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1 ;;; buff-menu.el --- buffer menu main function and support functions.
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2
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3 ;; Copyright (C) 1985, 86, 87, 93, 94, 95 Free Software Foundation, Inc.
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4
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5 ;; Maintainer: FSF
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72
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6 ;; Keywords: extensions
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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72
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: FSF 19.34 except as noted.
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26
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27 ;;; Commentary:
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28
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29 ;; Edit, delete, or change attributes of all currently active Emacs
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30 ;; buffers from a list summarizing their state. A good way to browse
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31 ;; any special or scratch buffers you have loaded, since you can't find
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32 ;; them by filename. The single entry point is `Buffer-menu-mode',
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33 ;; normally bound to C-x C-b.
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34
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35 ;;; Change Log:
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36
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37 ;; Merged by esr with recent mods to Emacs 19 buff-menu, 23 Mar 1993
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38 ;;
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39 ;; Modified by Bob Weiner, Motorola, Inc., 4/14/89
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40 ;;
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41 ;; Added optional backup argument to 'Buffer-menu-unmark' to make it undelete
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42 ;; current entry and then move to previous one.
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43 ;;
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44 ;; Based on FSF code dating back to 1985.
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45
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46 ;;; Code:
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47
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48 ;;;Trying to preserve the old window configuration works well in
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49 ;;;simple scenarios, when you enter the buffer menu, use it, and exit it.
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50 ;;;But it does strange things when you switch back to the buffer list buffer
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51 ;;;with C-x b, later on, when the window configuration is different.
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52 ;;;The choice seems to be, either restore the window configuration
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53 ;;;in all cases, or in no cases.
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54 ;;;I decided it was better not to restore the window config at all. -- rms.
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55
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56 ;;;But since then, I changed buffer-menu to use the selected window,
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57 ;;;so q now once again goes back to the previous window configuration.
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58
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59 ;;;(defvar Buffer-menu-window-config nil
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60 ;;; "Window configuration saved from entry to `buffer-menu'.")
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61
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62 ; Put buffer *Buffer List* into proper mode right away
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63 ; so that from now on even list-buffers is enough to get a buffer menu.
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64
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65 (defvar Buffer-menu-buffer-column 4)
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66
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67 (defvar Buffer-menu-mode-map nil "")
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68
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69 (if Buffer-menu-mode-map
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70 ()
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71 (setq Buffer-menu-mode-map (make-keymap))
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72 (suppress-keymap Buffer-menu-mode-map t)
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72
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73 (set-keymap-name Buffer-menu-mode-map 'Buffer-menu-mode-map) ; XEmacs
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74 (define-key Buffer-menu-mode-map "q" 'Buffer-menu-quit)
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75 (define-key Buffer-menu-mode-map "v" 'Buffer-menu-select)
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76 (define-key Buffer-menu-mode-map "2" 'Buffer-menu-2-window)
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77 (define-key Buffer-menu-mode-map "1" 'Buffer-menu-1-window)
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78 (define-key Buffer-menu-mode-map "f" 'Buffer-menu-this-window)
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79 (define-key Buffer-menu-mode-map "\C-m" 'Buffer-menu-this-window)
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80 (define-key Buffer-menu-mode-map "o" 'Buffer-menu-other-window)
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81 (define-key Buffer-menu-mode-map "\C-o" 'Buffer-menu-switch-other-window)
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82 (define-key Buffer-menu-mode-map "s" 'Buffer-menu-save)
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83 (define-key Buffer-menu-mode-map "d" 'Buffer-menu-delete)
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84 (define-key Buffer-menu-mode-map "k" 'Buffer-menu-delete)
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85 (define-key Buffer-menu-mode-map "\C-d" 'Buffer-menu-delete-backwards)
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86 (define-key Buffer-menu-mode-map "\C-k" 'Buffer-menu-delete)
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87 (define-key Buffer-menu-mode-map "x" 'Buffer-menu-execute)
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88 (define-key Buffer-menu-mode-map " " 'next-line)
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89 (define-key Buffer-menu-mode-map "n" 'next-line)
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90 (define-key Buffer-menu-mode-map "p" 'previous-line)
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161
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91 (define-key Buffer-menu-mode-map 'backspace 'Buffer-menu-backup-unmark)
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92 (define-key Buffer-menu-mode-map 'delete 'Buffer-menu-backup-unmark)
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93 (define-key Buffer-menu-mode-map "~" 'Buffer-menu-not-modified)
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94 (define-key Buffer-menu-mode-map "?" 'describe-mode)
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95 (define-key Buffer-menu-mode-map "u" 'Buffer-menu-unmark)
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96 (define-key Buffer-menu-mode-map "m" 'Buffer-menu-mark)
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97 (define-key Buffer-menu-mode-map "t" 'Buffer-menu-visit-tags-table)
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98 (define-key Buffer-menu-mode-map "%" 'Buffer-menu-toggle-read-only)
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99 (define-key Buffer-menu-mode-map "g" 'revert-buffer)
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100 (define-key Buffer-menu-mode-map 'button2 'Buffer-menu-mouse-select)
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101 (define-key Buffer-menu-mode-map 'button3 'Buffer-menu-popup-menu)
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102 )
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103
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104 ;; Buffer Menu mode is suitable only for specially formatted data.
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105 (put 'Buffer-menu-mode 'mode-class 'special)
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106
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107 (defun Buffer-menu-mode ()
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108 "Major mode for editing a list of buffers.
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109 Each line describes one of the buffers in Emacs.
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110 Letters do not insert themselves; instead, they are commands.
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111 \\<Buffer-menu-mode-map>
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112 \\[Buffer-menu-mouse-select] -- select buffer you click on, in place of the buffer menu.
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113 \\[Buffer-menu-this-window] -- select current line's buffer in place of the buffer menu.
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114 \\[Buffer-menu-other-window] -- select that buffer in another window,
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115 so the buffer menu buffer remains visible in its window.
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116 \\[Buffer-menu-switch-other-window] -- make another window display that buffer.
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117 \\[Buffer-menu-mark] -- mark current line's buffer to be displayed.
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118 \\[Buffer-menu-select] -- select current line's buffer.
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119 Also show buffers marked with m, in other windows.
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120 \\[Buffer-menu-1-window] -- select that buffer in full-frame window.
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121 \\[Buffer-menu-2-window] -- select that buffer in one window,
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122 together with buffer selected before this one in another window.
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123 \\[Buffer-menu-visit-tags-table] -- visit-tags-table this buffer.
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124 \\[Buffer-menu-not-modified] -- clear modified-flag on that buffer.
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125 \\[Buffer-menu-save] -- mark that buffer to be saved, and move down.
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126 \\[Buffer-menu-delete] -- mark that buffer to be deleted, and move down.
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127 \\[Buffer-menu-delete-backwards] -- mark that buffer to be deleted, and move up.
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128 \\[Buffer-menu-execute] -- delete or save marked buffers.
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129 \\[Buffer-menu-unmark] -- remove all kinds of marks from current line.
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130 With prefix argument, also move up one line.
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131 \\[Buffer-menu-backup-unmark] -- back up a line and remove marks.
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132 \\[Buffer-menu-toggle-read-only] -- toggle read-only status of buffer on this line."
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133 (kill-all-local-variables)
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134 (use-local-map Buffer-menu-mode-map)
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135 (setq major-mode 'Buffer-menu-mode)
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136 (setq mode-name "Buffer Menu")
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137 (make-local-variable 'revert-buffer-function)
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138 (setq revert-buffer-function 'Buffer-menu-revert-function)
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139 (setq truncate-lines t)
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140 (setq buffer-read-only t)
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141 (make-local-variable 'mouse-track-click-hook) ; XEmacs
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142 (add-hook 'mouse-track-click-hook 'Buffer-menu-maybe-mouse-select) ; XEmacs
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143 (run-hooks 'buffer-menu-mode-hook))
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144
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145 (defun Buffer-menu-revert-function (ignore1 ignore2)
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146 (list-buffers))
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147
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148 (defun Buffer-menu-buffer (error-if-non-existent-p)
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149 "Return buffer described by this line of buffer menu."
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150 (let* ((where (save-excursion
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151 (beginning-of-line)
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152 (+ (point) Buffer-menu-buffer-column)))
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153 (name (and (not (eobp)) (get-text-property where 'buffer-name))))
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154 (if name
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155 (or (get-buffer name)
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156 (if error-if-non-existent-p
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157 (error "No buffer named `%s'" name)
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158 nil))
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159 (if error-if-non-existent-p
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160 (error "No buffer on this line")
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161 nil))))
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162
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163 (defun buffer-menu (&optional arg)
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164 "Make a menu of buffers so you can save, delete or select them.
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165 With argument, show only buffers that are visiting files.
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166 Type ? after invocation to get help on commands available.
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167 Type q immediately to make the buffer menu go away."
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168 (interactive "P")
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169 ;;; (setq Buffer-menu-window-config (current-window-configuration))
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170 (switch-to-buffer (list-buffers-noselect arg))
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171 (message
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172 "Commands: d, s, x, u; f, o, 1, 2, m, v; ~, %%; q to quit; ? for help."))
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173
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174 (defun buffer-menu-other-window (&optional arg)
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175 "Display a list of buffers in another window.
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176 With the buffer list buffer, you can save, delete or select the buffers.
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177 With argument, show only buffers that are visiting files.
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178 Type ? after invocation to get help on commands available.
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179 Type q immediately to make the buffer menu go away."
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180 (interactive "P")
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181 ;;; (setq Buffer-menu-window-config (current-window-configuration))
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182 (switch-to-buffer-other-window (list-buffers-noselect arg))
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183 (message
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184 "Commands: d, s, x, u; f, o, 1, 2, m, v; ~, %%; q to quit; ? for help."))
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185
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186 (defun Buffer-menu-quit ()
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187 "Quit the buffer menu."
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188 (interactive)
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189 (let ((buffer (current-buffer)))
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190 ;; Switch away from the buffer menu and bury it.
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191 (switch-to-buffer (other-buffer))
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192 (bury-buffer buffer)))
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193
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194 (defun Buffer-menu-mark ()
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195 "Mark buffer on this line for being displayed by \\<Buffer-menu-mode-map>\\[Buffer-menu-select] command."
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196 (interactive)
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197 (beginning-of-line)
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198 (if (looking-at " [-M]")
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199 (ding)
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200 (let ((buffer-read-only nil))
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201 (delete-char 1)
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202 (insert ?>)
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203 (forward-line 1))))
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204
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205 (defun Buffer-menu-unmark (&optional backup)
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206 "Cancel all requested operations on buffer on this line and move down.
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207 Optional ARG means move up."
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208 (interactive "P")
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209 (beginning-of-line)
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210 (if (looking-at " [-M]")
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211 (ding)
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212 (let* ((buf (Buffer-menu-buffer t))
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213 (mod (buffer-modified-p buf))
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214 (readonly (save-excursion (set-buffer buf) buffer-read-only))
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215 (buffer-read-only nil))
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216 (delete-char 3)
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217 (insert (if readonly (if mod " *%" " %") (if mod " * " " ")))))
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218 (forward-line (if backup -1 1)))
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219
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220 (defun Buffer-menu-backup-unmark ()
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221 "Move up and cancel all requested operations on buffer on line above."
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222 (interactive)
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223 (forward-line -1)
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224 (Buffer-menu-unmark)
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225 (forward-line -1))
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226
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227 (defun Buffer-menu-delete (&optional arg)
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228 "Mark buffer on this line to be deleted by \\<Buffer-menu-mode-map>\\[Buffer-menu-execute] command.
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229 Prefix arg is how many buffers to delete.
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230 Negative arg means delete backwards."
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231 (interactive "p")
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232 (beginning-of-line)
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233 (if (looking-at " [-M]") ;header lines
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234 (ding)
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235 (let ((buffer-read-only nil))
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236 (if (or (null arg) (= arg 0))
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237 (setq arg 1))
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238 (while (> arg 0)
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239 (delete-char 1)
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240 (insert ?D)
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241 (forward-line 1)
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242 (setq arg (1- arg)))
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243 (while (< arg 0)
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244 (delete-char 1)
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245 (insert ?D)
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246 (forward-line -1)
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247 (setq arg (1+ arg))))))
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248
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249 (defun Buffer-menu-delete-backwards (&optional arg)
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250 "Mark buffer on this line to be deleted by \\<Buffer-menu-mode-map>\\[Buffer-menu-execute] command
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251 and then move up one line. Prefix arg means move that many lines."
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252 (interactive "p")
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253 (Buffer-menu-delete (- (or arg 1)))
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254 (while (looking-at " [-M]")
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255 (forward-line 1)))
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256
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257 (defun Buffer-menu-save ()
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258 "Mark buffer on this line to be saved by \\<Buffer-menu-mode-map>\\[Buffer-menu-execute] command."
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259 (interactive)
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260 (beginning-of-line)
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261 (if (looking-at " [-M]") ;header lines
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262 (ding)
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263 (let ((buffer-read-only nil))
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264 (forward-char 1)
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265 (delete-char 1)
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266 (insert ?S)
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267 (forward-line 1))))
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268
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269 (defun Buffer-menu-not-modified (&optional arg)
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270 "Mark buffer on this line as unmodified (no changes to save)."
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271 (interactive "P")
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272 (save-excursion
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273 (set-buffer (Buffer-menu-buffer t))
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274 (set-buffer-modified-p arg))
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275 (save-excursion
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276 (beginning-of-line)
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277 (forward-char 1)
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278 (if (= (char-after (point)) (if arg ? ?*))
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279 (let ((buffer-read-only nil))
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280 (delete-char 1)
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281 (insert (if arg ?* ? ))))))
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282
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283 (defun Buffer-menu-execute ()
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284 "Save and/or delete buffers marked with \\<Buffer-menu-mode-map>\\[Buffer-menu-save] or \\<Buffer-menu-mode-map>\\[Buffer-menu-delete] commands."
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285 (interactive)
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286 (save-excursion
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287 (goto-char (point-min))
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288 (forward-line 1)
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289 (while (re-search-forward "^.S" nil t)
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290 (let ((modp nil))
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291 (save-excursion
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292 (set-buffer (Buffer-menu-buffer t))
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293 (save-buffer)
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294 (setq modp (buffer-modified-p)))
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295 (let ((buffer-read-only nil))
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296 (delete-char -1)
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297 (insert (if modp ?* ? ))))))
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298 (save-excursion
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299 (goto-char (point-min))
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300 (forward-line 1)
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301 (let ((buff-menu-buffer (current-buffer))
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302 (buffer-read-only nil))
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303 (while (search-forward "\nD" nil t)
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304 (forward-char -1)
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305 (let ((buf (Buffer-menu-buffer nil)))
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306 (or (eq buf nil)
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307 (eq buf buff-menu-buffer)
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308 (save-excursion (kill-buffer buf))))
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309 (if (Buffer-menu-buffer nil)
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310 (progn (delete-char 1)
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311 (insert ? ))
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312 (delete-region (point) (progn (forward-line 1) (point)))
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313 (forward-char -1))))))
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314
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315 (defun Buffer-menu-select ()
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316 "Select this line's buffer; also display buffers marked with `>'.
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317 You can mark buffers with the \\<Buffer-menu-mode-map>\\[Buffer-menu-mark] command.
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318 This command deletes and replaces all the previously existing windows
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319 in the selected frame."
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320 (interactive)
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321 (let ((buff (Buffer-menu-buffer t))
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322 (menu (current-buffer))
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323 (others ())
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324 tem)
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325 (goto-char (point-min))
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326 (while (search-forward "\n>" nil t)
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327 (setq tem (Buffer-menu-buffer t))
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328 (let ((buffer-read-only nil))
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329 (delete-char -1)
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330 (insert ?\ ))
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331 (or (eq tem buff) (memq tem others) (setq others (cons tem others))))
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332 (setq others (nreverse others)
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333 tem (/ (1- (frame-height)) (1+ (length others))))
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334 (delete-other-windows)
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335 (switch-to-buffer buff)
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336 (or (eq menu buff)
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337 (bury-buffer menu))
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338 (if (equal (length others) 0)
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339 (progn
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340 ;;; ;; Restore previous window configuration before displaying
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341 ;;; ;; selected buffers.
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342 ;;; (if Buffer-menu-window-config
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343 ;;; (progn
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344 ;;; (set-window-configuration Buffer-menu-window-config)
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345 ;;; (setq Buffer-menu-window-config nil)))
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346 (switch-to-buffer buff))
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347 (while others
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348 (split-window nil tem)
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349 (other-window 1)
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350 (switch-to-buffer (car others))
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351 (setq others (cdr others)))
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352 (other-window 1) ;back to the beginning!
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353 )))
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354
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355
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356
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357 (defun Buffer-menu-visit-tags-table ()
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358 "Visit the tags table in the buffer on this line. See `visit-tags-table'."
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359 (interactive)
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360 (let ((file (buffer-file-name (Buffer-menu-buffer t))))
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361 (if file
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362 (visit-tags-table file)
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363 (error "Specified buffer has no file"))))
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364
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365 (defun Buffer-menu-1-window ()
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366 "Select this line's buffer, alone, in full frame."
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367 (interactive)
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368 (switch-to-buffer (Buffer-menu-buffer t))
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369 (bury-buffer (other-buffer))
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370 (delete-other-windows)
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72
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371 ;; XEmacs:
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0
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372 ;; This is to get w->force_start set to nil. Don't ask me, I only work here.
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373 (set-window-buffer (selected-window) (current-buffer)))
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374
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375 (defun Buffer-menu-mouse-select (event)
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376 "Select the buffer whose line you click on."
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377 (interactive "e")
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378 (let (buffer)
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379 (save-excursion
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72
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380 (set-buffer (event-buffer event)) ; XEmacs
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0
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381 (save-excursion
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72
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382 (goto-char (event-point event)) ; XEmacs
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0
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383 (setq buffer (Buffer-menu-buffer t))))
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72
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384 (select-window (event-window event)) ; XEmacs
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0
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385 (if (and (window-dedicated-p (selected-window))
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386 (eq (selected-window) (frame-root-window)))
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387 (switch-to-buffer-other-frame buffer)
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388 (switch-to-buffer buffer))))
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389
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72
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390 ;; XEmacs
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0
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391 (defun Buffer-menu-maybe-mouse-select (event &optional click-count)
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392 (interactive "e")
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393 (and (>= click-count 2)
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394 (let ((buffer (current-buffer))
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395 (point (point))
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396 (config (current-window-configuration)))
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397 (condition-case nil
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398 (progn
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399 (Buffer-menu-mouse-select event)
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400 t)
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401 (error
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402 (set-window-configuration config)
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403 (set-buffer buffer)
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404 (goto-char point)
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405 nil)))))
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406
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407 (defun Buffer-menu-this-window ()
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408 "Select this line's buffer in this window."
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409 (interactive)
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410 (switch-to-buffer (Buffer-menu-buffer t)))
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411
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412 (defun Buffer-menu-other-window ()
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413 "Select this line's buffer in other window, leaving buffer menu visible."
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414 (interactive)
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415 (switch-to-buffer-other-window (Buffer-menu-buffer t)))
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416
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417 (defun Buffer-menu-switch-other-window ()
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418 "Make the other window select this line's buffer.
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419 The current window remains selected."
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420 (interactive)
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421 (display-buffer (Buffer-menu-buffer t)))
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422
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423 (defun Buffer-menu-2-window ()
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424 "Select this line's buffer, with previous buffer in second window."
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425 (interactive)
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426 (let ((buff (Buffer-menu-buffer t))
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427 (menu (current-buffer))
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428 (pop-up-windows t))
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429 (delete-other-windows)
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430 (switch-to-buffer (other-buffer))
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431 (pop-to-buffer buff)
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432 (bury-buffer menu)))
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433
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434 (defun Buffer-menu-toggle-read-only ()
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|
435 "Toggle read-only status of buffer on this line, perhaps via version control."
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|
436 (interactive)
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|
437 (let (char)
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438 (save-excursion
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439 (set-buffer (Buffer-menu-buffer t))
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440 (vc-toggle-read-only)
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|
441 (setq char (if buffer-read-only ?% ? )))
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442 (save-excursion
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|
|
443 (beginning-of-line)
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|
|
444 (forward-char 2)
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|
|
445 (if (/= (following-char) char)
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446 (let (buffer-read-only)
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|
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447 (delete-char 1)
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|
448 (insert char))))))
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449
|
|
72
|
450 ;; XEmacs
|
|
0
|
451 (defvar Buffer-menu-popup-menu
|
|
|
452 '("Buffer Commands"
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|
|
453 ["Select Buffer" Buffer-menu-select t]
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|
|
454 ["Select buffer Other Window" Buffer-menu-other-window t]
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|
|
455 ["Clear Buffer Modification Flag" Buffer-menu-not-modified t]
|
|
|
456 "----"
|
|
|
457 ["Mark Buffer for Selection" Buffer-menu-mark t]
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|
|
458 ["Mark Buffer for Save" Buffer-menu-save t]
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|
|
459 ["Mark Buffer for Deletion" Buffer-menu-delete t]
|
|
|
460 ["Unmark Buffer" Buffer-menu-unmark t]
|
|
|
461 "----"
|
|
|
462 ["Delete/Save Marked Buffers" Buffer-menu-execute t]
|
|
|
463 ))
|
|
|
464
|
|
72
|
465 ;; XEmacs
|
|
0
|
466 (defun Buffer-menu-popup-menu (event)
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|
|
467 (interactive "e")
|
|
|
468 (mouse-set-point event)
|
|
|
469 (beginning-of-line)
|
|
|
470 (let ((buffer (Buffer-menu-buffer nil)))
|
|
|
471 (if buffer
|
|
|
472 (popup-menu
|
|
|
473 (nconc (list (car Buffer-menu-popup-menu)
|
|
|
474 (concat
|
|
|
475 "Commands on buffer \"" (buffer-name buffer) "\":")
|
|
|
476 "----")
|
|
|
477 (cdr Buffer-menu-popup-menu)))
|
|
|
478 (error "no buffer on this line"))))
|
|
|
479
|
|
|
480
|
|
72
|
481 ;; XEmacs
|
|
0
|
482 (defvar list-buffers-header-line
|
|
|
483 (purecopy (concat " MR Buffer Size Mode File\n"
|
|
|
484 " -- ------ ---- ---- ----\n")))
|
|
|
485
|
|
72
|
486 ;; XEmacs
|
|
0
|
487 (defvar list-buffers-identification 'default-list-buffers-identification
|
|
|
488 "String used to identify this buffer, or a function of one argument
|
|
|
489 to generate such a string. This variable is always buffer-local.")
|
|
|
490 (make-variable-buffer-local 'list-buffers-identification)
|
|
|
491
|
|
72
|
492 ;; XEmacs
|
|
74
|
493 ;;;###autoload
|
|
|
494 (defvar list-buffers-directory nil)
|
|
|
495
|
|
|
496 ;;;###autoload
|
|
0
|
497 (make-variable-buffer-local 'list-buffers-directory)
|
|
|
498
|
|
|
499 ;; #### not synched
|
|
|
500 (defun default-list-buffers-identification (output)
|
|
|
501 (save-excursion
|
|
|
502 (let ((file (or (buffer-file-name (current-buffer))
|
|
|
503 (and (boundp 'list-buffers-directory)
|
|
|
504 list-buffers-directory)))
|
|
|
505 (size (buffer-size))
|
|
|
506 (mode mode-name)
|
|
|
507 eob p s col)
|
|
|
508 (set-buffer output)
|
|
|
509 (end-of-line)
|
|
|
510 (setq eob (point))
|
|
|
511 (prin1 size output)
|
|
|
512 (setq p (point))
|
|
|
513 ;; right-justify the size
|
|
|
514 (move-to-column 19 t)
|
|
|
515 (setq col (point))
|
|
|
516 (if (> eob col)
|
|
|
517 (goto-char eob))
|
|
|
518 (setq s (- 6 (- p col)))
|
|
|
519 (while (> s 0) ; speed/consing tradeoff...
|
|
|
520 (insert ? )
|
|
|
521 (setq s (1- s)))
|
|
|
522 (end-of-line)
|
|
|
523 (indent-to 27 1)
|
|
|
524 (insert mode)
|
|
|
525 (if (not file)
|
|
|
526 nil
|
|
|
527 ;; if the mode-name is really long, clip it for the filename
|
|
|
528 (if (> 0 (setq s (- 39 (current-column))))
|
|
|
529 (delete-char (max s (- eob (point)))))
|
|
|
530 (indent-to 40 1)
|
|
|
531 (insert file)))))
|
|
|
532
|
|
|
533 ;; #### not synched
|
|
|
534 (defun list-buffers-internal (output &optional predicate)
|
|
|
535 (let ((current (current-buffer))
|
|
|
536 (buffers (buffer-list)))
|
|
|
537 (save-excursion
|
|
|
538 (set-buffer output)
|
|
|
539 (setq buffer-read-only nil)
|
|
|
540 (erase-buffer)
|
|
|
541 (buffer-disable-undo output)
|
|
|
542 (insert list-buffers-header-line)
|
|
|
543
|
|
|
544 (while buffers
|
|
|
545 (let* ((col1 19)
|
|
|
546 (buffer (car buffers))
|
|
|
547 (name (buffer-name buffer))
|
|
|
548 this-buffer-line-start)
|
|
|
549 (setq buffers (cdr buffers))
|
|
|
550 (cond ((null name)) ;deleted buffer
|
|
|
551 ((and predicate
|
|
|
552 (not (if (stringp predicate)
|
|
|
553 (string-match predicate name)
|
|
|
554 (funcall predicate buffer))))
|
|
|
555 nil)
|
|
|
556 (t
|
|
|
557 (set-buffer buffer)
|
|
|
558 (let ((ro buffer-read-only)
|
|
|
559 (id list-buffers-identification))
|
|
|
560 (set-buffer output)
|
|
|
561 (setq this-buffer-line-start (point))
|
|
|
562 (insert (if (eq buffer current)
|
|
|
563 (progn (setq current (point)) ?\.)
|
|
|
564 ?\ ))
|
|
|
565 (insert (if (buffer-modified-p buffer)
|
|
|
566 ?\*
|
|
|
567 ?\ ))
|
|
|
568 (insert (if ro
|
|
|
569 ?\%
|
|
|
570 ?\ ))
|
|
|
571 (if (string-match "[\n\"\\ \t]" name)
|
|
|
572 (let ((print-escape-newlines t))
|
|
|
573 (prin1 name output))
|
|
|
574 (insert ?\ name))
|
|
|
575 (indent-to col1 1)
|
|
|
576 (cond ((stringp id)
|
|
|
577 (insert id))
|
|
|
578 (id
|
|
|
579 (set-buffer buffer)
|
|
|
580 (condition-case e
|
|
|
581 (funcall id output)
|
|
|
582 (error
|
|
|
583 (princ "***" output) (prin1 e output)))
|
|
|
584 (set-buffer output)
|
|
|
585 (goto-char (point-max)))))
|
|
|
586 (put-nonduplicable-text-property this-buffer-line-start
|
|
|
587 (point)
|
|
|
588 'buffer-name name)
|
|
|
589 (put-nonduplicable-text-property this-buffer-line-start
|
|
|
590 (point)
|
|
|
591 'highlight t)
|
|
|
592 (insert ?\n)))))
|
|
|
593
|
|
|
594 (Buffer-menu-mode)
|
|
|
595 (if (not (bufferp current))
|
|
|
596 (goto-char current)))))
|
|
72
|
597 ;(define-key ctl-x-map "\C-b" 'list-buffers)
|
|
0
|
598
|
|
|
599 (defun list-buffers (&optional files-only)
|
|
|
600 "Display a list of names of existing buffers.
|
|
|
601 The list is displayed in a buffer named `*Buffer List*'.
|
|
|
602 Note that buffers with names starting with spaces are omitted.
|
|
|
603 Non-null optional arg FILES-ONLY means mention only file buffers.
|
|
|
604
|
|
|
605 The M column contains a * for buffers that are modified.
|
|
|
606 The R column contains a % for buffers that are read-only."
|
|
72
|
607 (interactive (list (if current-prefix-arg t nil))) ; XEmacs
|
|
0
|
608 (display-buffer (list-buffers-noselect files-only)))
|
|
|
609
|
|
|
610 ;; #### not synched
|
|
|
611 (defun list-buffers-noselect (&optional files-only)
|
|
|
612 "Create and return a buffer with a list of names of existing buffers.
|
|
|
613 The buffer is named `*Buffer List*'.
|
|
|
614 Note that buffers with names starting with spaces are omitted.
|
|
|
615 Non-null optional arg FILES-ONLY means mention only file buffers.
|
|
|
616
|
|
|
617 The M column contains a * for buffers that are modified.
|
|
|
618 The R column contains a % for buffers that are read-only."
|
|
|
619 (let ((buffer (get-buffer-create "*Buffer List*")))
|
|
|
620 (list-buffers-internal buffer
|
|
|
621 (if (memq files-only '(t nil))
|
|
|
622 #'(lambda (b)
|
|
|
623 (let ((n (buffer-name b)))
|
|
|
624 (cond ((and (/= 0 (length n))
|
|
|
625 (= (aref n 0) ?\ ))
|
|
|
626 ;;don't mention if starts with " "
|
|
|
627 nil)
|
|
|
628 (files-only
|
|
|
629 (buffer-file-name b))
|
|
|
630 (t
|
|
|
631 t))))
|
|
|
632 files-only))
|
|
|
633 buffer))
|
|
|
634
|
|
|
635 (provide 'buff-menu)
|
|
|
636
|
|
|
637 ;;; buff-menu.el ends here
|
