|
209
|
1 ;;; menubar.el --- Menubar support for XEmacs
|
|
|
2
|
|
259
|
3 ;; Copyright (C) 1991-4, 1997-1998 Free Software Foundation, Inc.
|
|
209
|
4 ;; Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
|
|
|
5 ;; Copyright (C) 1995, 1996 Ben Wing.
|
|
|
6
|
|
|
7 ;; Maintainer: XEmacs Development Team
|
|
|
8 ;; Keywords: internal, extensions, dumped
|
|
|
9
|
|
|
10 ;; This file is part of XEmacs.
|
|
|
11
|
|
|
12 ;; XEmacs is free software; you can redistribute it and/or modify it
|
|
|
13 ;; under the terms of the GNU General Public License as published by
|
|
|
14 ;; the Free Software Foundation; either version 2, or (at your option)
|
|
|
15 ;; any later version.
|
|
|
16
|
|
|
17 ;; XEmacs is distributed in the hope that it will be useful, but
|
|
|
18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
20 ;; General Public License for more details.
|
|
|
21
|
|
|
22 ;; You should have received a copy of the GNU General Public License
|
|
|
23 ;; along with XEmacs; see the file COPYING. If not, write to the
|
|
|
24 ;; Free Software Foundation, 59 Temple Place - Suite 330,
|
|
|
25 ;; Boston, MA 02111-1307, USA.
|
|
|
26
|
|
|
27 ;;; Synched up with: Not in FSF. (Completely divergent from FSF menu-bar.el)
|
|
|
28
|
|
|
29 ;;; Commentary:
|
|
|
30
|
|
|
31 ;; This file is dumped with XEmacs (when menubar support is compiled in).
|
|
|
32
|
|
406
|
33 ;; Some stuff in FSF menu-bar.el is in menubar-items.el
|
|
209
|
34
|
|
|
35 ;;; Code:
|
|
|
36
|
|
227
|
37 (defgroup menu nil
|
|
|
38 "Input from the menus."
|
|
|
39 :group 'environment)
|
|
|
40
|
|
209
|
41 (defvar default-menubar nil)
|
|
|
42
|
|
|
43 ;; this function is considered "part of the lexicon" by many,
|
|
|
44 ;; so we'll leave it here.
|
|
|
45 (defun kill-this-buffer () ; for the menubar
|
|
|
46 "Kill the current buffer."
|
|
|
47 (interactive)
|
|
|
48 (kill-buffer (current-buffer)))
|
|
|
49
|
|
|
50 (defun set-menubar-dirty-flag ()
|
|
|
51 "Tell XEmacs that the menubar has to be updated.
|
|
|
52 NOTE: XEmacs now recognizes when you set a different value for
|
|
|
53 `current-menubar'. You *only* need to call this function if you
|
|
|
54 destructively modify a part of the menubar and don't set `current-menubar'.
|
|
|
55 Note that all the functions that modify a menu call this automatically."
|
|
|
56 (setq-default current-menubar (default-value 'current-menubar)))
|
|
|
57
|
|
|
58 ;; #### shouldn't this perhaps be `copy-tree'?
|
|
|
59 (defun set-menubar (menubar)
|
|
|
60 "Set the default menubar to be MENUBAR.
|
|
|
61 See `current-menubar' for a description of the syntax of a menubar."
|
|
|
62 (check-menu-syntax menubar t)
|
|
|
63 (setq-default current-menubar (copy-sequence menubar)))
|
|
|
64
|
|
|
65 (defun set-buffer-menubar (menubar)
|
|
|
66 "Set the buffer-local menubar to be MENUBAR.
|
|
|
67 See `current-menubar' for a description of the syntax of a menubar."
|
|
|
68 (check-menu-syntax menubar t)
|
|
|
69 (make-local-variable 'current-menubar)
|
|
|
70 (setq current-menubar (copy-sequence menubar)))
|
|
|
71
|
|
|
72 (defun check-menu-syntax (menu &optional menubar-p)
|
|
|
73 ;; The C code does syntax checking on the value of `current-menubar',
|
|
|
74 ;; but it's better to do it early, before things have gotten messed up.
|
|
|
75 (if menubar-p
|
|
|
76 nil
|
|
|
77 (or (stringp (car menu))
|
|
|
78 (signal 'error
|
|
|
79 (list "menu name (first element) must be a string" menu)))
|
|
|
80 ;;(or (cdr menu) (signal 'error (list "menu is empty" menu)))
|
|
|
81 (setq menu (cdr menu)))
|
|
|
82 (let (menuitem item)
|
|
|
83 (while (keywordp (setq item (car menu)))
|
|
|
84 (or (memq item '(:config :included :filter :accelerator))
|
|
|
85 (signal 'error
|
|
|
86 (list "menu keyword must be :config, :included, :accelerator or :filter"
|
|
|
87 item)))
|
|
|
88 (if (or (not (cdr menu))
|
|
|
89 (vectorp (nth 1 menu))
|
|
|
90 (keywordp (nth 1 menu)))
|
|
|
91 (signal 'error (list "strange keyword value" item (nth 1 menu))))
|
|
|
92 (setq menu (nthcdr 2 menu)))
|
|
|
93 (while menu
|
|
|
94 (setq menuitem (car menu))
|
|
|
95 (cond
|
|
|
96 ((stringp menuitem)
|
|
|
97 (and (string-match "^\\(-+\\|=+\\):\\(.*\\)" menuitem)
|
|
|
98 (setq item (match-string 2 menuitem))
|
|
|
99 (or (member item '(;; Motif-compatible
|
|
|
100 "singleLine"
|
|
|
101 "doubleLine"
|
|
|
102 "singleDashedLine"
|
|
|
103 "doubleDashedLine"
|
|
|
104 "noLine"
|
|
|
105 "shadowEtchedIn"
|
|
|
106 "shadowEtchedOut"
|
|
|
107 "shadowEtchedInDash"
|
|
|
108 "shadowEtchedOutDash"
|
|
|
109 ;; non-Motif (Lucid menubar widget only)
|
|
|
110 "shadowDoubleEtchedIn"
|
|
|
111 "shadowDoubleEtchedOut"
|
|
|
112 "shadowDoubleEtchedInDash"
|
|
|
113 "shadowDoubleEtchedOutDash"
|
|
|
114 ))
|
|
|
115 (signal 'error (list "bogus separator style in menu item" item)))
|
|
|
116 ))
|
|
|
117 ((null menuitem)
|
|
|
118 (or menubar-p
|
|
|
119 (signal 'error (list "nil is only permitted in the top level of menubars"))))
|
|
|
120 ((consp menuitem)
|
|
|
121 (check-menu-syntax menuitem))
|
|
|
122 ((vectorp menuitem)
|
|
|
123 (let ((L (length menuitem))
|
|
|
124 plistp)
|
|
259
|
125 (and (< L 2)
|
|
209
|
126 (signal 'error
|
|
259
|
127 (list "button descriptors must be at least 2 long"
|
|
209
|
128 menuitem)))
|
|
259
|
129 (setq plistp (or (>= L 5)
|
|
|
130 (and (> L 2) (keywordp (aref menuitem 2)))))
|
|
209
|
131 (if plistp
|
|
|
132 (let ((i 2)
|
|
|
133 selp
|
|
|
134 style
|
|
|
135 item)
|
|
|
136 (while (< i L)
|
|
|
137 (setq item (aref menuitem i))
|
|
|
138 (cond ((not (memq item '(:active :suffix :keys :style
|
|
|
139 :full :included :selected
|
|
|
140 :accelerator)))
|
|
|
141 (signal 'error
|
|
|
142 (list (if (keywordp item)
|
|
|
143 "unknown menu item keyword"
|
|
|
144 "not a keyword")
|
|
|
145 item menuitem)))
|
|
|
146 ((eq item :style)
|
|
|
147 (setq style (aref menuitem (1+ i)))
|
|
|
148 (or (memq style '(nil toggle radio button text))
|
|
|
149 (signal 'error (list "unknown style" style
|
|
|
150 menuitem))))
|
|
|
151 ((eq item :selected) (setq selp t))
|
|
|
152 )
|
|
|
153 (setq i (+ i (if (eq item :full) 1 2))))
|
|
|
154 (if (and selp (not (memq style '(toggle button radio))))
|
|
|
155 (signal 'error
|
|
|
156 (list
|
|
|
157 ":selected only makes sense with :style toggle, radio, or button"
|
|
|
158 menuitem)))
|
|
|
159 )))
|
|
|
160 )
|
|
380
|
161 ;; (t (signal 'error (list "unrecognized menu descriptor" menuitem))))
|
|
|
162 (t (message "unrecognized menu descriptor %s" (prin1-to-string menuitem))))
|
|
209
|
163 (setq menu (cdr menu)))))
|
|
|
164
|
|
|
165
|
|
|
166 ;;; menu manipulation functions
|
|
|
167
|
|
|
168 (defun find-menu-item (menubar item-path-list &optional parent)
|
|
|
169 "Search MENUBAR for item given by ITEM-PATH-LIST starting from PARENT.
|
|
|
170 Returns (ITEM . PARENT), where PARENT is the immediate parent of
|
|
|
171 the item found.
|
|
|
172 If the item does not exist, the car of the returned value is nil.
|
|
|
173 If some menu in the ITEM-PATH-LIST does not exist, an error is signalled."
|
|
225
|
174 (check-argument-type 'listp item-path-list)
|
|
|
175 (unless parent
|
|
|
176 (setq item-path-list (mapcar 'normalize-menu-item-name item-path-list)))
|
|
209
|
177 (if (not (consp menubar))
|
|
|
178 nil
|
|
|
179 (let ((rest menubar)
|
|
|
180 result)
|
|
225
|
181 (when (stringp (car rest))
|
|
|
182 (setq rest (cdr rest)))
|
|
209
|
183 (while (keywordp (car rest))
|
|
|
184 (setq rest (cddr rest)))
|
|
|
185 (while rest
|
|
|
186 (if (and (car rest)
|
|
|
187 (equal (car item-path-list)
|
|
225
|
188 (normalize-menu-item-name
|
|
|
189 (cond ((vectorp (car rest))
|
|
|
190 (aref (car rest) 0))
|
|
|
191 ((stringp (car rest))
|
|
|
192 (car rest))
|
|
|
193 (t
|
|
|
194 (caar rest))))))
|
|
|
195 (setq result (car rest)
|
|
|
196 rest nil)
|
|
209
|
197 (setq rest (cdr rest))))
|
|
|
198 (if (cdr item-path-list)
|
|
225
|
199 (cond ((consp result)
|
|
|
200 (find-menu-item (cdr result) (cdr item-path-list) result))
|
|
|
201 (result
|
|
|
202 (signal 'error (list (gettext "not a submenu") result)))
|
|
|
203 (t
|
|
|
204 (signal 'error (list (gettext "no such submenu")
|
|
|
205 (car item-path-list)))))
|
|
209
|
206 (cons result parent)))))
|
|
|
207
|
|
377
|
208 (defun add-menu-item-1 (leaf-p menu-path new-item before in-menu)
|
|
209
|
209 ;; This code looks like it could be cleaned up some more
|
|
|
210 ;; Do we really need 6 calls to find-menu-item?
|
|
|
211 (when before (setq before (normalize-menu-item-name before)))
|
|
|
212 (let* ((item-name
|
|
|
213 (cond ((vectorp new-item) (aref new-item 0))
|
|
|
214 ((consp new-item) (car new-item))
|
|
|
215 (t nil)))
|
|
377
|
216 (menubar (or in-menu current-menubar))
|
|
209
|
217 (menu (condition-case ()
|
|
|
218 (car (find-menu-item menubar menu-path))
|
|
|
219 (error nil)))
|
|
|
220 (item-found (cond
|
|
|
221 ((null item-name)
|
|
|
222 nil)
|
|
|
223 ((not (listp menu))
|
|
|
224 (signal 'error (list (gettext "not a submenu")
|
|
|
225 menu-path)))
|
|
|
226 (menu
|
|
|
227 (find-menu-item (cdr menu) (list item-name)))
|
|
|
228 (t
|
|
|
229 (find-menu-item menubar (list item-name)))
|
|
|
230 )))
|
|
|
231 (unless menubar
|
|
|
232 (error "`current-menubar' is nil: can't add menus to it."))
|
|
|
233 (unless menu
|
|
|
234 (let ((rest menu-path)
|
|
|
235 (so-far menubar))
|
|
|
236 (while rest
|
|
|
237 ;;; (setq menu (car (find-menu-item (cdr so-far) (list (car rest)))))
|
|
|
238 (setq menu
|
|
|
239 (if (eq so-far menubar)
|
|
|
240 (car (find-menu-item so-far (list (car rest))))
|
|
|
241 (car (find-menu-item (cdr so-far) (list (car rest))))))
|
|
|
242 (unless menu
|
|
|
243 (let ((rest2 so-far))
|
|
|
244 (while (and (cdr rest2) (car (cdr rest2)))
|
|
|
245 (setq rest2 (cdr rest2)))
|
|
|
246 (setcdr rest2
|
|
|
247 (nconc (list (setq menu (list (car rest))))
|
|
|
248 (cdr rest2)))))
|
|
|
249 (setq so-far menu)
|
|
|
250 (setq rest (cdr rest)))))
|
|
|
251 (if (and item-found (car item-found))
|
|
|
252 ;; hack the item in place.
|
|
|
253 (if menu
|
|
|
254 ;; Isn't it very bad form to use nsubstitute for side effects?
|
|
|
255 (nsubstitute new-item (car item-found) menu)
|
|
|
256 (setq current-menubar (nsubstitute new-item
|
|
|
257 (car item-found)
|
|
|
258 current-menubar)))
|
|
|
259 ;; OK, we have to add the whole thing...
|
|
|
260 ;; if BEFORE is specified, try to add it there.
|
|
|
261 (unless menu (setq menu current-menubar))
|
|
|
262 (when before
|
|
|
263 (setq before (car (find-menu-item menu (list before)))))
|
|
|
264 (let ((rest menu)
|
|
|
265 (added-before nil))
|
|
|
266 (while rest
|
|
|
267 (if (eq before (car (cdr rest)))
|
|
|
268 (progn
|
|
|
269 (setcdr rest (cons new-item (cdr rest)))
|
|
|
270 (setq rest nil added-before t))
|
|
|
271 (setq rest (cdr rest))))
|
|
|
272 (when (not added-before)
|
|
|
273 ;; adding before the first item on the menubar itself is harder
|
|
|
274 (if (and (eq menu menubar) (eq before (car menu)))
|
|
|
275 (setq menu (cons new-item menu)
|
|
|
276 current-menubar menu)
|
|
|
277 ;; otherwise, add the item to the end.
|
|
|
278 (nconc menu (list new-item))))))
|
|
|
279 (set-menubar-dirty-flag)
|
|
|
280 new-item))
|
|
|
281
|
|
377
|
282 (defun add-menu-button (menu-path menu-leaf &optional before in-menu)
|
|
209
|
283 "Add a menu item to some menu, creating the menu first if necessary.
|
|
|
284 If the named item exists already, it is changed.
|
|
|
285 MENU-PATH identifies the menu under which the new menu item should be inserted.
|
|
|
286 It is a list of strings; for example, (\"File\") names the top-level \"File\"
|
|
|
287 menu. (\"File\" \"Foo\") names a hypothetical submenu of \"File\".
|
|
|
288 MENU-LEAF is a menubar leaf node. See the documentation of `current-menubar'.
|
|
|
289 BEFORE, if provided, is the name of a menu item before which this item should
|
|
|
290 be added, if this item is not on the menu already. If the item is already
|
|
377
|
291 present, it will not be moved.
|
|
|
292 If IN-MENU is present use that instead of `current-menubar' as the menu to
|
|
|
293 change.
|
|
|
294 "
|
|
|
295 ;; Note easymenu.el uses the fact that menu-leaf can be a submenu.
|
|
|
296 (add-menu-item-1 t menu-path menu-leaf before in-menu))
|
|
209
|
297
|
|
|
298 ;; I actually liked the old name better, but the interface has changed too
|
|
|
299 ;; drastically to keep it. --Stig
|
|
377
|
300 (defun add-submenu (menu-path submenu &optional before in-menu)
|
|
209
|
301 "Add a menu to the menubar or one of its submenus.
|
|
|
302 If the named menu exists already, it is changed.
|
|
|
303 MENU-PATH identifies the menu under which the new menu should be inserted.
|
|
|
304 It is a list of strings; for example, (\"File\") names the top-level \"File\"
|
|
|
305 menu. (\"File\" \"Foo\") names a hypothetical submenu of \"File\".
|
|
|
306 If MENU-PATH is nil, then the menu will be added to the menubar itself.
|
|
|
307 SUBMENU is the new menu to add.
|
|
|
308 See the documentation of `current-menubar' for the syntax.
|
|
|
309 BEFORE, if provided, is the name of a menu before which this menu should
|
|
|
310 be added, if this menu is not on its parent already. If the menu is already
|
|
|
311 present, it will not be moved."
|
|
|
312 (check-menu-syntax submenu nil)
|
|
377
|
313 (add-menu-item-1 nil menu-path submenu before in-menu))
|
|
209
|
314
|
|
|
315 (defun purecopy-menubar (x)
|
|
|
316 ;; this calls purecopy on the strings, and the contents of the vectors,
|
|
|
317 ;; but not on the vectors themselves, or the conses - those must be
|
|
|
318 ;; writable.
|
|
|
319 (cond ((vectorp x)
|
|
|
320 (let ((i (length x)))
|
|
|
321 (while (> i 0)
|
|
|
322 (aset x (1- i) (purecopy (aref x (1- i))))
|
|
|
323 (setq i (1- i))))
|
|
|
324 x)
|
|
|
325 ((consp x)
|
|
|
326 (let ((rest x))
|
|
|
327 (while rest
|
|
|
328 (setcar rest (purecopy-menubar (car rest)))
|
|
|
329 (setq rest (cdr rest))))
|
|
|
330 x)
|
|
|
331 (t
|
|
|
332 (purecopy x))))
|
|
|
333
|
|
377
|
334 (defun delete-menu-item (path &optional from-menu)
|
|
209
|
335 "Remove the named menu item from the menu hierarchy.
|
|
|
336 PATH is a list of strings which identify the position of the menu item in
|
|
|
337 the menu hierarchy. The documentation of `add-submenu' describes menu-paths."
|
|
377
|
338 (let* ((pair (condition-case nil (find-menu-item (or from-menu
|
|
|
339 current-menubar) path)
|
|
209
|
340 (error nil)))
|
|
|
341 (item (car pair))
|
|
|
342 (parent (or (cdr pair) current-menubar)))
|
|
|
343 (if (not item)
|
|
|
344 nil
|
|
|
345 ;; the menubar is the only special case, because other menus begin
|
|
|
346 ;; with their name.
|
|
|
347 (if (eq parent current-menubar)
|
|
|
348 (setq current-menubar (delq item parent))
|
|
|
349 (delq item parent))
|
|
|
350 (set-menubar-dirty-flag)
|
|
|
351 item)))
|
|
|
352
|
|
|
353 (defun relabel-menu-item (path new-name)
|
|
|
354 "Change the string of the specified menu item.
|
|
|
355 PATH is a list of strings which identify the position of the menu item in
|
|
|
356 the menu hierarchy. (\"File\" \"Save\") means the menu item called \"Save\"
|
|
|
357 under the toplevel \"File\" menu. (\"Menu\" \"Foo\" \"Item\") means the
|
|
|
358 menu item called \"Item\" under the \"Foo\" submenu of \"Menu\".
|
|
|
359 NEW-NAME is the string that the menu item will be printed as from now on."
|
|
|
360 (or (stringp new-name)
|
|
|
361 (setq new-name (signal 'wrong-type-argument (list 'stringp new-name))))
|
|
|
362 (let* ((menubar current-menubar)
|
|
|
363 (pair (find-menu-item menubar path))
|
|
|
364 (item (car pair))
|
|
|
365 (menu (cdr pair)))
|
|
|
366 (or item
|
|
|
367 (signal 'error (list (if menu (gettext "No such menu item")
|
|
|
368 (gettext "No such menu"))
|
|
|
369 path)))
|
|
|
370 (if (and (consp item)
|
|
|
371 (stringp (car item)))
|
|
|
372 (setcar item new-name)
|
|
|
373 (aset item 0 new-name))
|
|
|
374 (set-menubar-dirty-flag)
|
|
|
375 item))
|
|
|
376
|
|
|
377 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
378 ;;
|
|
|
379 ;; these are all bad style. Why in the world would we put evaluable forms
|
|
|
380 ;; into the menubar if we didn't want people to use 'em?
|
|
|
381 ;; x-font-menu.el is the only known offender right now and that ought to be
|
|
|
382 ;; rehashed a bit.
|
|
|
383 ;;
|
|
|
384
|
|
|
385 (defun enable-menu-item-1 (path toggle-p on-p)
|
|
|
386 (let (menu item)
|
|
|
387 (if (and (vectorp path) (> (length path) 2)) ; limited syntax checking...
|
|
|
388 (setq item path)
|
|
|
389 (let* ((menubar current-menubar)
|
|
|
390 (pair (find-menu-item menubar path)))
|
|
|
391 (setq item (car pair)
|
|
|
392 menu (cdr pair))
|
|
|
393 (or item
|
|
|
394 (signal 'error (list (if menu
|
|
|
395 "No such menu item"
|
|
|
396 "No such menu")
|
|
|
397 path)))
|
|
|
398 (if (consp item)
|
|
|
399 (error "%S is a menu, not a menu item" path))))
|
|
|
400 (if (or (> (length item) 4)
|
|
|
401 (and (symbolp (aref item 2))
|
|
|
402 (= ?: (aref (symbol-name (aref item 2)) 0))))
|
|
|
403 ;; plist-like syntax
|
|
|
404 (let ((i 2)
|
|
|
405 (keyword (if toggle-p :selected :active))
|
|
|
406 (ok nil))
|
|
|
407 (while (< i (length item))
|
|
|
408 (cond ((eq (aref item i) keyword)
|
|
|
409 (aset item (1+ i) on-p)
|
|
|
410 (setq ok t)))
|
|
|
411 (setq i (+ i 2)))
|
|
|
412 (cond (ok nil)
|
|
|
413 (toggle-p
|
|
|
414 (signal 'error (list "not a toggle menu item" item)))
|
|
|
415 (t
|
|
|
416 ;; Need to copy the item to extend it, sigh...
|
|
|
417 (let ((cons (memq item menu))
|
|
|
418 (new-item (vconcat item (list keyword on-p))))
|
|
|
419 (if cons
|
|
|
420 (setcar cons (setq item new-item))
|
|
|
421 (if menu
|
|
|
422 (error "couldn't find %S on its parent?" item)
|
|
|
423 (error "no %S slot to set: %S" keyword item)))))))
|
|
|
424 ;; positional syntax
|
|
|
425 (if toggle-p
|
|
|
426 (signal 'error (list "not a toggle menu item" item))
|
|
|
427 (aset item 2 on-p)))
|
|
|
428 (set-menubar-dirty-flag)
|
|
|
429 item))
|
|
|
430
|
|
|
431 (defun enable-menu-item (path)
|
|
|
432 "Make the named menu item be selectable.
|
|
|
433 PATH is a list of strings which identify the position of the menu item in
|
|
|
434 the menu hierarchy. (\"File\" \"Save\") means the menu item called \"Save\"
|
|
|
435 under the toplevel \"File\" menu. (\"Menu\" \"Foo\" \"Item\") means the
|
|
|
436 menu item called \"Item\" under the \"Foo\" submenu of \"Menu\"."
|
|
|
437 (enable-menu-item-1 path nil t))
|
|
|
438
|
|
|
439 (defun disable-menu-item (path)
|
|
|
440 "Make the named menu item be unselectable.
|
|
|
441 PATH is a list of strings which identify the position of the menu item in
|
|
|
442 the menu hierarchy. (\"File\" \"Save\") means the menu item called \"Save\"
|
|
|
443 under the toplevel \"File\" menu. (\"Menu\" \"Foo\" \"Item\") means the
|
|
|
444 menu item called \"Item\" under the \"Foo\" submenu of \"Menu\"."
|
|
|
445 (enable-menu-item-1 path nil nil))
|
|
|
446
|
|
|
447 (defun select-toggle-menu-item (path)
|
|
|
448 "Make the named toggle- or radio-style menu item be in the `selected' state.
|
|
|
449 PATH is a list of strings which identify the position of the menu item in
|
|
|
450 the menu hierarchy. (\"File\" \"Save\") means the menu item called \"Save\"
|
|
|
451 under the toplevel \"File\" menu. (\"Menu\" \"Foo\" \"Item\") means the
|
|
|
452 menu item called \"Item\" under the \"Foo\" submenu of \"Menu\"."
|
|
|
453 (enable-menu-item-1 path t t))
|
|
|
454
|
|
|
455 (defun deselect-toggle-menu-item (path)
|
|
|
456 "Make the named toggle- or radio-style menu item be in the `unselected' state.
|
|
|
457 PATH is a list of strings which identify the position of the menu item in
|
|
|
458 the menu hierarchy. (\"File\" \"Save\") means the menu item called \"Save\"
|
|
|
459 under the toplevel \"File\" menu. (\"Menu\" \"Foo\" \"Item\") means the
|
|
|
460 menu item called \"Item\" under the \"Foo\" submenu of \"Menu\"."
|
|
|
461 (enable-menu-item-1 path t nil))
|
|
|
462
|
|
|
463
|
|
|
464 (defun get-popup-menu-response (menu-desc &optional event)
|
|
|
465 "Pop up the given menu and wait for a response.
|
|
|
466 This blocks until the response is received, and returns the misc-user
|
|
|
467 event that encapsulates the response. To execute it, you can do
|
|
|
468 (funcall (event-function response) (event-object response))
|
|
|
469 If no response was received, nil is returned.
|
|
|
470
|
|
|
471 MENU-DESC and EVENT are as in the call to `popup-menu'."
|
|
|
472 ;; partially stolen from w3
|
|
|
473 (let ((echo-keystrokes 0)
|
|
|
474 new-event)
|
|
|
475 (popup-menu menu-desc event)
|
|
|
476 (catch 'popup-done
|
|
|
477 (while t
|
|
|
478 (setq new-event (next-command-event new-event))
|
|
|
479 (cond ((misc-user-event-p new-event)
|
|
|
480 (throw 'popup-done new-event))
|
|
|
481 ((not (popup-up-p))
|
|
|
482 (setq unread-command-events (cons new-event
|
|
|
483 unread-command-events))
|
|
|
484 (throw 'popup-done nil))
|
|
|
485 ((button-release-event-p new-event);; don't beep twice
|
|
|
486 nil)
|
|
|
487 ((event-matches-key-specifier-p (quit-char))
|
|
|
488 (signal 'quit nil))
|
|
|
489 (t
|
|
|
490 (beep)
|
|
|
491 (message "please make a choice from the menu.")))))))
|
|
|
492
|
|
|
493 (defun popup-menu-and-execute-in-window (menu-desc event)
|
|
|
494 "Pop up the given menu and execute its response in EVENT's window.
|
|
|
495 This blocks until the response is received, temporarily selects
|
|
|
496 EVENT's window, and executes the command specified in the response.
|
|
|
497 EVENT can also be a window. See `popup-menu' for the semantics of
|
|
|
498 MENU-DESC."
|
|
|
499 (let ((response
|
|
|
500 (get-popup-menu-response menu-desc
|
|
|
501 (and (eventp event) event))))
|
|
|
502 (and (misc-user-event-p response)
|
|
|
503 (save-selected-window
|
|
|
504 (select-window (if (windowp event) event
|
|
|
505 (event-window event)))
|
|
|
506 (funcall (event-function response)
|
|
|
507 (event-object response))))))
|
|
|
508
|
|
|
509 ;; provide default bindings for menu accelerator map
|
|
|
510 (and (boundp 'menu-accelerator-map)
|
|
|
511 (keymapp menu-accelerator-map)
|
|
|
512 (progn
|
|
|
513 (define-key menu-accelerator-map "\e" 'menu-escape)
|
|
|
514 (define-key menu-accelerator-map [left] 'menu-left)
|
|
|
515 (define-key menu-accelerator-map [right] 'menu-right)
|
|
|
516 (define-key menu-accelerator-map [up] 'menu-up)
|
|
|
517 (define-key menu-accelerator-map [down] 'menu-down)
|
|
|
518 (define-key menu-accelerator-map [return] 'menu-select)
|
|
|
519 (define-key menu-accelerator-map [kp_down] 'menu-down)
|
|
|
520 (define-key menu-accelerator-map [kp_up] 'menu-down)
|
|
|
521 (define-key menu-accelerator-map [kp_left] 'menu-left)
|
|
|
522 (define-key menu-accelerator-map [kp_right] 'menu-right)
|
|
|
523 (define-key menu-accelerator-map [kp_enter] 'menu-select)
|
|
|
524 (define-key menu-accelerator-map "\C-g" 'menu-quit)))
|
|
|
525
|
|
|
526
|
|
|
527 (provide 'menubar)
|
|
|
528
|
|
|
529 ;;; menubar.el ends here
|
