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235aa29b ER |
1 | ;;; menu-bar.el --- define a default menu bar. |
2 | ||
b578f267 EN |
3 | ;; Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. |
4 | ||
235aa29b | 5 | ;; Author: RMS |
b7f66977 | 6 | ;; Keywords: internal |
235aa29b | 7 | |
1db87953 RS |
8 | ;; This file is part of GNU Emacs. |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
1db87953 | 24 | |
260130bb KH |
25 | ;; Avishai Yacobi suggested some menu rearrangements. |
26 | ||
b578f267 EN |
27 | ;;; Code: |
28 | ||
d537086b RS |
29 | ;;; User options: |
30 | ||
31 | (defvar buffers-menu-max-size 10 | |
32 | "*Maximum number of entries which may appear on the Buffers menu. | |
33 | If this is 10, then only the ten most-recently-selected buffers are shown. | |
34 | If this is nil, then all buffers are shown. | |
35 | A large number or nil slows down menu responsiveness.") | |
36 | ||
b132f2b1 RM |
37 | ;; Don't clobber an existing menu-bar keymap, to preserve any menu-bar key |
38 | ;; definitions made in loaddefs.el. | |
39 | (or (lookup-key global-map [menu-bar]) | |
40 | (define-key global-map [menu-bar] (make-sparse-keymap "menu-bar"))) | |
22390f50 | 41 | (defvar menu-bar-help-menu (make-sparse-keymap "Help")) |
ffbdd83d RS |
42 | |
43 | ;; Force Help item to come last, after the major mode's own items. | |
0d31efcd KH |
44 | ;; The symbol used to be called `help', but that gets confused with the |
45 | ;; help key. | |
46 | (setq menu-bar-final-items '(help-menu)) | |
ffbdd83d | 47 | |
0d31efcd | 48 | (define-key global-map [menu-bar help-menu] (cons "Help" menu-bar-help-menu)) |
ffbdd83d RS |
49 | (defvar menu-bar-search-menu (make-sparse-keymap "Search")) |
50 | (define-key global-map [menu-bar search] (cons "Search" menu-bar-search-menu)) | |
22390f50 | 51 | (defvar menu-bar-edit-menu (make-sparse-keymap "Edit")) |
40954111 | 52 | (define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu)) |
ffbdd83d RS |
53 | (defvar menu-bar-tools-menu (make-sparse-keymap "Tools")) |
54 | (define-key global-map [menu-bar tools] (cons "Tools" menu-bar-tools-menu)) | |
55 | (defvar menu-bar-files-menu (make-sparse-keymap "Files")) | |
56 | (define-key global-map [menu-bar files] (cons "Files" menu-bar-files-menu)) | |
1b009b97 RS |
57 | |
58 | ;; This alias is for compatibility with 19.28 and before. | |
59 | (defvar menu-bar-file-menu menu-bar-files-menu) | |
9bb8e471 | 60 | \f |
9dcdc43d RS |
61 | (defvar vc-menu-map (make-sparse-keymap "Version Control")) |
62 | ||
147f1d2a RS |
63 | (define-key menu-bar-tools-menu [gdb] '("Debugger..." . gdb)) |
64 | (define-key menu-bar-tools-menu [compile] '("Compile..." . compile)) | |
65 | (define-key menu-bar-tools-menu [grep] '("Search Files..." . grep)) | |
66 | ||
67 | (define-key menu-bar-tools-menu [separator-1] | |
68 | '("--")) | |
69 | ||
e1726722 | 70 | (define-key menu-bar-tools-menu [calendar] '("Display Calendar" . calendar)) |
c0965058 | 71 | (define-key menu-bar-tools-menu [compose-mail] '("Send Mail" . compose-mail)) |
ffbdd83d | 72 | (define-key menu-bar-tools-menu [rmail] '("Read Mail" . rmail)) |
96a699d0 | 73 | (define-key menu-bar-tools-menu [gnus] '("Read Net News" . gnus)) |
ffbdd83d RS |
74 | |
75 | (define-key menu-bar-tools-menu [separator-vc] | |
76 | '("--")) | |
77 | ||
fe74180c | 78 | (define-key menu-bar-tools-menu [vc] |
ffbdd83d | 79 | (cons "Version Control" vc-menu-map)) |
9bb8e471 | 80 | |
ffbdd83d | 81 | (define-key menu-bar-tools-menu [separator-compare] |
9bb8e471 RS |
82 | '("--")) |
83 | ||
ffbdd83d | 84 | (define-key menu-bar-tools-menu [epatch] |
080ac1ac | 85 | '("Apply Patch" . menu-bar-epatch-menu)) |
ffbdd83d | 86 | (define-key menu-bar-tools-menu [ediff-merge] |
5438ecd3 | 87 | '("Merge" . menu-bar-ediff-merge-menu)) |
57eed34a | 88 | (define-key menu-bar-tools-menu [compare] |
40a8cde1 | 89 | '("Compare" . menu-bar-ediff-menu)) |
9bb8e471 | 90 | |
ffbdd83d | 91 | (define-key menu-bar-tools-menu [separator-print] |
9bb8e471 RS |
92 | '("--")) |
93 | ||
ffbdd83d RS |
94 | (put 'print-region 'menu-enable 'mark-active) |
95 | (put 'ps-print-region-with-faces 'menu-enable 'mark-active) | |
96 | ||
97 | (define-key menu-bar-tools-menu [ps-print-region] | |
98 | '("Postscript Print Region" . ps-print-region-with-faces)) | |
99 | (define-key menu-bar-tools-menu [ps-print-buffer] | |
100 | '("Postscript Print Buffer" . ps-print-buffer-with-faces)) | |
101 | (define-key menu-bar-tools-menu [print-region] | |
102 | '("Print Region" . print-region)) | |
103 | (define-key menu-bar-tools-menu [print-buffer] | |
104 | '("Print Buffer" . print-buffer)) | |
105 | \f | |
106 | (define-key menu-bar-files-menu [exit-emacs] | |
107 | '("Exit Emacs" . save-buffers-kill-emacs)) | |
108 | ||
109 | (define-key menu-bar-files-menu [separator-exit] | |
110 | '("--")) | |
111 | ||
112 | (define-key menu-bar-files-menu [one-window] | |
113 | '("One Window" . delete-other-windows)) | |
114 | ||
115 | (define-key menu-bar-files-menu [split-window] | |
116 | '("Split Window" . split-window-vertically)) | |
9bb8e471 | 117 | |
ca1a9692 RS |
118 | (if (fboundp 'delete-frame) |
119 | (progn | |
a4e4b916 RS |
120 | ;; Don't use delete-frame as event name |
121 | ;; because that is a special event. | |
122 | (define-key menu-bar-files-menu [delete-this-frame] | |
ca1a9692 | 123 | '("Delete Frame" . delete-frame)) |
ffbdd83d RS |
124 | (define-key menu-bar-files-menu [make-frame-on-display] |
125 | '("Open New Display..." . make-frame-on-display)) | |
126 | (define-key menu-bar-files-menu [make-frame] | |
ca1a9692 | 127 | '("Make New Frame" . make-frame)))) |
9bb8e471 | 128 | |
ffbdd83d | 129 | (define-key menu-bar-files-menu [separator-buffers] |
9bb8e471 RS |
130 | '("--")) |
131 | ||
ffbdd83d RS |
132 | (define-key menu-bar-files-menu [kill-buffer] |
133 | '("Kill Current Buffer" . kill-this-buffer)) | |
134 | (define-key menu-bar-files-menu [insert-file] | |
1f50590a | 135 | '("Insert File..." . insert-file)) |
ffbdd83d | 136 | (define-key menu-bar-files-menu [revert-buffer] |
2f1139a4 | 137 | '("Revert Buffer" . revert-buffer)) |
ffbdd83d | 138 | (define-key menu-bar-files-menu [write-file] |
2f1139a4 | 139 | '("Save Buffer As..." . write-file)) |
ffbdd83d RS |
140 | (define-key menu-bar-files-menu [save-buffer] '("Save Buffer" . save-buffer)) |
141 | (define-key menu-bar-files-menu [dired] '("Open Directory..." . dired)) | |
142 | (define-key menu-bar-files-menu [open-file] '("Open File..." . find-file)) | |
40a8cde1 | 143 | |
9bb8e471 | 144 | \f |
ffbdd83d RS |
145 | (defun nonincremental-search-forward (string) |
146 | "Read a string and search for it nonincrementally." | |
147 | (interactive "sSearch for string: ") | |
148 | (if (equal string "") | |
149 | (search-forward (car search-ring)) | |
150 | (isearch-update-ring string nil) | |
151 | (search-forward string))) | |
152 | ||
153 | (defun nonincremental-search-backward (string) | |
154 | "Read a string and search backward for it nonincrementally." | |
155 | (interactive "sSearch for string: ") | |
156 | (if (equal string "") | |
157 | (search-backward (car search-ring)) | |
158 | (isearch-update-ring string nil) | |
159 | (search-backward string))) | |
160 | ||
161 | (defun nonincremental-re-search-forward (string) | |
162 | "Read a regular expression and search for it nonincrementally." | |
163 | (interactive "sSearch for regexp: ") | |
164 | (if (equal string "") | |
165 | (re-search-forward (car regexp-search-ring)) | |
166 | (isearch-update-ring string t) | |
167 | (re-search-forward string))) | |
168 | ||
169 | (defun nonincremental-re-search-backward (string) | |
170 | "Read a regular expression and search backward for it nonincrementally." | |
171 | (interactive "sSearch for regexp: ") | |
172 | (if (equal string "") | |
173 | (re-search-backward (car regexp-search-ring)) | |
174 | (isearch-update-ring string t) | |
175 | (re-search-backward string))) | |
176 | ||
1f50590a | 177 | (defun nonincremental-repeat-search-forward () |
ffbdd83d RS |
178 | "Search forward for the previous search string." |
179 | (interactive) | |
180 | (search-forward (car search-ring))) | |
181 | ||
1f50590a | 182 | (defun nonincremental-repeat-search-backward () |
ffbdd83d RS |
183 | "Search backward for the previous search string." |
184 | (interactive) | |
185 | (search-backward (car search-ring))) | |
186 | ||
1f50590a | 187 | (defun nonincremental-repeat-re-search-forward () |
ffbdd83d RS |
188 | "Search forward for the previous regular expression." |
189 | (interactive) | |
190 | (re-search-forward (car regexp-search-ring))) | |
191 | ||
1f50590a | 192 | (defun nonincremental-repeat-re-search-backward () |
ffbdd83d RS |
193 | "Search backward for the previous regular expression." |
194 | (interactive) | |
195 | (re-search-backward (car regexp-search-ring))) | |
196 | ||
1f50590a RS |
197 | (define-key menu-bar-search-menu [query-replace-regexp] |
198 | '("Query Replace Regexp..." . query-replace-regexp)) | |
ffbdd83d | 199 | (define-key menu-bar-search-menu [query-replace] |
1f50590a | 200 | '("Query Replace..." . query-replace)) |
ffbdd83d | 201 | (define-key menu-bar-search-menu [find-tag] |
1f50590a | 202 | '("Find Tag..." . find-tag)) |
ffbdd83d RS |
203 | (define-key menu-bar-search-menu [bookmark] |
204 | '("Bookmarks" . menu-bar-bookmark-map)) | |
205 | ||
206 | (define-key menu-bar-search-menu [separator-search] | |
207 | '("--")) | |
208 | ||
fe74180c | 209 | (define-key menu-bar-search-menu [repeat-regexp-back] |
ffbdd83d | 210 | '("Repeat Regexp Backwards" . nonincremental-repeat-re-search-backward)) |
fe74180c | 211 | (define-key menu-bar-search-menu [repeat-search-back] |
ffbdd83d | 212 | '("Repeat Backwards" . nonincremental-repeat-search-backward)) |
fe74180c | 213 | (define-key menu-bar-search-menu [repeat-regexp-fwd] |
ffbdd83d | 214 | '("Repeat Regexp" . nonincremental-repeat-re-search-forward)) |
fe74180c | 215 | (define-key menu-bar-search-menu [repeat-search-fwd] |
ffbdd83d RS |
216 | '("Repeat Search" . nonincremental-repeat-search-forward)) |
217 | ||
218 | (define-key menu-bar-search-menu [separator-repeat] | |
9bb8e471 RS |
219 | '("--")) |
220 | ||
fe74180c | 221 | (define-key menu-bar-search-menu [re-search-backward] |
1f50590a | 222 | '("Regexp Search Backwards..." . nonincremental-re-search-backward)) |
fe74180c | 223 | (define-key menu-bar-search-menu [search-backward] |
1f50590a | 224 | '("Search Backwards..." . nonincremental-search-backward)) |
fe74180c | 225 | (define-key menu-bar-search-menu [re-search-forward] |
1f50590a | 226 | '("Regexp Search..." . nonincremental-re-search-forward)) |
fe74180c | 227 | (define-key menu-bar-search-menu [search-forward] |
1f50590a | 228 | '("Search..." . nonincremental-search-forward)) |
ffbdd83d | 229 | \f |
5b42ec2b RS |
230 | (if (fboundp 'start-process) |
231 | (define-key menu-bar-edit-menu [spell] '("Spell" . ispell-menu-map))) | |
9bb8e471 | 232 | (define-key menu-bar-edit-menu [fill] '("Fill" . fill-region)) |
6507ffb1 | 233 | (define-key menu-bar-edit-menu [props] '("Text Properties" . facemenu-menu)) |
9bb8e471 RS |
234 | |
235 | (define-key menu-bar-edit-menu [separator-edit] | |
236 | '("--")) | |
237 | ||
238 | (define-key menu-bar-edit-menu [clear] '("Clear" . delete-region)) | |
3dd92899 | 239 | |
e1726722 | 240 | (define-key menu-bar-edit-menu [paste] '("Paste Most Recent" . yank)) |
3dd92899 KH |
241 | |
242 | (defvar yank-menu (cons "Select Yank" nil)) | |
243 | (fset 'yank-menu (cons 'keymap yank-menu)) | |
244 | (define-key menu-bar-edit-menu [select-paste] '("Select and Paste" . yank-menu)) | |
4c0317b1 | 245 | (define-key menu-bar-edit-menu [copy] '("Copy" . menu-bar-kill-ring-save)) |
057d49d1 RS |
246 | (define-key menu-bar-edit-menu [cut] '("Cut" . kill-region)) |
247 | (define-key menu-bar-edit-menu [undo] '("Undo" . undo)) | |
248 | ||
4c0317b1 RS |
249 | (defun menu-bar-kill-ring-save (beg end) |
250 | (interactive "r") | |
251 | (if (mouse-region-match) | |
252 | (message "Select a region with the mouse does `copy' automatically") | |
253 | (kill-ring-save beg end))) | |
254 | ||
25b048ee RS |
255 | (put 'fill-region 'menu-enable '(and mark-active (not buffer-read-only))) |
256 | (put 'kill-region 'menu-enable '(and mark-active (not buffer-read-only))) | |
4c0317b1 | 257 | (put 'menu-bar-kill-ring-save 'menu-enable 'mark-active) |
25b048ee RS |
258 | (put 'yank 'menu-enable '(and (x-selection-exists-p) (not buffer-read-only))) |
259 | (put 'yank-menu 'menu-enable '(and (cdr yank-menu) (not buffer-read-only))) | |
4c0317b1 | 260 | (put 'delete-region 'menu-enable '(and mark-active |
25b048ee | 261 | (not buffer-read-only) |
4c0317b1 | 262 | (not (mouse-region-match)))) |
25b048ee RS |
263 | (put 'undo 'menu-enable '(and (not buffer-read-only) |
264 | (if (eq last-command 'undo) | |
265 | pending-undo-list | |
266 | (consp buffer-undo-list)))) | |
3a841b0b | 267 | (put 'query-replace 'menu-enable '(not buffer-read-only)) |
25b048ee | 268 | (put 'query-replace-regexp 'menu-enable '(not buffer-read-only)) |
db774a16 | 269 | |
9e18f0a0 RS |
270 | (autoload 'ispell-menu-map "ispell" nil t 'keymap) |
271 | ||
f9cf0be2 | 272 | ;; These are alternative definitions for the cut, paste and copy |
4c0317b1 | 273 | ;; menu items. Use them if your system expects these to use the clipboard. |
f9cf0be2 | 274 | |
f9cf0be2 RS |
275 | (put 'clipboard-kill-region 'menu-enable 'mark-active) |
276 | (put 'clipboard-kill-ring-save 'menu-enable 'mark-active) | |
277 | (put 'clipboard-yank 'menu-enable | |
278 | '(or (x-selection-exists-p) (x-selection-exists-p 'CLIPBOARD))) | |
279 | ||
280 | (defun clipboard-yank () | |
281 | "Reinsert the last stretch of killed text, or the clipboard contents." | |
282 | (interactive) | |
283 | (let ((x-select-enable-clipboard t)) | |
284 | (yank))) | |
285 | ||
286 | (defun clipboard-kill-ring-save (beg end) | |
287 | "Copy region to kill ring, and save in the X clipboard." | |
288 | (interactive "r") | |
289 | (let ((x-select-enable-clipboard t)) | |
290 | (kill-ring-save beg end))) | |
291 | ||
292 | (defun clipboard-kill-region (beg end) | |
293 | "Kill the region, and save it in the X clipboard." | |
294 | (interactive "r") | |
295 | (let ((x-select-enable-clipboard t)) | |
296 | (kill-region beg end))) | |
297 | ||
298 | (defun menu-bar-enable-clipboard () | |
5cbdeb30 RS |
299 | "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard. |
300 | Do the same for the keys of the same name." | |
f9cf0be2 | 301 | (interactive) |
5754d7f2 RS |
302 | ;; We can't use constant list structure here because it becomes pure, |
303 | ;; and because it gets modified with cache data. | |
304 | (define-key menu-bar-edit-menu [paste] | |
305 | (cons "Paste" 'clipboard-yank)) | |
306 | (define-key menu-bar-edit-menu [copy] | |
307 | (cons "Copy" 'clipboard-kill-ring-save)) | |
308 | (define-key menu-bar-edit-menu [cut] | |
5cbdeb30 RS |
309 | (cons "Cut" 'clipboard-kill-region)) |
310 | ||
311 | (define-key global-map [f20] 'clipboard-kill-region) | |
312 | (define-key global-map [f16] 'clipboard-kill-ring-save) | |
313 | (define-key global-map [f18] 'clipboard-yank) | |
314 | ;; X11R6 versions | |
315 | (define-key global-map [cut] 'clipboard-kill-region) | |
316 | (define-key global-map [copy] 'clipboard-kill-ring-save) | |
317 | (define-key global-map [paste] 'clipboard-yank)) | |
f9cf0be2 | 318 | \f |
efb166ff RS |
319 | (define-key menu-bar-help-menu [emacs-version] |
320 | '("Show Version" . emacs-version)) | |
48433a65 | 321 | (define-key menu-bar-help-menu [report-emacs-bug] |
1c6e18f6 | 322 | '("Send Bug Report..." . report-emacs-bug)) |
260130bb KH |
323 | (define-key menu-bar-help-menu [finder-by-keyword] |
324 | '("Find Lisp Packages..." . finder-by-keyword)) | |
ca9b40a1 | 325 | (define-key menu-bar-help-menu [emacs-tutorial] |
db774a16 | 326 | '("Emacs Tutorial" . help-with-tutorial)) |
260130bb KH |
327 | (define-key menu-bar-help-menu [man] |
328 | '("Man..." . manual-entry)) | |
2f1139a4 RS |
329 | (define-key menu-bar-help-menu [describe-variable] |
330 | '("Describe Variable..." . describe-variable)) | |
331 | (define-key menu-bar-help-menu [describe-function] | |
332 | '("Describe Function..." . describe-function)) | |
333 | (define-key menu-bar-help-menu [describe-key] | |
334 | '("Describe Key..." . describe-key)) | |
335 | (define-key menu-bar-help-menu [list-keybindings] | |
336 | '("List Keybindings" . describe-bindings)) | |
337 | (define-key menu-bar-help-menu [command-apropos] | |
338 | '("Command Apropos..." . command-apropos)) | |
339 | (define-key menu-bar-help-menu [describe-mode] | |
340 | '("Describe Mode" . describe-mode)) | |
e1726722 | 341 | (define-key menu-bar-help-menu [info] '("Browse Manuals" . info)) |
889560ed | 342 | (define-key menu-bar-help-menu [emacs-faq] '("Emacs FAQ" . view-emacs-FAQ)) |
2f1139a4 | 343 | (define-key menu-bar-help-menu [emacs-news] '("Emacs News" . view-emacs-news)) |
889560ed | 344 | |
db774a16 RS |
345 | (defun kill-this-buffer () ; for the menubar |
346 | "Kills the current buffer." | |
347 | (interactive) | |
348 | (kill-buffer (current-buffer))) | |
349 | ||
2f1139a4 RS |
350 | (defun kill-this-buffer-enabled-p () |
351 | (let ((count 0) | |
352 | (buffers (buffer-list))) | |
353 | (while buffers | |
354 | (or (string-match "^ " (buffer-name (car buffers))) | |
355 | (setq count (1+ count))) | |
356 | (setq buffers (cdr buffers))) | |
a6f8cbf1 | 357 | (and (not (window-minibuffer-p (frame-selected-window menu-updating-frame))) |
1f50590a RS |
358 | (> count 1)))) |
359 | ||
360 | (put 'kill-this-buffer 'menu-enable '(kill-this-buffer-enabled-p)) | |
361 | ||
362 | (put 'save-buffer 'menu-enable | |
363 | '(and (buffer-modified-p) | |
a6f8cbf1 | 364 | (not (window-minibuffer-p (frame-selected-window menu-updating-frame))))) |
1f50590a RS |
365 | |
366 | (put 'write-file 'menu-enable | |
a6f8cbf1 | 367 | '(not (window-minibuffer-p (frame-selected-window menu-updating-frame)))) |
1f50590a RS |
368 | |
369 | (put 'find-file 'menu-enable | |
a6f8cbf1 | 370 | '(not (window-minibuffer-p (frame-selected-window menu-updating-frame)))) |
1f50590a RS |
371 | |
372 | (put 'dired 'menu-enable | |
a6f8cbf1 | 373 | '(not (window-minibuffer-p (frame-selected-window menu-updating-frame)))) |
1f50590a RS |
374 | |
375 | (put 'insert-file 'menu-enable | |
a6f8cbf1 | 376 | '(not (window-minibuffer-p (frame-selected-window menu-updating-frame)))) |
2f1139a4 | 377 | |
da183f87 RS |
378 | (put 'revert-buffer 'menu-enable |
379 | '(or revert-buffer-function revert-buffer-insert-file-contents-function | |
380 | (and (buffer-file-name) | |
660fa562 RM |
381 | (or (buffer-modified-p) |
382 | (not (verify-visited-file-modtime (current-buffer))))))) | |
82a74107 | 383 | |
a0213a97 RS |
384 | ;; Permit deleting frame if it would leave a visible or iconified frame. |
385 | (put 'delete-frame 'menu-enable | |
82a74107 KH |
386 | '(delete-frame-enabled-p)) |
387 | ||
388 | (defun delete-frame-enabled-p () | |
389 | "Return non-nil if `delete-frame' should be enabled in the menu bar." | |
390 | (let ((frames (frame-list)) | |
27aa8132 RS |
391 | (count 0)) |
392 | (while frames | |
393 | (if (frame-visible-p (car frames)) | |
394 | (setq count (1+ count))) | |
395 | (setq frames (cdr frames))) | |
396 | (> count 1))) | |
2f1139a4 | 397 | |
db774a16 RS |
398 | (put 'advertised-undo 'menu-enable |
399 | '(and (not (eq t buffer-undo-list)) | |
400 | (if (eq last-command 'undo) | |
2f1139a4 RS |
401 | (and (boundp 'pending-undo-list) |
402 | pending-undo-list) | |
403 | buffer-undo-list))) | |
2877eac2 | 404 | |
c3e1d435 | 405 | (defvar yank-menu-length 20 |
3dd92899 KH |
406 | "*Maximum length to display in the yank-menu.") |
407 | ||
408 | (defun menu-bar-update-yank-menu (string old) | |
409 | (let ((front (car (cdr yank-menu))) | |
410 | (menu-string (if (<= (length string) yank-menu-length) | |
411 | string | |
c3e1d435 RS |
412 | (concat |
413 | (substring string 0 (/ yank-menu-length 2)) | |
414 | "..." | |
415 | (substring string (- (/ yank-menu-length 2))))))) | |
7c70a955 RS |
416 | ;; Don't let the menu string be all dashes |
417 | ;; because that has a special meaning in a menu. | |
418 | (if (string-match "\\`-+\\'" menu-string) | |
419 | (setq menu-string (concat menu-string " "))) | |
3dd92899 KH |
420 | ;; If we're supposed to be extending an existing string, and that |
421 | ;; string really is at the front of the menu, then update it in place. | |
422 | (if (and old (or (eq old (car front)) | |
423 | (string= old (car front)))) | |
dfabc98f | 424 | (progn |
3dd92899 KH |
425 | (setcar front string) |
426 | (setcar (cdr front) menu-string)) | |
427 | (setcdr yank-menu | |
428 | (cons | |
429 | (cons string (cons menu-string 'menu-bar-select-yank)) | |
430 | (cdr yank-menu))))) | |
431 | (if (> (length (cdr yank-menu)) kill-ring-max) | |
432 | (setcdr (nthcdr kill-ring-max yank-menu) nil))) | |
433 | ||
434 | (defun menu-bar-select-yank () | |
435 | (interactive "*") | |
436 | (push-mark (point)) | |
437 | (insert last-command-event)) | |
40954111 | 438 | \f |
3f557298 RS |
439 | ;; This definition is just to show what this looks like. |
440 | ;; It gets overridden below when menu-bar-update-buffers is called. | |
441 | (define-key global-map [menu-bar buffer] | |
442 | (cons "Buffers" (make-sparse-keymap "Buffers"))) | |
40954111 | 443 | |
d0690d12 RS |
444 | (defvar list-buffers-directory nil) |
445 | ||
08e8171f RS |
446 | (defvar menu-bar-update-buffers-maxbuf) |
447 | ||
09642d97 RS |
448 | (defun menu-bar-select-buffer () |
449 | (interactive) | |
450 | (switch-to-buffer last-command-event)) | |
451 | ||
452 | (defun menu-bar-select-frame () | |
453 | (interactive) | |
454 | (make-frame-visible last-command-event) | |
455 | (raise-frame last-command-event) | |
456 | (select-frame last-command-event)) | |
457 | ||
c171b42f RS |
458 | (defun menu-bar-update-buffers-1 (elt) |
459 | (cons (format | |
08e8171f | 460 | (format "%%%ds %%s%%s %%s" menu-bar-update-buffers-maxbuf) |
c171b42f RS |
461 | (cdr elt) |
462 | (if (buffer-modified-p (car elt)) | |
463 | "*" " ") | |
464 | (save-excursion | |
465 | (set-buffer (car elt)) | |
466 | (if buffer-read-only "%" " ")) | |
467 | (let ((file | |
468 | (or (buffer-file-name (car elt)) | |
469 | (save-excursion | |
470 | (set-buffer (car elt)) | |
471 | list-buffers-directory) | |
472 | ""))) | |
473 | (setq file (or (file-name-directory file) | |
474 | "")) | |
475 | (if (> (length file) 20) | |
476 | (setq file (concat "..." (substring file -17)))) | |
477 | file)) | |
478 | (car elt))) | |
479 | ||
06ff7539 RS |
480 | (defvar menu-bar-buffers-menu-list-buffers-entry nil) |
481 | ||
09642d97 | 482 | (defun menu-bar-update-buffers () |
29397c58 | 483 | ;; If user discards the Buffers item, play along. |
4d587a6c | 484 | (and (lookup-key (current-global-map) [menu-bar buffer]) |
29397c58 RS |
485 | (frame-or-buffer-changed-p) |
486 | (let ((buffers (buffer-list)) | |
487 | (frames (frame-list)) | |
b3398af1 | 488 | (maxlen 0) |
29397c58 RS |
489 | buffers-menu frames-menu) |
490 | ;; If requested, list only the N most recently selected buffers. | |
491 | (if (and (integerp buffers-menu-max-size) | |
492 | (> buffers-menu-max-size 1)) | |
493 | (if (> (length buffers) buffers-menu-max-size) | |
494 | (setcdr (nthcdr buffers-menu-max-size buffers) nil))) | |
495 | ||
496 | ;; Make the menu of buffers proper. | |
497 | (setq buffers-menu | |
498 | (cons "Select Buffer" | |
c171b42f RS |
499 | (let* ((buffer-list |
500 | (mapcar 'list buffers)) | |
501 | tail | |
08e8171f | 502 | (menu-bar-update-buffers-maxbuf 0) |
c171b42f RS |
503 | alist |
504 | head) | |
505 | ;; Put into each element of buffer-list | |
506 | ;; the name for actual display, | |
507 | ;; perhaps truncated in the middle. | |
508 | (setq tail buffer-list) | |
509 | (while tail | |
510 | (let ((name (buffer-name (car (car tail))))) | |
511 | (setcdr (car tail) | |
512 | (if (> (length name) 27) | |
513 | (concat (substring name 0 12) | |
514 | "..." | |
515 | (substring name -12)) | |
516 | name))) | |
517 | (setq tail (cdr tail))) | |
518 | ;; Compute the maximum length of any name. | |
519 | (setq tail buffer-list) | |
29397c58 | 520 | (while tail |
c171b42f | 521 | (or (eq ?\ (aref (cdr (car tail)) 0)) |
08e8171f RS |
522 | (setq menu-bar-update-buffers-maxbuf |
523 | (max menu-bar-update-buffers-maxbuf | |
c171b42f | 524 | (length (cdr (car tail)))))) |
29397c58 | 525 | (setq tail (cdr tail))) |
c171b42f RS |
526 | ;; Set ALIST to an alist of the form |
527 | ;; ITEM-STRING . BUFFER | |
528 | (setq tail buffer-list) | |
29397c58 RS |
529 | (while tail |
530 | (let ((elt (car tail))) | |
c171b42f | 531 | (or (eq ?\ (aref (cdr elt) 0)) |
29397c58 | 532 | (setq alist (cons |
c171b42f | 533 | (menu-bar-update-buffers-1 elt) |
29397c58 RS |
534 | alist))) |
535 | (and alist (> (length (car (car alist))) maxlen) | |
536 | (setq maxlen (length (car (car alist)))))) | |
537 | (setq tail (cdr tail))) | |
538 | (setq alist (nreverse alist)) | |
06ff7539 RS |
539 | ;; Make the menu item for list-buffers |
540 | ;; or reuse the one we already have. | |
541 | ;; The advantage in reusing one | |
542 | ;; is that it already has the keyboard equivalent | |
543 | ;; cached, so we save the time to look that up again. | |
544 | (or menu-bar-buffers-menu-list-buffers-entry | |
545 | (setq menu-bar-buffers-menu-list-buffers-entry | |
546 | (cons | |
547 | 'list-buffers | |
548 | (cons | |
549 | "" | |
550 | 'list-buffers)))) | |
551 | ;; Update the item string for menu's new width. | |
552 | (setcar (cdr menu-bar-buffers-menu-list-buffers-entry) | |
553 | (concat (make-string (max (- (/ maxlen 2) 8) 0) | |
554 | ?\ ) | |
555 | "List All Buffers")) | |
556 | ;; Now make the actual list of items, | |
557 | ;; ending with the list-buffers item. | |
29397c58 RS |
558 | (nconc (mapcar '(lambda (pair) |
559 | ;; This is somewhat risque, to use | |
560 | ;; the buffer name itself as the event | |
561 | ;; type to define, but it works. | |
562 | ;; It would not work to use the buffer | |
563 | ;; since a buffer as an event has its | |
564 | ;; own meaning. | |
565 | (nconc (list (buffer-name (cdr pair)) | |
566 | (car pair) | |
567 | (cons nil nil)) | |
568 | 'menu-bar-select-buffer)) | |
569 | alist) | |
06ff7539 | 570 | (list menu-bar-buffers-menu-list-buffers-entry))))) |
29397c58 RS |
571 | |
572 | ||
573 | ;; Make a Frames menu if we have more than one frame. | |
574 | (if (cdr frames) | |
b3398af1 RS |
575 | (let ((name (concat (make-string (max (- (/ maxlen 2) 3) 0) |
576 | ?\ ) | |
577 | "Frames")) | |
578 | (frames-menu | |
579 | (cons 'keymap | |
580 | (cons "Select Frame" | |
581 | (mapcar '(lambda (frame) | |
582 | (nconc (list frame | |
583 | (cdr (assq 'name | |
584 | (frame-parameters frame))) | |
585 | (cons nil nil)) | |
586 | 'menu-bar-select-frame)) | |
587 | frames))))) | |
588 | ;; Put it underneath the Buffers menu. | |
589 | (setq buffers-menu (cons (cons 'frames (cons name frames-menu)) | |
590 | buffers-menu)))) | |
29397c58 RS |
591 | (if buffers-menu |
592 | (setq buffers-menu (cons 'keymap buffers-menu))) | |
4d587a6c | 593 | (define-key (current-global-map) [menu-bar buffer] |
b3398af1 | 594 | (cons "Buffers" buffers-menu))))) |
09642d97 RS |
595 | |
596 | (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers) | |
2f1139a4 | 597 | |
3f557298 RS |
598 | (menu-bar-update-buffers) |
599 | ||
40954111 RS |
600 | ;; this version is too slow |
601 | ;;;(defun format-buffers-menu-line (buffer) | |
602 | ;;; "Returns a string to represent the given buffer in the Buffer menu. | |
603 | ;;;nil means the buffer shouldn't be listed. You can redefine this." | |
604 | ;;; (if (string-match "\\` " (buffer-name buffer)) | |
605 | ;;; nil | |
606 | ;;; (save-excursion | |
607 | ;;; (set-buffer buffer) | |
608 | ;;; (let ((size (buffer-size))) | |
609 | ;;; (format "%s%s %-19s %6s %-15s %s" | |
610 | ;;; (if (buffer-modified-p) "*" " ") | |
611 | ;;; (if buffer-read-only "%" " ") | |
612 | ;;; (buffer-name) | |
613 | ;;; size | |
614 | ;;; mode-name | |
615 | ;;; (or (buffer-file-name) "")))))) | |
616 | \f | |
25b048ee RS |
617 | ;;; Set up a menu bar menu for the minibuffer. |
618 | ||
619 | (mapcar | |
620 | (function | |
621 | (lambda (map) | |
622 | (define-key map [menu-bar minibuf] | |
623 | (cons "Minibuf" (make-sparse-keymap "Minibuf"))))) | |
624 | (list minibuffer-local-ns-map | |
625 | minibuffer-local-must-match-map | |
626 | minibuffer-local-isearch-map | |
627 | minibuffer-local-map | |
628 | minibuffer-local-completion-map)) | |
629 | ||
630 | (mapcar | |
631 | (function | |
632 | (lambda (map) | |
633 | (define-key map [menu-bar minibuf ?\?] | |
634 | '("List Completions" . minibuffer-completion-help)) | |
635 | (define-key map [menu-bar minibuf space] | |
636 | '("Complete Word" . minibuffer-complete-word)) | |
637 | (define-key map [menu-bar minibuf tab] | |
4e9d1906 | 638 | '("Complete" . minibuffer-complete)) |
25b048ee RS |
639 | )) |
640 | (list minibuffer-local-must-match-map | |
641 | minibuffer-local-completion-map)) | |
642 | ||
643 | (mapcar | |
644 | (function | |
645 | (lambda (map) | |
646 | (define-key map [menu-bar minibuf quit] | |
647 | '("Quit" . keyboard-escape-quit)) | |
648 | (define-key map [menu-bar minibuf return] | |
649 | '("Enter" . exit-minibuffer)) | |
650 | )) | |
651 | (list minibuffer-local-ns-map | |
652 | minibuffer-local-must-match-map | |
653 | minibuffer-local-isearch-map | |
654 | minibuffer-local-map | |
655 | minibuffer-local-completion-map)) | |
656 | \f | |
7b7d6615 RS |
657 | (defvar menu-bar-mode nil) |
658 | ||
057d49d1 | 659 | (defun menu-bar-mode (flag) |
dfd29450 | 660 | "Toggle display of a menu bar on each frame. |
057d49d1 RS |
661 | This command applies to all frames that exist and frames to be |
662 | created in the future. | |
663 | With a numeric argument, if the argument is negative, | |
dfd29450 | 664 | turn off menu bars; otherwise, turn on menu bars." |
dad8e392 | 665 | (interactive "P") |
dad8e392 | 666 | |
7b7d6615 RS |
667 | ;; Make menu-bar-mode and default-frame-alist consistent. |
668 | (let ((default (assq 'menu-bar-lines default-frame-alist))) | |
669 | (if default | |
670 | (setq menu-bar-mode (not (eq (cdr default) 0))) | |
671 | (setq default-frame-alist | |
672 | (cons (cons 'menu-bar-lines (if menu-bar-mode 1 0)) | |
673 | default-frame-alist)))) | |
674 | ||
675 | ;; Toggle or set the mode, according to FLAG. | |
676 | (setq menu-bar-mode (if (null flag) (not menu-bar-mode) | |
677 | (> (prefix-numeric-value flag) 0))) | |
678 | ||
679 | ;; Apply it to default-frame-alist. | |
680 | (let ((parameter (assq 'menu-bar-lines default-frame-alist))) | |
681 | (if (consp parameter) | |
682 | (setcdr parameter (if menu-bar-mode 1 0)) | |
683 | (setq default-frame-alist | |
684 | (cons (cons 'menu-bar-lines (if menu-bar-mode 1 0)) | |
685 | default-frame-alist)))) | |
686 | ||
687 | ;; Apply it to existing frames. | |
688 | (let ((frames (frame-list))) | |
689 | (while frames | |
690 | (let ((height (cdr (assq 'height (frame-parameters (car frames)))))) | |
691 | (modify-frame-parameters (car frames) | |
692 | (list (cons 'menu-bar-lines | |
693 | (if menu-bar-mode 1 0)))) | |
694 | (modify-frame-parameters (car frames) | |
695 | (list (cons 'height height)))) | |
696 | (setq frames (cdr frames))))) | |
1db87953 | 697 | |
bffa5d4d RS |
698 | (provide 'menu-bar) |
699 | ||
235aa29b | 700 | ;;; menu-bar.el ends here |