lisp/menu-bar.el

   1 ;;; menu-bar.el --- define a default menu bar
   2
   3 ;; Copyright (C) 1993, 1994, 1995, 2000, 2001, 2002, 2003, 2005
   4 ;;           Free Software Foundation, Inc.
   5
   6 ;; Author: RMS
   7 ;; Maintainer: FSF
   8 ;; Keywords: internal, mouse
   9
  10 ;; This file is part of GNU Emacs.
  11
  12 ;; GNU Emacs is free software; you can redistribute it and/or modify
  13 ;; it 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 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  26
  27 ;; Avishai Yacobi suggested some menu rearrangements.
  28
  29 ;;; Commentary:
  30
  31 ;;; Code:
  32
  33 ;;; User options:
  34
  35 (defcustom buffers-menu-max-size 10
  36   "*Maximum number of entries which may appear on the Buffers menu.
  37 If this is 10, then only the ten most-recently-selected buffers are shown.
  38 If this is nil, then all buffers are shown.
  39 A large number or nil slows down menu responsiveness."
  40   :type '(choice integer
  41                  (const :tag "All" nil))
  42   :group 'mouse)
  43
  44 ;; Don't clobber an existing menu-bar keymap, to preserve any menu-bar key
  45 ;; definitions made in loaddefs.el.
  46 (or (lookup-key global-map [menu-bar])
  47     (define-key global-map [menu-bar] (make-sparse-keymap "menu-bar")))
  48 (defvar menu-bar-help-menu (make-sparse-keymap "Help"))
  49
  50 ;; Force Help item to come last, after the major mode's own items.
  51 ;; The symbol used to be called `help', but that gets confused with the
  52 ;; help key.
  53 (setq menu-bar-final-items '(help-menu))
  54
  55 (define-key global-map [menu-bar help-menu] (cons "Help" menu-bar-help-menu))
  56 (defvar menu-bar-tools-menu (make-sparse-keymap "Tools"))
  57 (define-key global-map [menu-bar tools] (cons "Tools" menu-bar-tools-menu))
  58 ;; This definition is just to show what this looks like.
  59 ;; It gets overridden below when menu-bar-update-buffers is called.
  60 (define-key global-map [menu-bar buffer]
  61   (cons "Buffers" (make-sparse-keymap "Buffers")))
  62 (defvar menu-bar-options-menu (make-sparse-keymap "Options"))
  63 (define-key global-map [menu-bar options]
  64   (cons "Options" menu-bar-options-menu))
  65 (defvar menu-bar-edit-menu (make-sparse-keymap "Edit"))
  66 (define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu))
  67 (defvar menu-bar-file-menu (make-sparse-keymap "File"))
  68 (define-key global-map [menu-bar file] (cons "File" menu-bar-file-menu))
  69
  70 ;; This alias is for compatibility with 19.28 and before.
  71 (defvar menu-bar-files-menu menu-bar-file-menu)
  72
  73 ;; This is referenced by some code below; it is defined in uniquify.el
  74 (defvar uniquify-buffer-name-style)
  75
  76 \f
  77 ;; The "File" menu items
  78 (define-key menu-bar-file-menu [exit-emacs]
  79   '(menu-item "Exit Emacs" save-buffers-kill-emacs
  80               :help "Save unsaved buffers, then exit"))
  81
  82 (define-key menu-bar-file-menu [separator-exit]
  83   '("--"))
  84
  85 ;; Don't use delete-frame as event name because that is a special
  86 ;; event.
  87 (define-key menu-bar-file-menu [delete-this-frame]
  88   '(menu-item "Delete Frame" delete-frame
  89               :visible (fboundp 'delete-frame)
  90               :enable (delete-frame-enabled-p)
  91               :help "Delete currently selected frame"))
  92 (define-key menu-bar-file-menu [make-frame-on-display]
  93   '(menu-item "New Frame on Display..." make-frame-on-display
  94               :visible (fboundp 'make-frame-on-display)
  95               :help "Open a new frame on another display"))
  96 (define-key menu-bar-file-menu [make-frame]
  97   '(menu-item "New Frame" make-frame-command
  98               :visible (fboundp 'make-frame-command)
  99               :help "Open a new frame"))
 100
 101 (define-key menu-bar-file-menu [one-window]
 102   '(menu-item "Unsplit Windows" delete-other-windows
 103               :enable (not (one-window-p t nil))
 104               :help "Make selected window fill its frame"))
 105
 106 (define-key menu-bar-file-menu [split-window]
 107   '(menu-item "Split Window" split-window-vertically
 108               :help "Split selected window in two"))
 109
 110 (define-key menu-bar-file-menu [separator-window]
 111   '(menu-item "--"))
 112
 113 (define-key menu-bar-file-menu [ps-print-region]
 114   '(menu-item "Postscript Print Region (B+W)" ps-print-region
 115               :enable mark-active
 116               :help "Pretty-print marked region in black and white to PostScript printer"))
 117 (define-key menu-bar-file-menu [ps-print-buffer]
 118   '(menu-item "Postscript Print Buffer (B+W)" ps-print-buffer
 119               :help "Pretty-print current buffer in black and white to PostScript printer"))
 120 (define-key menu-bar-file-menu [ps-print-region-faces]
 121   '(menu-item "Postscript Print Region" ps-print-region-with-faces
 122               :enable mark-active
 123               :help "Pretty-print marked region to PostScript printer"))
 124 (define-key menu-bar-file-menu [ps-print-buffer-faces]
 125   '(menu-item "Postscript Print Buffer" ps-print-buffer-with-faces
 126               :help "Pretty-print current buffer to PostScript printer"))
 127 (define-key menu-bar-file-menu [print-region]
 128   '(menu-item "Print Region" print-region
 129               :enable mark-active
 130               :help "Print region between mark and current position"))
 131 (define-key menu-bar-file-menu [print-buffer]
 132   '(menu-item "Print Buffer" print-buffer
 133               :help "Print current buffer with page headings"))
 134
 135 (define-key menu-bar-file-menu [separator-print]
 136   '(menu-item "--"))
 137
 138 (define-key menu-bar-file-menu [recover-session]
 139   '(menu-item "Recover Crashed Session" recover-session
 140               :enable (and auto-save-list-file-prefix
 141                            (file-directory-p
 142                             (file-name-directory auto-save-list-file-prefix))
 143                            (directory-files
 144                             (file-name-directory auto-save-list-file-prefix)
 145                             nil
 146                             (concat "\\`"
 147                                     (regexp-quote
 148                                      (file-name-nondirectory
 149                                       auto-save-list-file-prefix)))
 150                             t))
 151               :help "Recover edits from a crashed session"))
 152 (define-key menu-bar-file-menu [revert-buffer]
 153   '(menu-item "Revert Buffer" revert-buffer
 154               :enable (or revert-buffer-function
 155                           revert-buffer-insert-file-contents-function
 156                           (and buffer-file-number
 157                                (or (buffer-modified-p)
 158                                    (not (verify-visited-file-modtime
 159                                          (current-buffer))))))
 160               :help "Re-read current buffer from its file"))
 161 (define-key menu-bar-file-menu [write-file]
 162   '(menu-item "Save Buffer As..." write-file
 163               :enable (not (window-minibuffer-p
 164                             (frame-selected-window menu-updating-frame)))
 165               :help "Write current buffer to another file"))
 166 (define-key menu-bar-file-menu [save-buffer]
 167   '(menu-item "Save (current buffer)" save-buffer
 168               :enable (and (buffer-modified-p)
 169                            (buffer-file-name)
 170                            (not (window-minibuffer-p
 171                                  (frame-selected-window menu-updating-frame))))
 172               :help "Save current buffer to its file"))
 173
 174 (define-key menu-bar-file-menu [separator-save]
 175   '(menu-item "--"))
 176
 177 (define-key menu-bar-file-menu [kill-buffer]
 178   '(menu-item "Close (current buffer)" kill-this-buffer
 179               :enable (kill-this-buffer-enabled-p)
 180               :help "Discard current buffer"))
 181 (define-key menu-bar-file-menu [insert-file]
 182   '(menu-item "Insert File..." insert-file
 183               :enable (not (window-minibuffer-p
 184                             (frame-selected-window menu-updating-frame)))
 185               :help "Insert another file into current buffer"))
 186 (define-key menu-bar-file-menu [dired]
 187   '(menu-item "Open Directory..." dired
 188               :enable (not (window-minibuffer-p
 189                             (frame-selected-window menu-updating-frame)))
 190               :help "Read a directory, operate on its files"))
 191 (define-key menu-bar-file-menu [open-file]
 192   '(menu-item "Open File..." find-file-existing
 193               :enable (not (window-minibuffer-p
 194                             (frame-selected-window menu-updating-frame)))
 195               :help "Read an existing file into an Emacs buffer"))
 196 (define-key menu-bar-file-menu [new-file]
 197   '(menu-item "New File..." find-file
 198               :enable (not (window-minibuffer-p
 199                             (frame-selected-window menu-updating-frame)))
 200               :help "Read or create a file and edit it"))
 201
 202 \f
 203 ;; The "Edit" menu items
 204
 205 ;; The "Edit->Search" submenu
 206 (defvar menu-bar-last-search-type nil
 207   "Type of last non-incremental search command called from the menu.")
 208
 209 (defun nonincremental-repeat-search-forward ()
 210   "Search forward for the previous search string or regexp."
 211   (interactive)
 212   (cond
 213    ((and (eq menu-bar-last-search-type 'string)
 214          search-ring)
 215     (search-forward (car search-ring)))
 216    ((and (eq menu-bar-last-search-type 'regexp)
 217          regexp-search-ring)
 218     (re-search-forward (car regexp-search-ring)))
 219    (t
 220     (error "No previous search"))))
 221
 222 (defun nonincremental-repeat-search-backward ()
 223   "Search backward for the previous search string or regexp."
 224   (interactive)
 225   (cond
 226    ((and (eq menu-bar-last-search-type 'string)
 227          search-ring)
 228     (search-backward (car search-ring)))
 229    ((and (eq menu-bar-last-search-type 'regexp)
 230          regexp-search-ring)
 231     (re-search-backward (car regexp-search-ring)))
 232    (t
 233     (error "No previous search"))))
 234
 235 (defun nonincremental-search-forward (string)
 236   "Read a string and search for it nonincrementally."
 237   (interactive "sSearch for string: ")
 238   (setq menu-bar-last-search-type 'string)
 239   (if (equal string "")
 240       (search-forward (car search-ring))
 241     (isearch-update-ring string nil)
 242     (search-forward string)))
 243
 244 (defun nonincremental-search-backward (string)
 245   "Read a string and search backward for it nonincrementally."
 246   (interactive "sSearch for string: ")
 247   (setq menu-bar-last-search-type 'string)
 248   (if (equal string "")
 249       (search-backward (car search-ring))
 250     (isearch-update-ring string nil)
 251     (search-backward string)))
 252
 253 (defun nonincremental-re-search-forward (string)
 254   "Read a regular expression and search for it nonincrementally."
 255   (interactive "sSearch for regexp: ")
 256   (setq menu-bar-last-search-type 'regexp)
 257   (if (equal string "")
 258       (re-search-forward (car regexp-search-ring))
 259     (isearch-update-ring string t)
 260     (re-search-forward string)))
 261
 262 (defun nonincremental-re-search-backward (string)
 263   "Read a regular expression and search backward for it nonincrementally."
 264   (interactive "sSearch for regexp: ")
 265   (setq menu-bar-last-search-type 'regexp)
 266   (if (equal string "")
 267       (re-search-backward (car regexp-search-ring))
 268     (isearch-update-ring string t)
 269     (re-search-backward string)))
 270
 271 (defvar menu-bar-search-menu (make-sparse-keymap "Search"))
 272
 273 ;; The Edit->Search->Incremental Search menu
 274 (defvar menu-bar-i-search-menu
 275   (make-sparse-keymap "Incremental Search"))
 276
 277 (define-key menu-bar-i-search-menu [isearch-backward-regexp]
 278   '(menu-item "Backward Regexp..." isearch-backward-regexp
 279               :help "Search backwards for a regular expression as you type it"))
 280 (define-key menu-bar-i-search-menu [isearch-forward-regexp]
 281   '(menu-item "Forward Regexp..." isearch-forward-regexp
 282               :help "Search forward for a regular expression as you type it"))
 283 (define-key menu-bar-i-search-menu [isearch-backward]
 284   '(menu-item "Backward String..." isearch-backward
 285               :help "Search backwards for a string as you type it"))
 286 (define-key menu-bar-i-search-menu [isearch-forward]
 287   '(menu-item "Forward String..." isearch-forward
 288               :help "Search forward for a string as you type it"))
 289
 290
 291 (define-key menu-bar-search-menu [i-search]
 292   (list 'menu-item "Incremental Search" menu-bar-i-search-menu
 293               :help "Incremental Search finds partial matches while you type the search string.\nIt is most convenient from the keyboard.  Try it!"))
 294 (define-key menu-bar-search-menu [separator-tag-isearch]
 295   '(menu-item "--"))
 296
 297 (define-key menu-bar-search-menu [tags-continue]
 298   '(menu-item "Continue Tags Search" tags-loop-continue
 299               :help "Continue last tags search operation"))
 300 (define-key menu-bar-search-menu [tags-srch]
 301   '(menu-item "Search tagged files..." tags-search
 302               :help "Search for a regexp in all tagged files"))
 303 (define-key menu-bar-search-menu [separator-tag-search]
 304   '(menu-item "--"))
 305
 306 (define-key menu-bar-search-menu [repeat-search-back]
 307   '(menu-item "Repeat Backwards" nonincremental-repeat-search-backward
 308               :enable (or (and (eq menu-bar-last-search-type 'string)
 309                                search-ring)
 310                           (and (eq menu-bar-last-search-type 'regexp)
 311                                regexp-search-ring))
 312               :help "Repeat last search backwards"))
 313 (define-key menu-bar-search-menu [repeat-search-fwd]
 314   '(menu-item "Repeat Forward" nonincremental-repeat-search-forward
 315               :enable (or (and (eq menu-bar-last-search-type 'string)
 316                                search-ring)
 317                           (and (eq menu-bar-last-search-type 'regexp)
 318                                regexp-search-ring))
 319               :help "Repeat last search forward"))
 320 (define-key menu-bar-search-menu [separator-repeat-search]
 321   '(menu-item "--"))
 322
 323 (define-key menu-bar-search-menu [re-search-backward]
 324   '(menu-item "Regexp Backwards..." nonincremental-re-search-backward
 325               :help "Search backwards for a regular expression"))
 326 (define-key menu-bar-search-menu [re-search-forward]
 327   '(menu-item "Regexp Forward..." nonincremental-re-search-forward
 328               :help "Search forward for a regular expression"))
 329
 330 (define-key menu-bar-search-menu [search-backward]
 331   '(menu-item "String Backwards..." nonincremental-search-backward
 332               :help "Search backwards for a string"))
 333 (define-key menu-bar-search-menu [search-forward]
 334   '(menu-item "String Forward..." nonincremental-search-forward
 335               :help "Search forward for a string"))
 336
 337 ;; The Edit->Replace submenu
 338
 339 (defvar menu-bar-replace-menu (make-sparse-keymap "Replace"))
 340
 341 (define-key menu-bar-replace-menu [tags-repl-continue]
 342   '(menu-item "Continue Replace" tags-loop-continue
 343               :help "Continue last tags replace operation"))
 344 (define-key menu-bar-replace-menu [tags-repl]
 345   '(menu-item "Replace in tagged files..." tags-query-replace
 346               :help "Interactively replace a regexp in all tagged files"))
 347 (define-key menu-bar-replace-menu [separator-replace-tags]
 348   '(menu-item "--"))
 349
 350 (define-key menu-bar-replace-menu [query-replace-regexp]
 351   '(menu-item "Replace Regexp..." query-replace-regexp
 352               :enable (not buffer-read-only)
 353               :help "Replace regular expression interactively, ask about each occurrence"))
 354 (define-key menu-bar-replace-menu [query-replace]
 355   '(menu-item "Replace String..." query-replace
 356               :enable (not buffer-read-only)
 357               :help "Replace string interactively, ask about each occurrence"))
 358
 359 ;;; Assemble the top-level Edit menu items.
 360 (define-key menu-bar-edit-menu [props]
 361   '(menu-item "Text Properties" facemenu-menu
 362               :help "Change properties of text in region"))
 363
 364 (define-key menu-bar-edit-menu [fill]
 365   '(menu-item "Fill" fill-region
 366               :enable (and mark-active (not buffer-read-only))
 367               :help
 368               "Fill text in region to fit between left and right margin"))
 369
 370 (define-key menu-bar-edit-menu [separator-bookmark]
 371   '(menu-item "--"))
 372
 373 (define-key menu-bar-edit-menu [bookmark]
 374   '(menu-item "Bookmarks" menu-bar-bookmark-map
 375               :help "Record positions and jump between them"))
 376
 377 (defvar menu-bar-goto-menu (make-sparse-keymap "Go To"))
 378
 379 (define-key menu-bar-goto-menu [set-tags-name]
 380   '(menu-item "Set Tags File Name..." visit-tags-table
 381               :help "Tell Tags commands which tag table file to use"))
 382
 383 (define-key menu-bar-goto-menu [separator-tag-file]
 384   '(menu-item "--"))
 385
 386 (define-key menu-bar-goto-menu [apropos-tags]
 387   '(menu-item "Tags Apropos..." tags-apropos
 388               :help "Find function/variables whose names match regexp"))
 389 (define-key menu-bar-goto-menu [next-tag-otherw]
 390   '(menu-item "Next Tag in Other Window"
 391               menu-bar-next-tag-other-window
 392               :enable (and (boundp 'tags-location-ring)
 393                            (not (ring-empty-p tags-location-ring)))
 394               :help "Find next function/variable matching last tag name in another window"))
 395
 396 (defun menu-bar-next-tag-other-window ()
 397   "Find the next definition of the tag already specified."
 398   (interactive)
 399   (find-tag-other-window nil t))
 400
 401 (defun menu-bar-next-tag ()
 402   "Find the next definition of the tag already specified."
 403   (interactive)
 404   (find-tag nil t))
 405
 406 (define-key menu-bar-goto-menu [next-tag]
 407   '(menu-item "Find Next Tag"
 408               menu-bar-next-tag
 409               :enable (and (boundp 'tags-location-ring)
 410                            (not (ring-empty-p tags-location-ring)))
 411               :help "Find next function/variable matching last tag name"))
 412 (define-key menu-bar-goto-menu [find-tag-otherw]
 413   '(menu-item "Find Tag in Other Window..." find-tag-other-window
 414               :help "Find function/variable definition in another window"))
 415 (define-key menu-bar-goto-menu [find-tag]
 416   '(menu-item "Find Tag..." find-tag
 417               :help "Find definition of function or variable"))
 418
 419 (define-key menu-bar-goto-menu [separator-tags]
 420   '(menu-item "--"))
 421
 422 (define-key menu-bar-goto-menu [end-of-buf]
 423   '(menu-item "Goto End of Buffer" end-of-buffer))
 424 (define-key menu-bar-goto-menu [beg-of-buf]
 425   '(menu-item "Goto Beginning of Buffer" beginning-of-buffer))
 426 (define-key menu-bar-goto-menu [go-to-pos]
 427   '(menu-item "Goto Buffer Position..." goto-char
 428               :help "Read a number N and go to buffer position N"))
 429 (define-key menu-bar-goto-menu [go-to-line]
 430   '(menu-item "Goto Line..." goto-line
 431               :help "Read a line number and go to that line"))
 432
 433 (define-key menu-bar-edit-menu [goto]
 434   (list 'menu-item "Go To" menu-bar-goto-menu))
 435
 436 (define-key menu-bar-edit-menu [replace]
 437   (list 'menu-item "Replace" menu-bar-replace-menu))
 438
 439 (define-key menu-bar-edit-menu [search]
 440   (list 'menu-item "Search" menu-bar-search-menu))
 441
 442 (define-key menu-bar-edit-menu [separator-search]
 443   '(menu-item "--"))
 444
 445 (define-key menu-bar-edit-menu [mark-whole-buffer]
 446   '(menu-item "Select All" mark-whole-buffer
 447               :help "Mark the whole buffer for a subsequent cut/copy."))
 448 (define-key menu-bar-edit-menu [clear]
 449   '(menu-item "Clear" delete-region
 450               :enable (and mark-active
 451                            (not buffer-read-only)
 452                            (not (mouse-region-match)))
 453               :help
 454               "Delete the text in region between mark and current position"))
 455 (defvar yank-menu (cons "Select Yank" nil))
 456 (fset 'yank-menu (cons 'keymap yank-menu))
 457 (define-key menu-bar-edit-menu [select-paste]
 458   '(menu-item "Select and Paste" yank-menu
 459               :enable (and (cdr yank-menu) (not buffer-read-only))
 460               :help "Paste (yank) text cut or copied earlier"))
 461 (define-key menu-bar-edit-menu [paste]
 462   '(menu-item "Paste" yank
 463               :enable (and
 464                        ;; Emacs compiled --without-x doesn't have
 465                        ;; x-selection-exists-p.
 466                        (fboundp 'x-selection-exists-p)
 467                        (x-selection-exists-p) (not buffer-read-only))
 468               :help "Paste (yank) text most recently cut/copied"))
 469 (define-key menu-bar-edit-menu [copy]
 470   '(menu-item "Copy" menu-bar-kill-ring-save
 471               :enable mark-active
 472               :help "Copy text in region between mark and current position"
 473               :keys "\\[kill-ring-save]"))
 474 (define-key menu-bar-edit-menu [cut]
 475   '(menu-item "Cut" kill-region
 476               :enable (and mark-active (not buffer-read-only))
 477               :help
 478               "Cut (kill) text in region between mark and current position"))
 479 (define-key menu-bar-edit-menu [undo]
 480   '(menu-item "Undo" undo
 481               :enable (and (not buffer-read-only)
 482                            (not (eq t buffer-undo-list))
 483                            (if (eq last-command 'undo)
 484                                pending-undo-list
 485                              (consp buffer-undo-list)))
 486               :help "Undo last operation"))
 487
 488
 489 (defun menu-bar-kill-ring-save (beg end)
 490   (interactive "r")
 491   (if (mouse-region-match)
 492       (message "Selecting a region with the mouse does `copy' automatically")
 493     (kill-ring-save beg end)))
 494
 495 ;; These are alternative definitions for the cut, paste and copy
 496 ;; menu items.  Use them if your system expects these to use the clipboard.
 497
 498 (put 'clipboard-kill-region 'menu-enable 'mark-active)
 499 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 500 (put 'clipboard-yank 'menu-enable
 501      '(or (and (fboundp 'x-selection-exists-p) (x-selection-exists-p))
 502           (x-selection-exists-p 'CLIPBOARD)))
 503
 504 (defun clipboard-yank ()
 505   "Insert the clipboard contents, or the last stretch of killed text."
 506   (interactive)
 507   (let ((x-select-enable-clipboard t))
 508     (yank)))
 509
 510 (defun clipboard-kill-ring-save (beg end)
 511   "Copy region to kill ring, and save in the X clipboard."
 512   (interactive "r")
 513   (let ((x-select-enable-clipboard t))
 514     (kill-ring-save beg end)))
 515
 516 (defun clipboard-kill-region (beg end)
 517   "Kill the region, and save it in the X clipboard."
 518   (interactive "r")
 519   (let ((x-select-enable-clipboard t))
 520     (kill-region beg end)))
 521
 522 (defun menu-bar-enable-clipboard ()
 523   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 524 Do the same for the keys of the same name."
 525   (interactive)
 526   ;; We can't use constant list structure here because it becomes pure,
 527   ;; and because it gets modified with cache data.
 528   (define-key menu-bar-edit-menu [paste]
 529     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 530   (define-key menu-bar-edit-menu [copy]
 531     (cons "Copy" (cons "Copy text in region to the clipboard"
 532                        'clipboard-kill-ring-save)))
 533   (define-key menu-bar-edit-menu [cut]
 534     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 535                       'clipboard-kill-region)))
 536
 537   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 538   ;; (also for XFree86 on Sun keyboard):
 539   (define-key global-map [f20] 'clipboard-kill-region)
 540   (define-key global-map [f16] 'clipboard-kill-ring-save)
 541   (define-key global-map [f18] 'clipboard-yank)
 542   ;; X11R6 versions:
 543   (define-key global-map [cut] 'clipboard-kill-region)
 544   (define-key global-map [copy] 'clipboard-kill-ring-save)
 545   (define-key global-map [paste] 'clipboard-yank))
 546 \f
 547 ;; The "Options" menu items
 548
 549 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 550
 551 (define-key menu-bar-custom-menu [customize-apropos-groups]
 552   '(menu-item "Groups Matching Regexp..." customize-apropos-groups
 553               :help "Browse groups whose names match regexp"))
 554 (define-key menu-bar-custom-menu [customize-apropos-faces]
 555   '(menu-item "Faces Matching Regexp..." customize-apropos-faces
 556               :help "Browse faces whose names match regexp"))
 557 (define-key menu-bar-custom-menu [customize-apropos-options]
 558   '(menu-item "Options Matching Regexp..." customize-apropos-options
 559               :help "Browse options whose names match regexp"))
 560 (define-key menu-bar-custom-menu [customize-apropos]
 561   '(menu-item "Settings Matching Regexp..." customize-apropos
 562               :help "Browse customizable settings whose names match regexp"))
 563 (define-key menu-bar-custom-menu [separator-1]
 564   '("--"))
 565 (define-key menu-bar-custom-menu [customize-group]
 566   '(menu-item "Specific Group..." customize-group
 567               :help "Customize settings of specific group"))
 568 (define-key menu-bar-custom-menu [customize-face]
 569   '(menu-item "Specific Face..." customize-face
 570               :help "Customize attributes of specific face"))
 571 (define-key menu-bar-custom-menu [customize-option]
 572   '(menu-item "Specific Option..." customize-option
 573               :help "Customize value of specific option"))
 574 (define-key menu-bar-custom-menu [separator-2]
 575   '("--"))
 576 (define-key menu-bar-custom-menu [customize-changed-options]
 577   '(menu-item "New Options..." customize-changed-options
 578               :help "Options added or changed in recent Emacs versions"))
 579 (define-key menu-bar-custom-menu [customize-saved]
 580   '(menu-item "Saved Options" customize-saved
 581               :help "Customize previously saved options"))
 582 (define-key menu-bar-custom-menu [separator-3]
 583   '("--"))
 584 (define-key menu-bar-custom-menu [customize-browse]
 585   '(menu-item "Browse Customization Groups" customize-browse
 586               :help "Browse all customization groups"))
 587 (define-key menu-bar-custom-menu [customize]
 588   '(menu-item "Top-level Customization Group" customize
 589               :help "The master group called `Emacs'"))
 590
 591 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 592
 593 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 594   "Make a menu-item for a global minor mode toggle.
 595 FNAME is the minor mode's name (variable and function).
 596 DOC is the text to use for the menu entry.
 597 HELP is the text to use for the tooltip.
 598 PROPS are additional properties."
 599   `'(menu-item ,doc ,fname
 600      ,@props
 601      :help ,help
 602      :button (:toggle . (and (default-boundp ',fname)
 603                              (default-value ',fname)))))
 604
 605 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 606   `(progn
 607      (defun ,name (&optional interactively)
 608        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 609                 (substring help 1) ".\
 610 In an interactive call, record this option as a candidate for saving
 611 by \"Save Options\" in Custom buffers.")
 612        (interactive "p")
 613        (if ,(if body `(progn . ,body)
 614               `(progn
 615                  (custom-load-symbol ',variable)
 616                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 617                        (get (or (get ',variable 'custom-get) 'default-value)))
 618                    (funcall set ',variable (not (funcall get ',variable))))))
 619            (message ,message "enabled")
 620          (message ,message "disabled"))
 621        ;; The function `customize-mark-as-set' must only be called when
 622        ;; a variable is set interactively, as the purpose is to mark it as
 623        ;; a candidate for "Save Options", and we do not want to save options
 624        ;; the user have already set explicitly in his init file.
 625        (if interactively (customize-mark-as-set ',variable)))
 626      '(menu-item ,doc ,name
 627                  :help ,help
 628                  :button (:toggle . (and (default-boundp ',variable)
 629                                          (default-value ',variable))))))
 630
 631 ;;; Assemble all the top-level items of the "Options" menu
 632 (define-key menu-bar-options-menu [customize]
 633   (list 'menu-item "Customize Emacs" menu-bar-custom-menu
 634         :help "Full customization of every Emacs feature"))
 635
 636 (defun menu-bar-options-save ()
 637   "Save current values of Options menu items using Custom."
 638   (interactive)
 639   (let ((need-save nil))
 640     ;; These are set with menu-bar-make-mm-toggle, which does not
 641     ;; put on a customized-value property.
 642     (dolist (elt '(line-number-mode column-number-mode size-indication-mode
 643                    cua-mode show-paren-mode transient-mark-mode
 644                    global-font-lock-mode blink-cursor-mode))
 645       (and (customize-mark-to-save elt)
 646            (setq need-save t)))
 647     ;; These are set with `customize-set-variable'.
 648     (dolist (elt '(scroll-bar-mode
 649                    debug-on-quit debug-on-error
 650                    tooltip-mode menu-bar-mode tool-bar-mode
 651                    save-place uniquify-buffer-name-style fringe-mode
 652                    fringe-indicators case-fold-search
 653                    display-time-mode auto-compression-mode
 654                    current-language-environment default-input-method
 655                    ;; Saving `text-mode-hook' is somewhat questionable,
 656                    ;; as we might get more than we bargain for, if
 657                    ;; other code may has added hooks as well.
 658                    ;; Nonetheless, not saving it would like be confuse
 659                    ;; more often.
 660                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 661                    text-mode-hook))
 662       (and (get elt 'customized-value)
 663            (customize-mark-to-save elt)
 664            (setq need-save t)))
 665     ;; Save if we changed anything.
 666     (when need-save
 667       (custom-save-all))))
 668
 669 (define-key menu-bar-options-menu [save]
 670   '(menu-item "Save Options" menu-bar-options-save
 671               :help "Save options set from the menu above"))
 672
 673 (define-key menu-bar-options-menu [custom-separator]
 674   '("--"))
 675
 676 (define-key menu-bar-options-menu [mouse-set-font]
 677   '(menu-item "Set Font/Fontset..." mouse-set-font
 678                :visible (display-multi-font-p)
 679                :help "Select a font from list of known fonts/fontsets"))
 680
 681 ;; The "Show/Hide" submenu of menu "Options"
 682
 683 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 684
 685 (define-key menu-bar-showhide-menu [column-number-mode]
 686   (menu-bar-make-mm-toggle column-number-mode
 687                            "Column Numbers"
 688                            "Show the current column number in the mode line"))
 689
 690 (define-key menu-bar-showhide-menu [line-number-mode]
 691   (menu-bar-make-mm-toggle line-number-mode
 692                            "Line Numbers"
 693                            "Show the current line number in the mode line"))
 694
 695 (define-key menu-bar-showhide-menu [size-indication-mode]
 696   (menu-bar-make-mm-toggle size-indication-mode
 697                            "Size Indication"
 698                            "Show the size of the buffer in the mode line"))
 699
 700 (define-key menu-bar-showhide-menu [linecolumn-separator]
 701   '("--"))
 702
 703 (define-key menu-bar-showhide-menu [showhide-date-time]
 704   (menu-bar-make-mm-toggle display-time-mode
 705                            "Date, Time and Mail"
 706                            "Display date, time, mail status in mode line"))
 707
 708 (define-key menu-bar-showhide-menu [datetime-separator]
 709   '("--"))
 710
 711 (define-key menu-bar-showhide-menu [showhide-speedbar]
 712   '(menu-item "Speedbar" speedbar-frame-mode
 713               :help "Display a Speedbar quick-navigation frame"
 714               :button (:toggle
 715                        . (and (boundp 'speedbar-frame)
 716                               (frame-live-p (symbol-value 'speedbar-frame))
 717                               (frame-visible-p
 718                                (symbol-value 'speedbar-frame))))))
 719
 720
 721 (defvar menu-bar-showhide-fringe-ind-menu (make-sparse-keymap "Indicators"))
 722
 723 ;; The real definition is in fringe.el.
 724 ;; This is to prevent errors in the :radio conditions below.
 725 (setq fringe-indicators nil)
 726
 727 (defun menu-bar-showhide-fringe-ind-empty ()
 728   "Display empty line indicators in the left or right fringe."
 729   (interactive)
 730   (require 'fringe)
 731   (customize-set-variable 'fringe-indicators 'empty))
 732
 733 (define-key menu-bar-showhide-fringe-ind-menu [empty]
 734   '(menu-item "Empty lines only" menu-bar-showhide-fringe-ind-empty
 735               :help "Show empty line indicators in fringe"
 736               :visible (display-graphic-p)
 737               :button (:radio . (eq fringe-indicators 'empty))))
 738
 739 (defun menu-bar-showhide-fringe-ind-mixed ()
 740   "Display top and bottom indicators in opposite fringes, arrow in right."
 741   (interactive)
 742   (require 'fringe)
 743   (customize-set-variable 'fringe-indicators 'mixed))
 744
 745 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 746   '(menu-item "Opposite, arrows right" menu-bar-showhide-fringe-ind-mixed
 747               :help "Show top/bottom indicators in opposite fringes, arrows in right"
 748               :visible (display-graphic-p)
 749               :button (:radio . (eq fringe-indicators 'mixed))))
 750
 751 (defun menu-bar-showhide-fringe-ind-box ()
 752   "Display top and bottom indicators in opposite fringes."
 753   (interactive)
 754   (require 'fringe)
 755   (customize-set-variable 'fringe-indicators 'box))
 756
 757 (define-key menu-bar-showhide-fringe-ind-menu [box]
 758   '(menu-item "Opposite, no arrows" menu-bar-showhide-fringe-ind-box
 759               :help "Show top/bottom indicators in opposite fringes, no arrows"
 760               :visible (display-graphic-p)
 761               :button (:radio . (eq fringe-indicators 'box))))
 762
 763 (defun menu-bar-showhide-fringe-ind-right ()
 764   "Display fringe indicators in the right fringe."
 765   (interactive)
 766   (require 'fringe)
 767   (customize-set-variable 'fringe-indicators 'right))
 768
 769 (define-key menu-bar-showhide-fringe-ind-menu [right]
 770   '(menu-item "In right fringe" menu-bar-showhide-fringe-ind-right
 771               :help "Show indicators in right fringe"
 772               :visible (display-graphic-p)
 773               :button (:radio . (eq fringe-indicators 'right))))
 774
 775 (defun menu-bar-showhide-fringe-ind-left ()
 776   "Display fringe indicators in the left fringe."
 777   (interactive)
 778   (require 'fringe)
 779   (customize-set-variable 'fringe-indicators 'left))
 780
 781 (define-key menu-bar-showhide-fringe-ind-menu [left]
 782   '(menu-item "In left fringe" menu-bar-showhide-fringe-ind-left
 783               :help "Show indicators in left fringe"
 784               :visible (display-graphic-p)
 785               :button (:radio . (eq fringe-indicators 'left))))
 786
 787 (defun menu-bar-showhide-fringe-ind-none ()
 788   "Do not display any fringe indicators."
 789   (interactive)
 790   (require 'fringe)
 791   (customize-set-variable 'fringe-indicators nil))
 792
 793 (define-key menu-bar-showhide-fringe-ind-menu [none]
 794   '(menu-item "No indicators" menu-bar-showhide-fringe-ind-none
 795               :help "Hide all fringe indicators"
 796               :visible (display-graphic-p)
 797               :button (:radio . (eq fringe-indicators nil))))
 798
 799
 800
 801 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 802
 803 (defun menu-bar-showhide-fringe-menu-customize ()
 804   "Show customization buffer for `fringe-mode'."
 805   (interactive)
 806   (customize-variable 'fringe-mode))
 807
 808 (define-key menu-bar-showhide-fringe-menu [customize]
 809   '(menu-item "Customize" menu-bar-showhide-fringe-menu-customize
 810               :help "Detailed customization of fringe"
 811               :visible (display-graphic-p)))
 812
 813 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 814   "Reset the fringe mode: display fringes on both sides of a window."
 815   (interactive)
 816   (customize-set-variable 'fringe-mode nil))
 817
 818 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 819   (list 'menu-item "Indicators" menu-bar-showhide-fringe-ind-menu
 820         :visible `(display-graphic-p)
 821         :help "Select fringe mode"))
 822
 823 ;; The real definition is in fringe.el.
 824 ;; This is to prevent errors in the :radio conditions below.
 825 (setq fringe-mode nil)
 826
 827 (define-key menu-bar-showhide-fringe-menu [default]
 828   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 829               :help "Default width fringe on both left and right side"
 830               :visible (display-graphic-p)
 831               :button (:radio . (eq fringe-mode nil))))
 832
 833 (defun menu-bar-showhide-fringe-menu-customize-left ()
 834   "Display fringes only on the left of each window."
 835   (interactive)
 836   (require 'fringe)
 837   (customize-set-variable 'fringe-mode '(nil . 0)))
 838
 839 (define-key menu-bar-showhide-fringe-menu [left]
 840   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 841               :help "Fringe only on the left side"
 842               :visible (display-graphic-p)
 843               :button (:radio . (equal fringe-mode '(nil . 0)))))
 844
 845 (defun menu-bar-showhide-fringe-menu-customize-right ()
 846   "Display fringes only on the right of each window."
 847   (interactive)
 848   (require 'fringe)
 849   (customize-set-variable 'fringe-mode '(0 . nil)))
 850
 851 (define-key menu-bar-showhide-fringe-menu [right]
 852   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 853               :help "Fringe only on the right side"
 854               :visible (display-graphic-p)
 855               :button (:radio . (equal fringe-mode '(0 . nil)))))
 856
 857 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 858   "Do not display window fringes."
 859   (interactive)
 860   (require 'fringe)
 861   (customize-set-variable 'fringe-mode 0))
 862
 863 (define-key menu-bar-showhide-fringe-menu [none]
 864   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 865               :help "Turn off fringe"
 866               :visible (display-graphic-p)
 867               :button (:radio . (eq fringe-mode 0))))
 868
 869 (define-key menu-bar-showhide-menu [showhide-fringe]
 870   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 871         :visible `(display-graphic-p)
 872         :help "Select fringe mode"))
 873
 874 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 875
 876 (define-key menu-bar-showhide-scroll-bar-menu [right]
 877   '(menu-item "On the Right"
 878               menu-bar-right-scroll-bar
 879               :help "Scroll-bar on the right side"
 880               :visible (display-graphic-p)
 881               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 882                                                (frame-parameters))) 'right))))
 883 (defun menu-bar-right-scroll-bar ()
 884   "Display scroll bars on the right of each window."
 885   (interactive)
 886   (customize-set-variable 'scroll-bar-mode 'right))
 887
 888 (define-key menu-bar-showhide-scroll-bar-menu [left]
 889   '(menu-item "On the Left"
 890               menu-bar-left-scroll-bar
 891               :help "Scroll-bar on the left side"
 892               :visible (display-graphic-p)
 893               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 894                                                (frame-parameters))) 'left))))
 895
 896 (defun menu-bar-left-scroll-bar ()
 897   "Display scroll bars on the left of each window."
 898   (interactive)
 899   (customize-set-variable 'scroll-bar-mode 'left))
 900
 901 (define-key menu-bar-showhide-scroll-bar-menu [none]
 902   '(menu-item "None"
 903               menu-bar-no-scroll-bar
 904               :help "Turn off scroll-bar"
 905               :visible (display-graphic-p)
 906               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 907                                                (frame-parameters))) nil))))
 908
 909 (defun menu-bar-no-scroll-bar ()
 910   "Turn off scroll bars."
 911   (interactive)
 912   (customize-set-variable 'scroll-bar-mode nil))
 913
 914 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 915   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 916         :visible `(display-graphic-p)
 917         :help "Select scroll-bar mode"))
 918
 919 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 920   (list 'menu-item "Tooltips" 'tooltip-mode
 921         :help "Toggle tooltips on/off"
 922         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 923         :button `(:toggle . tooltip-mode)))
 924
 925 (define-key menu-bar-showhide-menu [menu-bar-mode]
 926   '(menu-item "Menu-bar" menu-bar-mode
 927               :help "Toggle menu-bar on/off"
 928               :button (:toggle . menu-bar-mode)))
 929
 930 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 931   (list 'menu-item "Tool-bar" 'tool-bar-mode
 932         :help "Turn tool-bar on/off"
 933         :visible `(display-graphic-p)
 934         :button `(:toggle . tool-bar-mode)))
 935
 936 (define-key menu-bar-options-menu [showhide]
 937   (list 'menu-item "Show/Hide" menu-bar-showhide-menu
 938         :help "Toggle on/off various display features"))
 939
 940 (define-key menu-bar-options-menu [showhide-separator]
 941   '("--"))
 942
 943 (define-key menu-bar-options-menu [mule]
 944   ;; It is better not to use backquote here,
 945   ;; because that makes a bootstrapping problem
 946   ;; if you need to recompile all the Lisp files using interpreted code.
 947   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 948 ;; Most of the MULE menu actually does make sense in unibyte mode,
 949 ;; e.g. language selection.
 950 ;;;     ':visible 'default-enable-multibyte-characters
 951         ':help "Default language, encodings, input method"))
 952 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 953 ;(define-key menu-bar-options-menu [preferences]
 954 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 955 ;       :help "Toggle important global options"))
 956
 957 (define-key menu-bar-options-menu [mule-separator]
 958   '("--"))
 959
 960 (define-key menu-bar-options-menu [debug-on-quit]
 961   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 962                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 963                         "Enter Lisp debugger when C-g is pressed"))
 964 (define-key menu-bar-options-menu [debug-on-error]
 965   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 966                         "Enter Debugger on Error" "Debug on Error %s"
 967                         "Enter Lisp debugger when an error is signaled"))
 968 (define-key menu-bar-options-menu [debugger-separator]
 969   '("--"))
 970
 971 (define-key menu-bar-options-menu [blink-cursor-mode]
 972   (menu-bar-make-mm-toggle blink-cursor-mode
 973                            "Blinking Cursor"
 974                            "Whether the cursor blinks (Blink Cursor mode)"))
 975 (define-key menu-bar-options-menu [cursor-separator]
 976   '("--"))
 977
 978 (define-key menu-bar-options-menu [toggle-auto-compression]
 979   '(menu-item "Automatic File De/compression"
 980               auto-compression-mode
 981               :help "Transparently decompress compressed files"
 982               :button (:toggle . (rassq 'jka-compr-handler
 983                                         file-name-handler-alist))))
 984
 985 (define-key menu-bar-options-menu [save-place]
 986   (menu-bar-make-toggle toggle-save-place-globally save-place
 987                         "Save Place in Files between Sessions"
 988                         "Saving place in files %s"
 989                         "Visit files of previous session when restarting Emacs"
 990                         (require 'saveplace)
 991                         ;; Do it by name, to avoid a free-variable
 992                         ;; warning during byte compilation.
 993                         (set-default
 994                          'save-place (not (symbol-value 'save-place)))))
 995
 996 (define-key menu-bar-options-menu [uniquify]
 997   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
 998                         "Use Directory Names in Buffer Names"
 999                         "Directory name in buffer names (uniquify) %s"
1000                         "Uniquify buffer names by adding parent directory names"
1001                         (require 'uniquify)
1002                         (setq uniquify-buffer-name-style
1003                               (if (not uniquify-buffer-name-style)
1004                                   'forward))))
1005
1006 (define-key menu-bar-options-menu [edit-options-separator]
1007   '("--"))
1008 (define-key menu-bar-options-menu [cua-mode]
1009   (menu-bar-make-mm-toggle cua-mode
1010                            "C-x/C-c/C-v cut and paste (CUA)"
1011                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"))
1012
1013 (define-key menu-bar-options-menu [case-fold-search]
1014   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1015                         "Case-Insensitive Search"
1016                         "Case-Insensitive Search %s"
1017                         "Ignore letter-case in search"))
1018
1019 (defun menu-bar-text-mode-auto-fill ()
1020   (interactive)
1021   (toggle-text-mode-auto-fill)
1022   ;; This is somewhat questionable, as `text-mode-hook'
1023   ;; might have changed outside customize.
1024   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1025   (customize-mark-as-set 'text-mode-hook))
1026
1027 (define-key menu-bar-options-menu [auto-fill-mode]
1028   '(menu-item "Word Wrap in Text Modes"
1029               menu-bar-text-mode-auto-fill
1030               :help "Automatically fill text between left and right margins (Auto Fill)"
1031               :button (:toggle . (if (listp text-mode-hook)
1032                                      (member 'turn-on-auto-fill text-mode-hook)
1033                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1034 (define-key menu-bar-options-menu [truncate-lines]
1035   '(menu-item "Truncate Long Lines in this Buffer"
1036               toggle-truncate-lines
1037               :help "Truncate long lines on the screen"
1038               :button (:toggle . truncate-lines)))
1039
1040 (define-key menu-bar-options-menu [highlight-separator]
1041   '("--"))
1042 (define-key menu-bar-options-menu [highlight-paren-mode]
1043   (menu-bar-make-mm-toggle show-paren-mode
1044                            "Paren Match Highlighting"
1045                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1046 (define-key menu-bar-options-menu [transient-mark-mode]
1047   (menu-bar-make-mm-toggle transient-mark-mode
1048                            "Active Region Highlighting"
1049                            "Make text in active region stand out in color (Transient Mark mode)"
1050                            (:enable (not cua-mode))))
1051 (define-key menu-bar-options-menu [toggle-global-lazy-font-lock-mode]
1052   (menu-bar-make-mm-toggle global-font-lock-mode
1053                            "Syntax Highlighting"
1054                            "Colorize text based on language syntax (Global Font Lock mode)"))
1055
1056 \f
1057 ;; The "Tools" menu items
1058
1059 (defun send-mail-item-name ()
1060   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1061                                      (mh-e-user-agent . "MH")
1062                                      (message-user-agent . "Gnus Message")
1063                                      (gnus-user-agent . "Gnus")))
1064          (name (assq mail-user-agent known-send-mail-commands)))
1065     (if name
1066         (setq name (cdr name))
1067       (setq name (symbol-name mail-user-agent))
1068       (if (string-match "\\(.+\\)-user-agent" name)
1069           (setq name (match-string 1 name))))
1070     name))
1071
1072 (defun read-mail-item-name ()
1073   (let* ((known-rmail-commands '((rmail . "RMAIL")
1074                                  (mh-rmail . "MH")
1075                                  (gnus . "Gnus")))
1076          (known (assq read-mail-command known-rmail-commands)))
1077     (if known (cdr known) (symbol-name read-mail-command))))
1078
1079 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1080
1081 (define-key menu-bar-tools-menu [games]
1082   (list 'menu-item "Games" menu-bar-games-menu))
1083
1084 (define-key menu-bar-tools-menu [separator-games]
1085   '("--"))
1086
1087 (define-key menu-bar-games-menu [zone]
1088   '(menu-item "Zone Out"  zone
1089               :help "Play tricks with Emacs display when Emacs is idle"))
1090 (define-key menu-bar-games-menu [yow]
1091   '(menu-item "Random Quotation"  yow
1092               :help "Display a random Zippy quotation"))
1093 (define-key menu-bar-games-menu [tetris]
1094   '(menu-item "Tetris"  tetris))
1095 (define-key menu-bar-games-menu [solitaire]
1096   '(menu-item "Solitaire"  solitaire))
1097 (define-key menu-bar-games-menu [snake]
1098   '(menu-item "Snake"  snake
1099               :help "Move snake around avoiding collisions"))
1100 (define-key menu-bar-games-menu [mult]
1101   '(menu-item "Multiplication Puzzle"  mpuz
1102               :help "Excercise brain with multiplication"))
1103 (define-key menu-bar-games-menu [life]
1104   '(menu-item "Life"  life
1105               :help "Watch how John Conway's cellular automaton evolves"))
1106 (define-key menu-bar-games-menu [hanoi]
1107   '(menu-item "Towers of Hanoi" hanoi
1108               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1109 (define-key menu-bar-games-menu [gomoku]
1110   '(menu-item "Gomoku"  gomoku
1111               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1112 (define-key menu-bar-games-menu [black-box]
1113   '(menu-item "Blackbox"  blackbox
1114               :help "Find balls in a black box by shooting rays"))
1115 (define-key menu-bar-games-menu [adventure]
1116   '(menu-item "Adventure"  dunnet
1117               :help "Dunnet, a text Adventure game for Emacs"))
1118 (define-key menu-bar-games-menu [5x5]
1119   '(menu-item "5x5" 5x5
1120               :help "Fill in all the squares on a 5x5 board"))
1121
1122 (define-key menu-bar-tools-menu [simple-calculator]
1123   '(menu-item "Simple Calculator" calculator
1124               :help "Invoke the Emacs built-in quick calculator"))
1125 (define-key menu-bar-tools-menu [calc]
1126   '(menu-item "Programmable Calculator" calc
1127               :help "Invoke the Emacs built-in full scientific calculator"))
1128 (define-key menu-bar-tools-menu [calendar]
1129   '(menu-item "Display Calendar" calendar))
1130
1131 (define-key menu-bar-tools-menu [separator-net]
1132   '("--"))
1133
1134 (define-key menu-bar-tools-menu [directory-search]
1135   '(menu-item "Directory Search" eudc-tools-menu
1136               :help "Query directory servers via LDAP, CCSO PH/QI or BBDB"))
1137 (define-key menu-bar-tools-menu [compose-mail]
1138   (list
1139    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1140    'compose-mail
1141    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1142    :help "Send a mail message"))
1143 (define-key menu-bar-tools-menu [rmail]
1144   (list
1145    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1146    'menu-bar-read-mail
1147    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1148    :help "Read your mail and reply to it"))
1149
1150 (defun menu-bar-read-mail ()
1151   "Read mail using `read-mail-command'."
1152   (interactive)
1153   (call-interactively read-mail-command))
1154
1155 (define-key menu-bar-tools-menu [gnus]
1156   '(menu-item "Read Net News (Gnus)" gnus
1157               :help "Read network news groups"))
1158
1159 (define-key menu-bar-tools-menu [separator-vc]
1160   '("--"))
1161
1162 (defvar vc-menu-map (make-sparse-keymap "Version Control"))
1163 (define-key menu-bar-tools-menu [pcl-cvs]
1164   '(menu-item "PCL-CVS" cvs-global-menu
1165     :help "Module-level interface to CVS"))
1166 (define-key menu-bar-tools-menu [vc]
1167   (list 'menu-item "Version Control" vc-menu-map
1168         :help "Interface to RCS, CVS, SCCS"))
1169
1170 (define-key menu-bar-tools-menu [separator-compare]
1171   '("--"))
1172
1173 (define-key menu-bar-tools-menu [ediff-misc]
1174   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu
1175               :help "Ediff manual, customization, sessions, etc."))
1176 (define-key menu-bar-tools-menu [epatch]
1177   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1178 (define-key menu-bar-tools-menu [ediff-merge]
1179   '(menu-item "Merge" menu-bar-ediff-merge-menu
1180               :help "Merge different revisions of files/directories"))
1181 (define-key menu-bar-tools-menu [compare]
1182   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu
1183               :help "Display differences between files/directories"))
1184
1185
1186 (define-key menu-bar-tools-menu [separator-spell]
1187   '("--"))
1188
1189 (define-key menu-bar-tools-menu [spell]
1190   '(menu-item "Spell Checking" ispell-menu-map))
1191
1192 (define-key menu-bar-tools-menu [separator-prog]
1193   '("--"))
1194
1195 (define-key menu-bar-tools-menu [gdb]
1196   '(menu-item "Debugger (GDB)..." gdb
1197               :help "Debug a program from within Emacs with GDB"))
1198 (define-key menu-bar-tools-menu [shell-on-region]
1199   '(menu-item "Shell Command on Region..." shell-command-on-region
1200               :enable mark-active
1201               :help "Pass marked region to a shell command"))
1202 (define-key menu-bar-tools-menu [shell]
1203   '(menu-item "Shell Command..." shell-command
1204               :help "Invoke a shell command and catch its output"))
1205 (define-key menu-bar-tools-menu [compile]
1206   '(menu-item "Compile..." compile
1207               :help "Invoke compiler or Make, view compilation errors"))
1208 (define-key menu-bar-tools-menu [grep]
1209   '(menu-item "Search Files (with grep)..." grep
1210               :help "Search files for strings or regexps (with grep)"))
1211
1212 \f
1213 ;; The "Help" menu items
1214
1215 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1216
1217 (define-key menu-bar-describe-menu [mule-diag]
1218   '(menu-item "Show All of Mule Status" mule-diag
1219               :visible default-enable-multibyte-characters
1220               :help "Display multilingual environment settings"))
1221 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1222   '(menu-item "Describe Coding System (Briefly)..."
1223               describe-current-coding-system-briefly
1224               :visible default-enable-multibyte-characters))
1225 (define-key menu-bar-describe-menu [describe-coding-system]
1226   '(menu-item "Describe Coding System..." describe-coding-system
1227               :visible default-enable-multibyte-characters))
1228 (define-key menu-bar-describe-menu [describe-input-method]
1229   '(menu-item "Describe Input Method..." describe-input-method
1230               :visible default-enable-multibyte-characters
1231               :help "Keyboard layout for specific input method"))
1232 (define-key menu-bar-describe-menu [describe-language-environment]
1233   (list 'menu-item "Describe Language Environment"
1234         describe-language-environment-map
1235         :help "Show multilingual settings for a specific language"))
1236
1237 (define-key menu-bar-describe-menu [separator-desc-mule]
1238   '("--"))
1239
1240 (define-key menu-bar-describe-menu [list-keybindings]
1241   '(menu-item "List Key Bindings" describe-bindings
1242               :help "Display a list of all current keybindings"))
1243 (define-key menu-bar-describe-menu [describe-current-display-table]
1244   '(menu-item "Describe Display Table" describe-current-display-table
1245               :help "Describe the current display table"))
1246 (define-key menu-bar-describe-menu [describe-face]
1247   '(menu-item "Describe Face..." describe-face
1248               :help "Display the properties of a face"))
1249 (define-key menu-bar-describe-menu [describe-variable]
1250   '(menu-item "Describe Variable..." describe-variable
1251               :help "Display documentation of variable/option"))
1252 (define-key menu-bar-describe-menu [describe-function]
1253   '(menu-item "Describe Function..." describe-function
1254               :help "Display documentation of function/command"))
1255 (define-key menu-bar-describe-menu [describe-key-1]
1256   '(menu-item "Describe Key..." describe-key
1257               ;; Users typically don't identify keys and menu items...
1258               :help "Display documentation of command bound to a \
1259 key (or menu-item)"))
1260 (define-key menu-bar-describe-menu [describe-key]
1261   '(menu-item "What's This? " describe-key
1262               ;; Users typically don't identify keys and menu items...
1263               :help "Display documentation of command bound to a \
1264 key (or menu-item)"))
1265 (define-key menu-bar-describe-menu [describe-mode]
1266   '(menu-item "Describe Buffer Modes" describe-mode
1267               :help "Describe this buffer's major and minor mode"))
1268
1269 (defvar menu-bar-apropos-menu (make-sparse-keymap "Apropos"))
1270 (defun menu-bar-read-lispref ()
1271   "Display the Emacs Lisp Reference manual in Info mode."
1272   (interactive)
1273   (info "elisp"))
1274
1275 (defun menu-bar-read-lispintro ()
1276   "Display the Introduction to Emacs Lisp Programming in Info mode."
1277   (interactive)
1278   (info "eintr"))
1279
1280 (defun search-emacs-glossary ()
1281   "Display the Glossary node of the Emacs manual in Info mode."
1282   (interactive)
1283   (info "(emacs)Glossary"))
1284
1285 (defun emacs-index-search (topic)
1286   "Look up TOPIC in the indices of the Emacs User Manual."
1287   (interactive "sSubject to look up: ")
1288   (info "emacs")
1289   (Info-index topic))
1290
1291 (defun elisp-index-search (topic)
1292   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1293   (interactive "sSubject to look up: ")
1294   (info "elisp")
1295   (Info-index topic))
1296
1297 (define-key menu-bar-apropos-menu [apropos-documentation]
1298   '(menu-item "Search Documentation Strings..." apropos-documentation
1299               :help
1300               "Find functions and variables whose doc strings match a regexp"))
1301 (define-key menu-bar-apropos-menu [apropos]
1302   '(menu-item "Find Any Object by Name..."  apropos
1303               :help "Find symbols of any kind whose names match a regexp"))
1304 (define-key menu-bar-apropos-menu [apropos-value]
1305   '(menu-item "Find Options by Value..." apropos-value
1306               :help "Find variables whose values match a regexp"))
1307 (define-key menu-bar-apropos-menu [apropos-variables]
1308   '(menu-item "Find Options by Name..." apropos-variable
1309               :help "Find variables whose names match a regexp"))
1310 (define-key menu-bar-apropos-menu [apropos-commands]
1311   '(menu-item "Find Commands by Name..." apropos-command
1312               :help "Find commands whose names match a regexp"))
1313 (define-key menu-bar-apropos-menu [sep1]
1314   '("--"))
1315 (define-key menu-bar-apropos-menu [elisp-index-search]
1316   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1317               :help "Find description of a subject in Emacs Lisp manual"))
1318 (define-key menu-bar-apropos-menu [emacs-index-search]
1319   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1320               :help "Find description of a subject in Emacs User manual"))
1321 (define-key menu-bar-apropos-menu [emacs-glossary]
1322   '(menu-item "Emacs Terminology" search-emacs-glossary
1323               :help "Display the Glossary section of the Emacs manual"))
1324
1325 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1326
1327 (define-key menu-bar-manuals-menu [man]
1328   '(menu-item "Read Man Page..." manual-entry
1329               :help "Man-page docs for external commands and libraries"))
1330 (define-key menu-bar-manuals-menu [sep2]
1331   '("--"))
1332 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1333   '(menu-item "Ordering Manuals" view-order-manuals
1334               :help "How to order manuals from the Free Software Foundation"))
1335 (define-key menu-bar-manuals-menu [info]
1336   '(menu-item "All Other Manuals (Info)" Info-directory
1337               :help "Read any of the installed manuals"))
1338 (define-key menu-bar-manuals-menu [info-elisp]
1339   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1340               :help "Read the Emacs Lisp Reference manual"))
1341 (define-key menu-bar-manuals-menu [info-elintro]
1342   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1343               :help "Read the Introduction to Emacs Lisp Programming"))
1344 (define-key menu-bar-manuals-menu [sep3]
1345   '("--"))
1346 (define-key menu-bar-manuals-menu [command]
1347   '(menu-item "Find Command in Manual..." Info-goto-emacs-command-node
1348               :help "Display manual section that describes a command"))
1349 (define-key menu-bar-manuals-menu [key]
1350   '(menu-item "Find Key in Manual..." Info-goto-emacs-key-command-node
1351               :help "Display manual section that describes a key"))
1352
1353 (define-key menu-bar-help-menu [eliza]
1354   '(menu-item "Emacs Psychiatrist" doctor
1355               :help "Our doctor will help you feel better"))
1356 (define-key menu-bar-help-menu [sep4]
1357   '("--"))
1358 (define-key menu-bar-help-menu [describe-no-warranty]
1359   '(menu-item "(Non)Warranty" describe-no-warranty
1360               :help "Explain that Emacs has NO WARRANTY"))
1361 (define-key menu-bar-help-menu [describe-copying]
1362   '(menu-item "Copying Conditions" describe-copying
1363               :help "Show the Emacs license (GPL)"))
1364 (define-key menu-bar-help-menu [describe-distribution]
1365   '(menu-item "Getting New Versions" describe-distribution
1366               :help "How to get latest versions of Emacs"))
1367 (define-key menu-bar-help-menu [more]
1368   '(menu-item "Find Extra Packages"
1369               menu-bar-help-extra-packages
1370               :help "Where to find some extra packages and possible updates"))
1371 (defun menu-bar-help-extra-packages ()
1372   "Display help about some additional packages available for Emacs."
1373   (interactive)
1374   (let (enable-local-variables)
1375     (view-file (expand-file-name "MORE.STUFF"
1376                                  data-directory))
1377     (goto-address)))
1378 (define-key menu-bar-help-menu [about]
1379   '(menu-item "About Emacs" display-splash-screen
1380               :help "Display version number, copyright info, and basic help"))
1381 (define-key menu-bar-help-menu [sep2]
1382   '("--"))
1383 (define-key menu-bar-help-menu [finder-by-keyword]
1384   '(menu-item "Find Emacs Packages" finder-by-keyword
1385               :help "Find packages and features by keyword"))
1386 (define-key menu-bar-help-menu [manuals]
1387   (list 'menu-item "More Manuals" menu-bar-manuals-menu
1388         :help "Search and browse on-line manuals"))
1389 (define-key menu-bar-help-menu [emacs-manual]
1390   '(menu-item "Read the Emacs Manual" info-emacs-manual
1391               :help "Full documentation of Emacs features"))
1392 (define-key menu-bar-help-menu [describe]
1393   (list 'menu-item "Describe" menu-bar-describe-menu
1394         :help "Describe commands, variables, keys"))
1395 (define-key menu-bar-help-menu [apropos]
1396   (list 'menu-item "Search Documentation" menu-bar-apropos-menu
1397         :help "Look up terms, find commands, options, etc. (Apropos)"))
1398 (define-key menu-bar-help-menu [sep1]
1399   '("--"))
1400 (define-key menu-bar-help-menu [report-emacs-bug]
1401   '(menu-item "Send Bug Report..." report-emacs-bug
1402               :help "Send e-mail to Emacs maintainers"))
1403 (define-key menu-bar-help-menu [emacs-problems]
1404   '(menu-item "Emacs Known Problems" view-emacs-problems))
1405 (define-key menu-bar-help-menu [emacs-news]
1406   '(menu-item "Emacs News" view-emacs-news
1407               :help "New features of this version"))
1408 (define-key menu-bar-help-menu [emacs-faq]
1409   '(menu-item "Emacs FAQ" view-emacs-FAQ))
1410
1411 (defun help-with-tutorial-spec-language ()
1412   "Use the Emacs tutorial, specifying which language you want."
1413   (interactive)
1414   (help-with-tutorial t))
1415
1416 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1417   '(menu-item "Emacs Tutorial (choose language)..."
1418               help-with-tutorial-spec-language
1419               :help "Learn how to use Emacs (choose a language)"))
1420 (define-key menu-bar-help-menu [emacs-tutorial]
1421   '(menu-item "Emacs Tutorial" help-with-tutorial
1422               :help "Learn how to use Emacs"))
1423
1424 (defun kill-this-buffer ()      ; for the menubar
1425   "Kill the current buffer."
1426   (interactive)
1427   (kill-buffer (current-buffer)))
1428
1429 (defun kill-this-buffer-enabled-p ()
1430   (let ((count 0)
1431         (buffers (buffer-list)))
1432     (while buffers
1433       (or (string-match "^ " (buffer-name (car buffers)))
1434           (setq count (1+ count)))
1435       (setq buffers (cdr buffers)))
1436     (and (not (window-minibuffer-p (frame-selected-window menu-updating-frame)))
1437          (> count 1))))
1438
1439 (put 'dired 'menu-enable
1440      '(not (window-minibuffer-p (frame-selected-window menu-updating-frame))))
1441
1442 ;; Permit deleting frame if it would leave a visible or iconified frame.
1443 (defun delete-frame-enabled-p ()
1444   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1445   (let ((frames (frame-list))
1446         (count 0))
1447     (while frames
1448       (if (frame-visible-p (car frames))
1449           (setq count (1+ count)))
1450       (setq frames (cdr frames)))
1451     (> count 1)))
1452
1453 (defcustom yank-menu-length 20
1454   "*Maximum length to display in the yank-menu."
1455   :type 'integer
1456   :group 'mouse)
1457
1458 (defun menu-bar-update-yank-menu (string old)
1459   (let ((front (car (cdr yank-menu)))
1460         (menu-string (if (<= (length string) yank-menu-length)
1461                          string
1462                        (concat
1463                         (substring string 0 (/ yank-menu-length 2))
1464                         "..."
1465                         (substring string (- (/ yank-menu-length 2)))))))
1466     ;; Don't let the menu string be all dashes
1467     ;; because that has a special meaning in a menu.
1468     (if (string-match "\\`-+\\'" menu-string)
1469         (setq menu-string (concat menu-string " ")))
1470     ;; If we're supposed to be extending an existing string, and that
1471     ;; string really is at the front of the menu, then update it in place.
1472     (if (and old (or (eq old (car front))
1473                      (string= old (car front))))
1474         (progn
1475           (setcar front string)
1476           (setcar (cdr front) menu-string))
1477       (setcdr yank-menu
1478               (cons
1479                (cons string (cons menu-string 'menu-bar-select-yank))
1480                (cdr yank-menu)))))
1481   (if (> (length (cdr yank-menu)) kill-ring-max)
1482       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1483
1484 (put 'menu-bar-select-yank 'apropos-inhibit t)
1485 (defun menu-bar-select-yank ()
1486   (interactive "*")
1487   (push-mark (point))
1488   (insert last-command-event))
1489
1490 \f
1491 (defcustom buffers-menu-show-directories 'unless-uniquify
1492   "If non-nil, show directories in the Buffers menu for buffers that have them.
1493 The special value `unless-uniquify' means that directories will be shown
1494 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1495 names should include enough of a buffer's directory to distinguish it
1496 from other buffers).
1497
1498 Setting this variable directly does not take effect until next time the
1499 Buffers menu is regenerated."
1500   :set (lambda (symbol value)
1501          (set symbol value)
1502          (menu-bar-update-buffers t))
1503   :initialize 'custom-initialize-default
1504   :type '(choice (const :tag "Never" nil)
1505                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1506                  (const :tag "Always" t))
1507   :group 'menu)
1508
1509 (defcustom buffers-menu-show-status t
1510   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1511 Setting this variable directly does not take effect until next time the
1512 Buffers menu is regenerated."
1513   :set (lambda (symbol value)
1514          (set symbol value)
1515          (menu-bar-update-buffers t))
1516   :initialize 'custom-initialize-default
1517   :type 'boolean
1518   :group 'menu)
1519
1520 (defvar list-buffers-directory nil)
1521
1522 (defvar menu-bar-update-buffers-maxbuf)
1523
1524 (defun menu-bar-select-buffer ()
1525   (interactive)
1526   (switch-to-buffer last-command-event))
1527
1528 (defun menu-bar-select-frame ()
1529   (interactive)
1530   (let (frame)
1531     (dolist (f (frame-list))
1532       (when (equal last-command-event (frame-parameter f 'name))
1533         (setq frame f)))
1534     ;; FRAME can be nil when user specifies the selected frame.
1535     (setq frame (or frame (selected-frame)))
1536     (make-frame-visible frame)
1537     (raise-frame frame)
1538     (select-frame frame)))
1539
1540 (defun menu-bar-update-buffers-1 (elt)
1541   (let* ((buf (car elt))
1542          (file
1543           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1544                    (or (not (boundp 'uniquify-buffer-name-style))
1545                        (null uniquify-buffer-name-style))
1546                  buffers-menu-show-directories)
1547                (or (buffer-file-name buf)
1548                    (buffer-local-value 'list-buffers-directory buf)))))
1549     (when file
1550       (setq file (file-name-directory file)))
1551     (when (and file (> (length file) 20))
1552       (setq file (concat "..." (substring file -17))))
1553     (cons (if buffers-menu-show-status
1554               (let ((mod (if (buffer-modified-p buf) "*" ""))
1555                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1556                 (if file
1557                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1558                   (format "%s  %s%s" (cdr elt) mod ro)))
1559             (if file
1560                 (format "%s  --  %s"  (cdr elt) file)
1561               (cdr elt)))
1562           buf)))
1563
1564 ;; Used to cache the menu entries for commands in the Buffers menu
1565 (defvar menu-bar-buffers-menu-command-entries nil)
1566
1567 (defun menu-bar-update-buffers (&optional force)
1568   ;; If user discards the Buffers item, play along.
1569   (and (lookup-key (current-global-map) [menu-bar buffer])
1570        (or force (frame-or-buffer-changed-p))
1571        (let ((buffers (buffer-list))
1572              (frames (frame-list))
1573              buffers-menu frames-menu)
1574          ;; If requested, list only the N most recently selected buffers.
1575          (if (and (integerp buffers-menu-max-size)
1576                   (> buffers-menu-max-size 1))
1577              (if (> (length buffers) buffers-menu-max-size)
1578                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1579
1580          ;; Make the menu of buffers proper.
1581          (setq buffers-menu
1582                (let* ((buffer-list
1583                        (mapcar 'list buffers))
1584                       (menu-bar-update-buffers-maxbuf 0)
1585                       alist)
1586                  ;; Put into each element of buffer-list
1587                  ;; the name for actual display,
1588                  ;; perhaps truncated in the middle.
1589                  (dolist (buf buffer-list)
1590                    (let ((name (buffer-name (car buf))))
1591                      (setcdr buf
1592                              (if (> (length name) 27)
1593                                  (concat (substring name 0 12)
1594                                          "..."
1595                                          (substring name -12))
1596                                name))))
1597                  ;; Compute the maximum length of any name.
1598                  (dolist (buf buffer-list)
1599                    (unless (eq ?\  (aref (cdr buf) 0))
1600                      (setq menu-bar-update-buffers-maxbuf
1601                            (max menu-bar-update-buffers-maxbuf
1602                                 (length (cdr buf))))))
1603                  ;; Set ALIST to an alist of the form
1604                  ;; ITEM-STRING . BUFFER
1605                  (dolist (buf buffer-list)
1606                    (unless (eq ?\  (aref (cdr buf) 0))
1607                      (push (menu-bar-update-buffers-1 buf) alist)))
1608                  ;; Now make the actual list of items, and add
1609                  ;; some miscellaneous buffer commands to the end.
1610                  (mapcar (lambda (pair)
1611                            ;; This is somewhat risque, to use
1612                            ;; the buffer name itself as the event
1613                            ;; type to define, but it works.
1614                            ;; It would not work to use the buffer
1615                            ;; since a buffer as an event has its
1616                            ;; own meaning.
1617                            (nconc (list (buffer-name (cdr pair))
1618                                         (car pair)
1619                                         (cons nil nil))
1620                                   'menu-bar-select-buffer))
1621                          (nreverse alist))))
1622
1623          ;; Make a Frames menu if we have more than one frame.
1624          (when (cdr frames)
1625            (let ((frames-menu
1626                   (cons 'keymap
1627                         (cons "Select Frame"
1628                               (mapcar
1629                                (lambda (frame)
1630                                  (nconc
1631                                   (list (frame-parameter frame 'name)
1632                                         (frame-parameter frame 'name)
1633                                         (cons nil nil))
1634                                   'menu-bar-select-frame))
1635                                frames)))))
1636              ;; Put it after the normal buffers
1637              (setq buffers-menu
1638                    (nconc buffers-menu
1639                           `((frames-separator "--")
1640                             (frames menu-item "Frames" ,frames-menu))))))
1641
1642          ;; Add in some normal commands at the end of the menu.  We use
1643          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1644          ;; if it's been set already.  Note that we can't use constant
1645          ;; lists for the menu-entries, because the low-level menu-code
1646          ;; modifies them.
1647          (unless menu-bar-buffers-menu-command-entries
1648            (setq menu-bar-buffers-menu-command-entries
1649                  (list '(command-separator "--")
1650                        (list 'next-buffer
1651                              'menu-item
1652                              "Next Buffer"
1653                              'next-buffer
1654                              :help "Switch to the \"next\" buffer in a cyclic order")
1655                        (list 'prev-buffer
1656                              'menu-item
1657                              "Previous Buffer"
1658                              'prev-buffer
1659                              :help "Switch to the \"previous\" buffer in a cyclic order")
1660                        (list 'select-named-buffer
1661                              'menu-item
1662                              "Select Named Buffer..."
1663                              'switch-to-buffer
1664                              :help "Prompt for a buffer name, and select that buffer in the current window")
1665                        (list 'list-all-buffers
1666                              'menu-item
1667                              "List All Buffers"
1668                              'list-buffers
1669                              :help "Pop up a window listing all emacs buffers"
1670                              ))))
1671          (setq buffers-menu
1672                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1673
1674          (setq buffers-menu (cons 'keymap (cons "Select Buffer" buffers-menu)))
1675          (define-key (current-global-map) [menu-bar buffer]
1676            ;; Call copy-sequence so the string is not pure.
1677            (cons (copy-sequence "Buffers") buffers-menu)))))
1678
1679 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1680
1681 (menu-bar-update-buffers)
1682
1683 ;; this version is too slow
1684 ;;(defun format-buffers-menu-line (buffer)
1685 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1686 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1687 ;;  (if (string-match "\\` " (buffer-name buffer))
1688 ;;      nil
1689 ;;    (save-excursion
1690 ;;     (set-buffer buffer)
1691 ;;     (let ((size (buffer-size)))
1692 ;;       (format "%s%s %-19s %6s %-15s %s"
1693 ;;             (if (buffer-modified-p) "*" " ")
1694 ;;             (if buffer-read-only "%" " ")
1695 ;;             (buffer-name)
1696 ;;             size
1697 ;;             mode-name
1698 ;;             (or (buffer-file-name) ""))))))
1699 \f
1700 ;;; Set up a menu bar menu for the minibuffer.
1701
1702 (dolist (map (list minibuffer-local-map
1703                    ;; This shouldn't be necessary, but there's a funny
1704                    ;; bug in keymap.c that I don't understand yet.  -stef
1705                    minibuffer-local-completion-map))
1706   (define-key map [menu-bar minibuf]
1707     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1708
1709 (let ((map minibuffer-local-completion-map))
1710   (define-key map [menu-bar minibuf ?\?]
1711     (list 'menu-item "List Completions" 'minibuffer-completion-help
1712           :help "Display all possible completions"))
1713   (define-key map [menu-bar minibuf space]
1714     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1715           :help "Complete at most one word"))
1716   (define-key map [menu-bar minibuf tab]
1717     (list 'menu-item "Complete" 'minibuffer-complete
1718           :help "Complete as far as possible")))
1719
1720 (let ((map minibuffer-local-map))
1721   (define-key map [menu-bar minibuf quit]
1722     (list 'menu-item "Quit" 'keyboard-escape-quit
1723           :help "Abort input and exit minibuffer"))
1724   (define-key map [menu-bar minibuf return]
1725     (list 'menu-item "Enter" 'exit-minibuffer
1726           :help "Terminate input and exit minibuffer")))
1727 \f
1728 ;;;###autoload
1729 ;; This comment is taken from toolbar/tool-bar.el near
1730 ;; (put 'tool-bar-mode ...)
1731 ;; We want to pretend the menu bar by standard is on, as this will make
1732 ;; customize consider disabling the menu bar a customization, and save
1733 ;; that.  We could do this for real by setting :init-value below, but
1734 ;; that would overwrite disabling the tool bar from X resources.
1735 (put 'menu-bar-mode 'standard-value '(t))
1736
1737 ;;;###autoload
1738 (define-minor-mode menu-bar-mode
1739   "Toggle display of a menu bar on each frame.
1740 This command applies to all frames that exist and frames to be
1741 created in the future.
1742 With a numeric argument, if the argument is positive,
1743 turn on menu bars; otherwise, turn off menu bars."
1744   :init-value nil
1745   :global t
1746   :group 'frames
1747   ;; Make menu-bar-mode and default-frame-alist consistent.
1748   (let ((lines (if menu-bar-mode 1 0)))
1749     ;; Alter existing frames...
1750     (mapc (lambda (frame)
1751             (modify-frame-parameters frame
1752                                      (list (cons 'menu-bar-lines lines))))
1753           (frame-list))
1754     ;; ...and future ones.
1755     (let ((elt (assq 'menu-bar-lines default-frame-alist)))
1756       (if elt
1757           (setcdr elt lines)
1758         (add-to-list 'default-frame-alist (cons 'menu-bar-lines lines)))))
1759
1760   ;; Make the message appear when Emacs is idle.  We can not call message
1761   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1762   ;; after this function returns, overwriting any message we do here.
1763   (when (and (interactive-p) (not menu-bar-mode))
1764     (run-with-idle-timer 0 nil 'message
1765                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1766   menu-bar-mode)
1767
1768 (provide 'menu-bar)
1769
1770 ;;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1771 ;;; menu-bar.el ends here