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209
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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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6 ;; Keywords: extensions, dumped
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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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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 ;; This file is dumped with XEmacs.
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30
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31 ;; Edit, delete, or change attributes of all currently active Emacs
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32 ;; buffers from a list summarizing their state. A good way to browse
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33 ;; any special or scratch buffers you have loaded, since you can't find
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34 ;; them by filename. The single entry point is `Buffer-menu-mode',
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35 ;; normally bound to C-x C-b.
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36
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37 ;;; Change Log:
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38
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39 ;; Merged by esr with recent mods to Emacs 19 buff-menu, 23 Mar 1993
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40 ;;
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41 ;; Modified by Bob Weiner, Motorola, Inc., 4/14/89
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42 ;;
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43 ;; Added optional backup argument to 'Buffer-menu-unmark' to make it undelete
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44 ;; current entry and then move to previous one.
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45 ;;
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46 ;; Based on FSF code dating back to 1985.
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47
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48 ;;; Code:
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49
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50 ;;;Trying to preserve the old window configuration works well in
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51 ;;;simple scenarios, when you enter the buffer menu, use it, and exit it.
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52 ;;;But it does strange things when you switch back to the buffer list buffer
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53 ;;;with C-x b, later on, when the window configuration is different.
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54 ;;;The choice seems to be, either restore the window configuration
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55 ;;;in all cases, or in no cases.
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56 ;;;I decided it was better not to restore the window config at all. -- rms.
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57
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58 ;;;But since then, I changed buffer-menu to use the selected window,
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59 ;;;so q now once again goes back to the previous window configuration.
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60
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61 ;;;(defvar Buffer-menu-window-config nil
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62 ;;; "Window configuration saved from entry to `buffer-menu'.")
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63
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64 ; Put buffer *Buffer List* into proper mode right away
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65 ; so that from now on even list-buffers is enough to get a buffer menu.
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66
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67 (defvar Buffer-menu-buffer-column 4)
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68
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69 (defvar Buffer-menu-mode-map nil "")
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70
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71 (if Buffer-menu-mode-map
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72 ()
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73 (setq Buffer-menu-mode-map (make-keymap))
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74 (suppress-keymap Buffer-menu-mode-map t)
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75 (set-keymap-name Buffer-menu-mode-map 'Buffer-menu-mode-map) ; XEmacs
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76 (define-key Buffer-menu-mode-map "q" 'Buffer-menu-quit)
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77 (define-key Buffer-menu-mode-map "v" 'Buffer-menu-select)
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78 (define-key Buffer-menu-mode-map "2" 'Buffer-menu-2-window)
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79 (define-key Buffer-menu-mode-map "1" 'Buffer-menu-1-window)
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80 (define-key Buffer-menu-mode-map "f" 'Buffer-menu-this-window)
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81 (define-key Buffer-menu-mode-map "\C-m" 'Buffer-menu-this-window)
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82 (define-key Buffer-menu-mode-map "o" 'Buffer-menu-other-window)
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83 (define-key Buffer-menu-mode-map "\C-o" 'Buffer-menu-switch-other-window)
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84 (define-key Buffer-menu-mode-map "s" 'Buffer-menu-save)
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85 (define-key Buffer-menu-mode-map "d" 'Buffer-menu-delete)
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86 (define-key Buffer-menu-mode-map "k" 'Buffer-menu-delete)
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87 (define-key Buffer-menu-mode-map "\C-d" 'Buffer-menu-delete-backwards)
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88 (define-key Buffer-menu-mode-map "\C-k" 'Buffer-menu-delete)
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89 (define-key Buffer-menu-mode-map "x" 'Buffer-menu-execute)
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90 (define-key Buffer-menu-mode-map " " 'next-line)
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91 (define-key Buffer-menu-mode-map "n" 'next-line)
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92 (define-key Buffer-menu-mode-map "p" 'previous-line)
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93 (define-key Buffer-menu-mode-map 'backspace 'Buffer-menu-backup-unmark)
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94 (define-key Buffer-menu-mode-map 'delete 'Buffer-menu-backup-unmark)
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95 (define-key Buffer-menu-mode-map "~" 'Buffer-menu-not-modified)
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96 (define-key Buffer-menu-mode-map "?" 'describe-mode)
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97 (define-key Buffer-menu-mode-map "u" 'Buffer-menu-unmark)
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98 (define-key Buffer-menu-mode-map "m" 'Buffer-menu-mark)
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99 (define-key Buffer-menu-mode-map "t" 'Buffer-menu-visit-tags-table)
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100 (define-key Buffer-menu-mode-map "%" 'Buffer-menu-toggle-read-only)
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101 (define-key Buffer-menu-mode-map "g" 'revert-buffer)
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102 (define-key Buffer-menu-mode-map 'button2 'Buffer-menu-mouse-select)
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103 (define-key Buffer-menu-mode-map 'button3 'Buffer-menu-popup-menu)
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104 )
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105
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106 ;; Buffer Menu mode is suitable only for specially formatted data.
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107 (put 'Buffer-menu-mode 'mode-class 'special)
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108
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109 (defun Buffer-menu-mode ()
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110 "Major mode for editing a list of buffers.
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111 Each line describes one of the buffers in Emacs.
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112 Letters do not insert themselves; instead, they are commands.
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113 \\<Buffer-menu-mode-map>
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114 \\[Buffer-menu-mouse-select] -- select buffer you click on, in place of the buffer menu.
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115 \\[Buffer-menu-this-window] -- select current line's buffer in place of the buffer menu.
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116 \\[Buffer-menu-other-window] -- select that buffer in another window,
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117 so the buffer menu buffer remains visible in its window.
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118 \\[Buffer-menu-switch-other-window] -- make another window display that buffer.
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119 \\[Buffer-menu-mark] -- mark current line's buffer to be displayed.
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120 \\[Buffer-menu-select] -- select current line's buffer.
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121 Also show buffers marked with m, in other windows.
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122 \\[Buffer-menu-1-window] -- select that buffer in full-frame window.
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123 \\[Buffer-menu-2-window] -- select that buffer in one window,
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124 together with buffer selected before this one in another window.
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125 \\[Buffer-menu-visit-tags-table] -- visit-tags-table this buffer.
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126 \\[Buffer-menu-not-modified] -- clear modified-flag on that buffer.
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127 \\[Buffer-menu-save] -- mark that buffer to be saved, and move down.
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128 \\[Buffer-menu-delete] -- mark that buffer to be deleted, and move down.
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129 \\[Buffer-menu-delete-backwards] -- mark that buffer to be deleted, and move up.
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130 \\[Buffer-menu-execute] -- delete or save marked buffers.
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131 \\[Buffer-menu-unmark] -- remove all kinds of marks from current line.
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132 With prefix argument, also move up one line.
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133 \\[Buffer-menu-backup-unmark] -- back up a line and remove marks.
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134 \\[Buffer-menu-toggle-read-only] -- toggle read-only status of buffer on this line."
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135 (kill-all-local-variables)
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136 (use-local-map Buffer-menu-mode-map)
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137 (setq major-mode 'Buffer-menu-mode)
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138 (setq mode-name "Buffer Menu")
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139 (make-local-variable 'revert-buffer-function)
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140 (setq revert-buffer-function 'Buffer-menu-revert-function)
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141 (setq truncate-lines t)
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142 (setq buffer-read-only t)
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143 (make-local-variable 'mouse-track-click-hook) ; XEmacs
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144 (add-hook 'mouse-track-click-hook 'Buffer-menu-maybe-mouse-select) ; XEmacs
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145 (run-hooks 'buffer-menu-mode-hook))
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146
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147 (defun Buffer-menu-revert-function (ignore1 ignore2)
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148 (list-buffers))
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149
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150 (defun Buffer-menu-buffer (error-if-non-existent-p)
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151 "Return buffer described by this line of buffer menu."
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152 (let* ((where (save-excursion
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153 (beginning-of-line)
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154 (+ (point) Buffer-menu-buffer-column)))
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155 (name (and (not (eobp)) (get-text-property where 'buffer-name))))
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156 (if name
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157 (or (get-buffer name)
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158 (if error-if-non-existent-p
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159 (error "No buffer named `%s'" name)
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160 nil))
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161 (if error-if-non-existent-p
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162 (error "No buffer on this line")
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163 nil))))
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164
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165 (defun buffer-menu (&optional arg)
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166 "Make a menu of buffers so you can save, delete or select them.
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167 With argument, show only buffers that are visiting files.
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168 Type ? after invocation to get help on commands available.
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169 Type q immediately to make the buffer menu go away."
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170 (interactive "P")
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171 ;;; (setq Buffer-menu-window-config (current-window-configuration))
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172 (switch-to-buffer (list-buffers-noselect arg))
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173 (message
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174 "Commands: d, s, x, u; f, o, 1, 2, m, v; ~, %%; q to quit; ? for help."))
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175
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176 (defun buffer-menu-other-window (&optional arg)
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177 "Display a list of buffers in another window.
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178 With the buffer list buffer, you can save, delete or select the buffers.
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179 With argument, show only buffers that are visiting files.
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180 Type ? after invocation to get help on commands available.
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181 Type q immediately to make the buffer menu go away."
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182 (interactive "P")
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183 ;;; (setq Buffer-menu-window-config (current-window-configuration))
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184 (switch-to-buffer-other-window (list-buffers-noselect arg))
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185 (message
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186 "Commands: d, s, x, u; f, o, 1, 2, m, v; ~, %%; q to quit; ? for help."))
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187
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188 (defun Buffer-menu-quit ()
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189 "Quit the buffer menu."
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190 (interactive)
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191 (let ((buffer (current-buffer)))
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192 ;; Switch away from the buffer menu and bury it.
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193 (switch-to-buffer (other-buffer))
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194 (bury-buffer buffer)))
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195
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196 (defun Buffer-menu-mark ()
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197 "Mark buffer on this line for being displayed by \\<Buffer-menu-mode-map>\\[Buffer-menu-select] command."
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198 (interactive)
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199 (beginning-of-line)
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200 (if (looking-at " [-M]")
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201 (ding)
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202 (let ((buffer-read-only nil))
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203 (delete-char 1)
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204 (insert ?>)
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205 (forward-line 1))))
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206
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207 (defun Buffer-menu-unmark (&optional backup)
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208 "Cancel all requested operations on buffer on this line and move down.
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209 Optional ARG means move up."
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210 (interactive "P")
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211 (beginning-of-line)
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212 (if (looking-at " [-M]")
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213 (ding)
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214 (let* ((buf (Buffer-menu-buffer t))
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215 (mod (buffer-modified-p buf))
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216 (readonly (save-excursion (set-buffer buf) buffer-read-only))
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217 (buffer-read-only nil))
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218 (delete-char 3)
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219 (insert (if readonly (if mod " *%" " %") (if mod " * " " ")))))
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220 (forward-line (if backup -1 1)))
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221
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222 (defun Buffer-menu-backup-unmark ()
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223 "Move up and cancel all requested operations on buffer on line above."
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224 (interactive)
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225 (forward-line -1)
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226 (Buffer-menu-unmark)
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227 (forward-line -1))
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228
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229 (defun Buffer-menu-delete (&optional arg)
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230 "Mark buffer on this line to be deleted by \\<Buffer-menu-mode-map>\\[Buffer-menu-execute] command.
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231 Prefix arg is how many buffers to delete.
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232 Negative arg means delete backwards."
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233 (interactive "p")
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234 (beginning-of-line)
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235 (if (looking-at " [-M]") ;header lines
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236 (ding)
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237 (let ((buffer-read-only nil))
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238 (if (or (null arg) (= arg 0))
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239 (setq arg 1))
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240 (while (> arg 0)
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241 (delete-char 1)
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242 (insert ?D)
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243 (forward-line 1)
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244 (setq arg (1- arg)))
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245 (while (< arg 0)
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246 (delete-char 1)
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247 (insert ?D)
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248 (forward-line -1)
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249 (setq arg (1+ arg))))))
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250
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251 (defun Buffer-menu-delete-backwards (&optional arg)
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252 "Mark buffer on this line to be deleted by \\<Buffer-menu-mode-map>\\[Buffer-menu-execute] command
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253 and then move up one line. Prefix arg means move that many lines."
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254 (interactive "p")
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255 (Buffer-menu-delete (- (or arg 1)))
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256 (while (looking-at " [-M]")
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257 (forward-line 1)))
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258
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259 (defun Buffer-menu-save ()
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260 "Mark buffer on this line to be saved by \\<Buffer-menu-mode-map>\\[Buffer-menu-execute] command."
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261 (interactive)
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262 (beginning-of-line)
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263 (if (looking-at " [-M]") ;header lines
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264 (ding)
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265 (let ((buffer-read-only nil))
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266 (forward-char 1)
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267 (delete-char 1)
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268 (insert ?S)
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269 (forward-line 1))))
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270
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271 (defun Buffer-menu-not-modified (&optional arg)
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272 "Mark buffer on this line as unmodified (no changes to save)."
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273 (interactive "P")
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274 (save-excursion
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275 (set-buffer (Buffer-menu-buffer t))
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276 (set-buffer-modified-p arg))
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277 (save-excursion
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278 (beginning-of-line)
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279 (forward-char 1)
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280 (if (= (char-after (point)) (if arg ? ?*))
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281 (let ((buffer-read-only nil))
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282 (delete-char 1)
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283 (insert (if arg ?* ? ))))))
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284
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285 (defun Buffer-menu-execute ()
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286 "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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287 (interactive)
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288 (save-excursion
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289 (goto-char (point-min))
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290 (forward-line 1)
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291 (while (re-search-forward "^.S" nil t)
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292 (let ((modp nil))
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293 (save-excursion
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294 (set-buffer (Buffer-menu-buffer t))
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295 (save-buffer)
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296 (setq modp (buffer-modified-p)))
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297 (let ((buffer-read-only nil))
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298 (delete-char -1)
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299 (insert (if modp ?* ? ))))))
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300 (save-excursion
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301 (goto-char (point-min))
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302 (forward-line 1)
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303 (let ((buff-menu-buffer (current-buffer))
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304 (buffer-read-only nil))
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305 (while (search-forward "\nD" nil t)
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306 (forward-char -1)
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307 (let ((buf (Buffer-menu-buffer nil)))
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308 (or (eq buf nil)
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309 (eq buf buff-menu-buffer)
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310 (save-excursion (kill-buffer buf))))
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311 (if (Buffer-menu-buffer nil)
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312 (progn (delete-char 1)
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313 (insert ? ))
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314 (delete-region (point) (progn (forward-line 1) (point)))
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315 (forward-char -1))))))
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316
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317 (defun Buffer-menu-select ()
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318 "Select this line's buffer; also display buffers marked with `>'.
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319 You can mark buffers with the \\<Buffer-menu-mode-map>\\[Buffer-menu-mark] command.
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320 This command deletes and replaces all the previously existing windows
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321 in the selected frame."
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322 (interactive)
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323 (let ((buff (Buffer-menu-buffer t))
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324 (menu (current-buffer))
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325 (others ())
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326 tem)
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327 (goto-char (point-min))
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328 (while (search-forward "\n>" nil t)
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329 (setq tem (Buffer-menu-buffer t))
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330 (let ((buffer-read-only nil))
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331 (delete-char -1)
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332 (insert ?\ ))
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333 (or (eq tem buff) (memq tem others) (setq others (cons tem others))))
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334 (setq others (nreverse others)
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335 tem (/ (1- (frame-height)) (1+ (length others))))
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336 (delete-other-windows)
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337 (switch-to-buffer buff)
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338 (or (eq menu buff)
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339 (bury-buffer menu))
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340 (if (equal (length others) 0)
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341 (progn
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342 ;;; ;; Restore previous window configuration before displaying
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343 ;;; ;; selected buffers.
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344 ;;; (if Buffer-menu-window-config
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345 ;;; (progn
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346 ;;; (set-window-configuration Buffer-menu-window-config)
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347 ;;; (setq Buffer-menu-window-config nil)))
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348 (switch-to-buffer buff))
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349 (while others
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350 (split-window nil tem)
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351 (other-window 1)
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352 (switch-to-buffer (car others))
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353 (setq others (cdr others)))
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354 (other-window 1) ;back to the beginning!
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355 )))
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356
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357
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358
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359 (defun Buffer-menu-visit-tags-table ()
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360 "Visit the tags table in the buffer on this line. See `visit-tags-table'."
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361 (interactive)
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362 (let ((file (buffer-file-name (Buffer-menu-buffer t))))
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363 (if file
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364 (visit-tags-table file)
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365 (error "Specified buffer has no file"))))
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366
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367 (defun Buffer-menu-1-window ()
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368 "Select this line's buffer, alone, in full frame."
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369 (interactive)
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370 (switch-to-buffer (Buffer-menu-buffer t))
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371 (bury-buffer (other-buffer))
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372 (delete-other-windows)
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373 ;; XEmacs:
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374 ;; This is to get w->force_start set to nil. Don't ask me, I only work here.
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375 (set-window-buffer (selected-window) (current-buffer)))
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376
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377 (defun Buffer-menu-mouse-select (event)
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378 "Select the buffer whose line you click on."
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379 (interactive "e")
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380 (let (buffer)
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381 (save-excursion
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382 (set-buffer (event-buffer event)) ; XEmacs
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383 (save-excursion
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384 (goto-char (event-point event)) ; XEmacs
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385 (setq buffer (Buffer-menu-buffer t))))
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386 (select-window (event-window event)) ; XEmacs
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387 (if (and (window-dedicated-p (selected-window))
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388 (eq (selected-window) (frame-root-window)))
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389 (switch-to-buffer-other-frame buffer)
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390 (switch-to-buffer buffer))))
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391
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392 ;; XEmacs
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393 (defun Buffer-menu-maybe-mouse-select (event &optional click-count)
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394 (interactive "e")
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395 (and (>= click-count 2)
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396 (let ((buffer (current-buffer))
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397 (point (point))
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398 (config (current-window-configuration)))
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399 (condition-case nil
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400 (progn
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401 (Buffer-menu-mouse-select event)
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402 t)
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403 (error
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404 (set-window-configuration config)
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405 (set-buffer buffer)
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406 (goto-char point)
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407 nil)))))
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408
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409 (defun Buffer-menu-this-window ()
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410 "Select this line's buffer in this window."
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411 (interactive)
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412 (switch-to-buffer (Buffer-menu-buffer t)))
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413
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414 (defun Buffer-menu-other-window ()
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415 "Select this line's buffer in other window, leaving buffer menu visible."
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416 (interactive)
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417 (switch-to-buffer-other-window (Buffer-menu-buffer t)))
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418
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419 (defun Buffer-menu-switch-other-window ()
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420 "Make the other window select this line's buffer.
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421 The current window remains selected."
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422 (interactive)
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423 (display-buffer (Buffer-menu-buffer t)))
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424
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425 (defun Buffer-menu-2-window ()
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426 "Select this line's buffer, with previous buffer in second window."
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427 (interactive)
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428 (let ((buff (Buffer-menu-buffer t))
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429 (menu (current-buffer))
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430 (pop-up-windows t))
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431 (delete-other-windows)
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432 (switch-to-buffer (other-buffer))
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433 (pop-to-buffer buff)
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434 (bury-buffer menu)))
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435
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436 (defun Buffer-menu-toggle-read-only ()
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437 "Toggle read-only status of buffer on this line, perhaps via version control."
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438 (interactive)
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439 (let (char)
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440 (save-excursion
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441 (set-buffer (Buffer-menu-buffer t))
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219
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442 (modeline-toggle-read-only)
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209
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443 (setq char (if buffer-read-only ?% ? )))
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444 (save-excursion
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445 (beginning-of-line)
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446 (forward-char 2)
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447 (if (/= (following-char) char)
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448 (let (buffer-read-only)
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449 (delete-char 1)
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450 (insert char))))))
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451
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452 ;; XEmacs
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453 (defvar Buffer-menu-popup-menu
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454 '("Buffer Commands"
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455 ["Select Buffer" Buffer-menu-select t]
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456 ["Select buffer Other Window" Buffer-menu-other-window t]
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457 ["Clear Buffer Modification Flag" Buffer-menu-not-modified t]
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458 "----"
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459 ["Mark Buffer for Selection" Buffer-menu-mark t]
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460 ["Mark Buffer for Save" Buffer-menu-save t]
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461 ["Mark Buffer for Deletion" Buffer-menu-delete t]
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462 ["Unmark Buffer" Buffer-menu-unmark t]
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463 "----"
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464 ["Delete/Save Marked Buffers" Buffer-menu-execute t]
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465 ))
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466
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467 ;; XEmacs
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468 (defun Buffer-menu-popup-menu (event)
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469 (interactive "e")
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470 (mouse-set-point event)
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471 (beginning-of-line)
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472 (let ((buffer (Buffer-menu-buffer nil)))
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473 (if buffer
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474 (popup-menu
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475 (nconc (list (car Buffer-menu-popup-menu)
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476 (concat
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477 "Commands on buffer \"" (buffer-name buffer) "\":")
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478 "----")
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479 (cdr Buffer-menu-popup-menu)))
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480 (error "no buffer on this line"))))
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481
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482
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483 ;; XEmacs
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484 (defvar list-buffers-header-line
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485 (purecopy (concat " MR Buffer Size Mode File\n"
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486 " -- ------ ---- ---- ----\n")))
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487
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488 ;; XEmacs
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489 (defvar list-buffers-identification 'default-list-buffers-identification
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490 "String used to identify this buffer, or a function of one argument
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491 to generate such a string. This variable is always buffer-local.")
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492 (make-variable-buffer-local 'list-buffers-identification)
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493
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494 ;; XEmacs
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495 ;;;###autoload
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496 (defvar list-buffers-directory nil)
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497
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498 ;;;###autoload
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499 (make-variable-buffer-local 'list-buffers-directory)
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500
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501 ;; #### not synched
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502 (defun default-list-buffers-identification (output)
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503 (save-excursion
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504 (let ((file (or (buffer-file-name (current-buffer))
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505 (and (boundp 'list-buffers-directory)
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506 list-buffers-directory)))
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507 (size (buffer-size))
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508 (mode mode-name)
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509 eob p s col)
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510 (set-buffer output)
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511 (end-of-line)
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512 (setq eob (point))
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513 (prin1 size output)
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514 (setq p (point))
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515 ;; right-justify the size
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516 (move-to-column 19 t)
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517 (setq col (point))
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518 (if (> eob col)
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519 (goto-char eob))
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520 (setq s (- 6 (- p col)))
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521 (while (> s 0) ; speed/consing tradeoff...
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522 (insert ? )
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523 (setq s (1- s)))
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524 (end-of-line)
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525 (indent-to 27 1)
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526 (insert mode)
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527 (if (not file)
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528 nil
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529 ;; if the mode-name is really long, clip it for the filename
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530 (if (> 0 (setq s (- 39 (current-column))))
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531 (delete-char (max s (- eob (point)))))
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532 (indent-to 40 1)
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533 (insert file)))))
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534
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535 ;; #### not synched
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536 (defun list-buffers-internal (output &optional predicate)
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537 (let ((current (current-buffer))
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538 (buffers (buffer-list)))
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539 (save-excursion
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540 (set-buffer output)
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541 (setq buffer-read-only nil)
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542 (erase-buffer)
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543 (buffer-disable-undo output)
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544 (insert list-buffers-header-line)
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545
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546 (while buffers
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547 (let* ((col1 19)
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548 (buffer (car buffers))
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549 (name (buffer-name buffer))
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550 this-buffer-line-start)
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551 (setq buffers (cdr buffers))
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552 (cond ((null name)) ;deleted buffer
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553 ((and predicate
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554 (not (if (stringp predicate)
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555 (string-match predicate name)
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556 (funcall predicate buffer))))
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557 nil)
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558 (t
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559 (set-buffer buffer)
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560 (let ((ro buffer-read-only)
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561 (id list-buffers-identification))
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562 (set-buffer output)
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563 (setq this-buffer-line-start (point))
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564 (insert (if (eq buffer current)
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565 (progn (setq current (point)) ?\.)
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566 ?\ ))
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567 (insert (if (buffer-modified-p buffer)
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568 ?\*
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569 ?\ ))
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570 (insert (if ro
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571 ?\%
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572 ?\ ))
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573 (if (string-match "[\n\"\\ \t]" name)
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|
574 (let ((print-escape-newlines t))
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575 (prin1 name output))
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576 (insert ?\ name))
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|
577 (indent-to col1 1)
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|
578 (cond ((stringp id)
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579 (insert id))
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|
580 (id
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581 (set-buffer buffer)
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|
582 (condition-case e
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|
583 (funcall id output)
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|
584 (error
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|
585 (princ "***" output) (prin1 e output)))
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586 (set-buffer output)
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587 (goto-char (point-max)))))
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588 (put-nonduplicable-text-property this-buffer-line-start
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589 (point)
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|
590 'buffer-name name)
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|
591 (put-nonduplicable-text-property this-buffer-line-start
|
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592 (point)
|
|
|
593 'highlight t)
|
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|
594 (insert ?\n)))))
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|
595
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|
596 (Buffer-menu-mode)
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|
597 (if (not (bufferp current))
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|
|
598 (goto-char current)))))
|
|
|
599 ;(define-key ctl-x-map "\C-b" 'list-buffers)
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|
|
600
|
|
|
601 (defun list-buffers (&optional files-only)
|
|
|
602 "Display a list of names of existing buffers.
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|
|
603 The list is displayed in a buffer named `*Buffer List*'.
|
|
|
604 Note that buffers with names starting with spaces are omitted.
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|
|
605 Non-null optional arg FILES-ONLY means mention only file buffers.
|
|
|
606
|
|
|
607 The M column contains a * for buffers that are modified.
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|
|
608 The R column contains a % for buffers that are read-only."
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|
609 (interactive (list (if current-prefix-arg t nil))) ; XEmacs
|
|
|
610 (display-buffer (list-buffers-noselect files-only)))
|
|
|
611
|
|
|
612 ;; #### not synched
|
|
|
613 (defun list-buffers-noselect (&optional files-only)
|
|
|
614 "Create and return a buffer with a list of names of existing buffers.
|
|
|
615 The buffer is named `*Buffer List*'.
|
|
|
616 Note that buffers with names starting with spaces are omitted.
|
|
|
617 Non-null optional arg FILES-ONLY means mention only file buffers.
|
|
|
618
|
|
|
619 The M column contains a * for buffers that are modified.
|
|
|
620 The R column contains a % for buffers that are read-only."
|
|
|
621 (let ((buffer (get-buffer-create "*Buffer List*")))
|
|
|
622 (list-buffers-internal buffer
|
|
|
623 (if (memq files-only '(t nil))
|
|
|
624 #'(lambda (b)
|
|
|
625 (let ((n (buffer-name b)))
|
|
|
626 (cond ((and (/= 0 (length n))
|
|
|
627 (= (aref n 0) ?\ ))
|
|
|
628 ;;don't mention if starts with " "
|
|
|
629 nil)
|
|
|
630 (files-only
|
|
|
631 (buffer-file-name b))
|
|
|
632 (t
|
|
|
633 t))))
|
|
|
634 files-only))
|
|
|
635 buffer))
|
|
|
636
|
|
|
637 (provide 'buff-menu)
|
|
|
638
|
|
|
639 ;;; buff-menu.el ends here
|
