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235aa29b ER |
1 | ;;; menu-bar.el --- define a default menu bar. |
2 | ||
3 | ;; Author: RMS | |
b7f66977 | 4 | ;; Keywords: internal |
235aa29b | 5 | |
f8c25f1b | 6 | ;; Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. |
1db87953 RS |
7 | |
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 | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to | |
22 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | ||
260130bb KH |
24 | ;; Avishai Yacobi suggested some menu rearrangements. |
25 | ||
235aa29b | 26 | ;;; Code: |
1db87953 | 27 | |
b132f2b1 RM |
28 | ;; Don't clobber an existing menu-bar keymap, to preserve any menu-bar key |
29 | ;; definitions made in loaddefs.el. | |
30 | (or (lookup-key global-map [menu-bar]) | |
31 | (define-key global-map [menu-bar] (make-sparse-keymap "menu-bar"))) | |
22390f50 | 32 | (defvar menu-bar-help-menu (make-sparse-keymap "Help")) |
ffbdd83d RS |
33 | |
34 | ;; Force Help item to come last, after the major mode's own items. | |
0d31efcd KH |
35 | ;; The symbol used to be called `help', but that gets confused with the |
36 | ;; help key. | |
37 | (setq menu-bar-final-items '(help-menu)) | |
ffbdd83d | 38 | |
0d31efcd | 39 | (define-key global-map [menu-bar help-menu] (cons "Help" menu-bar-help-menu)) |
ffbdd83d RS |
40 | (defvar menu-bar-search-menu (make-sparse-keymap "Search")) |
41 | (define-key global-map [menu-bar search] (cons "Search" menu-bar-search-menu)) | |
22390f50 | 42 | (defvar menu-bar-edit-menu (make-sparse-keymap "Edit")) |
40954111 | 43 | (define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu)) |
ffbdd83d RS |
44 | (defvar menu-bar-tools-menu (make-sparse-keymap "Tools")) |
45 | (define-key global-map [menu-bar tools] (cons "Tools" menu-bar-tools-menu)) | |
46 | (defvar menu-bar-files-menu (make-sparse-keymap "Files")) | |
47 | (define-key global-map [menu-bar files] (cons "Files" menu-bar-files-menu)) | |
1b009b97 RS |
48 | |
49 | ;; This alias is for compatibility with 19.28 and before. | |
50 | (defvar menu-bar-file-menu menu-bar-files-menu) | |
9bb8e471 | 51 | \f |
9dcdc43d RS |
52 | (defvar vc-menu-map (make-sparse-keymap "Version Control")) |
53 | ||
e1726722 | 54 | (define-key menu-bar-tools-menu [calendar] '("Display Calendar" . calendar)) |
ffbdd83d | 55 | (define-key menu-bar-tools-menu [rmail] '("Read Mail" . rmail)) |
231e734d RS |
56 | (if (fboundp 'open-network-stream) |
57 | (define-key menu-bar-tools-menu [gnus] '("Read Net News" . gnus))) | |
ffbdd83d RS |
58 | |
59 | (define-key menu-bar-tools-menu [separator-vc] | |
60 | '("--")) | |
61 | ||
62 | (define-key menu-bar-tools-menu [vc-menu] | |
63 | (cons "Version Control" vc-menu-map)) | |
9bb8e471 | 64 | |
ffbdd83d | 65 | (define-key menu-bar-tools-menu [separator-compare] |
9bb8e471 RS |
66 | '("--")) |
67 | ||
ffbdd83d | 68 | (define-key menu-bar-tools-menu [epatch] |
080ac1ac | 69 | '("Apply Patch" . menu-bar-epatch-menu)) |
ffbdd83d | 70 | (define-key menu-bar-tools-menu [ediff-merge] |
5438ecd3 | 71 | '("Merge" . menu-bar-ediff-merge-menu)) |
57eed34a | 72 | (define-key menu-bar-tools-menu [compare] |
40a8cde1 | 73 | '("Compare" . menu-bar-ediff-menu)) |
9bb8e471 | 74 | |
ffbdd83d | 75 | (define-key menu-bar-tools-menu [separator-print] |
9bb8e471 RS |
76 | '("--")) |
77 | ||
ffbdd83d RS |
78 | (put 'print-region 'menu-enable 'mark-active) |
79 | (put 'ps-print-region-with-faces 'menu-enable 'mark-active) | |
80 | ||
81 | (define-key menu-bar-tools-menu [ps-print-region] | |
82 | '("Postscript Print Region" . ps-print-region-with-faces)) | |
83 | (define-key menu-bar-tools-menu [ps-print-buffer] | |
84 | '("Postscript Print Buffer" . ps-print-buffer-with-faces)) | |
85 | (define-key menu-bar-tools-menu [print-region] | |
86 | '("Print Region" . print-region)) | |
87 | (define-key menu-bar-tools-menu [print-buffer] | |
88 | '("Print Buffer" . print-buffer)) | |
89 | \f | |
90 | (define-key menu-bar-files-menu [exit-emacs] | |
91 | '("Exit Emacs" . save-buffers-kill-emacs)) | |
92 | ||
93 | (define-key menu-bar-files-menu [separator-exit] | |
94 | '("--")) | |
95 | ||
96 | (define-key menu-bar-files-menu [one-window] | |
97 | '("One Window" . delete-other-windows)) | |
98 | ||
99 | (define-key menu-bar-files-menu [split-window] | |
100 | '("Split Window" . split-window-vertically)) | |
9bb8e471 | 101 | |
ca1a9692 RS |
102 | (if (fboundp 'delete-frame) |
103 | (progn | |
ffbdd83d | 104 | (define-key menu-bar-files-menu [delete-frame] |
ca1a9692 | 105 | '("Delete Frame" . delete-frame)) |
ffbdd83d RS |
106 | (define-key menu-bar-files-menu [make-frame-on-display] |
107 | '("Open New Display..." . make-frame-on-display)) | |
108 | (define-key menu-bar-files-menu [make-frame] | |
ca1a9692 | 109 | '("Make New Frame" . make-frame)))) |
9bb8e471 | 110 | |
ffbdd83d | 111 | (define-key menu-bar-files-menu [separator-buffers] |
9bb8e471 RS |
112 | '("--")) |
113 | ||
ffbdd83d RS |
114 | (define-key menu-bar-files-menu [kill-buffer] |
115 | '("Kill Current Buffer" . kill-this-buffer)) | |
116 | (define-key menu-bar-files-menu [insert-file] | |
1f50590a | 117 | '("Insert File..." . insert-file)) |
ffbdd83d | 118 | (define-key menu-bar-files-menu [revert-buffer] |
2f1139a4 | 119 | '("Revert Buffer" . revert-buffer)) |
ffbdd83d | 120 | (define-key menu-bar-files-menu [write-file] |
2f1139a4 | 121 | '("Save Buffer As..." . write-file)) |
ffbdd83d RS |
122 | (define-key menu-bar-files-menu [save-buffer] '("Save Buffer" . save-buffer)) |
123 | (define-key menu-bar-files-menu [dired] '("Open Directory..." . dired)) | |
124 | (define-key menu-bar-files-menu [open-file] '("Open File..." . find-file)) | |
40a8cde1 RS |
125 | |
126 | ;; This is just one element of the ediff menu--the first. | |
127 | (define-key menu-bar-ediff-menu [window] | |
128 | '("This Window And Next Window" . compare-windows)) | |
9bb8e471 | 129 | \f |
ffbdd83d RS |
130 | (defun nonincremental-search-forward (string) |
131 | "Read a string and search for it nonincrementally." | |
132 | (interactive "sSearch for string: ") | |
133 | (if (equal string "") | |
134 | (search-forward (car search-ring)) | |
135 | (isearch-update-ring string nil) | |
136 | (search-forward string))) | |
137 | ||
138 | (defun nonincremental-search-backward (string) | |
139 | "Read a string and search backward for it nonincrementally." | |
140 | (interactive "sSearch for string: ") | |
141 | (if (equal string "") | |
142 | (search-backward (car search-ring)) | |
143 | (isearch-update-ring string nil) | |
144 | (search-backward string))) | |
145 | ||
146 | (defun nonincremental-re-search-forward (string) | |
147 | "Read a regular expression and search for it nonincrementally." | |
148 | (interactive "sSearch for regexp: ") | |
149 | (if (equal string "") | |
150 | (re-search-forward (car regexp-search-ring)) | |
151 | (isearch-update-ring string t) | |
152 | (re-search-forward string))) | |
153 | ||
154 | (defun nonincremental-re-search-backward (string) | |
155 | "Read a regular expression and search backward for it nonincrementally." | |
156 | (interactive "sSearch for regexp: ") | |
157 | (if (equal string "") | |
158 | (re-search-backward (car regexp-search-ring)) | |
159 | (isearch-update-ring string t) | |
160 | (re-search-backward string))) | |
161 | ||
1f50590a | 162 | (defun nonincremental-repeat-search-forward () |
ffbdd83d RS |
163 | "Search forward for the previous search string." |
164 | (interactive) | |
165 | (search-forward (car search-ring))) | |
166 | ||
1f50590a | 167 | (defun nonincremental-repeat-search-backward () |
ffbdd83d RS |
168 | "Search backward for the previous search string." |
169 | (interactive) | |
170 | (search-backward (car search-ring))) | |
171 | ||
1f50590a | 172 | (defun nonincremental-repeat-re-search-forward () |
ffbdd83d RS |
173 | "Search forward for the previous regular expression." |
174 | (interactive) | |
175 | (re-search-forward (car regexp-search-ring))) | |
176 | ||
1f50590a | 177 | (defun nonincremental-repeat-re-search-backward () |
ffbdd83d RS |
178 | "Search backward for the previous regular expression." |
179 | (interactive) | |
180 | (re-search-backward (car regexp-search-ring))) | |
181 | ||
1f50590a RS |
182 | (define-key menu-bar-search-menu [query-replace-regexp] |
183 | '("Query Replace Regexp..." . query-replace-regexp)) | |
ffbdd83d | 184 | (define-key menu-bar-search-menu [query-replace] |
1f50590a | 185 | '("Query Replace..." . query-replace)) |
ffbdd83d | 186 | (define-key menu-bar-search-menu [find-tag] |
1f50590a | 187 | '("Find Tag..." . find-tag)) |
ffbdd83d RS |
188 | (define-key menu-bar-search-menu [bookmark] |
189 | '("Bookmarks" . menu-bar-bookmark-map)) | |
190 | ||
191 | (define-key menu-bar-search-menu [separator-search] | |
192 | '("--")) | |
193 | ||
194 | (define-key menu-bar-search-menu [nonincremental-repeat-re-search-back] | |
195 | '("Repeat Regexp Backwards" . nonincremental-repeat-re-search-backward)) | |
196 | (define-key menu-bar-search-menu [nonincremental-repeat-search-back] | |
197 | '("Repeat Backwards" . nonincremental-repeat-search-backward)) | |
198 | (define-key menu-bar-search-menu [nonincremental-repeat-re-search-fwd] | |
199 | '("Repeat Regexp" . nonincremental-repeat-re-search-forward)) | |
200 | (define-key menu-bar-search-menu [nonincremental-repeat-search-fwd] | |
201 | '("Repeat Search" . nonincremental-repeat-search-forward)) | |
202 | ||
203 | (define-key menu-bar-search-menu [separator-repeat] | |
9bb8e471 RS |
204 | '("--")) |
205 | ||
ffbdd83d | 206 | (define-key menu-bar-search-menu [re-search-back] |
1f50590a | 207 | '("Regexp Search Backwards..." . nonincremental-re-search-backward)) |
ffbdd83d | 208 | (define-key menu-bar-search-menu [search-back] |
1f50590a | 209 | '("Search Backwards..." . nonincremental-search-backward)) |
ffbdd83d | 210 | (define-key menu-bar-search-menu [re-search-fwd] |
1f50590a | 211 | '("Regexp Search..." . nonincremental-re-search-forward)) |
ffbdd83d | 212 | (define-key menu-bar-search-menu [search-fwd] |
1f50590a | 213 | '("Search..." . nonincremental-search-forward)) |
ffbdd83d | 214 | \f |
5b42ec2b RS |
215 | (if (fboundp 'start-process) |
216 | (define-key menu-bar-edit-menu [spell] '("Spell" . ispell-menu-map))) | |
9bb8e471 | 217 | (define-key menu-bar-edit-menu [fill] '("Fill" . fill-region)) |
6507ffb1 | 218 | (define-key menu-bar-edit-menu [props] '("Text Properties" . facemenu-menu)) |
9bb8e471 RS |
219 | |
220 | (define-key menu-bar-edit-menu [separator-edit] | |
221 | '("--")) | |
222 | ||
223 | (define-key menu-bar-edit-menu [clear] '("Clear" . delete-region)) | |
3dd92899 | 224 | |
e1726722 | 225 | (define-key menu-bar-edit-menu [paste] '("Paste Most Recent" . yank)) |
3dd92899 KH |
226 | |
227 | (defvar yank-menu (cons "Select Yank" nil)) | |
228 | (fset 'yank-menu (cons 'keymap yank-menu)) | |
229 | (define-key menu-bar-edit-menu [select-paste] '("Select and Paste" . yank-menu)) | |
4c0317b1 | 230 | (define-key menu-bar-edit-menu [copy] '("Copy" . menu-bar-kill-ring-save)) |
057d49d1 RS |
231 | (define-key menu-bar-edit-menu [cut] '("Cut" . kill-region)) |
232 | (define-key menu-bar-edit-menu [undo] '("Undo" . undo)) | |
233 | ||
4c0317b1 RS |
234 | (defun menu-bar-kill-ring-save (beg end) |
235 | (interactive "r") | |
236 | (if (mouse-region-match) | |
237 | (message "Select a region with the mouse does `copy' automatically") | |
238 | (kill-ring-save beg end))) | |
239 | ||
25b048ee RS |
240 | (put 'fill-region 'menu-enable '(and mark-active (not buffer-read-only))) |
241 | (put 'kill-region 'menu-enable '(and mark-active (not buffer-read-only))) | |
4c0317b1 | 242 | (put 'menu-bar-kill-ring-save 'menu-enable 'mark-active) |
25b048ee RS |
243 | (put 'yank 'menu-enable '(and (x-selection-exists-p) (not buffer-read-only))) |
244 | (put 'yank-menu 'menu-enable '(and (cdr yank-menu) (not buffer-read-only))) | |
4c0317b1 | 245 | (put 'delete-region 'menu-enable '(and mark-active |
25b048ee | 246 | (not buffer-read-only) |
4c0317b1 | 247 | (not (mouse-region-match)))) |
25b048ee RS |
248 | (put 'undo 'menu-enable '(and (not buffer-read-only) |
249 | (if (eq last-command 'undo) | |
250 | pending-undo-list | |
251 | (consp buffer-undo-list)))) | |
3a841b0b | 252 | (put 'query-replace 'menu-enable '(not buffer-read-only)) |
25b048ee | 253 | (put 'query-replace-regexp 'menu-enable '(not buffer-read-only)) |
db774a16 | 254 | |
9e18f0a0 RS |
255 | (autoload 'ispell-menu-map "ispell" nil t 'keymap) |
256 | ||
f9cf0be2 | 257 | ;; These are alternative definitions for the cut, paste and copy |
4c0317b1 | 258 | ;; menu items. Use them if your system expects these to use the clipboard. |
f9cf0be2 | 259 | |
f9cf0be2 RS |
260 | (put 'clipboard-kill-region 'menu-enable 'mark-active) |
261 | (put 'clipboard-kill-ring-save 'menu-enable 'mark-active) | |
262 | (put 'clipboard-yank 'menu-enable | |
263 | '(or (x-selection-exists-p) (x-selection-exists-p 'CLIPBOARD))) | |
264 | ||
265 | (defun clipboard-yank () | |
266 | "Reinsert the last stretch of killed text, or the clipboard contents." | |
267 | (interactive) | |
268 | (let ((x-select-enable-clipboard t)) | |
269 | (yank))) | |
270 | ||
271 | (defun clipboard-kill-ring-save (beg end) | |
272 | "Copy region to kill ring, and save in the X clipboard." | |
273 | (interactive "r") | |
274 | (let ((x-select-enable-clipboard t)) | |
275 | (kill-ring-save beg end))) | |
276 | ||
277 | (defun clipboard-kill-region (beg end) | |
278 | "Kill the region, and save it in the X clipboard." | |
279 | (interactive "r") | |
280 | (let ((x-select-enable-clipboard t)) | |
281 | (kill-region beg end))) | |
282 | ||
283 | (defun menu-bar-enable-clipboard () | |
5cbdeb30 RS |
284 | "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard. |
285 | Do the same for the keys of the same name." | |
f9cf0be2 | 286 | (interactive) |
5754d7f2 RS |
287 | ;; We can't use constant list structure here because it becomes pure, |
288 | ;; and because it gets modified with cache data. | |
289 | (define-key menu-bar-edit-menu [paste] | |
290 | (cons "Paste" 'clipboard-yank)) | |
291 | (define-key menu-bar-edit-menu [copy] | |
292 | (cons "Copy" 'clipboard-kill-ring-save)) | |
293 | (define-key menu-bar-edit-menu [cut] | |
5cbdeb30 RS |
294 | (cons "Cut" 'clipboard-kill-region)) |
295 | ||
296 | (define-key global-map [f20] 'clipboard-kill-region) | |
297 | (define-key global-map [f16] 'clipboard-kill-ring-save) | |
298 | (define-key global-map [f18] 'clipboard-yank) | |
299 | ;; X11R6 versions | |
300 | (define-key global-map [cut] 'clipboard-kill-region) | |
301 | (define-key global-map [copy] 'clipboard-kill-ring-save) | |
302 | (define-key global-map [paste] 'clipboard-yank)) | |
f9cf0be2 | 303 | \f |
efb166ff RS |
304 | (define-key menu-bar-help-menu [emacs-version] |
305 | '("Show Version" . emacs-version)) | |
48433a65 | 306 | (define-key menu-bar-help-menu [report-emacs-bug] |
1c6e18f6 | 307 | '("Send Bug Report..." . report-emacs-bug)) |
260130bb KH |
308 | (define-key menu-bar-help-menu [finder-by-keyword] |
309 | '("Find Lisp Packages..." . finder-by-keyword)) | |
ca9b40a1 | 310 | (define-key menu-bar-help-menu [emacs-tutorial] |
db774a16 | 311 | '("Emacs Tutorial" . help-with-tutorial)) |
260130bb KH |
312 | (define-key menu-bar-help-menu [man] |
313 | '("Man..." . manual-entry)) | |
2f1139a4 RS |
314 | (define-key menu-bar-help-menu [describe-variable] |
315 | '("Describe Variable..." . describe-variable)) | |
316 | (define-key menu-bar-help-menu [describe-function] | |
317 | '("Describe Function..." . describe-function)) | |
318 | (define-key menu-bar-help-menu [describe-key] | |
319 | '("Describe Key..." . describe-key)) | |
320 | (define-key menu-bar-help-menu [list-keybindings] | |
321 | '("List Keybindings" . describe-bindings)) | |
322 | (define-key menu-bar-help-menu [command-apropos] | |
323 | '("Command Apropos..." . command-apropos)) | |
324 | (define-key menu-bar-help-menu [describe-mode] | |
325 | '("Describe Mode" . describe-mode)) | |
e1726722 | 326 | (define-key menu-bar-help-menu [info] '("Browse Manuals" . info)) |
889560ed | 327 | (define-key menu-bar-help-menu [emacs-faq] '("Emacs FAQ" . view-emacs-FAQ)) |
2f1139a4 | 328 | (define-key menu-bar-help-menu [emacs-news] '("Emacs News" . view-emacs-news)) |
889560ed | 329 | |
db774a16 RS |
330 | (defun kill-this-buffer () ; for the menubar |
331 | "Kills the current buffer." | |
332 | (interactive) | |
333 | (kill-buffer (current-buffer))) | |
334 | ||
2f1139a4 RS |
335 | (defun kill-this-buffer-enabled-p () |
336 | (let ((count 0) | |
337 | (buffers (buffer-list))) | |
338 | (while buffers | |
339 | (or (string-match "^ " (buffer-name (car buffers))) | |
340 | (setq count (1+ count))) | |
341 | (setq buffers (cdr buffers))) | |
1f50590a RS |
342 | (and (not (window-minibuffer-p (selected-window))) |
343 | (> count 1)))) | |
344 | ||
345 | (put 'kill-this-buffer 'menu-enable '(kill-this-buffer-enabled-p)) | |
346 | ||
347 | (put 'save-buffer 'menu-enable | |
348 | '(and (buffer-modified-p) | |
349 | (not (window-minibuffer-p (selected-window))))) | |
350 | ||
351 | (put 'write-file 'menu-enable | |
352 | '(not (window-minibuffer-p (selected-window)))) | |
353 | ||
354 | (put 'find-file 'menu-enable | |
355 | '(not (window-minibuffer-p (selected-window)))) | |
356 | ||
357 | (put 'dired 'menu-enable | |
358 | '(not (window-minibuffer-p (selected-window)))) | |
359 | ||
360 | (put 'insert-file 'menu-enable | |
361 | '(not (window-minibuffer-p (selected-window)))) | |
2f1139a4 | 362 | |
da183f87 RS |
363 | (put 'revert-buffer 'menu-enable |
364 | '(or revert-buffer-function revert-buffer-insert-file-contents-function | |
365 | (and (buffer-file-name) | |
660fa562 RM |
366 | (or (buffer-modified-p) |
367 | (not (verify-visited-file-modtime (current-buffer))))))) | |
82a74107 | 368 | |
a0213a97 RS |
369 | ;; Permit deleting frame if it would leave a visible or iconified frame. |
370 | (put 'delete-frame 'menu-enable | |
82a74107 KH |
371 | '(delete-frame-enabled-p)) |
372 | ||
373 | (defun delete-frame-enabled-p () | |
374 | "Return non-nil if `delete-frame' should be enabled in the menu bar." | |
375 | (let ((frames (frame-list)) | |
376 | (count 0)) | |
377 | (while frames | |
378 | (if (frame-visible-p (car frames)) | |
379 | (setq count (1+ count))) | |
380 | (setq frames (cdr frames))) | |
381 | (> count 1))) | |
2f1139a4 | 382 | |
db774a16 RS |
383 | (put 'advertised-undo 'menu-enable |
384 | '(and (not (eq t buffer-undo-list)) | |
385 | (if (eq last-command 'undo) | |
2f1139a4 RS |
386 | (and (boundp 'pending-undo-list) |
387 | pending-undo-list) | |
388 | buffer-undo-list))) | |
2877eac2 | 389 | |
c3e1d435 | 390 | (defvar yank-menu-length 20 |
3dd92899 KH |
391 | "*Maximum length to display in the yank-menu.") |
392 | ||
393 | (defun menu-bar-update-yank-menu (string old) | |
394 | (let ((front (car (cdr yank-menu))) | |
395 | (menu-string (if (<= (length string) yank-menu-length) | |
396 | string | |
c3e1d435 RS |
397 | (concat |
398 | (substring string 0 (/ yank-menu-length 2)) | |
399 | "..." | |
400 | (substring string (- (/ yank-menu-length 2))))))) | |
3dd92899 KH |
401 | ;; If we're supposed to be extending an existing string, and that |
402 | ;; string really is at the front of the menu, then update it in place. | |
403 | (if (and old (or (eq old (car front)) | |
404 | (string= old (car front)))) | |
dfabc98f | 405 | (progn |
3dd92899 KH |
406 | (setcar front string) |
407 | (setcar (cdr front) menu-string)) | |
408 | (setcdr yank-menu | |
409 | (cons | |
410 | (cons string (cons menu-string 'menu-bar-select-yank)) | |
411 | (cdr yank-menu))))) | |
412 | (if (> (length (cdr yank-menu)) kill-ring-max) | |
413 | (setcdr (nthcdr kill-ring-max yank-menu) nil))) | |
414 | ||
415 | (defun menu-bar-select-yank () | |
416 | (interactive "*") | |
417 | (push-mark (point)) | |
418 | (insert last-command-event)) | |
40954111 | 419 | \f |
09642d97 RS |
420 | (define-key global-map [menu-bar buffer] '("Buffers" . menu-bar-buffers)) |
421 | ||
422 | (defalias 'menu-bar-buffers (make-sparse-keymap "Buffers")) | |
40954111 | 423 | |
40954111 RS |
424 | (defvar buffers-menu-max-size 10 |
425 | "*Maximum number of entries which may appear on the Buffers menu. | |
426 | If this is 10, then only the ten most-recently-selected buffers are shown. | |
427 | If this is nil, then all buffers are shown. | |
428 | A large number or nil slows down menu responsiveness.") | |
429 | ||
d0690d12 RS |
430 | (defvar list-buffers-directory nil) |
431 | ||
08e8171f RS |
432 | (defvar menu-bar-update-buffers-maxbuf) |
433 | ||
09642d97 RS |
434 | (defun menu-bar-select-buffer () |
435 | (interactive) | |
436 | (switch-to-buffer last-command-event)) | |
437 | ||
438 | (defun menu-bar-select-frame () | |
439 | (interactive) | |
440 | (make-frame-visible last-command-event) | |
441 | (raise-frame last-command-event) | |
442 | (select-frame last-command-event)) | |
443 | ||
c171b42f RS |
444 | (defun menu-bar-update-buffers-1 (elt) |
445 | (cons (format | |
08e8171f | 446 | (format "%%%ds %%s%%s %%s" menu-bar-update-buffers-maxbuf) |
c171b42f RS |
447 | (cdr elt) |
448 | (if (buffer-modified-p (car elt)) | |
449 | "*" " ") | |
450 | (save-excursion | |
451 | (set-buffer (car elt)) | |
452 | (if buffer-read-only "%" " ")) | |
453 | (let ((file | |
454 | (or (buffer-file-name (car elt)) | |
455 | (save-excursion | |
456 | (set-buffer (car elt)) | |
457 | list-buffers-directory) | |
458 | ""))) | |
459 | (setq file (or (file-name-directory file) | |
460 | "")) | |
461 | (if (> (length file) 20) | |
462 | (setq file (concat "..." (substring file -17)))) | |
463 | file)) | |
464 | (car elt))) | |
465 | ||
06ff7539 RS |
466 | (defvar menu-bar-buffers-menu-list-buffers-entry nil) |
467 | ||
09642d97 | 468 | (defun menu-bar-update-buffers () |
29397c58 | 469 | ;; If user discards the Buffers item, play along. |
4d587a6c | 470 | (and (lookup-key (current-global-map) [menu-bar buffer]) |
29397c58 RS |
471 | (frame-or-buffer-changed-p) |
472 | (let ((buffers (buffer-list)) | |
473 | (frames (frame-list)) | |
474 | buffers-menu frames-menu) | |
475 | ;; If requested, list only the N most recently selected buffers. | |
476 | (if (and (integerp buffers-menu-max-size) | |
477 | (> buffers-menu-max-size 1)) | |
478 | (if (> (length buffers) buffers-menu-max-size) | |
479 | (setcdr (nthcdr buffers-menu-max-size buffers) nil))) | |
480 | ||
481 | ;; Make the menu of buffers proper. | |
482 | (setq buffers-menu | |
483 | (cons "Select Buffer" | |
c171b42f RS |
484 | (let* ((buffer-list |
485 | (mapcar 'list buffers)) | |
486 | tail | |
08e8171f | 487 | (menu-bar-update-buffers-maxbuf 0) |
c171b42f RS |
488 | (maxlen 0) |
489 | alist | |
490 | head) | |
491 | ;; Put into each element of buffer-list | |
492 | ;; the name for actual display, | |
493 | ;; perhaps truncated in the middle. | |
494 | (setq tail buffer-list) | |
495 | (while tail | |
496 | (let ((name (buffer-name (car (car tail))))) | |
497 | (setcdr (car tail) | |
498 | (if (> (length name) 27) | |
499 | (concat (substring name 0 12) | |
500 | "..." | |
501 | (substring name -12)) | |
502 | name))) | |
503 | (setq tail (cdr tail))) | |
504 | ;; Compute the maximum length of any name. | |
505 | (setq tail buffer-list) | |
29397c58 | 506 | (while tail |
c171b42f | 507 | (or (eq ?\ (aref (cdr (car tail)) 0)) |
08e8171f RS |
508 | (setq menu-bar-update-buffers-maxbuf |
509 | (max menu-bar-update-buffers-maxbuf | |
c171b42f | 510 | (length (cdr (car tail)))))) |
29397c58 | 511 | (setq tail (cdr tail))) |
c171b42f RS |
512 | ;; Set ALIST to an alist of the form |
513 | ;; ITEM-STRING . BUFFER | |
514 | (setq tail buffer-list) | |
29397c58 RS |
515 | (while tail |
516 | (let ((elt (car tail))) | |
c171b42f | 517 | (or (eq ?\ (aref (cdr elt) 0)) |
29397c58 | 518 | (setq alist (cons |
c171b42f | 519 | (menu-bar-update-buffers-1 elt) |
29397c58 RS |
520 | alist))) |
521 | (and alist (> (length (car (car alist))) maxlen) | |
522 | (setq maxlen (length (car (car alist)))))) | |
523 | (setq tail (cdr tail))) | |
524 | (setq alist (nreverse alist)) | |
06ff7539 RS |
525 | ;; Make the menu item for list-buffers |
526 | ;; or reuse the one we already have. | |
527 | ;; The advantage in reusing one | |
528 | ;; is that it already has the keyboard equivalent | |
529 | ;; cached, so we save the time to look that up again. | |
530 | (or menu-bar-buffers-menu-list-buffers-entry | |
531 | (setq menu-bar-buffers-menu-list-buffers-entry | |
532 | (cons | |
533 | 'list-buffers | |
534 | (cons | |
535 | "" | |
536 | 'list-buffers)))) | |
537 | ;; Update the item string for menu's new width. | |
538 | (setcar (cdr menu-bar-buffers-menu-list-buffers-entry) | |
539 | (concat (make-string (max (- (/ maxlen 2) 8) 0) | |
540 | ?\ ) | |
541 | "List All Buffers")) | |
542 | ;; Now make the actual list of items, | |
543 | ;; ending with the list-buffers item. | |
29397c58 RS |
544 | (nconc (mapcar '(lambda (pair) |
545 | ;; This is somewhat risque, to use | |
546 | ;; the buffer name itself as the event | |
547 | ;; type to define, but it works. | |
548 | ;; It would not work to use the buffer | |
549 | ;; since a buffer as an event has its | |
550 | ;; own meaning. | |
551 | (nconc (list (buffer-name (cdr pair)) | |
552 | (car pair) | |
553 | (cons nil nil)) | |
554 | 'menu-bar-select-buffer)) | |
555 | alist) | |
06ff7539 | 556 | (list menu-bar-buffers-menu-list-buffers-entry))))) |
29397c58 RS |
557 | |
558 | ||
559 | ;; Make a Frames menu if we have more than one frame. | |
560 | (if (cdr frames) | |
561 | (setq frames-menu | |
562 | (cons "Select Frame" | |
563 | (mapcar '(lambda (frame) | |
564 | (nconc (list frame | |
565 | (cdr (assq 'name | |
566 | (frame-parameters frame))) | |
567 | (cons nil nil)) | |
568 | 'menu-bar-select-frame)) | |
569 | frames)))) | |
570 | (if buffers-menu | |
571 | (setq buffers-menu (cons 'keymap buffers-menu))) | |
572 | (if frames-menu | |
573 | (setq frames-menu (cons 'keymap frames-menu))) | |
4d587a6c | 574 | (define-key (current-global-map) [menu-bar buffer] |
29397c58 RS |
575 | (cons "Buffers" |
576 | (if (and buffers-menu frames-menu) | |
577 | (list 'keymap "Buffers and Frames" | |
578 | (cons 'buffers (cons "Buffers" buffers-menu)) | |
579 | (cons 'frames (cons "Frames" frames-menu))) | |
580 | (or buffers-menu frames-menu 'undefined))))))) | |
09642d97 RS |
581 | |
582 | (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers) | |
2f1139a4 | 583 | |
40954111 RS |
584 | ;; this version is too slow |
585 | ;;;(defun format-buffers-menu-line (buffer) | |
586 | ;;; "Returns a string to represent the given buffer in the Buffer menu. | |
587 | ;;;nil means the buffer shouldn't be listed. You can redefine this." | |
588 | ;;; (if (string-match "\\` " (buffer-name buffer)) | |
589 | ;;; nil | |
590 | ;;; (save-excursion | |
591 | ;;; (set-buffer buffer) | |
592 | ;;; (let ((size (buffer-size))) | |
593 | ;;; (format "%s%s %-19s %6s %-15s %s" | |
594 | ;;; (if (buffer-modified-p) "*" " ") | |
595 | ;;; (if buffer-read-only "%" " ") | |
596 | ;;; (buffer-name) | |
597 | ;;; size | |
598 | ;;; mode-name | |
599 | ;;; (or (buffer-file-name) "")))))) | |
600 | \f | |
25b048ee RS |
601 | ;;; Set up a menu bar menu for the minibuffer. |
602 | ||
603 | (mapcar | |
604 | (function | |
605 | (lambda (map) | |
606 | (define-key map [menu-bar minibuf] | |
607 | (cons "Minibuf" (make-sparse-keymap "Minibuf"))))) | |
608 | (list minibuffer-local-ns-map | |
609 | minibuffer-local-must-match-map | |
610 | minibuffer-local-isearch-map | |
611 | minibuffer-local-map | |
612 | minibuffer-local-completion-map)) | |
613 | ||
614 | (mapcar | |
615 | (function | |
616 | (lambda (map) | |
617 | (define-key map [menu-bar minibuf ?\?] | |
618 | '("List Completions" . minibuffer-completion-help)) | |
619 | (define-key map [menu-bar minibuf space] | |
620 | '("Complete Word" . minibuffer-complete-word)) | |
621 | (define-key map [menu-bar minibuf tab] | |
622 | '("Complete" . 'minibuffer-complete)) | |
623 | )) | |
624 | (list minibuffer-local-must-match-map | |
625 | minibuffer-local-completion-map)) | |
626 | ||
627 | (mapcar | |
628 | (function | |
629 | (lambda (map) | |
630 | (define-key map [menu-bar minibuf quit] | |
631 | '("Quit" . keyboard-escape-quit)) | |
632 | (define-key map [menu-bar minibuf return] | |
633 | '("Enter" . exit-minibuffer)) | |
634 | )) | |
635 | (list minibuffer-local-ns-map | |
636 | minibuffer-local-must-match-map | |
637 | minibuffer-local-isearch-map | |
638 | minibuffer-local-map | |
639 | minibuffer-local-completion-map)) | |
640 | \f | |
7b7d6615 RS |
641 | (defvar menu-bar-mode nil) |
642 | ||
057d49d1 | 643 | (defun menu-bar-mode (flag) |
dfd29450 | 644 | "Toggle display of a menu bar on each frame. |
057d49d1 RS |
645 | This command applies to all frames that exist and frames to be |
646 | created in the future. | |
647 | With a numeric argument, if the argument is negative, | |
dfd29450 | 648 | turn off menu bars; otherwise, turn on menu bars." |
dad8e392 | 649 | (interactive "P") |
dad8e392 | 650 | |
7b7d6615 RS |
651 | ;; Make menu-bar-mode and default-frame-alist consistent. |
652 | (let ((default (assq 'menu-bar-lines default-frame-alist))) | |
653 | (if default | |
654 | (setq menu-bar-mode (not (eq (cdr default) 0))) | |
655 | (setq default-frame-alist | |
656 | (cons (cons 'menu-bar-lines (if menu-bar-mode 1 0)) | |
657 | default-frame-alist)))) | |
658 | ||
659 | ;; Toggle or set the mode, according to FLAG. | |
660 | (setq menu-bar-mode (if (null flag) (not menu-bar-mode) | |
661 | (> (prefix-numeric-value flag) 0))) | |
662 | ||
663 | ;; Apply it to default-frame-alist. | |
664 | (let ((parameter (assq 'menu-bar-lines default-frame-alist))) | |
665 | (if (consp parameter) | |
666 | (setcdr parameter (if menu-bar-mode 1 0)) | |
667 | (setq default-frame-alist | |
668 | (cons (cons 'menu-bar-lines (if menu-bar-mode 1 0)) | |
669 | default-frame-alist)))) | |
670 | ||
671 | ;; Apply it to existing frames. | |
672 | (let ((frames (frame-list))) | |
673 | (while frames | |
674 | (let ((height (cdr (assq 'height (frame-parameters (car frames)))))) | |
675 | (modify-frame-parameters (car frames) | |
676 | (list (cons 'menu-bar-lines | |
677 | (if menu-bar-mode 1 0)))) | |
678 | (modify-frame-parameters (car frames) | |
679 | (list (cons 'height height)))) | |
680 | (setq frames (cdr frames))))) | |
1db87953 | 681 | |
bffa5d4d RS |
682 | (provide 'menu-bar) |
683 | ||
235aa29b | 684 | ;;; menu-bar.el ends here |