annotate lisp/simple.el @ 284:558f606b08ae r21-0b40

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date Mon, 13 Aug 2007 10:34:13 +0200
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1 ;;; simple.el --- basic editing commands for XEmacs
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2
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3 ;; Copyright (C) 1985-7, 1993-5, 1997 Free Software Foundation, Inc.
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4 ;; Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
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5
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6 ;; Maintainer: XEmacs Development Team
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7 ;; Keywords: lisp, extensions, internal, dumped
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8
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9 ;; This file is part of XEmacs.
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10
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11 ;; XEmacs is free software; you can redistribute it and/or modify it
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12 ;; under the terms of the GNU General Public License as published by
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13 ;; the Free Software Foundation; either version 2, or (at your option)
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14 ;; any later version.
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15
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16 ;; XEmacs is distributed in the hope that it will be useful, but
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17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 ;; General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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23 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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24 ;; 02111-1307, USA.
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25
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26 ;;; Synched up with: FSF 19.34 [But not very closely].
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27
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28 ;;; Commentary:
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29
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30 ;; This file is dumped with XEmacs.
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31
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32 ;; A grab-bag of basic XEmacs commands not specifically related to some
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33 ;; major mode or to file-handling.
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34
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35 ;; Changes for zmacs-style active-regions:
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36 ;;
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37 ;; beginning-of-buffer, end-of-buffer, count-lines-region,
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38 ;; count-lines-buffer, what-line, what-cursor-position, set-goal-column,
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39 ;; set-fill-column, prefix-arg-internal, and line-move (which is used by
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40 ;; next-line and previous-line) set zmacs-region-stays to t, so that they
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41 ;; don't affect the current region-hilighting state.
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42 ;;
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43 ;; mark-whole-buffer, mark-word, exchange-point-and-mark, and
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44 ;; set-mark-command (without an argument) call zmacs-activate-region.
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45 ;;
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46 ;; mark takes an optional arg like the new Fmark_marker() does. When
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47 ;; the region is not active, mark returns nil unless the optional arg is true.
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48 ;;
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49 ;; push-mark, pop-mark, exchange-point-and-mark, and set-marker, and
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50 ;; set-mark-command use (mark t) so that they can access the mark whether
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51 ;; the region is active or not.
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52 ;;
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53 ;; shell-command, shell-command-on-region, yank, and yank-pop (which all
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54 ;; push a mark) have been altered to call exchange-point-and-mark with an
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55 ;; argument, meaning "don't activate the region". These commands only use
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56 ;; exchange-point-and-mark to position the newly-pushed mark correctly, so
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57 ;; this isn't a user-visible change. These functions have also been altered
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58 ;; to use (mark t) for the same reason.
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59
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60 ;; 97/3/14 Jareth Hein (jhod@po.iijnet.or.jp) added kinsoku processing (support
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61 ;; for filling of Asian text) into the fill code. This was ripped bleeding from
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62 ;; Mule-2.3, and could probably use some feature additions (like additional wrap
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63 ;; styles, etc)
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64
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65 ;; 97/06/11 Steve Baur (steve@altair.xemacs.org) Convert use of
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66 ;; (preceding|following)-char to char-(after|before).
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67
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68 ;;; Code:
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69
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70 (defgroup editing-basics nil
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71 "Most basic editing variables."
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72 :group 'editing)
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73
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74 (defgroup killing nil
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75 "Killing and yanking commands."
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76 :group 'editing)
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77
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78 (defgroup fill-comments nil
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79 "Indenting and filling of comments."
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80 :prefix "comment-"
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81 :group 'fill)
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82
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83 (defgroup paren-matching nil
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84 "Highlight (un)matching of parens and expressions."
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85 :prefix "paren-"
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86 :group 'matching)
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87
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88 (defgroup log-message nil
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89 "Messages logging and display customizations."
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90 :group 'minibuffer)
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91
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92 (defgroup warnings nil
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93 "Warnings customizations."
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94 :group 'minibuffer)
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95
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96
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97 (defun newline (&optional arg)
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98 "Insert a newline, and move to left margin of the new line if it's blank.
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99 The newline is marked with the text-property `hard'.
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100 With arg, insert that many newlines.
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101 In Auto Fill mode, if no numeric arg, break the preceding line if it's long."
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102 (interactive "*P")
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103 (barf-if-buffer-read-only nil (point))
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104 ;; Inserting a newline at the end of a line produces better redisplay in
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105 ;; try_window_id than inserting at the beginning of a line, and the textual
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106 ;; result is the same. So, if we're at beginning of line, pretend to be at
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107 ;; the end of the previous line.
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108 ;; #### Does this have any relevance in XEmacs?
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109 (let ((flag (and (not (bobp))
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110 (bolp)
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111 ;; Make sure the newline before point isn't intangible.
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112 (not (get-char-property (1- (point)) 'intangible))
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113 ;; Make sure the newline before point isn't read-only.
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114 (not (get-char-property (1- (point)) 'read-only))
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115 ;; Make sure the newline before point isn't invisible.
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116 (not (get-char-property (1- (point)) 'invisible))
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117 ;; This should probably also test for the previous char
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118 ;; being the *last* character too.
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119 (not (get-char-property (1- (point)) 'end-open))
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120 ;; Make sure the newline before point has the same
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121 ;; properties as the char before it (if any).
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122 (< (or (previous-extent-change (point)) -2)
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123 (- (point) 2))))
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124 (was-page-start (and (bolp)
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125 (looking-at page-delimiter)))
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126 (beforepos (point)))
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127 (if flag (backward-char 1))
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128 ;; Call self-insert so that auto-fill, abbrev expansion etc. happens.
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129 ;; Set last-command-char to tell self-insert what to insert.
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130 (let ((last-command-char ?\n)
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131 ;; Don't auto-fill if we have a numeric argument.
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132 ;; Also not if flag is true (it would fill wrong line);
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133 ;; there is no need to since we're at BOL.
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134 (auto-fill-function (if (or arg flag) nil auto-fill-function)))
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135 (unwind-protect
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136 (self-insert-command (prefix-numeric-value arg))
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137 ;; If we get an error in self-insert-command, put point at right place.
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138 (if flag (forward-char 1))))
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139 ;; If we did *not* get an error, cancel that forward-char.
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140 (if flag (backward-char 1))
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141 ;; Mark the newline(s) `hard'.
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142 (if use-hard-newlines
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143 (let* ((from (- (point) (if arg (prefix-numeric-value arg) 1)))
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144 (sticky (get-text-property from 'end-open))) ; XEmacs
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145 (put-text-property from (point) 'hard 't)
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146 ;; If end-open is not "t", add 'hard to end-open list
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147 (if (and (listp sticky) (not (memq 'hard sticky)))
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148 (put-text-property from (point) 'end-open ; XEmacs
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149 (cons 'hard sticky)))))
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150 ;; If the newline leaves the previous line blank,
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151 ;; and we have a left margin, delete that from the blank line.
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152 (or flag
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153 (save-excursion
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154 (goto-char beforepos)
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155 (beginning-of-line)
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156 (and (looking-at "[ \t]$")
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157 (> (current-left-margin) 0)
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158 (delete-region (point) (progn (end-of-line) (point))))))
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159 (if flag (forward-char 1))
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160 ;; Indent the line after the newline, except in one case:
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161 ;; when we added the newline at the beginning of a line
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162 ;; which starts a page.
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163 (or was-page-start
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164 (move-to-left-margin nil t)))
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165 nil)
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166
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167 (defun set-hard-newline-properties (from to)
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168 (let ((sticky (get-text-property from 'rear-nonsticky)))
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169 (put-text-property from to 'hard 't)
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170 ;; If rear-nonsticky is not "t", add 'hard to rear-nonsticky list
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171 (if (and (listp sticky) (not (memq 'hard sticky)))
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172 (put-text-property from (point) 'rear-nonsticky
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173 (cons 'hard sticky)))))
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174
209
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175 (defun open-line (arg)
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176 "Insert a newline and leave point before it.
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177 If there is a fill prefix and/or a left-margin, insert them on the new line
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178 if the line would have been blank.
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179 With arg N, insert N newlines."
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180 (interactive "*p")
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181 (let* ((do-fill-prefix (and fill-prefix (bolp)))
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182 (do-left-margin (and (bolp) (> (current-left-margin) 0)))
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183 (loc (point)))
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184 (newline arg)
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185 (goto-char loc)
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186 (while (> arg 0)
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187 (cond ((bolp)
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188 (if do-left-margin (indent-to (current-left-margin)))
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189 (if do-fill-prefix (insert fill-prefix))))
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190 (forward-line 1)
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191 (setq arg (1- arg)))
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192 (goto-char loc)
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193 (end-of-line)))
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194
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195 (defun split-line ()
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196 "Split current line, moving portion beyond point vertically down."
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197 (interactive "*")
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198 (skip-chars-forward " \t")
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199 (let ((col (current-column))
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200 (pos (point)))
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201 (newline 1)
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202 (indent-to col 0)
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203 (goto-char pos)))
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204
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205 (defun quoted-insert (arg)
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206 "Read next input character and insert it.
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207 This is useful for inserting control characters.
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208 You may also type up to 3 octal digits, to insert a character with that code.
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209
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210 In overwrite mode, this function inserts the character anyway, and
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211 does not handle octal digits specially. This means that if you use
41ff10fd062f Import from CVS: tag r20-4b3
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212 overwrite as your normal editing mode, you can use this function to
41ff10fd062f Import from CVS: tag r20-4b3
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213 insert characters when necessary.
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214
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215 In binary overwrite mode, this function does overwrite, and octal
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216 digits are interpreted as a character code. This is supposed to make
41ff10fd062f Import from CVS: tag r20-4b3
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217 this function useful in editing binary files."
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218 (interactive "*p")
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219 (let ((char (if (or (not overwrite-mode)
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220 (eq overwrite-mode 'overwrite-mode-binary))
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221 (read-quoted-char)
284
558f606b08ae Import from CVS: tag r21-0b40
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diff changeset
222 ;; read-char obeys C-g, so we should protect. FSF
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223 ;; doesn't have the protection here, but it's a bug in
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224 ;; FSF.
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225 (let ((inhibit-quit t))
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226 (read-char)))))
209
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227 (if (> arg 0)
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228 (if (eq overwrite-mode 'overwrite-mode-binary)
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229 (delete-char arg)))
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230 (while (> arg 0)
41ff10fd062f Import from CVS: tag r20-4b3
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231 (insert char)
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232 (setq arg (1- arg)))))
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233
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234 (defun delete-indentation (&optional arg)
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235 "Join this line to previous and fix up whitespace at join.
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236 If there is a fill prefix, delete it from the beginning of this line.
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237 With argument, join this line to following line."
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238 (interactive "*P")
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239 (beginning-of-line)
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240 (if arg (forward-line 1))
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241 (if (eq (char-before (point)) ?\n)
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242 (progn
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243 (delete-region (point) (1- (point)))
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244 ;; If the second line started with the fill prefix,
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245 ;; delete the prefix.
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246 (if (and fill-prefix
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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247 (<= (+ (point) (length fill-prefix)) (point-max))
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248 (string= fill-prefix
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249 (buffer-substring (point)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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250 (+ (point) (length fill-prefix)))))
41ff10fd062f Import from CVS: tag r20-4b3
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251 (delete-region (point) (+ (point) (length fill-prefix))))
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252 (fixup-whitespace))))
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253
41ff10fd062f Import from CVS: tag r20-4b3
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254 (defun fixup-whitespace ()
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255 "Fixup white space between objects around point.
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256 Leave one space or none, according to the context."
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257 (interactive "*")
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258 (save-excursion
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259 (delete-horizontal-space)
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260 (if (or (looking-at "^\\|\\s)")
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261 (save-excursion (forward-char -1)
41ff10fd062f Import from CVS: tag r20-4b3
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262 (looking-at "$\\|\\s(\\|\\s'")))
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263 nil
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264 (insert ?\ ))))
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265
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266 (defun delete-horizontal-space ()
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267 "Delete all spaces and tabs around point."
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268 (interactive "*")
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269 (skip-chars-backward " \t")
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270 (delete-region (point) (progn (skip-chars-forward " \t") (point))))
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271
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272 (defun just-one-space ()
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273 "Delete all spaces and tabs around point, leaving one space."
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274 (interactive "*")
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275 (if abbrev-mode ; XEmacs
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276 (expand-abbrev))
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277 (skip-chars-backward " \t")
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278 (if (eq (char-after (point)) ? ) ; XEmacs
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279 (forward-char 1)
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280 (insert ? ))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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281 (delete-region (point) (progn (skip-chars-forward " \t") (point))))
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282
41ff10fd062f Import from CVS: tag r20-4b3
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283 (defun delete-blank-lines ()
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284 "On blank line, delete all surrounding blank lines, leaving just one.
41ff10fd062f Import from CVS: tag r20-4b3
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285 On isolated blank line, delete that one.
41ff10fd062f Import from CVS: tag r20-4b3
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286 On nonblank line, delete any immediately following blank lines."
41ff10fd062f Import from CVS: tag r20-4b3
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287 (interactive "*")
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288 (let (thisblank singleblank)
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289 (save-excursion
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290 (beginning-of-line)
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291 (setq thisblank (looking-at "[ \t]*$"))
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cvs
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292 ;; Set singleblank if there is just one blank line here.
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293 (setq singleblank
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294 (and thisblank
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295 (not (looking-at "[ \t]*\n[ \t]*$"))
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296 (or (bobp)
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297 (progn (forward-line -1)
41ff10fd062f Import from CVS: tag r20-4b3
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298 (not (looking-at "[ \t]*$")))))))
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299 ;; Delete preceding blank lines, and this one too if it's the only one.
41ff10fd062f Import from CVS: tag r20-4b3
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300 (if thisblank
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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301 (progn
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302 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
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303 (if singleblank (forward-line 1))
41ff10fd062f Import from CVS: tag r20-4b3
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304 (delete-region (point)
41ff10fd062f Import from CVS: tag r20-4b3
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diff changeset
305 (if (re-search-backward "[^ \t\n]" nil t)
41ff10fd062f Import from CVS: tag r20-4b3
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306 (progn (forward-line 1) (point))
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307 (point-min)))))
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308 ;; Delete following blank lines, unless the current line is blank
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309 ;; and there are no following blank lines.
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310 (if (not (and thisblank singleblank))
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311 (save-excursion
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312 (end-of-line)
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313 (forward-line 1)
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314 (delete-region (point)
41ff10fd062f Import from CVS: tag r20-4b3
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315 (if (re-search-forward "[^ \t\n]" nil t)
41ff10fd062f Import from CVS: tag r20-4b3
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316 (progn (beginning-of-line) (point))
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317 (point-max)))))
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318 ;; Handle the special case where point is followed by newline and eob.
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319 ;; Delete the line, leaving point at eob.
41ff10fd062f Import from CVS: tag r20-4b3
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320 (if (looking-at "^[ \t]*\n\\'")
41ff10fd062f Import from CVS: tag r20-4b3
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321 (delete-region (point) (point-max)))))
41ff10fd062f Import from CVS: tag r20-4b3
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322
41ff10fd062f Import from CVS: tag r20-4b3
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323 (defun back-to-indentation ()
41ff10fd062f Import from CVS: tag r20-4b3
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324 "Move point to the first non-whitespace character on this line."
41ff10fd062f Import from CVS: tag r20-4b3
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325 ;; XEmacs change
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326 (interactive "_")
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327 (beginning-of-line 1)
41ff10fd062f Import from CVS: tag r20-4b3
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328 (skip-chars-forward " \t"))
41ff10fd062f Import from CVS: tag r20-4b3
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329
41ff10fd062f Import from CVS: tag r20-4b3
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330 (defun newline-and-indent ()
41ff10fd062f Import from CVS: tag r20-4b3
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331 "Insert a newline, then indent according to major mode.
41ff10fd062f Import from CVS: tag r20-4b3
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332 Indentation is done using the value of `indent-line-function'.
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333 In programming language modes, this is the same as TAB.
41ff10fd062f Import from CVS: tag r20-4b3
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334 In some text modes, where TAB inserts a tab, this command indents to the
41ff10fd062f Import from CVS: tag r20-4b3
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335 column specified by the function `current-left-margin'."
41ff10fd062f Import from CVS: tag r20-4b3
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336 (interactive "*")
41ff10fd062f Import from CVS: tag r20-4b3
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337 (delete-region (point) (progn (skip-chars-backward " \t") (point)))
41ff10fd062f Import from CVS: tag r20-4b3
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338 (newline)
41ff10fd062f Import from CVS: tag r20-4b3
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339 (indent-according-to-mode))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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340
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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diff changeset
341 (defun reindent-then-newline-and-indent ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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342 "Reindent current line, insert newline, then indent the new line.
41ff10fd062f Import from CVS: tag r20-4b3
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diff changeset
343 Indentation of both lines is done according to the current major mode,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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diff changeset
344 which means calling the current value of `indent-line-function'.
41ff10fd062f Import from CVS: tag r20-4b3
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345 In programming language modes, this is the same as TAB.
41ff10fd062f Import from CVS: tag r20-4b3
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346 In some text modes, where TAB inserts a tab, this indents to the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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347 column specified by the function `current-left-margin'."
41ff10fd062f Import from CVS: tag r20-4b3
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348 (interactive "*")
41ff10fd062f Import from CVS: tag r20-4b3
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349 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
350 (delete-region (point) (progn (skip-chars-backward " \t") (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
351 (indent-according-to-mode))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
352 (newline)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
353 (indent-according-to-mode))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
354
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
355 ;; Internal subroutine of delete-char
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
356 (defun kill-forward-chars (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
357 (if (listp arg) (setq arg (car arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
358 (if (eq arg '-) (setq arg -1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
359 (kill-region (point) (+ (point) arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
360
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
361 ;; Internal subroutine of backward-delete-char
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
362 (defun kill-backward-chars (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
363 (if (listp arg) (setq arg (car arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
364 (if (eq arg '-) (setq arg -1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
365 (kill-region (point) (- (point) arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
366
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
367 (defun backward-delete-char-untabify (arg &optional killp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
368 "Delete characters backward, changing tabs into spaces.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
369 Delete ARG chars, and kill (save in kill ring) if KILLP is non-nil.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
370 Interactively, ARG is the prefix arg (default 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
371 and KILLP is t if a prefix arg was specified."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
372 (interactive "*p\nP")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
373 (let ((count arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
374 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
375 (while (and (> count 0) (not (bobp)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
376 (if (eq (char-before (point)) ?\t) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
377 (let ((col (current-column)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
378 (forward-char -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
379 (setq col (- col (current-column)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
380 (insert-char ?\ col)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
381 (delete-char 1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
382 (forward-char -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
383 (setq count (1- count)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
384 (delete-backward-char arg killp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
385 ;; XEmacs: In overwrite mode, back over columns while clearing them out,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
386 ;; unless at end of line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
387 (and overwrite-mode (not (eolp))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
388 (save-excursion (insert-char ?\ arg))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
389
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
390 (defcustom delete-key-deletes-forward nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
391 "*If non-nil, the DEL key will erase one character forwards.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
392 If nil, the DEL key will erase one character backwards."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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diff changeset
393 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
394 :group 'editing-basics)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
395
239
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
396 (defcustom backward-delete-function 'backward-delete-char
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
397 "*Function called to delete backwards on a delete keypress.
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
398 If `delete-key-deletes-forward' is nil, `backward-or-forward-delete-char'
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
399 calls this function to erase one character backwards. Default value
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
400 is 'backward-delete-char, with 'backward-delete-char-untabify being a
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
401 popular alternate setting."
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
402 :type 'function
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
403 :group 'editing-basics)
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
404
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
405 (eval-when-compile
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
406 (defmacro delete-forward-p ()
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
407 '(and delete-key-deletes-forward
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
408 (or (eq 'tty (device-type))
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
409 (x-keysym-on-keyboard-sans-modifiers-p 'backspace)))))
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
410
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
411 (defun backward-or-forward-delete-char (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
412 "Delete either one character backwards or one character forwards.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
413 Controlled by the state of `delete-key-deletes-forward' and whether the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
414 BackSpace keysym even exists on your keyboard. If you don't have a
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
415 BackSpace keysym, the delete key should always delete one character
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
416 backwards."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
417 (interactive "*p")
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
418 (if (delete-forward-p)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
419 (delete-char arg)
239
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
420 (funcall backward-delete-function arg)))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
421
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
422 (defun backward-or-forward-kill-word (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
423 "Delete either one word backwards or one word forwards.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
424 Controlled by the state of `delete-key-deletes-forward' and whether the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
425 BackSpace keysym even exists on your keyboard. If you don't have a
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
426 BackSpace keysym, the delete key should always delete one character
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
427 backwards."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
428 (interactive "*p")
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
429 (if (delete-forward-p)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
430 (kill-word arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
431 (backward-kill-word arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
432
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
433 (defun backward-or-forward-kill-sentence (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
434 "Delete either one sentence backwards or one sentence forwards.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
435 Controlled by the state of `delete-key-deletes-forward' and whether the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
436 BackSpace keysym even exists on your keyboard. If you don't have a
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
437 BackSpace keysym, the delete key should always delete one character
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
438 backwards."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
439 (interactive "*P")
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
440 (if (delete-forward-p)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
441 (kill-sentence arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
442 (backward-kill-sentence (prefix-numeric-value arg))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
443
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
444 (defun backward-or-forward-kill-sexp (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
445 "Delete either one sexpr backwards or one sexpr forwards.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
446 Controlled by the state of `delete-key-deletes-forward' and whether the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
447 BackSpace keysym even exists on your keyboard. If you don't have a
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
448 BackSpace keysym, the delete key should always delete one character
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
449 backwards."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
450 (interactive "*p")
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
451 (if (delete-forward-p)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
452 (kill-sexp arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
453 (backward-kill-sexp arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
454
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
455 (defun zap-to-char (arg char)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
456 "Kill up to and including ARG'th occurrence of CHAR.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
457 Goes backward if ARG is negative; error if CHAR not found."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
458 (interactive "*p\ncZap to char: ")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
459 (kill-region (point) (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
460 (search-forward (char-to-string char) nil nil arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
461 ; (goto-char (if (> arg 0) (1- (point)) (1+ (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
462 (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
463
284
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
464 (defun zap-up-to-char (arg char)
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
465 "Kill up to ARG'th occurrence of CHAR.
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
466 Goes backward if ARG is negative; error if CHAR not found."
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
467 (interactive "*p\ncZap up to char: ")
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
468 (kill-region (point) (progn
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
469 (search-forward (char-to-string char) nil nil arg)
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
470 (goto-char (if (> arg 0) (1- (point)) (1+ (point))))
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
471 (point))))
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
472
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
473 (defun beginning-of-buffer (&optional arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
474 "Move point to the beginning of the buffer; leave mark at previous position.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
475 With arg N, put point N/10 of the way from the beginning.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
476
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
477 If the buffer is narrowed, this command uses the beginning and size
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
478 of the accessible part of the buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
479
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
480 Don't use this command in Lisp programs!
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
481 \(goto-char (point-min)) is faster and avoids clobbering the mark."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
482 ;; XEmacs change
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
483 (interactive "_P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
484 (push-mark)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
485 (let ((size (- (point-max) (point-min))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
486 (goto-char (if arg
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
487 (+ (point-min)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
488 (if (> size 10000)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
489 ;; Avoid overflow for large buffer sizes!
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
490 (* (prefix-numeric-value arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
491 (/ size 10))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
492 (/ (+ 10 (* size (prefix-numeric-value arg))) 10)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
493 (point-min))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
494 (if arg (forward-line 1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
495
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
496 (defun end-of-buffer (&optional arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
497 "Move point to the end of the buffer; leave mark at previous position.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
498 With arg N, put point N/10 of the way from the end.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
499
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
500 If the buffer is narrowed, this command uses the beginning and size
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
501 of the accessible part of the buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
502
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
503 Don't use this command in Lisp programs!
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
504 \(goto-char (point-max)) is faster and avoids clobbering the mark."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
505 ;; XEmacs change
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
506 (interactive "_P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
507 (push-mark)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
508 ;; XEmacs changes here.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
509 (let ((scroll-to-end (not (pos-visible-in-window-p (point-max))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
510 (size (- (point-max) (point-min))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
511 (goto-char (if arg
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
512 (- (point-max)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
513 (if (> size 10000)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
514 ;; Avoid overflow for large buffer sizes!
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
515 (* (prefix-numeric-value arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
516 (/ size 10))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
517 (/ (* size (prefix-numeric-value arg)) 10)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
518 (point-max)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
519 (cond (arg
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
520 ;; If we went to a place in the middle of the buffer,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
521 ;; adjust it to the beginning of a line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
522 (forward-line 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
523 ;; XEmacs change
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
524 (scroll-to-end
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
525 ;; If the end of the buffer is not already on the screen,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
526 ;; then scroll specially to put it near, but not at, the bottom.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
527 (recenter -3)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
528
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
529 ;; XEmacs (not in FSF)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
530 (defun mark-beginning-of-buffer (&optional arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
531 "Push a mark at the beginning of the buffer; leave point where it is.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
532 With arg N, push mark N/10 of the way from the true beginning."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
533 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
534 (push-mark (if arg
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
535 (if (> (buffer-size) 10000)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
536 ;; Avoid overflow for large buffer sizes!
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
537 (* (prefix-numeric-value arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
538 (/ (buffer-size) 10))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
539 (/ (+ 10 (* (buffer-size) (prefix-numeric-value arg))) 10))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
540 (point-min))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
541 nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
542 t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
543 (define-function 'mark-bob 'mark-beginning-of-buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
544
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
545 ;; XEmacs (not in FSF)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
546 (defun mark-end-of-buffer (&optional arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
547 "Push a mark at the end of the buffer; leave point where it is.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
548 With arg N, push mark N/10 of the way from the true end."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
549 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
550 (push-mark (if arg
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
551 (- (1+ (buffer-size))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
552 (if (> (buffer-size) 10000)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
553 ;; Avoid overflow for large buffer sizes!
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
554 (* (prefix-numeric-value arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
555 (/ (buffer-size) 10))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
556 (/ (* (buffer-size) (prefix-numeric-value arg)) 10)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
557 (point-max))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
558 nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
559 t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
560 (define-function 'mark-eob 'mark-end-of-buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
561
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
562 (defun mark-whole-buffer ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
563 "Put point at beginning and mark at end of buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
564 You probably should not use this function in Lisp programs;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
565 it is usually a mistake for a Lisp function to use any subroutine
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
566 that uses or sets the mark."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
567 (interactive)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
568 (push-mark (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
569 (push-mark (point-max) nil t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
570 (goto-char (point-min)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
571
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
572 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
573 (defun eval-current-buffer (&optional printflag)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
574 "Evaluate the current buffer as Lisp code.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
575 Programs can pass argument PRINTFLAG which controls printing of output:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
576 nil means discard it; anything else is stream for print."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
577 (interactive)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
578 (eval-buffer (current-buffer) printflag))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
579
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
580 ;; XEmacs
284
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
581 (defun count-words-buffer (&optional buffer)
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
582 "Print the number of words in BUFFER.
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
583 If called noninteractively, the value is returned rather than printed.
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
584 BUFFER defaults to the current buffer."
284
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
585 (interactive)
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
586 (let ((words (count-words-region (point-min) (point-max) buffer)))
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
587 (when (interactive-p)
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
588 (message "Buffer has %d words" words))
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
589 words))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
590
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
591 ;; XEmacs
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
592 (defun count-words-region (start end &optional buffer)
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
593 "Print the number of words in region between START and END in BUFFER.
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
594 If called noninteractively, the value is returned rather than printed.
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
595 BUFFER defaults to the current buffer."
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
596 (interactive "_r")
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
597 (save-excursion
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
598 (set-buffer (or buffer (current-buffer)))
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
599 (let ((words 0))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
600 (goto-char start)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
601 (while (< (point) end)
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
602 (when (forward-word 1)
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
603 (incf words)))
282
c42ec1d1cded Import from CVS: tag r21-0b39
cvs
parents: 280
diff changeset
604 (when (interactive-p)
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
605 (message "Region has %d words" words))
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
606 words)))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
607
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
608 (defun count-lines-region (start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
609 "Print number of lines and characters in the region."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
610 ;; XEmacs change
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
611 (interactive "_r")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
612 (message "Region has %d lines, %d characters"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
613 (count-lines start end) (- end start)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
614
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
615 ;; XEmacs
284
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
616 (defun count-lines-buffer (&optional buffer)
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
617 "Print number of lines and characters in BUFFER."
284
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
618 (interactive)
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
619 (with-current-buffer (or buffer (current-buffer))
253
157b30c96d03 Import from CVS: tag r20-5b25
cvs
parents: 243
diff changeset
620 (let ((cnt (count-lines (point-min) (point-max))))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
621 (message "Buffer has %d lines, %d characters"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
622 cnt (- (point-max) (point-min)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
623 cnt)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
624
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
625 ;;; Modified by Bob Weiner, 8/24/95, to print narrowed line number also.
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
626 ;;; Expanded by Bob Weiner, Altrasoft, on 02/12/1997
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
627 (defun what-line ()
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
628 "Print the following variants of the line number of point:
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
629 Region line - displayed line within the active region
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
630 Collapsed line - includes only selectively displayed lines;
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
631 Buffer line - physical line in the buffer;
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
632 Narrowed line - line number from the start of the buffer narrowing."
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
633 ;; XEmacs change
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
634 (interactive "_")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
635 (let ((opoint (point)) start)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
636 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
637 (save-restriction
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
638 (if (region-active-p)
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
639 (goto-char (region-beginning))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
640 (goto-char (point-min)))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
641 (widen)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
642 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
643 (setq start (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
644 (goto-char opoint)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
645 (beginning-of-line)
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
646 (let* ((buffer-line (1+ (count-lines 1 (point))))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
647 (narrowed-p (or (/= start 1)
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
648 (/= (point-max) (1+ (buffer-size)))))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
649 (narrowed-line (if narrowed-p (1+ (count-lines start (point)))))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
650 (selective-line (if selective-display
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
651 (1+ (count-lines start (point) t))))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
652 (region-line (if (region-active-p)
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
653 (1+ (count-lines start (point) selective-display)))))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
654 (cond (region-line
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
655 (message "Region line %d; Buffer line %d"
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
656 region-line buffer-line))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
657 ((and narrowed-p selective-line (/= selective-line narrowed-line))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
658 ;; buffer narrowed and some lines selectively displayed
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
659 (message "Collapsed line %d; Buffer line %d; Narrowed line %d"
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
660 selective-line buffer-line narrowed-line))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
661 (narrowed-p
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
662 ;; buffer narrowed
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
663 (message "Buffer line %d; Narrowed line %d"
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
664 buffer-line narrowed-line))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
665 ((and selective-line (/= selective-line buffer-line))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
666 ;; some lines selectively displayed
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
667 (message "Collapsed line %d; Buffer line %d"
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
668 selective-line buffer-line))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
669 (t
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
670 ;; give a basic line count
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
671 (message "Line %d" buffer-line)))))))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
672 (setq zmacs-region-stays t))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
673
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
674 ;;; Bob Weiner, Altrasoft, 02/12/1998
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
675 ;;; Added the 3rd arg in `count-lines' to conditionalize the counting of
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
676 ;;; collapsed lines.
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
677 (defun count-lines (start end &optional ignore-invisible-lines-flag)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
678 "Return number of lines between START and END.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
679 This is usually the number of newlines between them,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
680 but can be one more if START is not equal to END
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
681 and the greater of them is not at the start of a line.
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
682
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
683 With optional IGNORE-INVISIBLE-LINES-FLAG non-nil, lines collapsed with
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
684 selective-display are excluded from the line count."
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
685 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
686 (save-restriction
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
687 (narrow-to-region start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
688 (goto-char (point-min))
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
689 (if (and (not ignore-invisible-lines-flag) (eq selective-display t))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
690 (save-match-data
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
691 (let ((done 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
692 (while (re-search-forward "[\n\C-m]" nil t 40)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
693 (setq done (+ 40 done)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
694 (while (re-search-forward "[\n\C-m]" nil t 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
695 (setq done (+ 1 done)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
696 (goto-char (point-max))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
697 (if (and (/= start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
698 (not (bolp)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
699 (1+ done)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
700 done)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
701 (- (buffer-size) (forward-line (buffer-size)))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
702
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
703 (defun what-cursor-position ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
704 "Print info on cursor position (on screen and within buffer)."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
705 ;; XEmacs change
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
706 (interactive "_")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
707 (let* ((char (char-after (point))) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
708 (beg (point-min))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
709 (end (point-max))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
710 (pos (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
711 (total (buffer-size))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
712 (percent (if (> total 50000)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
713 ;; Avoid overflow from multiplying by 100!
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
714 (/ (+ (/ total 200) (1- pos)) (max (/ total 100) 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
715 (/ (+ (/ total 2) (* 100 (1- pos))) (max total 1))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
716 (hscroll (if (= (window-hscroll) 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
717 ""
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
718 (format " Hscroll=%d" (window-hscroll))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
719 (col (current-column)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
720 (if (= pos end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
721 (if (or (/= beg 1) (/= end (1+ total)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
722 (message "point=%d of %d(%d%%) <%d - %d> column %d %s"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
723 pos total percent beg end col hscroll)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
724 (message "point=%d of %d(%d%%) column %d %s"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
725 pos total percent col hscroll))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
726 ;; XEmacs: don't use single-key-description
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
727 (if (or (/= beg 1) (/= end (1+ total)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
728 (message "Char: %s (0%o, %d, 0x%x) point=%d of %d(%d%%) <%d - %d> column %d %s"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
729 (text-char-description char) char char char pos total
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
730 percent beg end col hscroll)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
731 (message "Char: %s (0%o, %d, 0x%x) point=%d of %d(%d%%) column %d %s"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
732 (text-char-description char) char char char pos total
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
733 percent col hscroll)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
734
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
735 (defun fundamental-mode ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
736 "Major mode not specialized for anything in particular.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
737 Other major modes are defined by comparison with this one."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
738 (interactive)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
739 (kill-all-local-variables))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
740
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
741 ;; XEmacs the following are declared elsewhere
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
742 ;(defvar read-expression-map (cons 'keymap minibuffer-local-map)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
743 ; "Minibuffer keymap used for reading Lisp expressions.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
744 ;(define-key read-expression-map "\M-\t" 'lisp-complete-symbol)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
745
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
746 ;(put 'eval-expression 'disabled t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
747
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
748 ;(defvar read-expression-history nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
749
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
750 ;; We define this, rather than making `eval' interactive,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
751 ;; for the sake of completion of names like eval-region, eval-current-buffer.
284
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
752 (defun eval-expression (expression &optional eval-expression-insert-value)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
753 "Evaluate EXPRESSION and print value in minibuffer.
284
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
754 Value is also consed on to front of the variable `values'.
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
755 With prefix argument, insert the result to the current buffer."
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
756 ;(interactive "xEval: ")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
757 (interactive
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
758 (list (read-from-minibuffer "Eval: "
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
759 nil read-expression-map t
284
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
760 'read-expression-history)
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
761 current-prefix-arg))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
762 (setq values (cons (eval expression) values))
284
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
763 (prin1 (car values)
558f606b08ae Import from CVS: tag r21-0b40
cvs
parents: 282
diff changeset
764 (if eval-expression-insert-value (current-buffer) t)))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
765
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
766 ;; XEmacs -- extra parameter (variant, but equivalent logic)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
767 (defun edit-and-eval-command (prompt command &optional history)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
768 "Prompting with PROMPT, let user edit COMMAND and eval result.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
769 COMMAND is a Lisp expression. Let user edit that expression in
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
770 the minibuffer, then read and evaluate the result."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
771 (let ((command (read-expression prompt
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
772 ;; first try to format the thing readably;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
773 ;; and if that fails, print it normally.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
774 (condition-case ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
775 (let ((print-readably t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
776 (prin1-to-string command))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
777 (error (prin1-to-string command)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
778 (or history '(command-history . 1)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
779 (or history (setq history 'command-history))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
780 (if (consp history)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
781 (setq history (car history)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
782 (if (eq history t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
783 nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
784 ;; If command was added to the history as a string,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
785 ;; get rid of that. We want only evallable expressions there.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
786 (if (stringp (car (symbol-value history)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
787 (set history (cdr (symbol-value history))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
788
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
789 ;; If command to be redone does not match front of history,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
790 ;; add it to the history.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
791 (or (equal command (car (symbol-value history)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
792 (set history (cons command (symbol-value history)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
793 (eval command)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
794
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
795 (defun repeat-complex-command (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
796 "Edit and re-evaluate last complex command, or ARGth from last.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
797 A complex command is one which used the minibuffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
798 The command is placed in the minibuffer as a Lisp form for editing.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
799 The result is executed, repeating the command as changed.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
800 If the command has been changed or is not the most recent previous command
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
801 it is added to the front of the command history.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
802 You can use the minibuffer history commands \\<minibuffer-local-map>\\[next-history-element] and \\[previous-history-element]
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
803 to get different commands to edit and resubmit."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
804 (interactive "p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
805 ;; XEmacs: It looks like our version is better -sb
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
806 (let ((print-level nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
807 (edit-and-eval-command "Redo: "
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
808 (or (nth (1- arg) command-history)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
809 (error ""))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
810 (cons 'command-history arg))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
811
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
812 ;; XEmacs: Functions moved to minibuf.el
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
813 ;; previous-matching-history-element
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
814 ;; next-matching-history-element
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
815 ;; next-history-element
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
816 ;; previous-history-element
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
817 ;; next-complete-history-element
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
818 ;; previous-complete-history-element
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
819
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
820 (defun goto-line (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
821 "Goto line ARG, counting from line 1 at beginning of buffer."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
822 (interactive "NGoto line: ")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
823 (setq arg (prefix-numeric-value arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
824 (save-restriction
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
825 (widen)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
826 (goto-char 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
827 (if (eq selective-display t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
828 (re-search-forward "[\n\C-m]" nil 'end (1- arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
829 (forward-line (1- arg)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
830
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
831 ;Put this on C-x u, so we can force that rather than C-_ into startup msg
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
832 (define-function 'advertised-undo 'undo)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
833
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
834 (defun undo (&optional arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
835 "Undo some previous changes.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
836 Repeat this command to undo more changes.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
837 A numeric argument serves as a repeat count."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
838 (interactive "*p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
839 ;; If we don't get all the way through, make last-command indicate that
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
840 ;; for the following command.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
841 (setq this-command t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
842 (let ((modified (buffer-modified-p))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
843 (recent-save (recent-auto-save-p)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
844 (or (eq (selected-window) (minibuffer-window))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
845 (display-message 'command "Undo!"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
846 (or (and (eq last-command 'undo)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
847 (eq (current-buffer) last-undo-buffer)) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
848 (progn (undo-start)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
849 (undo-more 1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
850 (undo-more (or arg 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
851 ;; Don't specify a position in the undo record for the undo command.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
852 ;; Instead, undoing this should move point to where the change is.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
853 (let ((tail buffer-undo-list)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
854 done)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
855 (while (and tail (not done) (not (null (car tail))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
856 (if (integerp (car tail))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
857 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
858 (setq done t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
859 (setq buffer-undo-list (delq (car tail) buffer-undo-list))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
860 (setq tail (cdr tail))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
861 (and modified (not (buffer-modified-p))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
862 (delete-auto-save-file-if-necessary recent-save)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
863 ;; If we do get all the way through, make this-command indicate that.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
864 (setq this-command 'undo))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
865
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
866 (defvar pending-undo-list nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
867 "Within a run of consecutive undo commands, list remaining to be undone.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
868
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
869 (defvar last-undo-buffer nil) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
870
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
871 (defun undo-start ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
872 "Set `pending-undo-list' to the front of the undo list.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
873 The next call to `undo-more' will undo the most recently made change."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
874 (if (eq buffer-undo-list t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
875 (error "No undo information in this buffer"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
876 (setq pending-undo-list buffer-undo-list))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
877
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
878 (defun undo-more (count)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
879 "Undo back N undo-boundaries beyond what was already undone recently.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
880 Call `undo-start' to get ready to undo recent changes,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
881 then call `undo-more' one or more times to undo them."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
882 (or pending-undo-list
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
883 (error "No further undo information"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
884 (setq pending-undo-list (primitive-undo count pending-undo-list)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
885 last-undo-buffer (current-buffer))) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
886
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
887 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
888 (defun call-with-transparent-undo (fn &rest args)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
889 "Apply FN to ARGS, and then undo all changes made by FN to the current
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
890 buffer. The undo records are processed even if FN returns non-locally.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
891 There is no trace of the changes made by FN in the buffer's undo history.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
892
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
893 You can use this in a write-file-hooks function with continue-save-buffer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
894 to make the contents of a disk file differ from its in-memory buffer."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
895 (let ((buffer-undo-list nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
896 ;; Kludge to prevent undo list truncation:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
897 (undo-high-threshold -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
898 (undo-threshold -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
899 (obuffer (current-buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
900 (unwind-protect
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
901 (apply fn args)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
902 ;; Go to the buffer we will restore and make it writable:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
903 (set-buffer obuffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
904 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
905 (let ((buffer-read-only nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
906 (save-restriction
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
907 (widen)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
908 ;; Perform all undos, with further undo logging disabled:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
909 (let ((tail buffer-undo-list))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
910 (setq buffer-undo-list t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
911 (while tail
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
912 (setq tail (primitive-undo (length tail) tail))))))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
913
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
914 ;; XEmacs: The following are in other files
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
915 ;; shell-command-history
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
916 ;; shell-command-switch
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
917 ;; shell-command
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
918 ;; shell-command-sentinel
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
919
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
920
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
921 (defconst universal-argument-map
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
922 (let ((map (make-sparse-keymap)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
923 (set-keymap-default-binding map 'universal-argument-other-key)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
924 ;FSFmacs (define-key map [switch-frame] nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
925 (define-key map [(t)] 'universal-argument-other-key)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
926 (define-key map [(meta t)] 'universal-argument-other-key)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
927 (define-key map [(control u)] 'universal-argument-more)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
928 (define-key map [?-] 'universal-argument-minus)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
929 (define-key map [?0] 'digit-argument)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
930 (define-key map [?1] 'digit-argument)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
931 (define-key map [?2] 'digit-argument)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
932 (define-key map [?3] 'digit-argument)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
933 (define-key map [?4] 'digit-argument)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
934 (define-key map [?5] 'digit-argument)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
935 (define-key map [?6] 'digit-argument)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
936 (define-key map [?7] 'digit-argument)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
937 (define-key map [?8] 'digit-argument)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
938 (define-key map [?9] 'digit-argument)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
939 map)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
940 "Keymap used while processing \\[universal-argument].")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
941
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
942 (defvar universal-argument-num-events nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
943 "Number of argument-specifying events read by `universal-argument'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
944 `universal-argument-other-key' uses this to discard those events
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
945 from (this-command-keys), and reread only the final command.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
946
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
947 (defun universal-argument ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
948 "Begin a numeric argument for the following command.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
949 Digits or minus sign following \\[universal-argument] make up the numeric argument.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
950 \\[universal-argument] following the digits or minus sign ends the argument.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
951 \\[universal-argument] without digits or minus sign provides 4 as argument.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
952 Repeating \\[universal-argument] without digits or minus sign
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
953 multiplies the argument by 4 each time."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
954 (interactive)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
955 (setq prefix-arg (list 4))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
956 (setq zmacs-region-stays t) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
957 (setq universal-argument-num-events (length (this-command-keys)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
958 (setq overriding-terminal-local-map universal-argument-map))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
959
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
960 ;; A subsequent C-u means to multiply the factor by 4 if we've typed
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
961 ;; nothing but C-u's; otherwise it means to terminate the prefix arg.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
962 (defun universal-argument-more (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
963 (interactive "_P") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
964 (if (consp arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
965 (setq prefix-arg (list (* 4 (car arg))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
966 (setq prefix-arg arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
967 (setq overriding-terminal-local-map nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
968 (setq universal-argument-num-events (length (this-command-keys))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
969
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
970 (defun negative-argument (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
971 "Begin a negative numeric argument for the next command.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
972 \\[universal-argument] following digits or minus sign ends the argument."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
973 (interactive "_P") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
974 (cond ((integerp arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
975 (setq prefix-arg (- arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
976 ((eq arg '-)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
977 (setq prefix-arg nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
978 (t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
979 (setq prefix-arg '-)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
980 (setq universal-argument-num-events (length (this-command-keys)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
981 (setq overriding-terminal-local-map universal-argument-map))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
982
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
983 ;; XEmacs: This function not synched with FSF
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
984 (defun digit-argument (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
985 "Part of the numeric argument for the next command.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
986 \\[universal-argument] following digits or minus sign ends the argument."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
987 (interactive "_P") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
988 (let* ((event last-command-event)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
989 (key (and (key-press-event-p event)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
990 (event-key event)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
991 (digit (and key (characterp key) (>= key ?0) (<= key ?9)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
992 (- key ?0))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
993 (if (null digit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
994 (universal-argument-other-key arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
995 (cond ((integerp arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
996 (setq prefix-arg (+ (* arg 10)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
997 (if (< arg 0) (- digit) digit))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
998 ((eq arg '-)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
999 ;; Treat -0 as just -, so that -01 will work.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1000 (setq prefix-arg (if (zerop digit) '- (- digit))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1001 (t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1002 (setq prefix-arg digit)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1003 (setq universal-argument-num-events (length (this-command-keys)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1004 (setq overriding-terminal-local-map universal-argument-map))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1005
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1006 ;; For backward compatibility, minus with no modifiers is an ordinary
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1007 ;; command if digits have already been entered.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1008 (defun universal-argument-minus (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1009 (interactive "_P") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1010 (if (integerp arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1011 (universal-argument-other-key arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1012 (negative-argument arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1013
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1014 ;; Anything else terminates the argument and is left in the queue to be
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1015 ;; executed as a command.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1016 (defun universal-argument-other-key (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1017 (interactive "_P") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1018 (setq prefix-arg arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1019 (let* ((key (this-command-keys))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1020 ;; FSF calls silly function `listify-key-sequence' here.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1021 (keylist (append key nil)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1022 (setq unread-command-events
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1023 (append (nthcdr universal-argument-num-events keylist)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1024 unread-command-events)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1025 (reset-this-command-lengths)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1026 (setq overriding-terminal-local-map nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1027
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1028
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1029 ;; XEmacs -- keep zmacs-region active.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1030 (defun forward-to-indentation (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1031 "Move forward ARG lines and position at first nonblank character."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1032 (interactive "_p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1033 (forward-line arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1034 (skip-chars-forward " \t"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1035
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1036 (defun backward-to-indentation (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1037 "Move backward ARG lines and position at first nonblank character."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1038 (interactive "_p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1039 (forward-line (- arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1040 (skip-chars-forward " \t"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1041
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1042 (defcustom kill-whole-line nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1043 "*If non-nil, `kill-line' with no arg at beg of line kills the whole line."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1044 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1045 :group 'killing)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1046
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1047 (defun kill-line (&optional arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1048 "Kill the rest of the current line; if no nonblanks there, kill thru newline.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1049 With prefix argument, kill that many lines from point.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1050 Negative arguments kill lines backward.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1051
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1052 When calling from a program, nil means \"no arg\",
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1053 a number counts as a prefix arg.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1054
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1055 If `kill-whole-line' is non-nil, then kill the whole line
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1056 when given no argument at the beginning of a line."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1057 (interactive "*P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1058 (kill-region (point)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1059 ;; Don't shift point before doing the delete; that way,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1060 ;; undo will record the right position of point.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1061 ;; FSF
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1062 ; ;; It is better to move point to the other end of the kill
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1063 ; ;; before killing. That way, in a read-only buffer, point
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1064 ; ;; moves across the text that is copied to the kill ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1065 ; ;; The choice has no effect on undo now that undo records
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1066 ; ;; the value of point from before the command was run.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1067 ; (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1068 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1069 (if arg
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1070 (forward-line (prefix-numeric-value arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1071 (if (eobp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1072 (signal 'end-of-buffer nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1073 (if (or (looking-at "[ \t]*$") (and kill-whole-line (bolp)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1074 (forward-line 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1075 (end-of-line)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1076 (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1077
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1078 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1079 (defun backward-kill-line nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1080 "Kill back to the beginning of the line."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1081 (interactive)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1082 (let ((point (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1083 (beginning-of-line nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1084 (kill-region (point) point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1085
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1086
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1087 ;;;; Window system cut and paste hooks.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1088 ;;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1089 ;;; I think that kill-hooks is a better name and more general mechanism
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1090 ;;; than interprogram-cut-function (from FSFmacs). I don't like the behavior
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1091 ;;; of interprogram-paste-function: ^Y should always come from the kill ring,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1092 ;;; not the X selection. But if that were provided, it should be called (and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1093 ;;; behave as) yank-hooks instead. -- jwz
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1094
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1095 ;; [... code snipped ...]
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1096
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1097 (defcustom kill-hooks nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1098 "*Functions run when something is added to the XEmacs kill ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1099 These functions are called with one argument, the string most recently
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
1100 cut or copied. You can use this to, for example, make the most recent
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1101 kill become the X Clipboard selection."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1102 :type 'hook
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1103 :group 'killing)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1104
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1105 ;;; `kill-hooks' seems not sufficient because
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1106 ;;; `interprogram-cut-function' requires more variable about to rotate
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1107 ;;; the cut buffers. I'm afraid to change interface of `kill-hooks',
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1108 ;;; so I add it. (1997-11-03 by MORIOKA Tomohiko)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1109
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1110 (defvar interprogram-cut-function nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1111 "Function to call to make a killed region available to other programs.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1112
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1113 Most window systems provide some sort of facility for cutting and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1114 pasting text between the windows of different programs.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1115 This variable holds a function that Emacs calls whenever text
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1116 is put in the kill ring, to make the new kill available to other
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
1117 programs.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1118
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1119 The function takes one or two arguments.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1120 The first argument, TEXT, is a string containing
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1121 the text which should be made available.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1122 The second, PUSH, if non-nil means this is a \"new\" kill;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1123 nil means appending to an \"old\" kill.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1124
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1125 (defvar interprogram-paste-function nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1126 "Function to call to get text cut from other programs.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1127
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1128 Most window systems provide some sort of facility for cutting and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1129 pasting text between the windows of different programs.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1130 This variable holds a function that Emacs calls to obtain
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1131 text that other programs have provided for pasting.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1132
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1133 The function should be called with no arguments. If the function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1134 returns nil, then no other program has provided such text, and the top
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1135 of the Emacs kill ring should be used. If the function returns a
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1136 string, that string should be put in the kill ring as the latest kill.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1137
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1138 Note that the function should return a string only if a program other
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1139 than Emacs has provided a string for pasting; if Emacs provided the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1140 most recent string, the function should return nil. If it is
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1141 difficult to tell whether Emacs or some other program provided the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1142 current string, it is probably good enough to return nil if the string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1143 is equal (according to `string=') to the last text Emacs provided.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1144
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1145
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1146 ;;;; The kill ring data structure.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1147
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1148 (defvar kill-ring nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1149 "List of killed text sequences.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1150 Since the kill ring is supposed to interact nicely with cut-and-paste
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1151 facilities offered by window systems, use of this variable should
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1152 interact nicely with `interprogram-cut-function' and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1153 `interprogram-paste-function'. The functions `kill-new',
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1154 `kill-append', and `current-kill' are supposed to implement this
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1155 interaction; you may want to use them instead of manipulating the kill
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1156 ring directly.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1157
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1158 (defcustom kill-ring-max 30
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1159 "*Maximum length of kill ring before oldest elements are thrown away."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1160 :type 'integer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1161 :group 'killing)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1162
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1163 (defvar kill-ring-yank-pointer nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1164 "The tail of the kill ring whose car is the last thing yanked.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1165
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1166 (defun kill-new (string &optional replace)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1167 "Make STRING the latest kill in the kill ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1168 Set the kill-ring-yank pointer to point to it.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1169 Run `kill-hooks'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1170 Optional second argument REPLACE non-nil means that STRING will replace
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1171 the front of the kill ring, rather than being added to the list."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1172 ; (and (fboundp 'menu-bar-update-yank-menu)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1173 ; (menu-bar-update-yank-menu string (and replace (car kill-ring))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1174 (if replace
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1175 (setcar kill-ring string)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1176 (setq kill-ring (cons string kill-ring))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1177 (if (> (length kill-ring) kill-ring-max)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1178 (setcdr (nthcdr (1- kill-ring-max) kill-ring) nil)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1179 (setq kill-ring-yank-pointer kill-ring)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1180 (if interprogram-cut-function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1181 (funcall interprogram-cut-function string (not replace)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1182 (run-hook-with-args 'kill-hooks string))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1183
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1184 (defun kill-append (string before-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1185 "Append STRING to the end of the latest kill in the kill ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1186 If BEFORE-P is non-nil, prepend STRING to the kill.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1187 Run `kill-hooks'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1188 (kill-new (if before-p
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1189 (concat string (car kill-ring))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1190 (concat (car kill-ring) string)) t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1191
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1192 (defun current-kill (n &optional do-not-move)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1193 "Rotate the yanking point by N places, and then return that kill.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1194 If N is zero, `interprogram-paste-function' is set, and calling it
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1195 returns a string, then that string is added to the front of the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1196 kill ring and returned as the latest kill.
272
c5d627a313b1 Import from CVS: tag r21-0b34
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diff changeset
1197 If optional arg DO-NOT-MOVE is non-nil, then don't actually move the
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
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diff changeset
1198 yanking point\; just return the Nth kill forward."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1199 (let ((interprogram-paste (and (= n 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1200 interprogram-paste-function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1201 (funcall interprogram-paste-function))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1202 (if interprogram-paste
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1203 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1204 ;; Disable the interprogram cut function when we add the new
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1205 ;; text to the kill ring, so Emacs doesn't try to own the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1206 ;; selection, with identical text.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1207 (let ((interprogram-cut-function nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1208 (kill-new interprogram-paste))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1209 interprogram-paste)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1210 (or kill-ring (error "Kill ring is empty"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1211 (let* ((tem (nthcdr (mod (- n (length kill-ring-yank-pointer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1212 (length kill-ring))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1213 kill-ring)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1214 (or do-not-move
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1215 (setq kill-ring-yank-pointer tem))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1216 (car tem)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1217
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1218
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1219
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1220 ;;;; Commands for manipulating the kill ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1221
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1222 ;; In FSF killing read-only text just pastes it into kill-ring. Which
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1223 ;; is a very bad idea -- see Jamie's comment below.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1224
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1225 ;(defvar kill-read-only-ok nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1226 ; "*Non-nil means don't signal an error for killing read-only text.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1227
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1228 (defun kill-region (beg end &optional verbose) ; verbose is XEmacs addition
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1229 "Kill between point and mark.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1230 The text is deleted but saved in the kill ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1231 The command \\[yank] can retrieve it from there.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1232 \(If you want to kill and then yank immediately, use \\[copy-region-as-kill].)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1233
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1234 This is the primitive for programs to kill text (as opposed to deleting it).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1235 Supply two arguments, character numbers indicating the stretch of text
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1236 to be killed.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1237 Any command that calls this function is a \"kill command\".
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1238 If the previous command was also a kill command,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1239 the text killed this time appends to the text killed last time
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1240 to make one entry in the kill ring."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1241 (interactive "*r\np")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1242 ; (interactive
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1243 ; (let ((region-hack (and zmacs-regions (eq last-command 'yank))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1244 ; ;; This lets "^Y^W" work. I think this is dumb, but zwei did it.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1245 ; (if region-hack (zmacs-activate-region))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1246 ; (prog1
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1247 ; (list (point) (mark) current-prefix-arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1248 ; (if region-hack (zmacs-deactivate-region)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1249 ;; beg and end can be markers but the rest of this function is
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1250 ;; written as if they are only integers
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1251 (if (markerp beg) (setq beg (marker-position beg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1252 (if (markerp end) (setq end (marker-position end)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1253 (or (and beg end) (if zmacs-regions ;; rewritten for I18N3 snarfing
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1254 (error "The region is not active now")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1255 (error "The mark is not set now")))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1256 (if verbose (if buffer-read-only
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
1257 (lmessage 'command "Copying %d characters"
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
1258 (- (max beg end) (min beg end)))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
1259 (lmessage 'command "Killing %d characters"
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
1260 (- (max beg end) (min beg end)))))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1261 (cond
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1262
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1263 ;; I don't like this large change in behavior -- jwz
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1264 ;; Read-Only text means it shouldn't be deleted, so I'm restoring
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1265 ;; this code, but only for text-properties and not full extents. -sb
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1266 ;; If the buffer is read-only, we should beep, in case the person
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1267 ;; just isn't aware of this. However, there's no harm in putting
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1268 ;; the region's text in the kill ring, anyway.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1269 ((or (and buffer-read-only (not inhibit-read-only))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1270 (text-property-not-all (min beg end) (max beg end) 'read-only nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1271 ;; This is redundant.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1272 ;; (if verbose (message "Copying %d characters"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1273 ;; (- (max beg end) (min beg end))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1274 (copy-region-as-kill beg end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1275 ;; ;; This should always barf, and give us the correct error.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1276 ;; (if kill-read-only-ok
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1277 ;; (message "Read only text copied to kill ring")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1278 (setq this-command 'kill-region)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1279 (barf-if-buffer-read-only)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1280 (signal 'buffer-read-only (list (current-buffer))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1281
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1282 ;; In certain cases, we can arrange for the undo list and the kill
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1283 ;; ring to share the same string object. This code does that.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1284 ((not (or (eq buffer-undo-list t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1285 (eq last-command 'kill-region)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1286 ;; Use = since positions may be numbers or markers.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1287 (= beg end)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1288 ;; Don't let the undo list be truncated before we can even access it.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1289 ;; FSF calls this `undo-strong-limit'
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1290 (let ((undo-high-threshold (+ (- end beg) 100))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1291 ;(old-list buffer-undo-list)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1292 tail)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1293 (delete-region beg end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1294 ;; Search back in buffer-undo-list for this string,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1295 ;; in case a change hook made property changes.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1296 (setq tail buffer-undo-list)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1297 (while (and tail
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1298 (not (stringp (car-safe (car-safe tail))))) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1299 (pop tail))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1300 ;; Take the same string recorded for undo
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1301 ;; and put it in the kill-ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1302 (and tail
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1303 (kill-new (car (car tail))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1304
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1305 (t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1306 ;; if undo is not kept, grab the string then delete it (which won't
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1307 ;; add another string to the undo list).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1308 (copy-region-as-kill beg end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1309 (delete-region beg end)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1310 (setq this-command 'kill-region))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1311
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1312 ;; copy-region-as-kill no longer sets this-command, because it's confusing
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1313 ;; to get two copies of the text when the user accidentally types M-w and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1314 ;; then corrects it with the intended C-w.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1315 (defun copy-region-as-kill (beg end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1316 "Save the region as if killed, but don't kill it.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1317 Run `kill-hooks'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1318 (interactive "r")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1319 (if (eq last-command 'kill-region)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1320 (kill-append (buffer-substring beg end) (< end beg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1321 (kill-new (buffer-substring beg end)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1322 nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1323
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1324 (defun kill-ring-save (beg end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1325 "Save the region as if killed, but don't kill it.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1326 This command is similar to `copy-region-as-kill', except that it gives
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1327 visual feedback indicating the extent of the region being copied."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1328 (interactive "r")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1329 (copy-region-as-kill beg end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1330 ;; copy before delay, for xclipboard's benefit
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1331 (if (interactive-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1332 (let ((other-end (if (= (point) beg) end beg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1333 (opoint (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1334 ;; Inhibit quitting so we can make a quit here
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1335 ;; look like a C-g typed as a command.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1336 (inhibit-quit t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1337 (if (pos-visible-in-window-p other-end (selected-window))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1338 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1339 ;; FSF (I'm not sure what this does -sb)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1340 ; ;; Swap point and mark.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1341 ; (set-marker (mark-marker) (point) (current-buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1342 (goto-char other-end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1343 (sit-for 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1344 ; ;; Swap back.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1345 ; (set-marker (mark-marker) other-end (current-buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1346 (goto-char opoint)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1347 ;; If user quit, deactivate the mark
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1348 ;; as C-g would as a command.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1349 (and quit-flag (mark)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1350 (zmacs-deactivate-region)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1351 ;; too noisy. -- jwz
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1352 ; (let* ((killed-text (current-kill 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1353 ; (message-len (min (length killed-text) 40)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1354 ; (if (= (point) beg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1355 ; ;; Don't say "killed"; that is misleading.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1356 ; (message "Saved text until \"%s\""
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1357 ; (substring killed-text (- message-len)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1358 ; (message "Saved text from \"%s\""
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1359 ; (substring killed-text 0 message-len))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1360 ))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1361
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1362 (defun append-next-kill ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1363 "Cause following command, if it kills, to append to previous kill."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1364 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1365 (interactive "_")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1366 (if (interactive-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1367 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1368 (setq this-command 'kill-region)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1369 (display-message 'command
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
1370 "If the next command is a kill, it will append"))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1371 (setq last-command 'kill-region)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1372
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1373 (defun yank-pop (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1374 "Replace just-yanked stretch of killed text with a different stretch.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1375 This command is allowed only immediately after a `yank' or a `yank-pop'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1376 At such a time, the region contains a stretch of reinserted
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1377 previously-killed text. `yank-pop' deletes that text and inserts in its
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1378 place a different stretch of killed text.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1379
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1380 With no argument, the previous kill is inserted.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1381 With argument N, insert the Nth previous kill.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1382 If N is negative, this is a more recent kill.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1383
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1384 The sequence of kills wraps around, so that after the oldest one
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1385 comes the newest one."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1386 (interactive "*p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1387 (if (not (eq last-command 'yank))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1388 (error "Previous command was not a yank"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1389 (setq this-command 'yank)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1390 (let ((inhibit-read-only t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1391 (before (< (point) (mark t))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1392 (delete-region (point) (mark t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1393 ;;(set-marker (mark-marker) (point) (current-buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1394 (set-mark (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1395 (insert (current-kill arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1396 (if before
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1397 ;; This is like exchange-point-and-mark, but doesn't activate the mark.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1398 ;; It is cleaner to avoid activation, even though the command
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1399 ;; loop would deactivate the mark because we inserted text.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1400 (goto-char (prog1 (mark t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1401 (set-marker (mark-marker t) (point) (current-buffer))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1402 nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1403
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1404
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1405 (defun yank (&optional arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1406 "Reinsert the last stretch of killed text.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1407 More precisely, reinsert the stretch of killed text most recently
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1408 killed OR yanked. Put point at end, and set mark at beginning.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1409 With just C-u as argument, same but put point at beginning (and mark at end).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1410 With argument N, reinsert the Nth most recently killed stretch of killed
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1411 text.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1412 See also the command \\[yank-pop]."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1413 (interactive "*P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1414 ;; If we don't get all the way through, make last-command indicate that
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1415 ;; for the following command.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1416 (setq this-command t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1417 (push-mark (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1418 (insert (current-kill (cond
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1419 ((listp arg) 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1420 ((eq arg '-) -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1421 (t (1- arg)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1422 (if (consp arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1423 ;; This is like exchange-point-and-mark, but doesn't activate the mark.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1424 ;; It is cleaner to avoid activation, even though the command
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1425 ;; loop would deactivate the mark because we inserted text.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1426 ;; (But it's an unnecessary kludge in XEmacs.)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1427 ;(goto-char (prog1 (mark t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1428 ;(set-marker (mark-marker) (point) (current-buffer)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1429 (exchange-point-and-mark t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1430 ;; If we do get all the way thru, make this-command indicate that.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1431 (setq this-command 'yank)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1432 nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1433
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1434 (defun rotate-yank-pointer (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1435 "Rotate the yanking point in the kill ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1436 With argument, rotate that many kills forward (or backward, if negative)."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1437 (interactive "p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1438 (current-kill arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1439
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1440
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1441 (defun insert-buffer (buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1442 "Insert after point the contents of BUFFER.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1443 Puts mark after the inserted text.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1444 BUFFER may be a buffer or a buffer name."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1445 (interactive
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1446 (list
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1447 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1448 (barf-if-buffer-read-only)
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
1449 (read-buffer "Insert buffer: "
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1450 ;; XEmacs: we have different args
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1451 (other-buffer (current-buffer) nil t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1452 t))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1453 (or (bufferp buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1454 (setq buffer (get-buffer buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1455 (let (start end newmark)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1456 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1457 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1458 (set-buffer buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1459 (setq start (point-min) end (point-max)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1460 (insert-buffer-substring buffer start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1461 (setq newmark (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1462 (push-mark newmark))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1463 nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1464
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1465 (defun append-to-buffer (buffer start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1466 "Append to specified buffer the text of the region.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1467 It is inserted into that buffer before its point.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1468
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1469 When calling from a program, give three arguments:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1470 BUFFER (or buffer name), START and END.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1471 START and END specify the portion of the current buffer to be copied."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1472 (interactive
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1473 ;; XEmacs: we have different args to other-buffer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1474 (list (read-buffer "Append to buffer: " (other-buffer (current-buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1475 nil t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1476 (region-beginning) (region-end)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1477 (let ((oldbuf (current-buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1478 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1479 (set-buffer (get-buffer-create buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1480 (insert-buffer-substring oldbuf start end))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1481
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1482 (defun prepend-to-buffer (buffer start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1483 "Prepend to specified buffer the text of the region.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1484 It is inserted into that buffer after its point.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1485
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1486 When calling from a program, give three arguments:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1487 BUFFER (or buffer name), START and END.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1488 START and END specify the portion of the current buffer to be copied."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1489 (interactive "BPrepend to buffer: \nr")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1490 (let ((oldbuf (current-buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1491 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1492 (set-buffer (get-buffer-create buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1493 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1494 (insert-buffer-substring oldbuf start end)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1495
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1496 (defun copy-to-buffer (buffer start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1497 "Copy to specified buffer the text of the region.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1498 It is inserted into that buffer, replacing existing text there.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1499
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1500 When calling from a program, give three arguments:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1501 BUFFER (or buffer name), START and END.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1502 START and END specify the portion of the current buffer to be copied."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1503 (interactive "BCopy to buffer: \nr")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1504 (let ((oldbuf (current-buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1505 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1506 (set-buffer (get-buffer-create buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1507 (erase-buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1508 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1509 (insert-buffer-substring oldbuf start end)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1510
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1511 ;FSFmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1512 ;(put 'mark-inactive 'error-conditions '(mark-inactive error))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1513 ;(put 'mark-inactive 'error-message "The mark is not active now")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1514
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1515 (defun mark (&optional force buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1516 "Return this buffer's mark value as integer, or nil if no mark.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1517
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1518 If `zmacs-regions' is true, then this returns nil unless the region is
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1519 currently in the active (highlighted) state. With an argument of t, this
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1520 returns the mark (if there is one) regardless of the active-region state.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1521 You should *generally* not use the mark unless the region is active, if
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1522 the user has expressed a preference for the active-region model.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1523
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1524 If you are using this in an editing command, you are most likely making
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1525 a mistake; see the documentation of `set-mark'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1526 (setq buffer (decode-buffer buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1527 ;FSFmacs version:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1528 ; (if (or force (not transient-mark-mode) mark-active mark-even-if-inactive)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1529 ; (marker-position (mark-marker))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1530 ; (signal 'mark-inactive nil)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1531 (let ((m (mark-marker force buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1532 (and m (marker-position m))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1533
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1534 ;;;#### FSFmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1535 ;;; Many places set mark-active directly, and several of them failed to also
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1536 ;;; run deactivate-mark-hook. This shorthand should simplify.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1537 ;(defsubst deactivate-mark ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1538 ; "Deactivate the mark by setting `mark-active' to nil.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1539 ;\(That makes a difference only in Transient Mark mode.)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1540 ;Also runs the hook `deactivate-mark-hook'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1541 ; (if transient-mark-mode
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1542 ; (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1543 ; (setq mark-active nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1544 ; (run-hooks 'deactivate-mark-hook))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1545
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1546 (defun set-mark (pos &optional buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1547 "Set this buffer's mark to POS. Don't use this function!
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1548 That is to say, don't use this function unless you want
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1549 the user to see that the mark has moved, and you want the previous
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1550 mark position to be lost.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1551
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1552 Normally, when a new mark is set, the old one should go on the stack.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1553 This is why most applications should use push-mark, not set-mark.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1554
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1555 Novice Emacs Lisp programmers often try to use the mark for the wrong
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1556 purposes. The mark saves a location for the user's convenience.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1557 Most editing commands should not alter the mark.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1558 To remember a location for internal use in the Lisp program,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1559 store it in a Lisp variable. Example:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1560
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1561 (let ((beg (point))) (forward-line 1) (delete-region beg (point)))."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1562
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1563 (setq buffer (decode-buffer buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1564 (set-marker (mark-marker t buffer) pos buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1565 ;; FSF
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1566 ; (if pos
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1567 ; (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1568 ; (setq mark-active t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1569 ; (run-hooks 'activate-mark-hook)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1570 ; (set-marker (mark-marker) pos (current-buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1571 ; ;; Normally we never clear mark-active except in Transient Mark mode.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1572 ; ;; But when we actually clear out the mark value too,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1573 ; ;; we must clear mark-active in any mode.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1574 ; (setq mark-active nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1575 ; (run-hooks 'deactivate-mark-hook)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1576 ; (set-marker (mark-marker) nil)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1577
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1578 (defvar mark-ring nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1579 "The list of former marks of the current buffer, most recent first.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1580 (make-variable-buffer-local 'mark-ring)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1581 (put 'mark-ring 'permanent-local t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1582
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1583 (defcustom mark-ring-max 16
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1584 "*Maximum size of mark ring. Start discarding off end if gets this big."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1585 :type 'integer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1586 :group 'killing)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1587
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1588 (defvar global-mark-ring nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1589 "The list of saved global marks, most recent first.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1590
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1591 (defcustom global-mark-ring-max 16
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1592 "*Maximum size of global mark ring. \
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1593 Start discarding off end if gets this big."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1594 :type 'integer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1595 :group 'killing)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1596
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1597 (defun set-mark-command (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1598 "Set mark at where point is, or jump to mark.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1599 With no prefix argument, set mark, push old mark position on local mark
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1600 ring, and push mark on global mark ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1601 With argument, jump to mark, and pop a new position for mark off the ring
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1602 \(does not affect global mark ring\).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1603
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1604 Novice Emacs Lisp programmers often try to use the mark for the wrong
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1605 purposes. See the documentation of `set-mark' for more information."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1606 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1607 (if (null arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1608 (push-mark nil nil t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1609 (if (null (mark t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1610 (error "No mark set in this buffer")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1611 (goto-char (mark t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1612 (pop-mark))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1613
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1614 ;; XEmacs: Extra parameter
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1615 (defun push-mark (&optional location nomsg activate-region buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1616 "Set mark at LOCATION (point, by default) and push old mark on mark ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1617 If the last global mark pushed was not in the current buffer,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1618 also push LOCATION on the global mark ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1619 Display `Mark set' unless the optional second arg NOMSG is non-nil.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1620 Activate mark if optional third arg ACTIVATE-REGION non-nil.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1621
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1622 Novice Emacs Lisp programmers often try to use the mark for the wrong
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1623 purposes. See the documentation of `set-mark' for more information."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1624 (setq buffer (decode-buffer buffer)) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1625 (if (null (mark t buffer)) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1626 nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1627 ;; The save-excursion / set-buffer is necessary because mark-ring
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1628 ;; is a buffer local variable
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1629 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1630 (set-buffer buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1631 (setq mark-ring (cons (copy-marker (mark-marker t buffer)) mark-ring))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1632 (if (> (length mark-ring) mark-ring-max)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1633 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1634 (move-marker (car (nthcdr mark-ring-max mark-ring)) nil buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1635 (setcdr (nthcdr (1- mark-ring-max) mark-ring) nil)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1636 (set-mark (or location (point buffer)) buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1637 ; (set-marker (mark-marker) (or location (point)) (current-buffer)) ; FSF
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1638 ;; Now push the mark on the global mark ring.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1639 (if (or (null global-mark-ring)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1640 (not (eq (marker-buffer (car global-mark-ring)) buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1641 ;; The last global mark pushed wasn't in this same buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1642 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1643 (setq global-mark-ring (cons (copy-marker (mark-marker t buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1644 global-mark-ring))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1645 (if (> (length global-mark-ring) global-mark-ring-max)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1646 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1647 (move-marker (car (nthcdr global-mark-ring-max global-mark-ring))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1648 nil buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1649 (setcdr (nthcdr (1- global-mark-ring-max) global-mark-ring) nil)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1650 (or nomsg executing-kbd-macro (> (minibuffer-depth) 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1651 (display-message 'command "Mark set"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1652 (if activate-region
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1653 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1654 (setq zmacs-region-stays t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1655 (zmacs-activate-region)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1656 ; (if (or activate (not transient-mark-mode)) ; FSF
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1657 ; (set-mark (mark t))) ; FSF
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1658 nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1659
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1660 (defun pop-mark ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1661 "Pop off mark ring into the buffer's actual mark.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1662 Does not set point. Does nothing if mark ring is empty."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1663 (if mark-ring
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1664 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1665 (setq mark-ring (nconc mark-ring (list (copy-marker (mark-marker t)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1666 (set-mark (car mark-ring))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1667 (move-marker (car mark-ring) nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1668 (if (null (mark t)) (ding))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1669 (setq mark-ring (cdr mark-ring)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1670
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1671 (define-function 'exchange-dot-and-mark 'exchange-point-and-mark)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1672 (defun exchange-point-and-mark (&optional dont-activate-region)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1673 "Put the mark where point is now, and point where the mark is now.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1674 The mark is activated unless DONT-ACTIVATE-REGION is non-nil."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1675 (interactive nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1676 (let ((omark (mark t)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1677 (if (null omark)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1678 (error "No mark set in this buffer"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1679 (set-mark (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1680 (goto-char omark)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1681 (or dont-activate-region (zmacs-activate-region)) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1682 nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1683
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1684 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1685 (defun mark-something (mark-fn movement-fn arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1686 "internal function used by mark-sexp, mark-word, etc."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1687 (let (newmark (pushp t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1688 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1689 (if (and (eq last-command mark-fn) (mark))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1690 ;; Extend the previous state in the same direction:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1691 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1692 (if (< (mark) (point)) (setq arg (- arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1693 (goto-char (mark))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1694 (setq pushp nil)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1695 (funcall movement-fn arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1696 (setq newmark (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1697 (if pushp
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1698 (push-mark newmark nil t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1699 ;; Do not mess with the mark stack, but merely adjust the previous state:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1700 (set-mark newmark)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1701 (activate-region))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1702
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1703 ;(defun transient-mark-mode (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1704 ; "Toggle Transient Mark mode.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1705 ;With arg, turn Transient Mark mode on if arg is positive, off otherwise.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1706 ;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1707 ;In Transient Mark mode, when the mark is active, the region is highlighted.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1708 ;Changing the buffer \"deactivates\" the mark.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1709 ;So do certain other operations that set the mark
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1710 ;but whose main purpose is something else--for example,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1711 ;incremental search, \\[beginning-of-buffer], and \\[end-of-buffer]."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1712 ; (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1713 ; (setq transient-mark-mode
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1714 ; (if (null arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1715 ; (not transient-mark-mode)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1716 ; (> (prefix-numeric-value arg) 0))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1717
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1718 (defun pop-global-mark ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1719 "Pop off global mark ring and jump to the top location."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1720 (interactive)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1721 ;; Pop entries which refer to non-existent buffers.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1722 (while (and global-mark-ring (not (marker-buffer (car global-mark-ring))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1723 (setq global-mark-ring (cdr global-mark-ring)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1724 (or global-mark-ring
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1725 (error "No global mark set"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1726 (let* ((marker (car global-mark-ring))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1727 (buffer (marker-buffer marker))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1728 (position (marker-position marker)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1729 (setq global-mark-ring (nconc (cdr global-mark-ring)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1730 (list (car global-mark-ring))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1731 (set-buffer buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1732 (or (and (>= position (point-min))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1733 (<= position (point-max)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1734 (widen))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1735 (goto-char position)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1736 (switch-to-buffer buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1737
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1738
265
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1739 (defcustom signal-error-on-buffer-boundary t
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1740 "*Non-nil value causes XEmacs to beep or signal an error when certain interactive commands would move point past (point-min) or (point-max).
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1741 The commands that honor this variable are
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1742
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1743 forward-char-command
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1744 backward-char-command
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1745 next-line
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1746 previous-line
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1747 scroll-up-command
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1748 scroll-down-command"
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1749 :type 'boolean
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1750 :group 'editing-basics)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1751
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1752 ;;; After 8 years of waiting ... -sb
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1753 (defcustom next-line-add-newlines nil ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1754 "*If non-nil, `next-line' inserts newline when the point is at end of buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1755 This behavior used to be the default, and is still default in FSF Emacs.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1756 We think it is an unnecessary and unwanted side-effect."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1757 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1758 :group 'editing-basics)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1759
265
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1760 (defun forward-char-command (&optional arg buffer)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1761 "Move point right ARG characters (left if ARG negative) in BUFFER.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1762 On attempt to pass end of buffer, stop and signal `end-of-buffer'.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1763 On attempt to pass beginning of buffer, stop and signal `beginning-of-buffer'.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1764 Error signaling is suppressed if `signal-error-on-buffer-boundary'
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1765 is nil. If BUFFER is nil, the current buffer is assumed."
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1766 (interactive "_p")
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1767 (if signal-error-on-buffer-boundary
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1768 (forward-char arg buffer)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1769 (condition-case nil
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1770 (forward-char arg buffer)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1771 (beginning-of-buffer nil)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1772 (end-of-buffer nil))))
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1773
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1774 (defun backward-char-command (&optional arg buffer)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1775 "Move point left ARG characters (right if ARG negative) in BUFFER.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1776 On attempt to pass end of buffer, stop and signal `end-of-buffer'.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1777 On attempt to pass beginning of buffer, stop and signal `beginning-of-buffer'.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1778 Error signaling is suppressed if `signal-error-on-buffer-boundary'
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1779 is nil. If BUFFER is nil, the current buffer is assumed."
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1780 (interactive "_p")
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1781 (if signal-error-on-buffer-boundary
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1782 (backward-char arg buffer)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1783 (condition-case nil
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1784 (backward-char arg buffer)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1785 (beginning-of-buffer nil)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1786 (end-of-buffer nil))))
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1787
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1788 (defun scroll-up-command (&optional n)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1789 "Scroll text of current window upward ARG lines; or near full screen if no ARG.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1790 A near full screen is `next-screen-context-lines' less than a full screen.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1791 Negative ARG means scroll downward.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1792 When calling from a program, supply a number as argument or nil.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1793 On attempt to scroll past end of buffer, `end-of-buffer' is signaled.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1794 On attempt to scroll past beginning of buffer, `beginning-of-buffer' is
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1795 signaled.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1796
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1797 If `signal-error-on-buffer-boundary' is nil, attempts to scroll past buffer
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1798 boundaries do not cause an error to be signaled."
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1799 (interactive "_P")
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1800 (if signal-error-on-buffer-boundary
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1801 (scroll-up n)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1802 (condition-case nil
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1803 (scroll-up n)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1804 (beginning-of-buffer nil)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1805 (end-of-buffer nil))))
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1806
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1807 (defun scroll-down-command (&optional n)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1808 "Scroll text of current window downward ARG lines; or near full screen if no ARG.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1809 A near full screen is `next-screen-context-lines' less than a full screen.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1810 Negative ARG means scroll upward.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1811 When calling from a program, supply a number as argument or nil.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1812 On attempt to scroll past end of buffer, `end-of-buffer' is signaled.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1813 On attempt to scroll past beginning of buffer, `beginning-of-buffer' is
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1814 signaled.
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1815
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1816 If `signal-error-on-buffer-boundary' is nil, attempts to scroll past buffer
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1817 boundaries do not cause an error to be signaled."
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1818 (interactive "_P")
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1819 (if signal-error-on-buffer-boundary
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1820 (scroll-down n)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1821 (condition-case nil
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1822 (scroll-down n)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1823 (beginning-of-buffer nil)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1824 (end-of-buffer nil))))
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
1825
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1826 (defun next-line (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1827 "Move cursor vertically down ARG lines.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1828 If there is no character in the target line exactly under the current column,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1829 the cursor is positioned after the character in that line which spans this
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1830 column, or at the end of the line if it is not long enough.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1831
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1832 If there is no line in the buffer after this one, behavior depends on the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1833 value of `next-line-add-newlines'. If non-nil, it inserts a newline character
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1834 to create a line, and moves the cursor to that line. Otherwise it moves the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1835 cursor to the end of the buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1836
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1837 The command \\[set-goal-column] can be used to create
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1838 a semipermanent goal column to which this command always moves.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1839 Then it does not try to move vertically. This goal column is stored
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1840 in `goal-column', which is nil when there is none.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1841
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1842 If you are thinking of using this in a Lisp program, consider
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1843 using `forward-line' instead. It is usually easier to use
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1844 and more reliable (no dependence on goal column, etc.)."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1845 (interactive "_p") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1846 (if (and next-line-add-newlines (= arg 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1847 (let ((opoint (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1848 (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1849 (if (eobp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1850 (newline 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1851 (goto-char opoint)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1852 (line-move arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1853 (if (interactive-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1854 ;; XEmacs: Not sure what to do about this. It's inconsistent. -sb
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1855 (condition-case nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1856 (line-move arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1857 ((beginning-of-buffer end-of-buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1858 (when signal-error-on-buffer-boundary
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1859 (ding nil 'buffer-bound))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1860 (line-move arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1861 nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1862
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1863 (defun previous-line (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1864 "Move cursor vertically up ARG lines.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1865 If there is no character in the target line exactly over the current column,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1866 the cursor is positioned after the character in that line which spans this
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1867 column, or at the end of the line if it is not long enough.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1868
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1869 The command \\[set-goal-column] can be used to create
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1870 a semipermanent goal column to which this command always moves.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1871 Then it does not try to move vertically.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1872
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1873 If you are thinking of using this in a Lisp program, consider using
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1874 `forward-line' with a negative argument instead. It is usually easier
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1875 to use and more reliable (no dependence on goal column, etc.)."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1876 (interactive "_p") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1877 (if (interactive-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1878 (condition-case nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1879 (line-move (- arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1880 ((beginning-of-buffer end-of-buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1881 (when signal-error-on-buffer-boundary ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1882 (ding nil 'buffer-bound))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1883 (line-move (- arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1884 nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1885
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1886 (defcustom track-eol nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1887 "*Non-nil means vertical motion starting at end of line keeps to ends of lines.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1888 This means moving to the end of each line moved onto.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1889 The beginning of a blank line does not count as the end of a line."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1890 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1891 :group 'editing-basics)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1892
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1893 (defcustom goal-column nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1894 "*Semipermanent goal column for vertical motion, as set by \\[set-goal-column], or nil."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1895 :type '(choice integer (const :tag "None" nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1896 :group 'editing-basics)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1897 (make-variable-buffer-local 'goal-column)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1898
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1899 (defvar temporary-goal-column 0
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1900 "Current goal column for vertical motion.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1901 It is the column where point was
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1902 at the start of current run of vertical motion commands.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1903 When the `track-eol' feature is doing its job, the value is 9999.")
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
1904 (make-variable-buffer-local 'temporary-goal-column)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1905
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1906 ;XEmacs: not yet ported, so avoid compiler warnings
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1907 (eval-when-compile
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1908 (defvar inhibit-point-motion-hooks))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1909
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1910 (defcustom line-move-ignore-invisible nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1911 "*Non-nil means \\[next-line] and \\[previous-line] ignore invisible lines.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1912 Use with care, as it slows down movement significantly. Outline mode sets this."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1913 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1914 :group 'editing-basics)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1915
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1916 ;; This is the guts of next-line and previous-line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1917 ;; Arg says how many lines to move.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1918 (defun line-move (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1919 ;; Don't run any point-motion hooks, and disregard intangibility,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1920 ;; for intermediate positions.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1921 (let ((inhibit-point-motion-hooks t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1922 (opoint (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1923 new)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1924 (unwind-protect
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1925 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1926 (if (not (or (eq last-command 'next-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1927 (eq last-command 'previous-line)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1928 (setq temporary-goal-column
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1929 (if (and track-eol (eolp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1930 ;; Don't count beg of empty line as end of line
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1931 ;; unless we just did explicit end-of-line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1932 (or (not (bolp)) (eq last-command 'end-of-line)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1933 9999
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1934 (current-column))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1935 (if (and (not (integerp selective-display))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1936 (not line-move-ignore-invisible))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1937 ;; Use just newline characters.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1938 (or (if (> arg 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1939 (progn (if (> arg 1) (forward-line (1- arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1940 ;; This way of moving forward ARG lines
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1941 ;; verifies that we have a newline after the last one.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1942 ;; It doesn't get confused by intangible text.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1943 (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1944 (zerop (forward-line 1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1945 (and (zerop (forward-line arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1946 (bolp)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1947 (signal (if (< arg 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1948 'beginning-of-buffer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1949 'end-of-buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1950 nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1951 ;; Move by arg lines, but ignore invisible ones.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1952 (while (> arg 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1953 (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1954 (and (zerop (vertical-motion 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1955 (signal 'end-of-buffer nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1956 ;; If the following character is currently invisible,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1957 ;; skip all characters with that same `invisible' property value.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1958 (while (and (not (eobp))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1959 (let ((prop
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1960 (get-char-property (point) 'invisible)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1961 (if (eq buffer-invisibility-spec t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1962 prop
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1963 (or (memq prop buffer-invisibility-spec)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1964 (assq prop buffer-invisibility-spec)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1965 (if (get-text-property (point) 'invisible)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1966 (goto-char (next-single-property-change (point) 'invisible))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1967 (goto-char (next-extent-change (point))))) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1968 (setq arg (1- arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1969 (while (< arg 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1970 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1971 (and (zerop (vertical-motion -1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1972 (signal 'beginning-of-buffer nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1973 (while (and (not (bobp))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1974 (let ((prop
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1975 (get-char-property (1- (point)) 'invisible)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1976 (if (eq buffer-invisibility-spec t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1977 prop
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1978 (or (memq prop buffer-invisibility-spec)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1979 (assq prop buffer-invisibility-spec)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1980 (if (get-text-property (1- (point)) 'invisible)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1981 (goto-char (previous-single-property-change (point) 'invisible))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1982 (goto-char (previous-extent-change (point))))) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1983 (setq arg (1+ arg))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1984 (move-to-column (or goal-column temporary-goal-column)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1985 ;; Remember where we moved to, go back home,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1986 ;; then do the motion over again
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1987 ;; in just one step, with intangibility and point-motion hooks
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1988 ;; enabled this time.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1989 (setq new (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1990 (goto-char opoint)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1991 (setq inhibit-point-motion-hooks nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1992 (goto-char new)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1993 nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1994
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1995 ;;; Many people have said they rarely use this feature, and often type
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1996 ;;; it by accident. Maybe it shouldn't even be on a key.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1997 ;; It's not on a key, as of 20.2. So no need for this.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1998 ;(put 'set-goal-column 'disabled t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
1999
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2000 (defun set-goal-column (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2001 "Set the current horizontal position as a goal for \\[next-line] and \\[previous-line].
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2002 Those commands will move to this position in the line moved to
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2003 rather than trying to keep the same horizontal position.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2004 With a non-nil argument, clears out the goal column
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2005 so that \\[next-line] and \\[previous-line] resume vertical motion.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2006 The goal column is stored in the variable `goal-column'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2007 (interactive "_P") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2008 (if arg
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2009 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2010 (setq goal-column nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2011 (display-message 'command "No goal column"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2012 (setq goal-column (current-column))
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2013 (lmessage 'command
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2014 "Goal column %d (use %s with an arg to unset it)"
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2015 goal-column
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2016 (substitute-command-keys "\\[set-goal-column]")))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2017 nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2018
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2019 ;; deleted FSFmacs terminal randomness hscroll-point-visible stuff.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2020 ;; hscroll-step
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2021 ;; hscroll-point-visible
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2022 ;; hscroll-window-column
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2023 ;; right-arrow
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2024 ;; left-arrow
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2025
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2026 (defun scroll-other-window-down (lines)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2027 "Scroll the \"other window\" down.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2028 For more details, see the documentation for `scroll-other-window'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2029 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2030 (scroll-other-window
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2031 ;; Just invert the argument's meaning.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2032 ;; We can do that without knowing which window it will be.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2033 (if (eq lines '-) nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2034 (if (null lines) '-
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2035 (- (prefix-numeric-value lines))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2036 ;(define-key esc-map [?\C-\S-v] 'scroll-other-window-down)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2037
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2038 (defun beginning-of-buffer-other-window (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2039 "Move point to the beginning of the buffer in the other window.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2040 Leave mark at previous position.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2041 With arg N, put point N/10 of the way from the true beginning."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2042 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2043 (let ((orig-window (selected-window))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2044 (window (other-window-for-scrolling)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2045 ;; We use unwind-protect rather than save-window-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2046 ;; because the latter would preserve the things we want to change.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2047 (unwind-protect
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2048 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2049 (select-window window)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2050 ;; Set point and mark in that window's buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2051 (beginning-of-buffer arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2052 ;; Set point accordingly.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2053 (recenter '(t)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2054 (select-window orig-window))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2055
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2056 (defun end-of-buffer-other-window (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2057 "Move point to the end of the buffer in the other window.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2058 Leave mark at previous position.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2059 With arg N, put point N/10 of the way from the true end."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2060 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2061 ;; See beginning-of-buffer-other-window for comments.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2062 (let ((orig-window (selected-window))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2063 (window (other-window-for-scrolling)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2064 (unwind-protect
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2065 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2066 (select-window window)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2067 (end-of-buffer arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2068 (recenter '(t)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2069 (select-window orig-window))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2070
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2071 (defun transpose-chars (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2072 "Interchange characters around point, moving forward one character.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2073 With prefix arg ARG, effect is to take character before point
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2074 and drag it forward past ARG other characters (backward if ARG negative).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2075 If no argument and at end of line, the previous two chars are exchanged."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2076 (interactive "*P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2077 (and (null arg) (eolp) (forward-char -1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2078 (transpose-subr 'forward-char (prefix-numeric-value arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2079
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2080 ;;; A very old implementation of transpose-chars from the old days ...
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2081 (defun transpose-preceding-chars (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2082 "Interchange characters before point.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2083 With prefix arg ARG, effect is to take character before point
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2084 and drag it forward past ARG other characters (backward if ARG negative).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2085 If no argument and not at start of line, the previous two chars are exchanged."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2086 (interactive "*P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2087 (and (null arg) (not (bolp)) (forward-char -1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2088 (transpose-subr 'forward-char (prefix-numeric-value arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2089
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2090
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2091 (defun transpose-words (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2092 "Interchange words around point, leaving point at end of them.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2093 With prefix arg ARG, effect is to take word before or around point
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2094 and drag it forward past ARG other words (backward if ARG negative).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2095 If ARG is zero, the words around or after point and around or after mark
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2096 are interchanged."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2097 (interactive "*p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2098 (transpose-subr 'forward-word arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2099
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2100 (defun transpose-sexps (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2101 "Like \\[transpose-words] but applies to sexps.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2102 Does not work on a sexp that point is in the middle of
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2103 if it is a list or string."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2104 (interactive "*p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2105 (transpose-subr 'forward-sexp arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2106
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2107 (defun transpose-lines (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2108 "Exchange current line and previous line, leaving point after both.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2109 With argument ARG, takes previous line and moves it past ARG lines.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2110 With argument 0, interchanges line point is in with line mark is in."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2111 (interactive "*p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2112 (transpose-subr #'(lambda (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2113 (if (= arg 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2114 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2115 ;; Move forward over a line,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2116 ;; but create a newline if none exists yet.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2117 (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2118 (if (eobp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2119 (newline)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2120 (forward-char 1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2121 (forward-line arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2122 arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2123
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2124 (eval-when-compile
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2125 ;; avoid byte-compiler warnings...
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2126 (defvar start1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2127 (defvar start2)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2128 (defvar end1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2129 (defvar end2))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2130
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2131 ; start[12] and end[12] used in transpose-subr-1 below
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2132 (defun transpose-subr (mover arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2133 (let (start1 end1 start2 end2)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2134 (if (= arg 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2135 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2136 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2137 (funcall mover 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2138 (setq end2 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2139 (funcall mover -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2140 (setq start2 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2141 (goto-char (mark t)) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2142 (funcall mover 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2143 (setq end1 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2144 (funcall mover -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2145 (setq start1 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2146 (transpose-subr-1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2147 (exchange-point-and-mark t))) ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2148 (while (> arg 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2149 (funcall mover -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2150 (setq start1 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2151 (funcall mover 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2152 (setq end1 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2153 (funcall mover 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2154 (setq end2 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2155 (funcall mover -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2156 (setq start2 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2157 (transpose-subr-1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2158 (goto-char end2)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2159 (setq arg (1- arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2160 (while (< arg 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2161 (funcall mover -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2162 (setq start2 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2163 (funcall mover -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2164 (setq start1 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2165 (funcall mover 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2166 (setq end1 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2167 (funcall mover 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2168 (setq end2 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2169 (transpose-subr-1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2170 (setq arg (1+ arg)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2171
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2172 ; start[12] and end[12] used free
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2173 (defun transpose-subr-1 ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2174 (if (> (min end1 end2) (max start1 start2))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2175 (error "Don't have two things to transpose"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2176 (let ((word1 (buffer-substring start1 end1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2177 (word2 (buffer-substring start2 end2)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2178 (delete-region start2 end2)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2179 (goto-char start2)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2180 (insert word1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2181 (goto-char (if (< start1 start2) start1
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2182 (+ start1 (- (length word1) (length word2)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2183 (delete-char (length word1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2184 (insert word2)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2185
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2186 (defcustom comment-column 32
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2187 "*Column to indent right-margin comments to.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2188 Setting this variable automatically makes it local to the current buffer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2189 Each mode establishes a different default value for this variable; you
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2190 can set the value for a particular mode using that mode's hook."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2191 :type 'integer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2192 :group 'fill-comments)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2193 (make-variable-buffer-local 'comment-column)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2194
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2195 (defcustom comment-start nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2196 "*String to insert to start a new comment, or nil if no comment syntax."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2197 :type '(choice (const :tag "None" nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2198 string)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2199 :group 'fill-comments)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2200
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2201 (defcustom comment-start-skip nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2202 "*Regexp to match the start of a comment plus everything up to its body.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2203 If there are any \\(...\\) pairs, the comment delimiter text is held to begin
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2204 at the place matched by the close of the first pair."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2205 :type '(choice (const :tag "None" nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2206 regexp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2207 :group 'fill-comments)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2208
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2209 (defcustom comment-end ""
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2210 "*String to insert to end a new comment.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2211 Should be an empty string if comments are terminated by end-of-line."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2212 :type 'string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2213 :group 'fill-comments)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2214
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2215 (defconst comment-indent-hook nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2216 "Obsolete variable for function to compute desired indentation for a comment.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2217 Use `comment-indent-function' instead.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2218 This function is called with no args with point at the beginning of
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2219 the comment's starting delimiter.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2220
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2221 (defconst comment-indent-function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2222 ;; XEmacs - add at least one space after the end of the text on the
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
2223 ;; current line...
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2224 (lambda ()
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
2225 (save-excursion
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
2226 (beginning-of-line)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2227 (let ((eol (save-excursion (end-of-line) (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2228 (and comment-start-skip
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2229 (re-search-forward comment-start-skip eol t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2230 (setq eol (match-beginning 0)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2231 (goto-char eol)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2232 (skip-chars-backward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2233 (max comment-column (1+ (current-column))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2234 "Function to compute desired indentation for a comment.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2235 This function is called with no args with point at the beginning of
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2236 the comment's starting delimiter.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2237
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2238 (defcustom block-comment-start nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2239 "*String to insert to start a new comment on a line by itself.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2240 If nil, use `comment-start' instead.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2241 Note that the regular expression `comment-start-skip' should skip this string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2242 as well as the `comment-start' string."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2243 :type '(choice (const :tag "Use `comment-start'" nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2244 string)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2245 :group 'fill-comments)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2246
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2247 (defcustom block-comment-end nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2248 "*String to insert to end a new comment on a line by itself.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2249 Should be an empty string if comments are terminated by end-of-line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2250 If nil, use `comment-end' instead."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2251 :type '(choice (const :tag "Use `comment-end'" nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2252 string)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2253 :group 'fill-comments)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2254
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2255 (defun indent-for-comment ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2256 "Indent this line's comment to comment column, or insert an empty comment."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2257 (interactive "*")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2258 (let* ((empty (save-excursion (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2259 (looking-at "[ \t]*$")))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2260 (starter (or (and empty block-comment-start) comment-start))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2261 (ender (or (and empty block-comment-end) comment-end)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2262 (if (null starter)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2263 (error "No comment syntax defined")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2264 (let* ((eolpos (save-excursion (end-of-line) (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2265 cpos indent begpos)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2266 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2267 (if (re-search-forward comment-start-skip eolpos 'move)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2268 (progn (setq cpos (point-marker))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2269 ;; Find the start of the comment delimiter.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2270 ;; If there were paren-pairs in comment-start-skip,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2271 ;; position at the end of the first pair.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2272 (if (match-end 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2273 (goto-char (match-end 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2274 ;; If comment-start-skip matched a string with
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2275 ;; internal whitespace (not final whitespace) then
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2276 ;; the delimiter start at the end of that
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2277 ;; whitespace. Otherwise, it starts at the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2278 ;; beginning of what was matched.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2279 (skip-syntax-backward " " (match-beginning 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2280 (skip-syntax-backward "^ " (match-beginning 0)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2281 (setq begpos (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2282 ;; Compute desired indent.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2283 (if (= (current-column)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2284 (setq indent (funcall comment-indent-function)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2285 (goto-char begpos)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2286 ;; If that's different from current, change it.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2287 (skip-chars-backward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2288 (delete-region (point) begpos)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2289 (indent-to indent))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2290 ;; An existing comment?
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
2291 (if cpos
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2292 (progn (goto-char cpos)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2293 (set-marker cpos nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2294 ;; No, insert one.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2295 (insert starter)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2296 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2297 (insert ender)))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2298
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2299 (defun set-comment-column (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2300 "Set the comment column based on point.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2301 With no arg, set the comment column to the current column.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2302 With just minus as arg, kill any comment on this line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2303 With any other arg, set comment column to indentation of the previous comment
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2304 and then align or create a comment on this line at that column."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2305 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2306 (if (eq arg '-)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2307 (kill-comment nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2308 (if arg
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2309 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2310 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2311 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2312 (re-search-backward comment-start-skip)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2313 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2314 (re-search-forward comment-start-skip)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2315 (goto-char (match-beginning 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2316 (setq comment-column (current-column))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
2317 (lmessage 'command "Comment column set to %d" comment-column))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2318 (indent-for-comment))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2319 (setq comment-column (current-column))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
2320 (lmessage 'command "Comment column set to %d" comment-column))))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2321
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2322 (defun kill-comment (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2323 "Kill the comment on this line, if any.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2324 With argument, kill comments on that many lines starting with this one."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2325 ;; this function loses in a lot of situations. it incorrectly recognises
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2326 ;; comment delimiters sometimes (ergo, inside a string), doesn't work
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2327 ;; with multi-line comments, can kill extra whitespace if comment wasn't
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2328 ;; through end-of-line, et cetera.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2329 (interactive "*P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2330 (or comment-start-skip (error "No comment syntax defined"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2331 (let ((count (prefix-numeric-value arg)) endc)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2332 (while (> count 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2333 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2334 (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2335 (setq endc (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2336 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2337 (and (string< "" comment-end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2338 (setq endc
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2339 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2340 (re-search-forward (regexp-quote comment-end) endc 'move)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2341 (skip-chars-forward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2342 (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2343 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2344 (if (re-search-forward comment-start-skip endc t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2345 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2346 (goto-char (match-beginning 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2347 (skip-chars-backward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2348 (kill-region (point) endc)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2349 ;; to catch comments a line beginnings
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2350 (indent-according-to-mode))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2351 (if arg (forward-line 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2352 (setq count (1- count)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2353
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2354 (defun comment-region (beg end &optional arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2355 "Comment or uncomment each line in the region.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2356 With just C-u prefix arg, uncomment each line in region.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2357 Numeric prefix arg ARG means use ARG comment characters.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2358 If ARG is negative, delete that many comment characters instead.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2359 Comments are terminated on each line, even for syntax in which newline does
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2360 not end the comment. Blank lines do not get comments."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2361 ;; if someone wants it to only put a comment-start at the beginning and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2362 ;; comment-end at the end then typing it, C-x C-x, closing it, C-x C-x
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2363 ;; is easy enough. No option is made here for other than commenting
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2364 ;; every line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2365 (interactive "r\nP")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2366 (or comment-start (error "No comment syntax is defined"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2367 (if (> beg end) (let (mid) (setq mid beg beg end end mid)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2368 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2369 (save-restriction
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2370 (let ((cs comment-start) (ce comment-end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2371 numarg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2372 (if (consp arg) (setq numarg t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2373 (setq numarg (prefix-numeric-value arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2374 ;; For positive arg > 1, replicate the comment delims now,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2375 ;; then insert the replicated strings just once.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2376 (while (> numarg 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2377 (setq cs (concat cs comment-start)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2378 ce (concat ce comment-end))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2379 (setq numarg (1- numarg))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2380 ;; Loop over all lines from BEG to END.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2381 (narrow-to-region beg end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2382 (goto-char beg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2383 (while (not (eobp))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2384 (if (or (eq numarg t) (< numarg 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2385 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2386 ;; Delete comment start from beginning of line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2387 (if (eq numarg t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2388 (while (looking-at (regexp-quote cs))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2389 (delete-char (length cs)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2390 (let ((count numarg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2391 (while (and (> 1 (setq count (1+ count)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2392 (looking-at (regexp-quote cs)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2393 (delete-char (length cs)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2394 ;; Delete comment end from end of line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2395 (if (string= "" ce)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2396 nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2397 (if (eq numarg t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2398 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2399 (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2400 ;; This is questionable if comment-end ends in
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2401 ;; whitespace. That is pretty brain-damaged,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2402 ;; though.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2403 (skip-chars-backward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2404 (if (and (>= (- (point) (point-min)) (length ce))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2405 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2406 (backward-char (length ce))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2407 (looking-at (regexp-quote ce))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2408 (delete-char (- (length ce)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2409 (let ((count numarg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2410 (while (> 1 (setq count (1+ count)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2411 (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2412 ;; This is questionable if comment-end ends in
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2413 ;; whitespace. That is pretty brain-damaged though
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2414 (skip-chars-backward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2415 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2416 (backward-char (length ce))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2417 (if (looking-at (regexp-quote ce))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2418 (delete-char (length ce))))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2419 (forward-line 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2420 ;; Insert at beginning and at end.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2421 (if (looking-at "[ \t]*$") ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2422 (insert cs)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2423 (if (string= "" ce) ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2424 (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2425 (insert ce)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2426 (search-forward "\n" nil 'move)))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2427
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2428 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2429 (defun prefix-region (prefix)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2430 "Add a prefix string to each line between mark and point."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2431 (interactive "sPrefix string: ")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2432 (if prefix
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2433 (let ((count (count-lines (mark) (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2434 (goto-char (min (mark) (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2435 (while (> count 0)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2436 (setq count (1- count))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2437 (beginning-of-line 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2438 (insert prefix)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2439 (end-of-line 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2440 (forward-char 1)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2441
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2442
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2443 ;; XEmacs - extra parameter
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2444 (defun backward-word (arg &optional buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2445 "Move backward until encountering the end of a word.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2446 With argument, do this that many times.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2447 In programs, it is faster to call `forward-word' with negative arg."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2448 (interactive "_p") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2449 (forward-word (- arg) buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2450
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2451 (defun mark-word (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2452 "Set mark arg words away from point."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2453 (interactive "p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2454 (mark-something 'mark-word 'forward-word arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2455
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2456 ;; XEmacs modified
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2457 (defun kill-word (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2458 "Kill characters forward until encountering the end of a word.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2459 With argument, do this that many times."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2460 (interactive "*p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2461 (kill-region (point) (save-excursion (forward-word arg) (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2462
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2463 (defun backward-kill-word (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2464 "Kill characters backward until encountering the end of a word.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2465 With argument, do this that many times."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2466 (interactive "*p") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2467 (kill-word (- arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2468
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2469 (defun current-word (&optional strict)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2470 "Return the word point is on (or a nearby word) as a string.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2471 If optional arg STRICT is non-nil, return nil unless point is within
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2472 or adjacent to a word.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2473 If point is not between two word-constituent characters, but immediately
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2474 follows one, move back first.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2475 Otherwise, if point precedes a word constituent, move forward first.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2476 Otherwise, move backwards until a word constituent is found and get that word;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2477 if you a newlines is reached first, move forward instead."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2478 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2479 (let ((oldpoint (point)) (start (point)) (end (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2480 (skip-syntax-backward "w_") (setq start (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2481 (goto-char oldpoint)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2482 (skip-syntax-forward "w_") (setq end (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2483 (if (and (eq start oldpoint) (eq end oldpoint))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2484 ;; Point is neither within nor adjacent to a word.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2485 (and (not strict)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2486 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2487 ;; Look for preceding word in same line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2488 (skip-syntax-backward "^w_"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2489 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2490 (beginning-of-line) (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2491 (if (bolp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2492 ;; No preceding word in same line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2493 ;; Look for following word in same line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2494 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2495 (skip-syntax-forward "^w_"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2496 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2497 (end-of-line) (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2498 (setq start (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2499 (skip-syntax-forward "w_")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2500 (setq end (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2501 (setq end (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2502 (skip-syntax-backward "w_")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2503 (setq start (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2504 (buffer-substring start end)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2505 (buffer-substring start end)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2506
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2507 (defcustom fill-prefix nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2508 "*String for filling to insert at front of new line, or nil for none.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2509 Setting this variable automatically makes it local to the current buffer."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2510 :type '(choice (const :tag "None" nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2511 string)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2512 :group 'fill)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2513 (make-variable-buffer-local 'fill-prefix)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2514
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2515 (defcustom auto-fill-inhibit-regexp nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2516 "*Regexp to match lines which should not be auto-filled."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2517 :type '(choice (const :tag "None" nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2518 regexp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2519 :group 'fill)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2520
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2521 (defvar comment-line-break-function 'indent-new-comment-line
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2522 "*Mode-specific function which line breaks and continues a comment.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2523
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2524 This function is only called during auto-filling of a comment section.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2525 The function should take a single optional argument which is a flag
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2526 indicating whether soft newlines should be inserted.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2527
265
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
2528 ;; defined in mule-base/mule-category.el
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
2529 (defvar word-across-newline)
8efd647ea9ca Import from CVS: tag r20-5b31
cvs
parents: 259
diff changeset
2530
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2531 ;; This function is the auto-fill-function of a buffer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2532 ;; when Auto-Fill mode is enabled.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2533 ;; It returns t if it really did any work.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2534 ;; XEmacs: This function is totally different.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2535 (defun do-auto-fill ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2536 (let (give-up)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2537 (or (and auto-fill-inhibit-regexp
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2538 (save-excursion (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2539 (looking-at auto-fill-inhibit-regexp)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2540 (while (and (not give-up) (> (current-column) fill-column))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2541 ;; Determine where to split the line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2542 (let ((fill-prefix fill-prefix)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2543 (fill-point
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2544 (let ((opoint (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2545 bounce
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2546 ;; 97/3/14 jhod: Kinsoku
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2547 (re-break-point (if (featurep 'mule)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2548 (concat "[ \t\n]\\|" word-across-newline)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2549 "[ \t\n]"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2550 ;; end patch
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2551 (first t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2552 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2553 (move-to-column (1+ fill-column))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2554 ;; Move back to a word boundary.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2555 (while (or first
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2556 ;; If this is after period and a single space,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2557 ;; move back once more--we don't want to break
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2558 ;; the line there and make it look like a
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2559 ;; sentence end.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2560 (and (not (bobp))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2561 (not bounce)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2562 sentence-end-double-space
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2563 (save-excursion (forward-char -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2564 (and (looking-at "\\. ")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2565 (not (looking-at "\\. "))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2566 (setq first nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2567 ;; 97/3/14 jhod: Kinsoku
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2568 ; (skip-chars-backward "^ \t\n"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2569 (fill-move-backward-to-break-point re-break-point)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2570 ;; end patch
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2571 ;; If we find nowhere on the line to break it,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2572 ;; break after one word. Set bounce to t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2573 ;; so we will not keep going in this while loop.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2574 (if (bolp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2575 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2576 ;; 97/3/14 jhod: Kinsoku
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2577 ; (re-search-forward "[ \t]" opoint t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2578 (fill-move-forward-to-break-point re-break-point
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2579 opoint)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2580 ;; end patch
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2581 (setq bounce t)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2582 (skip-chars-backward " \t"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2583 (if (and (featurep 'mule)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2584 (or bounce (bolp))) (kinsoku-process)) ;; 97/3/14 jhod: Kinsoku
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2585 ;; Let fill-point be set to the place where we end up.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2586 (point)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2587
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2588 ;; I'm not sure why Stig made this change but it breaks
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2589 ;; auto filling in at least C mode so I'm taking it back
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2590 ;; out. --cet
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2591 ;; XEmacs - adaptive fill.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2592 ;;(maybe-adapt-fill-prefix
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2593 ;; (or from (setq from (save-excursion (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2594 ;; (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2595 ;; (or to (setq to (save-excursion (beginning-of-line 2)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2596 ;; (point))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2597 ;; t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2598
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2599 ;; If that place is not the beginning of the line,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2600 ;; break the line there.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2601 (if (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2602 (goto-char fill-point)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2603 (not (or (bolp) (eolp)))) ; 97/3/14 jhod: during kinsoku processing it is possible to move beyond
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2604 (let ((prev-column (current-column)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2605 ;; If point is at the fill-point, do not `save-excursion'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2606 ;; Otherwise, if a comment prefix or fill-prefix is inserted,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2607 ;; point will end up before it rather than after it.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2608 (if (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2609 (skip-chars-backward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2610 (= (point) fill-point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2611 ;; 97/3/14 jhod: Kinsoku processing
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2612 ;(indent-new-comment-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2613 (let ((spacep (memq (char-before (point)) '(?\ ?\t))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2614 (funcall comment-line-break-function)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2615 ;; if user type space explicitly, leave SPC
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2616 ;; even if there is no WAN.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2617 (if spacep
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2618 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2619 (goto-char fill-point)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2620 ;; put SPC except that there is SPC
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2621 ;; already or there is sentence end.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2622 (or (memq (char-after (point)) '(?\ ?\t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2623 (fill-end-of-sentence-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2624 (insert ?\ )))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2625 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2626 (goto-char fill-point)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2627 (funcall comment-line-break-function)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2628 ;; If making the new line didn't reduce the hpos of
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2629 ;; the end of the line, then give up now;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2630 ;; trying again will not help.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2631 (if (>= (current-column) prev-column)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2632 (setq give-up t)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2633 ;; No place to break => stop trying.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2634 (setq give-up t)))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2635
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2636 ;; Put FSF one in until I can one or the other working properly, then the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2637 ;; other one is history.
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2638 ;(defun fsf:do-auto-fill ()
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2639 ; (let (fc justify
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2640 ; ;; bol
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2641 ; give-up
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2642 ; (fill-prefix fill-prefix))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2643 ; (if (or (not (setq justify (current-justification)))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2644 ; (null (setq fc (current-fill-column)))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2645 ; (and (eq justify 'left)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2646 ; (<= (current-column) fc))
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
2647 ; (save-excursion (beginning-of-line)
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2648 ; ;; (setq bol (point))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2649 ; (and auto-fill-inhibit-regexp
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2650 ; (looking-at auto-fill-inhibit-regexp))))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2651 ; nil ;; Auto-filling not required
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2652 ; (if (memq justify '(full center right))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2653 ; (save-excursion (unjustify-current-line)))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2654
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2655 ; ;; Choose a fill-prefix automatically.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2656 ; (if (and adaptive-fill-mode
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2657 ; (or (null fill-prefix) (string= fill-prefix "")))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2658 ; (let ((prefix
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2659 ; (fill-context-prefix
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2660 ; (save-excursion (backward-paragraph 1) (point))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2661 ; (save-excursion (forward-paragraph 1) (point))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2662 ; ;; Don't accept a non-whitespace fill prefix
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2663 ; ;; from the first line of a paragraph.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2664 ; "^[ \t]*$")))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2665 ; (and prefix (not (equal prefix ""))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2666 ; (setq fill-prefix prefix))))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2667
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2668 ; (while (and (not give-up) (> (current-column) fc))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2669 ; ;; Determine where to split the line.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2670 ; (let ((fill-point
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2671 ; (let ((opoint (point))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2672 ; bounce
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2673 ; (first t))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2674 ; (save-excursion
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2675 ; (move-to-column (1+ fc))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2676 ; ;; Move back to a word boundary.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2677 ; (while (or first
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2678 ; ;; If this is after period and a single space,
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2679 ; ;; move back once more--we don't want to break
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2680 ; ;; the line there and make it look like a
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2681 ; ;; sentence end.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2682 ; (and (not (bobp))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2683 ; (not bounce)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2684 ; sentence-end-double-space
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2685 ; (save-excursion (forward-char -1)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2686 ; (and (looking-at "\\. ")
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2687 ; (not (looking-at "\\. "))))))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2688 ; (setq first nil)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2689 ; (skip-chars-backward "^ \t\n")
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2690 ; ;; If we find nowhere on the line to break it,
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2691 ; ;; break after one word. Set bounce to t
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2692 ; ;; so we will not keep going in this while loop.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2693 ; (if (bolp)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2694 ; (progn
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2695 ; (re-search-forward "[ \t]" opoint t)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2696 ; (setq bounce t)))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2697 ; (skip-chars-backward " \t"))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2698 ; ;; Let fill-point be set to the place where we end up.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2699 ; (point)))))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2700 ; ;; If that place is not the beginning of the line,
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2701 ; ;; break the line there.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2702 ; (if (save-excursion
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2703 ; (goto-char fill-point)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2704 ; (not (bolp)))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2705 ; (let ((prev-column (current-column)))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2706 ; ;; If point is at the fill-point, do not `save-excursion'.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2707 ; ;; Otherwise, if a comment prefix or fill-prefix is inserted,
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2708 ; ;; point will end up before it rather than after it.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2709 ; (if (save-excursion
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2710 ; (skip-chars-backward " \t")
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2711 ; (= (point) fill-point))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2712 ; (funcall comment-line-break-function t)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2713 ; (save-excursion
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2714 ; (goto-char fill-point)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2715 ; (funcall comment-line-break-function t)))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2716 ; ;; Now do justification, if required
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2717 ; (if (not (eq justify 'left))
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
2718 ; (save-excursion
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2719 ; (end-of-line 0)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2720 ; (justify-current-line justify nil t)))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2721 ; ;; If making the new line didn't reduce the hpos of
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2722 ; ;; the end of the line, then give up now;
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2723 ; ;; trying again will not help.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2724 ; (if (>= (current-column) prev-column)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2725 ; (setq give-up t)))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2726 ; ;; No place to break => stop trying.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2727 ; (setq give-up t))))
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2728 ; ;; Justify last line.
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2729 ; (justify-current-line justify t t)
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
2730 ; t)))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2731
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2732 (defvar normal-auto-fill-function 'do-auto-fill
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2733 "The function to use for `auto-fill-function' if Auto Fill mode is turned on.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2734 Some major modes set this.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2735
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2736 (defun auto-fill-mode (&optional arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2737 "Toggle auto-fill mode.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2738 With arg, turn auto-fill mode on if and only if arg is positive.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2739 In Auto-Fill mode, inserting a space at a column beyond `current-fill-column'
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2740 automatically breaks the line at a previous space.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2741
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2742 The value of `normal-auto-fill-function' specifies the function to use
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2743 for `auto-fill-function' when turning Auto Fill mode on."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2744 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2745 (prog1 (setq auto-fill-function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2746 (if (if (null arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2747 (not auto-fill-function)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2748 (> (prefix-numeric-value arg) 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2749 normal-auto-fill-function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2750 nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2751 (redraw-modeline)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2752
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2753 ;; This holds a document string used to document auto-fill-mode.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2754 (defun auto-fill-function ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2755 "Automatically break line at a previous space, in insertion of text."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2756 nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2757
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2758 (defun turn-on-auto-fill ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2759 "Unconditionally turn on Auto Fill mode."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2760 (auto-fill-mode 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2761
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2762 (defun set-fill-column (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2763 "Set `fill-column' to specified argument.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2764 Just \\[universal-argument] as argument means to use the current column
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2765 The variable `fill-column' has a separate value for each buffer."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2766 (interactive "_P") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2767 (cond ((integerp arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2768 (setq fill-column arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2769 ((consp arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2770 (setq fill-column (current-column)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2771 ;; Disallow missing argument; it's probably a typo for C-x C-f.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2772 (t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2773 (error "set-fill-column requires an explicit argument")))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
2774 (lmessage 'command "fill-column set to %d" fill-column))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2775
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2776 (defcustom comment-multi-line t ; XEmacs - this works well with adaptive fill
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2777 "*Non-nil means \\[indent-new-comment-line] should continue same comment
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2778 on new line, with no new terminator or starter.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2779 This is obsolete because you might as well use \\[newline-and-indent]."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2780 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2781 :group 'fill-comments)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2782
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2783 (defun indent-new-comment-line (&optional soft)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2784 "Break line at point and indent, continuing comment if within one.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2785 This indents the body of the continued comment
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2786 under the previous comment line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2787
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2788 This command is intended for styles where you write a comment per line,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2789 starting a new comment (and terminating it if necessary) on each line.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2790 If you want to continue one comment across several lines, use \\[newline-and-indent].
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2791
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2792 If a fill column is specified, it overrides the use of the comment column
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2793 or comment indentation.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2794
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
2795 The inserted newline is marked hard if `use-hard-newlines' is true,
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2796 unless optional argument SOFT is non-nil."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2797 (interactive)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2798 (let (comcol comstart)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2799 (skip-chars-backward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2800 ;; 97/3/14 jhod: Kinsoku processing
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2801 (if (featurep 'mule)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2802 (kinsoku-process))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2803 (delete-region (point)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2804 (progn (skip-chars-forward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2805 (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2806 (if soft (insert ?\n) (newline 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2807 (if fill-prefix
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2808 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2809 (indent-to-left-margin)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2810 (insert fill-prefix))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2811 ;; #### - Eric Eide reverts to v18 semantics for this function in
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2812 ;; fa-extras, which I'm not gonna do. His changes are to (1) execute
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2813 ;; the save-excursion below unconditionally, and (2) uncomment the check
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
2814 ;; for (not comment-multi-line) further below. --Stig
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
2815 ;;#### jhod: probably need to fix this for kinsoku processing
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2816 (if (not comment-multi-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2817 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2818 (if (and comment-start-skip
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2819 (let ((opoint (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2820 (forward-line -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2821 (re-search-forward comment-start-skip opoint t)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2822 ;; The old line is a comment.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2823 ;; Set WIN to the pos of the comment-start.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2824 ;; But if the comment is empty, look at preceding lines
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2825 ;; to find one that has a nonempty comment.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2826
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2827 ;; If comment-start-skip contains a \(...\) pair,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2828 ;; the real comment delimiter starts at the end of that pair.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2829 (let ((win (or (match-end 1) (match-beginning 0))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2830 (while (and (eolp) (not (bobp))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2831 (let (opoint)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2832 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2833 (setq opoint (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2834 (forward-line -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2835 (re-search-forward comment-start-skip opoint t)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2836 (setq win (or (match-end 1) (match-beginning 0))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2837 ;; Indent this line like what we found.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2838 (goto-char win)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2839 (setq comcol (current-column))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2840 (setq comstart
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2841 (buffer-substring (point) (match-end 0)))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2842 (if (and comcol (not fill-prefix)) ; XEmacs - (ENE) from fa-extras.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2843 (let ((comment-column comcol)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2844 (comment-start comstart)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2845 (comment-end comment-end))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2846 (and comment-end (not (equal comment-end ""))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2847 ; (if (not comment-multi-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2848 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2849 (forward-char -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2850 (insert comment-end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2851 (forward-char 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2852 ; (setq comment-column (+ comment-column (length comment-start))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2853 ; comment-start "")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2854 ; )
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2855 )
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2856 (if (not (eolp))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2857 (setq comment-end ""))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2858 (insert ?\n)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2859 (forward-char -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2860 (indent-for-comment)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2861 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2862 ;; Make sure we delete the newline inserted above.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2863 (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2864 (delete-char 1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2865 (indent-according-to-mode)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2866
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2867
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2868 (defun set-selective-display (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2869 "Set `selective-display' to ARG; clear it if no arg.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2870 When the value of `selective-display' is a number > 0,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2871 lines whose indentation is >= that value are not displayed.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2872 The variable `selective-display' has a separate value for each buffer."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2873 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2874 (if (eq selective-display t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2875 (error "selective-display already in use for marked lines"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2876 (let ((current-vpos
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2877 (save-restriction
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2878 (narrow-to-region (point-min) (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2879 (goto-char (window-start))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2880 (vertical-motion (window-height)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2881 (setq selective-display
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2882 (and arg (prefix-numeric-value arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2883 (recenter current-vpos))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2884 (set-window-start (selected-window) (window-start (selected-window)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2885 ;; #### doesn't localize properly:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2886 (princ "selective-display set to " t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2887 (prin1 selective-display t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2888 (princ "." t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2889
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2890 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2891 (defun nuke-selective-display ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2892 "Ensure that the buffer is not in selective-display mode.
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
2893 If `selective-display' is t, then restore the buffer text to its original
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
2894 state before disabling selective display."
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2895 ;; by Stig@hackvan.com
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2896 (interactive)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2897 (and (eq t selective-display)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2898 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2899 (save-restriction
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2900 (widen)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2901 (goto-char (point-min))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2902 (let ((mod-p (buffer-modified-p))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2903 (buffer-read-only nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2904 (while (search-forward "\r" nil t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2905 (delete-char -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2906 (insert "\n"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2907 (set-buffer-modified-p mod-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2908 ))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2909 (setq selective-display nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2910
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2911 (add-hook 'change-major-mode-hook 'nuke-selective-display)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2912
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2913 (defconst overwrite-mode-textual (purecopy " Ovwrt")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2914 "The string displayed in the mode line when in overwrite mode.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2915 (defconst overwrite-mode-binary (purecopy " Bin Ovwrt")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2916 "The string displayed in the mode line when in binary overwrite mode.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2917
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2918 (defun overwrite-mode (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2919 "Toggle overwrite mode.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2920 With arg, turn overwrite mode on iff arg is positive.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2921 In overwrite mode, printing characters typed in replace existing text
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2922 on a one-for-one basis, rather than pushing it to the right. At the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2923 end of a line, such characters extend the line. Before a tab,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2924 such characters insert until the tab is filled in.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2925 \\[quoted-insert] still inserts characters in overwrite mode; this
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2926 is supposed to make it easier to insert characters when necessary."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2927 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2928 (setq overwrite-mode
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2929 (if (if (null arg) (not overwrite-mode)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2930 (> (prefix-numeric-value arg) 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2931 'overwrite-mode-textual))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2932 (redraw-modeline))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2933
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2934 (defun binary-overwrite-mode (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2935 "Toggle binary overwrite mode.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2936 With arg, turn binary overwrite mode on iff arg is positive.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2937 In binary overwrite mode, printing characters typed in replace
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2938 existing text. Newlines are not treated specially, so typing at the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2939 end of a line joins the line to the next, with the typed character
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2940 between them. Typing before a tab character simply replaces the tab
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2941 with the character typed.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2942 \\[quoted-insert] replaces the text at the cursor, just as ordinary
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2943 typing characters do.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2944
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2945 Note that binary overwrite mode is not its own minor mode; it is a
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2946 specialization of overwrite-mode, entered by setting the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2947 `overwrite-mode' variable to `overwrite-mode-binary'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2948 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2949 (setq overwrite-mode
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2950 (if (if (null arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2951 (not (eq overwrite-mode 'overwrite-mode-binary))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2952 (> (prefix-numeric-value arg) 0))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2953 'overwrite-mode-binary))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2954 (redraw-modeline))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2955
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2956 (defcustom line-number-mode nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2957 "*Non-nil means display line number in modeline."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2958 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2959 :group 'editing-basics)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2960
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2961 (defun line-number-mode (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2962 "Toggle Line Number mode.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2963 With arg, turn Line Number mode on iff arg is positive.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2964 When Line Number mode is enabled, the line number appears
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2965 in the mode line."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2966 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2967 (setq line-number-mode
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2968 (if (null arg) (not line-number-mode)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2969 (> (prefix-numeric-value arg) 0)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2970 (redraw-modeline))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2971
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2972 (defcustom column-number-mode nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2973 "*Non-nil means display column number in mode line."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2974 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2975 :group 'editing-basics)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2976
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2977 (defun column-number-mode (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2978 "Toggle Column Number mode.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2979 With arg, turn Column Number mode on iff arg is positive.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2980 When Column Number mode is enabled, the column number appears
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2981 in the mode line."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2982 (interactive "P")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2983 (setq column-number-mode
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2984 (if (null arg) (not column-number-mode)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2985 (> (prefix-numeric-value arg) 0)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2986 (redraw-modeline))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2987
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2988
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2989 (defcustom blink-matching-paren t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2990 "*Non-nil means show matching open-paren when close-paren is inserted."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2991 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2992 :group 'paren-blinking)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2993
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2994 (defcustom blink-matching-paren-on-screen t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2995 "*Non-nil means show matching open-paren when it is on screen.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2996 nil means don't show it (but the open-paren can still be shown
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2997 when it is off screen."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2998 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
2999 :group 'paren-blinking)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3000
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3001 (defcustom blink-matching-paren-distance 12000
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3002 "*If non-nil, is maximum distance to search for matching open-paren."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3003 :type '(choice integer (const nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3004 :group 'paren-blinking)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3005
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3006 (defcustom blink-matching-delay 1
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3007 "*The number of seconds that `blink-matching-open' will delay at a match."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3008 :type 'number
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3009 :group 'paren-blinking)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3010
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3011 (defcustom blink-matching-paren-dont-ignore-comments nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3012 "*Non-nil means `blink-matching-paren' should not ignore comments."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3013 :type 'boolean
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3014 :group 'paren-blinking)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3015
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3016 (defun blink-matching-open ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3017 "Move cursor momentarily to the beginning of the sexp before point."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3018 (interactive "_") ; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3019 (and (> (point) (1+ (point-min)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3020 blink-matching-paren
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3021 ;; Verify an even number of quoting characters precede the close.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3022 (= 1 (logand 1 (- (point)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3023 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3024 (forward-char -1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3025 (skip-syntax-backward "/\\")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3026 (point)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3027 (let* ((oldpos (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3028 (blinkpos)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3029 (mismatch))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3030 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3031 (save-restriction
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3032 (if blink-matching-paren-distance
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3033 (narrow-to-region (max (point-min)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3034 (- (point) blink-matching-paren-distance))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3035 oldpos))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3036 (condition-case ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3037 (let ((parse-sexp-ignore-comments
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3038 (and parse-sexp-ignore-comments
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3039 (not blink-matching-paren-dont-ignore-comments))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3040 (setq blinkpos (scan-sexps oldpos -1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3041 (error nil)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3042 (and blinkpos
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3043 (/= (char-syntax (char-after blinkpos))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3044 ?\$)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3045 (setq mismatch
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3046 (or (null (matching-paren (char-after blinkpos)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3047 (/= (char-after (1- oldpos))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3048 (matching-paren (char-after blinkpos))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3049 (if mismatch (setq blinkpos nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3050 (if blinkpos
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3051 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3052 (goto-char blinkpos)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3053 (if (pos-visible-in-window-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3054 (and blink-matching-paren-on-screen
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3055 (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3056 (auto-show-make-point-visible)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3057 (sit-for blink-matching-delay)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3058 (goto-char blinkpos)
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3059 (lmessage 'command "Matches %s"
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3060 ;; Show what precedes the open in its line, if anything.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3061 (if (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3062 (skip-chars-backward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3063 (not (bolp)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3064 (buffer-substring (progn (beginning-of-line) (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3065 (1+ blinkpos))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3066 ;; Show what follows the open in its line, if anything.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3067 (if (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3068 (forward-char 1)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3069 (skip-chars-forward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3070 (not (eolp)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3071 (buffer-substring blinkpos
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3072 (progn (end-of-line) (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3073 ;; Otherwise show the previous nonblank line,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3074 ;; if there is one.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3075 (if (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3076 (skip-chars-backward "\n \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3077 (not (bobp)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3078 (concat
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3079 (buffer-substring (progn
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3080 (skip-chars-backward "\n \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3081 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3082 (point))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3083 (progn (end-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3084 (skip-chars-backward " \t")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3085 (point)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3086 ;; Replace the newline and other whitespace with `...'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3087 "..."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3088 (buffer-substring blinkpos (1+ blinkpos)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3089 ;; There is nothing to show except the char itself.
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3090 (buffer-substring blinkpos (1+ blinkpos))))))))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3091 (cond (mismatch
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3092 (display-message 'no-log "Mismatched parentheses"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3093 ((not blink-matching-paren-distance)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3094 (display-message 'no-log "Unmatched parenthesis"))))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3095
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3096 ;Turned off because it makes dbx bomb out.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3097 (setq blink-paren-function 'blink-matching-open)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3098
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3099 (eval-when-compile (defvar myhelp)) ; suppress compiler warning
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3100
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3101 ;; XEmacs: Some functions moved to cmdloop.el:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3102 ;; keyboard-quit
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3103 ;; buffer-quit-function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3104 ;; keyboard-escape-quit
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3105
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3106 (defun assoc-ignore-case (key alist)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3107 "Like `assoc', but assumes KEY is a string and ignores case when comparing."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3108 (setq key (downcase key))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3109 (let (element)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3110 (while (and alist (not element))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3111 (if (equal key (downcase (car (car alist))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3112 (setq element (car alist)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3113 (setq alist (cdr alist)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3114 element))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3115
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3116
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3117 (defcustom mail-user-agent 'sendmail-user-agent
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3118 "*Your preference for a mail composition package.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3119 Various Emacs Lisp packages (e.g. reporter) require you to compose an
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3120 outgoing email message. This variable lets you specify which
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3121 mail-sending package you prefer.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3122
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3123 Valid values include:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3124
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3125 sendmail-user-agent -- use the default Emacs Mail package
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3126 mh-e-user-agent -- use the Emacs interface to the MH mail system
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3127 message-user-agent -- use the GNUS mail sending package
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3128
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3129 Additional valid symbols may be available; check with the author of
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3130 your package for details."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3131 :type '(radio (function-item :tag "Default Emacs mail"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3132 :format "%t\n"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3133 sendmail-user-agent)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3134 (function-item :tag "Gnus mail sending package"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3135 :format "%t\n"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3136 message-user-agent)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3137 (function :tag "Other"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3138 :group 'mail)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3139
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3140 (defun define-mail-user-agent (symbol composefunc sendfunc
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3141 &optional abortfunc hookvar)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3142 "Define a symbol to identify a mail-sending package for `mail-user-agent'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3143
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3144 SYMBOL can be any Lisp symbol. Its function definition and/or
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3145 value as a variable do not matter for this usage; we use only certain
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3146 properties on its property list, to encode the rest of the arguments.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3147
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3148 COMPOSEFUNC is program callable function that composes an outgoing
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3149 mail message buffer. This function should set up the basics of the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3150 buffer without requiring user interaction. It should populate the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3151 standard mail headers, leaving the `to:' and `subject:' headers blank
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3152 by default.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3153
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3154 COMPOSEFUNC should accept several optional arguments--the same
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3155 arguments that `compose-mail' takes. See that function's documentation.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3156
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3157 SENDFUNC is the command a user would run to send the message.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3158
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3159 Optional ABORTFUNC is the command a user would run to abort the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3160 message. For mail packages that don't have a separate abort function,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3161 this can be `kill-buffer' (the equivalent of omitting this argument).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3162
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3163 Optional HOOKVAR is a hook variable that gets run before the message
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3164 is actually sent. Callers that use the `mail-user-agent' may
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3165 install a hook function temporarily on this hook variable.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3166 If HOOKVAR is nil, `mail-send-hook' is used.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3167
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3168 The properties used on SYMBOL are `composefunc', `sendfunc',
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3169 `abortfunc', and `hookvar'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3170 (put symbol 'composefunc composefunc)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3171 (put symbol 'sendfunc sendfunc)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3172 (put symbol 'abortfunc (or abortfunc 'kill-buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3173 (put symbol 'hookvar (or hookvar 'mail-send-hook)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3174
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3175 (define-mail-user-agent 'sendmail-user-agent
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3176 'sendmail-user-agent-compose 'mail-send-and-exit)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3177
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3178 (define-mail-user-agent 'message-user-agent
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3179 'message-mail 'message-send-and-exit
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3180 'message-kill-buffer 'message-send-hook)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3181
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3182 (defun sendmail-user-agent-compose (&optional to subject other-headers continue
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3183 switch-function yank-action
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3184 send-actions)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3185 (if switch-function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3186 (let ((special-display-buffer-names nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3187 (special-display-regexps nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3188 (same-window-buffer-names nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3189 (same-window-regexps nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3190 (funcall switch-function "*mail*")))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3191 (let ((cc (cdr (assoc-ignore-case "cc" other-headers)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3192 (in-reply-to (cdr (assoc-ignore-case "in-reply-to" other-headers))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3193 (or (mail continue to subject in-reply-to cc yank-action send-actions)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3194 continue
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3195 (error "Message aborted"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3196 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3197 (goto-char (point-min))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3198 (search-forward mail-header-separator)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3199 (beginning-of-line)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3200 (while other-headers
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3201 (if (not (member (car (car other-headers)) '("in-reply-to" "cc")))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3202 (insert (car (car other-headers)) ": "
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3203 (cdr (car other-headers)) "\n"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3204 (setq other-headers (cdr other-headers)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3205 t)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3206
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3207 (define-mail-user-agent 'mh-e-user-agent
239
41f2f0e326e9 Import from CVS: tag r20-5b18
cvs
parents: 235
diff changeset
3208 'mh-user-agent-compose 'mh-send-letter 'mh-fully-kill-draft
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3209 'mh-before-send-letter-hook)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3210
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3211 (defun compose-mail (&optional to subject other-headers continue
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3212 switch-function yank-action send-actions)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3213 "Start composing a mail message to send.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3214 This uses the user's chosen mail composition package
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3215 as selected with the variable `mail-user-agent'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3216 The optional arguments TO and SUBJECT specify recipients
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3217 and the initial Subject field, respectively.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3218
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3219 OTHER-HEADERS is an alist specifying additional
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3220 header fields. Elements look like (HEADER . VALUE) where both
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3221 HEADER and VALUE are strings.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3222
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3223 CONTINUE, if non-nil, says to continue editing a message already
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3224 being composed.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3225
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3226 SWITCH-FUNCTION, if non-nil, is a function to use to
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3227 switch to and display the buffer used for mail composition.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3228
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3229 YANK-ACTION, if non-nil, is an action to perform, if and when necessary,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3230 to insert the raw text of the message being replied to.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3231 It has the form (FUNCTION . ARGS). The user agent will apply
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3232 FUNCTION to ARGS, to insert the raw text of the original message.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3233 \(The user agent will also run `mail-citation-hook', *after* the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3234 original text has been inserted in this way.)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3235
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3236 SEND-ACTIONS is a list of actions to call when the message is sent.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3237 Each action has the form (FUNCTION . ARGS)."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3238 (interactive
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3239 (list nil nil nil current-prefix-arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3240 (let ((function (get mail-user-agent 'composefunc)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3241 (funcall function to subject other-headers continue
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3242 switch-function yank-action send-actions)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3243
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3244 (defun compose-mail-other-window (&optional to subject other-headers continue
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3245 yank-action send-actions)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3246 "Like \\[compose-mail], but edit the outgoing message in another window."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3247 (interactive
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3248 (list nil nil nil current-prefix-arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3249 (compose-mail to subject other-headers continue
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3250 'switch-to-buffer-other-window yank-action send-actions))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3251
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3252
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3253 (defun compose-mail-other-frame (&optional to subject other-headers continue
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3254 yank-action send-actions)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3255 "Like \\[compose-mail], but edit the outgoing message in another frame."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3256 (interactive
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3257 (list nil nil nil current-prefix-arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3258 (compose-mail to subject other-headers continue
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3259 'switch-to-buffer-other-frame yank-action send-actions))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3260
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3261
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3262 (defun set-variable (var val)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3263 "Set VARIABLE to VALUE. VALUE is a Lisp object.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3264 When using this interactively, supply a Lisp expression for VALUE.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3265 If you want VALUE to be a string, you must surround it with doublequotes.
267
966663fcf606 Import from CVS: tag r20-5b32
cvs
parents: 265
diff changeset
3266 If VARIABLE is a specifier, VALUE is added to it as an instantiator in
966663fcf606 Import from CVS: tag r20-5b32
cvs
parents: 265
diff changeset
3267 the 'global locale with nil tag set (see `set-specifier').
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3268
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3269 If VARIABLE has a `variable-interactive' property, that is used as if
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3270 it were the arg to `interactive' (which see) to interactively read the value."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3271 (interactive
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3272 (let* ((var (read-variable "Set variable: "))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3273 ;; #### - yucky code replication here. This should use something
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
3274 ;; from help.el or hyper-apropos.el
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3275 (minibuffer-help-form
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3276 '(funcall myhelp))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3277 (myhelp
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3278 #'(lambda ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3279 (with-output-to-temp-buffer "*Help*"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3280 (prin1 var)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3281 (princ "\nDocumentation:\n")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3282 (princ (substring (documentation-property var 'variable-documentation)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3283 1))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3284 (if (boundp var)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3285 (let ((print-length 20))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3286 (princ "\n\nCurrent value: ")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3287 (prin1 (symbol-value var))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3288 (save-excursion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3289 (set-buffer standard-output)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3290 (help-mode))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3291 nil))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3292 (list var
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3293 (let ((prop (get var 'variable-interactive)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3294 (if prop
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3295 ;; Use VAR's `variable-interactive' property
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3296 ;; as an interactive spec for prompting.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3297 (call-interactively (list 'lambda '(arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3298 (list 'interactive prop)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3299 'arg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3300 (eval-minibuffer (format "Set %s to value: " var)))))))
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
3301 (if (and (boundp var) (specifierp (symbol-value var)))
267
966663fcf606 Import from CVS: tag r20-5b32
cvs
parents: 265
diff changeset
3302 (set-specifier (symbol-value var) val)
966663fcf606 Import from CVS: tag r20-5b32
cvs
parents: 265
diff changeset
3303 (set var val)))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3304
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3305 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3306 (defun activate-region ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3307 "Activate the region, if `zmacs-regions' is true.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3308 Setting `zmacs-regions' to true causes LISPM-style active regions to be used.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3309 This function has no effect if `zmacs-regions' is false."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3310 (interactive)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3311 (and zmacs-regions (zmacs-activate-region)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3312
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3313 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3314 (defsubst region-exists-p ()
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
3315 "Return t if the region exists.
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3316 If active regions are in use (i.e. `zmacs-regions' is true), this means that
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3317 the region is active. Otherwise, this means that the user has pushed
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3318 a mark in this buffer at some point in the past.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3319 The functions `region-beginning' and `region-end' can be used to find the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3320 limits of the region."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3321 (not (null (mark))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3322
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3323 ;; XEmacs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3324 (defun region-active-p ()
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
3325 "Return non-nil if the region is active.
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3326 If `zmacs-regions' is true, this is equivalent to `region-exists-p'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3327 Otherwise, this function always returns false."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3328 (and zmacs-regions zmacs-region-extent))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3329
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3330 ;; A bunch of stuff was moved elsewhere:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3331 ;; completion-list-mode-map
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3332 ;; completion-reference-buffer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3333 ;; completion-base-size
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3334 ;; delete-completion-window
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3335 ;; previous-completion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3336 ;; next-completion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3337 ;; choose-completion
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3338 ;; choose-completion-delete-max-match
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3339 ;; choose-completion-string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3340 ;; completion-list-mode
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3341 ;; completion-fixup-function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3342 ;; completion-setup-function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3343 ;; switch-to-completions
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3344 ;; event stuffs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3345 ;; keypad stuffs
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3346
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3347 ;; The rest of this file is not in Lisp in FSF
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3348 (defun capitalize-region-or-word (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3349 "Capitalize the selected region or the following word (or ARG words)."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3350 (interactive "p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3351 (if (region-active-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3352 (capitalize-region (region-beginning) (region-end))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3353 (capitalize-word arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3354
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3355 (defun upcase-region-or-word (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3356 "Upcase the selected region or the following word (or ARG words)."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3357 (interactive "p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3358 (if (region-active-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3359 (upcase-region (region-beginning) (region-end))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3360 (upcase-word arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3361
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3362 (defun downcase-region-or-word (arg)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3363 "Downcase the selected region or the following word (or ARG words)."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3364 (interactive "p")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3365 (if (region-active-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3366 (downcase-region (region-beginning) (region-end))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3367 (downcase-word arg)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3368
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
3369 ;; Most of the zmacs code is now in elisp. The only thing left in C
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
3370 ;; are the variables zmacs-regions, zmacs-region-active-p and
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
3371 ;; zmacs-region-stays plus the function zmacs_update_region which
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
3372 ;; simply calls the lisp level zmacs-update-region. It must remain
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
3373 ;; for convenience, since it is called by core C code.
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3374
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3375 (defvar zmacs-activate-region-hook nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3376 "Function or functions called when the region becomes active;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3377 see the variable `zmacs-regions'.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3378
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3379 (defvar zmacs-deactivate-region-hook nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3380 "Function or functions called when the region becomes inactive;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3381 see the variable `zmacs-regions'.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3382
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3383 (defvar zmacs-update-region-hook nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3384 "Function or functions called when the active region changes.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3385 This is called after each command that sets `zmacs-region-stays' to t.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3386 See the variable `zmacs-regions'.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3387
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3388 (defvar zmacs-region-extent nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3389 "The extent of the zmacs region; don't use this.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3390
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3391 (defvar zmacs-region-rectangular-p nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3392 "Whether the zmacs region is a rectangle; don't use this.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3393
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3394 (defun zmacs-make-extent-for-region (region)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3395 ;; Given a region, this makes an extent in the buffer which holds that
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3396 ;; region, for highlighting purposes. If the region isn't associated
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3397 ;; with a buffer, this does nothing.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3398 (let ((buffer nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3399 (valid (and (extentp zmacs-region-extent)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3400 (extent-object zmacs-region-extent)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3401 (buffer-live-p (extent-object zmacs-region-extent))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3402 start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3403 (cond ((consp region)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3404 (setq start (min (car region) (cdr region))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3405 end (max (car region) (cdr region))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3406 valid (and valid
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3407 (eq (marker-buffer (car region))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3408 (extent-object zmacs-region-extent)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3409 buffer (marker-buffer (car region))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3410 (t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3411 (signal 'error (list "Invalid region" region))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3412
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3413 (if valid
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3414 nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3415 ;; The condition case is in case any of the extents are dead or
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3416 ;; otherwise incapacitated.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3417 (condition-case ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3418 (if (listp zmacs-region-extent)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3419 (mapc 'delete-extent zmacs-region-extent)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3420 (delete-extent zmacs-region-extent))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3421 (error nil)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3422
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3423 (if valid
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3424 (set-extent-endpoints zmacs-region-extent start end)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3425 (setq zmacs-region-extent (make-extent start end buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3426
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3427 ;; Make the extent be closed on the right, which means that if
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3428 ;; characters are inserted exactly at the end of the extent, the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3429 ;; extent will grow to cover them. This is important for shell
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3430 ;; buffers - suppose one makes a region, and one end is at point-max.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3431 ;; If the shell produces output, that marker will remain at point-max
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3432 ;; (its position will increase). So it's important that the extent
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3433 ;; exhibit the same behavior, lest the region covered by the extent
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3434 ;; (the visual indication), and the region between point and mark
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3435 ;; (the actual region value) become different!
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3436 (set-extent-property zmacs-region-extent 'end-open nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3437
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3438 ;; use same priority as mouse-highlighting so that conflicts between
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3439 ;; the region extent and a mouse-highlighted extent are resolved by
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3440 ;; the usual size-and-endpoint-comparison method.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3441 (set-extent-priority zmacs-region-extent mouse-highlight-priority)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3442 (set-extent-face zmacs-region-extent 'zmacs-region)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3443
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3444 ;; #### It might be better to actually break
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3445 ;; default-mouse-track-next-move-rect out of mouse.el so that we
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3446 ;; can use its logic here.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3447 (cond
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3448 (zmacs-region-rectangular-p
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3449 (setq zmacs-region-extent (list zmacs-region-extent))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3450 (default-mouse-track-next-move-rect start end zmacs-region-extent)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3451 ))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3452
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3453 zmacs-region-extent)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3454
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3455 (defun zmacs-region-buffer ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3456 "Return the buffer containing the zmacs region, or nil."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3457 ;; #### this is horrible and kludgy! This stuff needs to be rethought.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3458 (and zmacs-regions zmacs-region-active-p
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3459 (or (marker-buffer (mark-marker t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3460 (and (extent-live-p zmacs-region-extent)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3461 (buffer-live-p (extent-object zmacs-region-extent))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3462 (extent-object zmacs-region-extent)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3463
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3464 (defun zmacs-activate-region ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3465 "Make the region between `point' and `mark' be active (highlighted),
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3466 if `zmacs-regions' is true. Only a very small number of commands
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3467 should ever do this. Calling this function will call the hook
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3468 `zmacs-activate-region-hook', if the region was previously inactive.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3469 Calling this function ensures that the region stays active after the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3470 current command terminates, even if `zmacs-region-stays' is not set.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3471 Returns t if the region was activated (i.e. if `zmacs-regions' if t)."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3472 (if (not zmacs-regions)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3473 nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3474 (setq zmacs-region-active-p t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3475 zmacs-region-stays t
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3476 zmacs-region-rectangular-p (and (boundp 'mouse-track-rectangle-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3477 mouse-track-rectangle-p))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3478 (if (marker-buffer (mark-marker t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3479 (zmacs-make-extent-for-region (cons (point-marker t) (mark-marker t))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3480 (run-hooks 'zmacs-activate-region-hook)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3481 t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3482
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3483 (defun zmacs-deactivate-region ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3484 "Make the region between `point' and `mark' no longer be active,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3485 if `zmacs-regions' is true. You shouldn't need to call this; the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3486 command loop calls it when appropriate. Calling this function will
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3487 call the hook `zmacs-deactivate-region-hook', if the region was
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3488 previously active. Returns t if the region had been active, nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3489 otherwise."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3490 (if (not zmacs-region-active-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3491 nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3492 (setq zmacs-region-active-p nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3493 zmacs-region-stays nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3494 zmacs-region-rectangular-p nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3495 (if zmacs-region-extent
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3496 (let ((inhibit-quit t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3497 (if (listp zmacs-region-extent)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3498 (mapc 'delete-extent zmacs-region-extent)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3499 (delete-extent zmacs-region-extent))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3500 (setq zmacs-region-extent nil)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3501 (run-hooks 'zmacs-deactivate-region-hook)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3502 t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3503
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3504 (defun zmacs-update-region ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3505 "Update the highlighted region between `point' and `mark'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3506 You shouldn't need to call this; the command loop calls it
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3507 when appropriate. Calling this function will call the hook
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3508 `zmacs-update-region-hook', if the region is active."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3509 (when zmacs-region-active-p
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3510 (when (marker-buffer (mark-marker t))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3511 (zmacs-make-extent-for-region (cons (point-marker t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3512 (mark-marker t))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3513 (run-hooks 'zmacs-update-region-hook)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3514
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3515 ;;;;;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3516 ;;;;;; echo area stuff
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3517 ;;;;;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3518
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3519 ;;; #### Should this be moved to a separate file, for clarity?
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3520 ;;; -hniksic
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3521
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3522 ;;; The `message-stack' is an alist of labels with messages; the first
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3523 ;;; message in this list is always in the echo area. A call to
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3524 ;;; `display-message' inserts a label/message pair at the head of the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3525 ;;; list, and removes any other pairs with that label. Calling
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3526 ;;; `clear-message' causes any pair with matching label to be removed,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3527 ;;; and this may cause the displayed message to change or vanish. If
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3528 ;;; the label arg is nil, the entire message stack is cleared.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3529 ;;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3530 ;;; Message/error filtering will be a little tricker to implement than
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3531 ;;; logging, since messages can be built up incrementally
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3532 ;;; using clear-message followed by repeated calls to append-message
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3533 ;;; (this happens with error messages). For messages which aren't
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3534 ;;; created this way, filtering could be implemented at display-message
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3535 ;;; very easily.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3536 ;;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3537 ;;; Bits of the logging code are borrowed from log-messages.el by
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3538 ;;; Robert Potter (rpotter@grip.cis.upenn.edu).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3539
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3540 ;; need this to terminate the currently-displayed message
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3541 ;; ("Loading simple ...")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3542 (when (and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3543 (not (fboundp 'display-message))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3544 (not (featurep 'debug)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3545 (send-string-to-terminal "\n"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3546
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3547 (defvar message-stack nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3548 "An alist of label/string pairs representing active echo-area messages.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3549 The first element in the list is currently displayed in the echo area.
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
3550 Do not modify this directly--use the `message' or
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3551 `display-message'/`clear-message' functions.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3552
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3553 (defvar remove-message-hook 'log-message
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3554 "A function or list of functions to be called when a message is removed
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3555 from the echo area at the bottom of the frame. The label of the removed
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3556 message is passed as the first argument, and the text of the message
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3557 as the second argument.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3558
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3559 (defcustom log-message-max-size 50000
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3560 "Maximum size of the \" *Message-Log*\" buffer. See `log-message'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3561 :type 'integer
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3562 :group 'log-message)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3563 (make-compatible-variable 'message-log-max 'log-message-max-size)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3564
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3565 ;; We used to reject quite a lot of stuff here, but it was a bad idea,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3566 ;; for two reasons:
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3567 ;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3568 ;; a) In most circumstances, you *want* to see the message in the log.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3569 ;; The explicitly non-loggable messages should be marked as such by
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3570 ;; the issuer. Gratuitous non-displaying of random regexps made
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3571 ;; debugging harder, too (because various reasonable debugging
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3572 ;; messages would get eaten).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3573 ;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3574 ;; b) It slowed things down. Yes, visibly.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3575 ;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3576 ;; So, I left only a few of the really useless ones on this kill-list.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3577 ;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3578 ;; --hniksic
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3579 (defcustom log-message-ignore-regexps
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3580 '(;; Note: adding entries to this list slows down messaging
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3581 ;; significantly. Wherever possible, use message lables.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3582
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3583 ;; Often-seen messages
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3584 "\\`\\'" ; empty message
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3585 "\\`\\(Beginning\\|End\\) of buffer\\'"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3586 ;;"^Quit$"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3587 ;; completions
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3588 ;; Many packages print this -- impossible to categorize
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3589 ;;"^Making completion list"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3590 ;; Gnus
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3591 ;; "^No news is no news$"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3592 ;; "^No more\\( unread\\)? newsgroups$"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3593 ;; "^Opening [^ ]+ server\\.\\.\\."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3594 ;; "^[^:]+: Reading incoming mail"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3595 ;; "^Getting mail from "
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3596 ;; "^\\(Generating Summary\\|Sorting threads\\|Making sparse threads\\|Scoring\\|Checking new news\\|Expiring articles\\|Sending\\)\\.\\.\\."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3597 ;; "^\\(Fetching headers for\\|Retrieving newsgroup\\|Reading active file\\)"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3598 ;; "^No more\\( unread\\)? articles"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3599 ;; "^Deleting article "
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3600 ;; W3
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3601 ;; "^Parsed [0-9]+ of [0-9]+ ([0-9]+%)"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3602 )
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3603 "List of regular expressions matching messages which shouldn't be logged.
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
3604 See `log-message'.
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3605
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3606 Ideally, packages which generate messages which might need to be ignored
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
3607 should label them with 'progress, 'prompt, or 'no-log, so they can be
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3608 filtered by the log-message-ignore-labels."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3609 :type '(repeat regexp)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3610 :group 'log-message)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3611
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
3612 (defcustom log-message-ignore-labels
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3613 '(help-echo command progress prompt no-log garbage-collecting auto-saving)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3614 "List of symbols indicating labels of messages which shouldn't be logged.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3615 See `display-message' for some common labels. See also `log-message'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3616 :type '(repeat (symbol :tag "Label"))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3617 :group 'log-message)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3618
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3619 ;;Subsumed by view-lossage
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3620 ;; Not really, I'm adding it back by popular demand. -slb
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3621 (defun show-message-log ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3622 "Show the \" *Message-Log*\" buffer, which contains old messages and errors."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3623 (interactive)
215
1f0dabaa0855 Import from CVS: tag r20-4b6
cvs
parents: 209
diff changeset
3624 (pop-to-buffer (get-buffer-create " *Message-Log*")))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3625
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3626 (defvar log-message-filter-function 'log-message-filter
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
3627 "Value must be a function of two arguments: a symbol (label) and
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3628 a string (message). It should return non-nil to indicate a message
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3629 should be logged. Possible values include 'log-message-filter and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3630 'log-message-filter-errors-only.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3631
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3632 (defun log-message-filter (label message)
235
85a06df23a9a Import from CVS: tag r20-5b16
cvs
parents: 223
diff changeset
3633 "Default value of `log-message-filter-function'.
85a06df23a9a Import from CVS: tag r20-5b16
cvs
parents: 223
diff changeset
3634 Messages whose text matches one of the `log-message-ignore-regexps'
85a06df23a9a Import from CVS: tag r20-5b16
cvs
parents: 223
diff changeset
3635 or whose label appears in `log-message-ignore-labels' are not saved."
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3636 (let ((r log-message-ignore-regexps)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3637 (ok (not (memq label log-message-ignore-labels))))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3638 (save-match-data
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3639 (while (and r ok)
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3640 (when (string-match (car r) message)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3641 (setq ok nil))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3642 (setq r (cdr r))))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3643 ok))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3644
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3645 (defun log-message-filter-errors-only (label message)
235
85a06df23a9a Import from CVS: tag r20-5b16
cvs
parents: 223
diff changeset
3646 "For use as the `log-message-filter-function'. Only logs error messages."
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3647 (eq label 'error))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3648
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3649 (defun log-message (label message)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3650 "Stuff a copy of the message into the \" *Message-Log*\" buffer,
235
85a06df23a9a Import from CVS: tag r20-5b16
cvs
parents: 223
diff changeset
3651 if it satisfies the `log-message-filter-function'.
85a06df23a9a Import from CVS: tag r20-5b16
cvs
parents: 223
diff changeset
3652
85a06df23a9a Import from CVS: tag r20-5b16
cvs
parents: 223
diff changeset
3653 For use on `remove-message-hook'."
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3654 (when (and (not noninteractive)
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3655 (funcall log-message-filter-function label message))
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3656 ;; Use save-excursion rather than save-current-buffer because we
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3657 ;; change the value of point.
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3658 (save-excursion
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3659 (set-buffer (get-buffer-create " *Message-Log*"))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3660 (goto-char (point-max))
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3661 ;(insert (concat (upcase (symbol-name label)) ": " message "\n"))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3662 (let (extent)
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3663 ;; Mark multiline message with an extent, which `view-lossage'
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3664 ;; will recognize.
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3665 (when (string-match "\n" message)
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3666 (setq extent (make-extent (point) (point)))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3667 (set-extent-properties extent '(end-open nil message-multiline t)))
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3668 (insert message "\n")
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3669 (when extent
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3670 (set-extent-property extent 'end-open t)))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3671 (when (> (point-max) (max log-message-max-size (point-min)))
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3672 ;; Trim log to ~90% of max size.
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3673 (goto-char (max (- (point-max)
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3674 (truncate (* 0.9 log-message-max-size)))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3675 (point-min)))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3676 (forward-line 1)
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3677 (delete-region (point-min) (point))))))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3678
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3679 (defun message-displayed-p (&optional return-string frame)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3680 "Return a non-nil value if a message is presently displayed in the\n\
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3681 minibuffer's echo area. If optional argument RETURN-STRING is non-nil,\n\
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3682 return a string containing the message, otherwise just return t."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3683 ;; by definition, a message is displayed if the echo area buffer is
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3684 ;; non-empty (see also echo_area_active()). It had better also
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3685 ;; be the case that message-stack is nil exactly when the echo area
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3686 ;; is non-empty.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3687 (let ((buffer (get-buffer " *Echo Area*")))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3688 (and (< (point-min buffer) (point-max buffer))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3689 (if return-string
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3690 (buffer-substring nil nil buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3691 t))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3692
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3693 ;;; Returns the string which remains in the echo area, or nil if none.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3694 ;;; If label is nil, the whole message stack is cleared.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3695 (defun clear-message (&optional label frame stdout-p no-restore)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3696 "Remove any message with the given LABEL from the message-stack,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3697 erasing it from the echo area if it's currently displayed there.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3698 If a message remains at the head of the message-stack and NO-RESTORE
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3699 is nil, it will be displayed. The string which remains in the echo
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3700 area will be returned, or nil if the message-stack is now empty.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3701 If LABEL is nil, the entire message-stack is cleared.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3702
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3703 Unless you need the return value or you need to specify a label,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3704 you should just use (message nil)."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3705 (or frame (setq frame (selected-frame)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3706 (let ((clear-stream (and message-stack (eq 'stream (frame-type frame)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3707 (remove-message label frame)
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3708 (let ((inhibit-read-only t)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3709 (zmacs-region-stays zmacs-region-stays)) ; preserve from change
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3710 (erase-buffer " *Echo Area*"))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3711 (if clear-stream
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3712 (send-string-to-terminal ?\n stdout-p))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3713 (if no-restore
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3714 nil ; just preparing to put another msg up
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3715 (if message-stack
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3716 (let ((oldmsg (cdr (car message-stack))))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3717 (raw-append-message oldmsg frame stdout-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3718 oldmsg)
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3719 ;; #### Should we (redisplay-echo-area) here? Messes some
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3720 ;; things up.
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3721 nil))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3722
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3723 (defun remove-message (&optional label frame)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3724 ;; If label is nil, we want to remove all matching messages.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3725 ;; Must reverse the stack first to log them in the right order.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3726 (let ((log nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3727 (while (and message-stack
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3728 (or (null label) ; null label means clear whole stack
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3729 (eq label (car (car message-stack)))))
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3730 (push (car message-stack) log)
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3731 (setq message-stack (cdr message-stack)))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3732 (let ((s message-stack))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3733 (while (cdr s)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3734 (let ((msg (car (cdr s))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3735 (if (eq label (car msg))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3736 (progn
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3737 (push msg log)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3738 (setcdr s (cdr (cdr s))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3739 (setq s (cdr s))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3740 ;; (possibly) log each removed message
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3741 (while log
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3742 (condition-case e
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3743 (run-hook-with-args 'remove-message-hook
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3744 (car (car log)) (cdr (car log)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3745 (error (setq remove-message-hook nil)
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3746 (lwarn 'message-log 'warning
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3747 "Error caught in `remove-message-hook': %s"
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3748 (error-message-string e))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3749 (let ((inhibit-read-only t))
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3750 (erase-buffer " *Echo Area*"))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3751 (signal (car e) (cdr e))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3752 (setq log (cdr log)))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3753
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3754 (defun append-message (label message &optional frame stdout-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3755 (or frame (setq frame (selected-frame)))
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3756 ;; Add a new entry to the message-stack, or modify an existing one
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3757 (let ((top (car message-stack)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3758 (if (eq label (car top))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3759 (setcdr top (concat (cdr top) message))
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3760 (push (cons label message) message-stack)))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3761 (raw-append-message message frame stdout-p))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3762
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3763 ;; Really append the message to the echo area. no fiddling with
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3764 ;; message-stack.
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3765 (defun raw-append-message (message &optional frame stdout-p)
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3766 (unless (equal message "")
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3767 (let ((inhibit-read-only t)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3768 (zmacs-region-stays zmacs-region-stays)) ; preserve from change
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3769 (insert-string message " *Echo Area*")
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3770 ;; Conditionalizing on the device type in this way is not that clean,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3771 ;; but neither is having a device method, as I originally implemented
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3772 ;; it: all non-stream devices behave in the same way. Perhaps
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3773 ;; the cleanest way is to make the concept of a "redisplayable"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3774 ;; device, which stream devices are not. Look into this more if
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3775 ;; we ever create another non-redisplayable device type (e.g.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3776 ;; processes? printers?).
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3777
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3778 ;; Don't redisplay the echo area if we are executing a macro.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3779 (if (not executing-kbd-macro)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3780 (if (eq 'stream (frame-type frame))
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3781 (send-string-to-terminal message stdout-p (frame-device frame))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3782 (redisplay-echo-area))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3783
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3784 (defun display-message (label message &optional frame stdout-p)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3785 "Print a one-line message at the bottom of the frame. First argument
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3786 LABEL is an identifier for this message. MESSAGE is the string to display.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3787 Use `clear-message' to remove a labelled message.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3788
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3789 Here are some standard labels (those marked with `*' are not logged
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3790 by default--see the `log-message-ignore-labels' variable):
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3791 message default label used by the `message' function
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3792 error default label used for reporting errors
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3793 * progress progress indicators like \"Converting... 45%\"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3794 * prompt prompt-like messages like \"I-search: foo\"
223
2c611d1463a6 Import from CVS: tag r20-4b10
cvs
parents: 219
diff changeset
3795 * command helper command messages like \"Mark set\"
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3796 * no-log messages that should never be logged"
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3797 (clear-message label frame stdout-p t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3798 (append-message label message frame stdout-p))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3799
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3800 (defun current-message (&optional frame)
272
c5d627a313b1 Import from CVS: tag r21-0b34
cvs
parents: 267
diff changeset
3801 "Return the current message in the echo area, or nil.
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3802 The FRAME argument is currently unused."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3803 (cdr (car message-stack)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3804
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3805 ;;; may eventually be frame-dependent
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3806 (defun current-message-label (&optional frame)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3807 (car (car message-stack)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3808
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3809 (defun message (fmt &rest args)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3810 "Print a one-line message at the bottom of the frame.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3811 The arguments are the same as to `format'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3812
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3813 If the only argument is nil, clear any existing message; let the
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3814 minibuffer contents show."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3815 ;; questionable junk in the C code
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3816 ;; (if (framep default-minibuffer-frame)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3817 ;; (make-frame-visible default-minibuffer-frame))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3818 (if (and (null fmt) (null args))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3819 (prog1 nil
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3820 (clear-message nil))
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3821 (let ((str (apply 'format fmt args)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3822 (display-message 'message str)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3823 str)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3824
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3825 (defun lmessage (label fmt &rest args)
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3826 "Print a one-line message at the bottom of the frame.
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3827 First argument LABEL is an identifier for this message. The rest of the
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3828 arguments are the same as to `format'.
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3829
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3830 See `display-message' for a list of standard labels."
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3831 (if (and (null fmt) (null args))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3832 (prog1 nil
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3833 (clear-message label nil))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3834 (let ((str (apply 'format fmt args)))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3835 (display-message label str)
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3836 str)))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3837
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3838
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3839 ;;;;;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3840 ;;;;;; warning stuff
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3841 ;;;;;;
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3842
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3843 (defcustom log-warning-minimum-level 'info
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3844 "Minimum level of warnings that should be logged.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3845 The warnings in levels below this are completely ignored, as if they never
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3846 happened.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3847
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3848 The recognized warning levels, in decreasing order of priority, are
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3849 'emergency, 'alert, 'critical, 'error, 'warning, 'notice, 'info, and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3850 'debug.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3851
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3852 See also `display-warning-minimum-level'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3853
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3854 You can also control which warnings are displayed on a class-by-class
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3855 basis. See `display-warning-suppressed-classes' and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3856 `log-warning-suppressed-classes'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3857 :type '(choice (const emergency) (const alert) (const critical)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3858 (const error) (const warning) (const notice)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3859 (const info) (const debug))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3860 :group 'warnings)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3861
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3862 (defcustom display-warning-minimum-level 'info
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3863 "Minimum level of warnings that should be displayed.
280
7df0dd720c89 Import from CVS: tag r21-0b38
cvs
parents: 278
diff changeset
3864 The warnings in levels below this will be generated, but not
7df0dd720c89 Import from CVS: tag r21-0b38
cvs
parents: 278
diff changeset
3865 displayed.
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3866
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3867 The recognized warning levels, in decreasing order of priority, are
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3868 'emergency, 'alert, 'critical, 'error, 'warning, 'notice, 'info, and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3869 'debug.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3870
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3871 See also `log-warning-minimum-level'.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3872
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3873 You can also control which warnings are displayed on a class-by-class
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3874 basis. See `display-warning-suppressed-classes' and
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3875 `log-warning-suppressed-classes'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3876 :type '(choice (const emergency) (const alert) (const critical)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3877 (const error) (const warning) (const notice)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3878 (const info) (const debug))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3879 :group 'warnings)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3880
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3881 (defvar log-warning-suppressed-classes nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3882 "List of classes of warnings that shouldn't be logged or displayed.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3883 If any of the CLASS symbols associated with a warning is the same as
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3884 any of the symbols listed here, the warning will be completely ignored,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3885 as it they never happened.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3886
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3887 NOTE: In most circumstances, you should *not* set this variable.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3888 Set `display-warning-suppressed-classes' instead. That way the suppressed
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3889 warnings are not displayed but are still unobtrusively logged.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3890
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3891 See also `log-warning-minimum-level' and `display-warning-minimum-level'.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3892
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3893 (defcustom display-warning-suppressed-classes nil
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3894 "List of classes of warnings that shouldn't be displayed.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3895 If any of the CLASS symbols associated with a warning is the same as
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3896 any of the symbols listed here, the warning will not be displayed.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3897 The warning will still logged in the *Warnings* buffer (unless also
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3898 contained in `log-warning-suppressed-classes'), but the buffer will
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3899 not be automatically popped up.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3900
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3901 See also `log-warning-minimum-level' and `display-warning-minimum-level'."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3902 :type '(repeat symbol)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3903 :group 'warnings)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3904
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3905 (defvar warning-count 0
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3906 "Count of the number of warning messages displayed so far.")
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3907
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3908 (defconst warning-level-alist '((emergency . 8)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3909 (alert . 7)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3910 (critical . 6)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3911 (error . 5)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3912 (warning . 4)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3913 (notice . 3)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3914 (info . 2)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3915 (debug . 1)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3916
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3917 (defun warning-level-p (level)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3918 "Non-nil if LEVEL specifies a warning level."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3919 (and (symbolp level) (assq level warning-level-alist)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3920
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3921 ;; If you're interested in rewriting this function, be aware that it
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3922 ;; could be called at arbitrary points in a Lisp program (when a
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3923 ;; built-in function wants to issue a warning, it will call out to
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3924 ;; this function the next time some Lisp code is evaluated). Therefore,
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3925 ;; this function *must* not permanently modify any global variables
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3926 ;; (e.g. the current buffer) except those that specifically apply
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3927 ;; to the warning system.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3928
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3929 (defvar before-init-deferred-warnings nil)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3930
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3931 (defun after-init-display-warnings ()
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3932 "Display warnings deferred till after the init file is run.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3933 Warnings that occur before then are deferred so that warning
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3934 suppression in the .emacs file will be honored."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3935 (while before-init-deferred-warnings
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3936 (apply 'display-warning (car before-init-deferred-warnings))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3937 (setq before-init-deferred-warnings
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3938 (cdr before-init-deferred-warnings))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3939
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3940 #-infodock (add-hook 'after-init-hook 'after-init-display-warnings)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3941
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3942 (defun display-warning (class message &optional level)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3943 "Display a warning message.
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3944 CLASS should be a symbol describing what sort of warning this is, such
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3945 as `resource' or `key-mapping'. A list of such symbols is also
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3946 accepted. (Individual classes can be suppressed; see
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3947 `display-warning-suppressed-classes'.) Optional argument LEVEL can
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3948 be used to specify a priority for the warning, other than default priority
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3949 `warning'. (See `display-warning-minimum-level'). The message is
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3950 inserted into the *Warnings* buffer, which is made visible at appropriate
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3951 times."
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3952 (or level (setq level 'warning))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3953 (or (listp class) (setq class (list class)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3954 (check-argument-type 'warning-level-p level)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3955 (if (and (not (featurep 'infodock))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3956 (not init-file-loaded))
278
90d73dddcdc4 Import from CVS: tag r21-0b37
cvs
parents: 272
diff changeset
3957 (push (list class message level) before-init-deferred-warnings)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3958 (catch 'ignored
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3959 (let ((display-p t)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3960 (level-num (cdr (assq level warning-level-alist))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3961 (if (< level-num (cdr (assq log-warning-minimum-level
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3962 warning-level-alist)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3963 (throw 'ignored nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3964 (if (intersection class log-warning-suppressed-classes)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3965 (throw 'ignored nil))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3966
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3967 (if (< level-num (cdr (assq display-warning-minimum-level
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3968 warning-level-alist)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3969 (setq display-p nil))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3970 (if (and display-p
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3971 (intersection class display-warning-suppressed-classes))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3972 (setq display-p nil))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3973 (let ((buffer (get-buffer-create "*Warnings*")))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3974 (when display-p
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3975 ;; The C code looks at display-warning-tick to determine
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3976 ;; when it should call `display-warning-buffer'. Change it
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3977 ;; to get the C code's attention.
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3978 (incf display-warning-tick))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3979 (with-current-buffer buffer
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3980 (goto-char (point-max))
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3981 (incf warning-count)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3982 (princ (format "(%d) (%s/%s) "
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3983 warning-count
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3984 (mapconcat 'symbol-name class ",")
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3985 level)
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3986 buffer)
209
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3987 (princ message buffer)
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
3988 (terpri buffer)
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3989 (terpri buffer)))))))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3990
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
3991 (defun warn (&rest args)
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
3992 "Display a warning message.
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
3993 The message is constructed by passing all args to `format'. The message
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
3994 is placed in the *Warnings* buffer, which will be popped up at the next
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
3995 redisplay. The class of the warning is `warning'. See also
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
3996 `display-warning'."
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
3997 (display-warning 'warning (apply 'format args)))
41ff10fd062f Import from CVS: tag r20-4b3
cvs
parents:
diff changeset
3998
219
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
3999 (defun lwarn (class level &rest args)
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4000 "Display a labeled warning message.
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4001 CLASS should be a symbol describing what sort of warning this is, such
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4002 as `resource' or `key-mapping'. A list of such symbols is also
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4003 accepted. (Individual classes can be suppressed; see
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4004 `display-warning-suppressed-classes'.) If non-nil, LEVEL can be used
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4005 to specify a priority for the warning, other than default priority
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4006 `warning'. (See `display-warning-minimum-level'). The message is
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4007 inserted into the *Warnings* buffer, which is made visible at appropriate
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4008 times.
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4009
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4010 The rest of the arguments are passed to `format'."
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4011 (display-warning class (apply 'format args)
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4012 (or level 'warning)))
262b8bb4a523 Import from CVS: tag r20-4b8
cvs
parents: 215
diff changeset
4013
209
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4014 (defvar warning-marker nil)
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4015
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4016 ;; When this function is called by the C code, all non-local exits are
41ff10fd062f Import from CVS: tag r20-4b3
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diff changeset
4017 ;; trapped and C-g is inhibited; therefore, it would be a very, very
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4018 ;; bad idea for this function to get into an infinite loop.
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4019
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4020 (defun display-warning-buffer ()
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4021 "Make the buffer that contains the warnings be visible.
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4022 The C code calls this periodically, right before redisplay."
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4023 (let ((buffer (get-buffer-create "*Warnings*")))
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4024 (when (or (not warning-marker)
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4025 (not (eq (marker-buffer warning-marker) buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4026 (setq warning-marker (make-marker))
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4027 (set-marker warning-marker 1 buffer))
259
11cf20601dec Import from CVS: tag r20-5b28
cvs
parents: 253
diff changeset
4028 (if temp-buffer-show-function
11cf20601dec Import from CVS: tag r20-5b28
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parents: 253
diff changeset
4029 (let ((show-buffer (get-buffer-create "*Warnings-Show*")))
11cf20601dec Import from CVS: tag r20-5b28
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parents: 253
diff changeset
4030 (save-excursion
11cf20601dec Import from CVS: tag r20-5b28
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parents: 253
diff changeset
4031 (set-buffer show-buffer)
11cf20601dec Import from CVS: tag r20-5b28
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parents: 253
diff changeset
4032 (setq buffer-read-only nil)
11cf20601dec Import from CVS: tag r20-5b28
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parents: 253
diff changeset
4033 (erase-buffer))
11cf20601dec Import from CVS: tag r20-5b28
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parents: 253
diff changeset
4034 (save-excursion
11cf20601dec Import from CVS: tag r20-5b28
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parents: 253
diff changeset
4035 (set-buffer buffer)
11cf20601dec Import from CVS: tag r20-5b28
cvs
parents: 253
diff changeset
4036 (copy-to-buffer show-buffer
11cf20601dec Import from CVS: tag r20-5b28
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parents: 253
diff changeset
4037 (marker-position warning-marker)
11cf20601dec Import from CVS: tag r20-5b28
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parents: 253
diff changeset
4038 (point-max)))
11cf20601dec Import from CVS: tag r20-5b28
cvs
parents: 253
diff changeset
4039 (funcall temp-buffer-show-function show-buffer))
11cf20601dec Import from CVS: tag r20-5b28
cvs
parents: 253
diff changeset
4040 (set-window-start (display-buffer buffer) warning-marker))
209
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4041 (set-marker warning-marker (point-max buffer) buffer)))
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4042
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4043 (defun emacs-name ()
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4044 "Return the printable name of this instance of Emacs."
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4045 (cond ((featurep 'infodock) "InfoDock")
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4046 ((featurep 'xemacs) "XEmacs")
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4047 (t "Emacs")))
41ff10fd062f Import from CVS: tag r20-4b3
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parents:
diff changeset
4048
41ff10fd062f Import from CVS: tag r20-4b3
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diff changeset
4049 ;;; simple.el ends here