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 cua-mode show-paren-mode
 643                    transient-mark-mode global-font-lock-mode
 644                    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 [linecolumn-separator]
 696   '("--"))
 697
 698 (define-key menu-bar-showhide-menu [showhide-date-time]
 699   (menu-bar-make-mm-toggle display-time-mode
 700                            "Date, Time and Mail"
 701                            "Display date, time, mail status in mode line"))
 702
 703 (define-key menu-bar-showhide-menu [datetime-separator]
 704   '("--"))
 705
 706 (define-key menu-bar-showhide-menu [showhide-speedbar]
 707   '(menu-item "Speedbar" speedbar-frame-mode
 708               :help "Display a Speedbar quick-navigation frame"
 709               :button (:toggle
 710                        . (and (boundp 'speedbar-frame)
 711                               (frame-live-p (symbol-value 'speedbar-frame))
 712                               (frame-visible-p
 713                                (symbol-value 'speedbar-frame))))))
 714
 715
 716 (defvar menu-bar-showhide-fringe-ind-menu (make-sparse-keymap "Indicators"))
 717
 718 ;; The real definition is in fringe.el.
 719 ;; This is to prevent errors in the :radio conditions below.
 720 (setq fringe-indicators nil)
 721
 722 (defun menu-bar-showhide-fringe-ind-empty ()
 723   "Display empty line indicators in the left or right fringe."
 724   (interactive)
 725   (require 'fringe)
 726   (customize-set-variable 'fringe-indicators 'empty))
 727
 728 (define-key menu-bar-showhide-fringe-ind-menu [empty]
 729   '(menu-item "Empty lines only" menu-bar-showhide-fringe-ind-empty
 730               :help "Show empty line indicators in fringe"
 731               :visible (display-graphic-p)
 732               :button (:radio . (eq fringe-indicators 'empty))))
 733
 734 (defun menu-bar-showhide-fringe-ind-mixed ()
 735   "Display top and bottom indicators in opposite fringes, arrow in right."
 736   (interactive)
 737   (require 'fringe)
 738   (customize-set-variable 'fringe-indicators 'mixed))
 739
 740 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 741   '(menu-item "Opposite, arrows right" menu-bar-showhide-fringe-ind-mixed
 742               :help "Show top/bottom indicators in opposite fringes, arrows in right"
 743               :visible (display-graphic-p)
 744               :button (:radio . (eq fringe-indicators 'mixed))))
 745
 746 (defun menu-bar-showhide-fringe-ind-box ()
 747   "Display top and bottom indicators in opposite fringes."
 748   (interactive)
 749   (require 'fringe)
 750   (customize-set-variable 'fringe-indicators 'box))
 751
 752 (define-key menu-bar-showhide-fringe-ind-menu [box]
 753   '(menu-item "Opposite, no arrows" menu-bar-showhide-fringe-ind-box
 754               :help "Show top/bottom indicators in opposite fringes, no arrows"
 755               :visible (display-graphic-p)
 756               :button (:radio . (eq fringe-indicators 'box))))
 757
 758 (defun menu-bar-showhide-fringe-ind-right ()
 759   "Display fringe indicators in the right fringe."
 760   (interactive)
 761   (require 'fringe)
 762   (customize-set-variable 'fringe-indicators 'right))
 763
 764 (define-key menu-bar-showhide-fringe-ind-menu [right]
 765   '(menu-item "In right fringe" menu-bar-showhide-fringe-ind-right
 766               :help "Show indicators in right fringe"
 767               :visible (display-graphic-p)
 768               :button (:radio . (eq fringe-indicators 'right))))
 769
 770 (defun menu-bar-showhide-fringe-ind-left ()
 771   "Display fringe indicators in the left fringe."
 772   (interactive)
 773   (require 'fringe)
 774   (customize-set-variable 'fringe-indicators 'left))
 775
 776 (define-key menu-bar-showhide-fringe-ind-menu [left]
 777   '(menu-item "In left fringe" menu-bar-showhide-fringe-ind-left
 778               :help "Show indicators in left fringe"
 779               :visible (display-graphic-p)
 780               :button (:radio . (eq fringe-indicators 'left))))
 781
 782 (defun menu-bar-showhide-fringe-ind-none ()
 783   "Do not display any fringe indicators."
 784   (interactive)
 785   (require 'fringe)
 786   (customize-set-variable 'fringe-indicators nil))
 787
 788 (define-key menu-bar-showhide-fringe-ind-menu [none]
 789   '(menu-item "No indicators" menu-bar-showhide-fringe-ind-none
 790               :help "Hide all fringe indicators"
 791               :visible (display-graphic-p)
 792               :button (:radio . (eq fringe-indicators nil))))
 793
 794
 795
 796 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 797
 798 (defun menu-bar-showhide-fringe-menu-customize ()
 799   "Show customization buffer for `fringe-mode'."
 800   (interactive)
 801   (customize-variable 'fringe-mode))
 802
 803 (define-key menu-bar-showhide-fringe-menu [customize]
 804   '(menu-item "Customize" menu-bar-showhide-fringe-menu-customize
 805               :help "Detailed customization of fringe"
 806               :visible (display-graphic-p)))
 807
 808 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 809   "Reset the fringe mode: display fringes on both sides of a window."
 810   (interactive)
 811   (customize-set-variable 'fringe-mode nil))
 812
 813 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 814   (list 'menu-item "Indicators" menu-bar-showhide-fringe-ind-menu
 815         :visible `(display-graphic-p)
 816         :help "Select fringe mode"))
 817
 818 ;; The real definition is in fringe.el.
 819 ;; This is to prevent errors in the :radio conditions below.
 820 (setq fringe-mode nil)
 821
 822 (define-key menu-bar-showhide-fringe-menu [default]
 823   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 824               :help "Default width fringe on both left and right side"
 825               :visible (display-graphic-p)
 826               :button (:radio . (eq fringe-mode nil))))
 827
 828 (defun menu-bar-showhide-fringe-menu-customize-left ()
 829   "Display fringes only on the left of each window."
 830   (interactive)
 831   (require 'fringe)
 832   (customize-set-variable 'fringe-mode '(nil . 0)))
 833
 834 (define-key menu-bar-showhide-fringe-menu [left]
 835   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 836               :help "Fringe only on the left side"
 837               :visible (display-graphic-p)
 838               :button (:radio . (equal fringe-mode '(nil . 0)))))
 839
 840 (defun menu-bar-showhide-fringe-menu-customize-right ()
 841   "Display fringes only on the right of each window."
 842   (interactive)
 843   (require 'fringe)
 844   (customize-set-variable 'fringe-mode '(0 . nil)))
 845
 846 (define-key menu-bar-showhide-fringe-menu [right]
 847   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 848               :help "Fringe only on the right side"
 849               :visible (display-graphic-p)
 850               :button (:radio . (equal fringe-mode '(0 . nil)))))
 851
 852 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 853   "Do not display window fringes."
 854   (interactive)
 855   (require 'fringe)
 856   (customize-set-variable 'fringe-mode 0))
 857
 858 (define-key menu-bar-showhide-fringe-menu [none]
 859   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 860               :help "Turn off fringe"
 861               :visible (display-graphic-p)
 862               :button (:radio . (eq fringe-mode 0))))
 863
 864 (define-key menu-bar-showhide-menu [showhide-fringe]
 865   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 866         :visible `(display-graphic-p)
 867         :help "Select fringe mode"))
 868
 869 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 870
 871 (define-key menu-bar-showhide-scroll-bar-menu [right]
 872   '(menu-item "On the Right"
 873               menu-bar-right-scroll-bar
 874               :help "Scroll-bar on the right side"
 875               :visible (display-graphic-p)
 876               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 877                                                (frame-parameters))) 'right))))
 878 (defun menu-bar-right-scroll-bar ()
 879   "Display scroll bars on the right of each window."
 880   (interactive)
 881   (customize-set-variable 'scroll-bar-mode 'right))
 882
 883 (define-key menu-bar-showhide-scroll-bar-menu [left]
 884   '(menu-item "On the Left"
 885               menu-bar-left-scroll-bar
 886               :help "Scroll-bar on the left side"
 887               :visible (display-graphic-p)
 888               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 889                                                (frame-parameters))) 'left))))
 890
 891 (defun menu-bar-left-scroll-bar ()
 892   "Display scroll bars on the left of each window."
 893   (interactive)
 894   (customize-set-variable 'scroll-bar-mode 'left))
 895
 896 (define-key menu-bar-showhide-scroll-bar-menu [none]
 897   '(menu-item "None"
 898               menu-bar-no-scroll-bar
 899               :help "Turn off scroll-bar"
 900               :visible (display-graphic-p)
 901               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 902                                                (frame-parameters))) nil))))
 903
 904 (defun menu-bar-no-scroll-bar ()
 905   "Turn off scroll bars."
 906   (interactive)
 907   (customize-set-variable 'scroll-bar-mode nil))
 908
 909 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 910   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 911         :visible `(display-graphic-p)
 912         :help "Select scroll-bar mode"))
 913
 914 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 915   (list 'menu-item "Tooltips" 'tooltip-mode
 916         :help "Toggle tooltips on/off"
 917         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 918         :button `(:toggle . tooltip-mode)))
 919
 920 (define-key menu-bar-showhide-menu [menu-bar-mode]
 921   '(menu-item "Menu-bar" menu-bar-mode
 922               :help "Toggle menu-bar on/off"
 923               :button (:toggle . menu-bar-mode)))
 924
 925 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 926   (list 'menu-item "Tool-bar" 'tool-bar-mode
 927         :help "Turn tool-bar on/off"
 928         :visible `(display-graphic-p)
 929         :button `(:toggle . tool-bar-mode)))
 930
 931 (define-key menu-bar-options-menu [showhide]
 932   (list 'menu-item "Show/Hide" menu-bar-showhide-menu
 933         :help "Toggle on/off various display features"))
 934
 935 (define-key menu-bar-options-menu [showhide-separator]
 936   '("--"))
 937
 938 (define-key menu-bar-options-menu [mule]
 939   ;; It is better not to use backquote here,
 940   ;; because that makes a bootstrapping problem
 941   ;; if you need to recompile all the Lisp files using interpreted code.
 942   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 943 ;; Most of the MULE menu actually does make sense in unibyte mode,
 944 ;; e.g. language selection.
 945 ;;;     ':visible 'default-enable-multibyte-characters
 946         ':help "Default language, encodings, input method"))
 947 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 948 ;(define-key menu-bar-options-menu [preferences]
 949 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 950 ;       :help "Toggle important global options"))
 951
 952 (define-key menu-bar-options-menu [mule-separator]
 953   '("--"))
 954
 955 (define-key menu-bar-options-menu [debug-on-quit]
 956   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 957                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 958                         "Enter Lisp debugger when C-g is pressed"))
 959 (define-key menu-bar-options-menu [debug-on-error]
 960   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 961                         "Enter Debugger on Error" "Debug on Error %s"
 962                         "Enter Lisp debugger when an error is signaled"))
 963 (define-key menu-bar-options-menu [debugger-separator]
 964   '("--"))
 965
 966 (define-key menu-bar-options-menu [blink-cursor-mode]
 967   (menu-bar-make-mm-toggle blink-cursor-mode
 968                            "Blinking Cursor"
 969                            "Whether the cursor blinks (Blink Cursor mode)"))
 970 (define-key menu-bar-options-menu [cursor-separator]
 971   '("--"))
 972
 973 (define-key menu-bar-options-menu [toggle-auto-compression]
 974   '(menu-item "Automatic File De/compression"
 975               auto-compression-mode
 976               :help "Transparently decompress compressed files"
 977               :button (:toggle . (rassq 'jka-compr-handler
 978                                         file-name-handler-alist))))
 979
 980 (define-key menu-bar-options-menu [save-place]
 981   (menu-bar-make-toggle toggle-save-place-globally save-place
 982                         "Save Place in Files between Sessions"
 983                         "Saving place in files %s"
 984                         "Visit files of previous session when restarting Emacs"
 985                         (require 'saveplace)
 986                         ;; Do it by name, to avoid a free-variable
 987                         ;; warning during byte compilation.
 988                         (set-default
 989                          'save-place (not (symbol-value 'save-place)))))
 990
 991 (define-key menu-bar-options-menu [uniquify]
 992   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
 993                         "Use Directory Names in Buffer Names"
 994                         "Directory name in buffer names (uniquify) %s"
 995                         "Uniquify buffer names by adding parent directory names"
 996                         (require 'uniquify)
 997                         (setq uniquify-buffer-name-style
 998                               (if (not uniquify-buffer-name-style)
 999                                   'forward))))
1000
1001 (define-key menu-bar-options-menu [edit-options-separator]
1002   '("--"))
1003 (define-key menu-bar-options-menu [cua-mode]
1004   (menu-bar-make-mm-toggle cua-mode
1005                            "C-x/C-c/C-v cut and paste (CUA)"
1006                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"))
1007
1008 (define-key menu-bar-options-menu [case-fold-search]
1009   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1010                         "Case-Insensitive Search"
1011                         "Case-Insensitive Search %s"
1012                         "Ignore letter-case in search"))
1013
1014 (defun menu-bar-text-mode-auto-fill ()
1015   (interactive)
1016   (toggle-text-mode-auto-fill)
1017   ;; This is somewhat questionable, as `text-mode-hook'
1018   ;; might have changed outside customize.
1019   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1020   (customize-mark-as-set 'text-mode-hook))
1021
1022 (define-key menu-bar-options-menu [auto-fill-mode]
1023   '(menu-item "Word Wrap in Text Modes"
1024               menu-bar-text-mode-auto-fill
1025               :help "Automatically fill text between left and right margins (Auto Fill)"
1026               :button (:toggle . (if (listp text-mode-hook)
1027                                      (member 'turn-on-auto-fill text-mode-hook)
1028                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1029 (define-key menu-bar-options-menu [truncate-lines]
1030   '(menu-item "Truncate Long Lines in this Buffer"
1031               toggle-truncate-lines
1032               :help "Truncate long lines on the screen"
1033               :button (:toggle . truncate-lines)))
1034
1035 (define-key menu-bar-options-menu [highlight-separator]
1036   '("--"))
1037 (define-key menu-bar-options-menu [highlight-paren-mode]
1038   (menu-bar-make-mm-toggle show-paren-mode
1039                            "Paren Match Highlighting"
1040                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1041 (define-key menu-bar-options-menu [transient-mark-mode]
1042   (menu-bar-make-mm-toggle transient-mark-mode
1043                            "Active Region Highlighting"
1044                            "Make text in active region stand out in color (Transient Mark mode)"
1045                            (:enable (not cua-mode))))
1046 (define-key menu-bar-options-menu [toggle-global-lazy-font-lock-mode]
1047   (menu-bar-make-mm-toggle global-font-lock-mode
1048                            "Syntax Highlighting"
1049                            "Colorize text based on language syntax (Global Font Lock mode)"))
1050
1051 \f
1052 ;; The "Tools" menu items
1053
1054 (defun send-mail-item-name ()
1055   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1056                                      (mh-e-user-agent . "MH")
1057                                      (message-user-agent . "Gnus Message")
1058                                      (gnus-user-agent . "Gnus")))
1059          (name (assq mail-user-agent known-send-mail-commands)))
1060     (if name
1061         (setq name (cdr name))
1062       (setq name (symbol-name mail-user-agent))
1063       (if (string-match "\\(.+\\)-user-agent" name)
1064           (setq name (match-string 1 name))))
1065     name))
1066
1067 (defun read-mail-item-name ()
1068   (let* ((known-rmail-commands '((rmail . "RMAIL")
1069                                  (mh-rmail . "MH")
1070                                  (gnus . "Gnus")))
1071          (known (assq read-mail-command known-rmail-commands)))
1072     (if known (cdr known) (symbol-name read-mail-command))))
1073
1074 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1075
1076 (define-key menu-bar-tools-menu [games]
1077   (list 'menu-item "Games" menu-bar-games-menu))
1078
1079 (define-key menu-bar-tools-menu [separator-games]
1080   '("--"))
1081
1082 (define-key menu-bar-games-menu [zone]
1083   '(menu-item "Zone Out"  zone
1084               :help "Play tricks with Emacs display when Emacs is idle"))
1085 (define-key menu-bar-games-menu [yow]
1086   '(menu-item "Random Quotation"  yow
1087               :help "Display a random Zippy quotation"))
1088 (define-key menu-bar-games-menu [tetris]
1089   '(menu-item "Tetris"  tetris))
1090 (define-key menu-bar-games-menu [solitaire]
1091   '(menu-item "Solitaire"  solitaire))
1092 (define-key menu-bar-games-menu [snake]
1093   '(menu-item "Snake"  snake
1094               :help "Move snake around avoiding collisions"))
1095 (define-key menu-bar-games-menu [mult]
1096   '(menu-item "Multiplication Puzzle"  mpuz
1097               :help "Excercise brain with multiplication"))
1098 (define-key menu-bar-games-menu [life]
1099   '(menu-item "Life"  life
1100               :help "Watch how John Conway's cellular automaton evolves"))
1101 (define-key menu-bar-games-menu [hanoi]
1102   '(menu-item "Towers of Hanoi" hanoi
1103               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1104 (define-key menu-bar-games-menu [gomoku]
1105   '(menu-item "Gomoku"  gomoku
1106               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1107 (define-key menu-bar-games-menu [black-box]
1108   '(menu-item "Blackbox"  blackbox
1109               :help "Find balls in a black box by shooting rays"))
1110 (define-key menu-bar-games-menu [adventure]
1111   '(menu-item "Adventure"  dunnet
1112               :help "Dunnet, a text Adventure game for Emacs"))
1113 (define-key menu-bar-games-menu [5x5]
1114   '(menu-item "5x5" 5x5
1115               :help "Fill in all the squares on a 5x5 board"))
1116
1117 (define-key menu-bar-tools-menu [simple-calculator]
1118   '(menu-item "Simple Calculator" calculator
1119               :help "Invoke the Emacs built-in quick calculator"))
1120 (define-key menu-bar-tools-menu [calc]
1121   '(menu-item "Programmable Calculator" calc
1122               :help "Invoke the Emacs built-in full scientific calculator"))
1123 (define-key menu-bar-tools-menu [calendar]
1124   '(menu-item "Display Calendar" calendar))
1125
1126 (define-key menu-bar-tools-menu [separator-net]
1127   '("--"))
1128
1129 (define-key menu-bar-tools-menu [directory-search]
1130   '(menu-item "Directory Search" eudc-tools-menu
1131               :help "Query directory servers via LDAP, CCSO PH/QI or BBDB"))
1132 (define-key menu-bar-tools-menu [compose-mail]
1133   (list
1134    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1135    'compose-mail
1136    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1137    :help "Send a mail message"))
1138 (define-key menu-bar-tools-menu [rmail]
1139   (list
1140    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1141    'menu-bar-read-mail
1142    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1143    :help "Read your mail and reply to it"))
1144
1145 (defun menu-bar-read-mail ()
1146   "Read mail using `read-mail-command'."
1147   (interactive)
1148   (call-interactively read-mail-command))
1149
1150 (define-key menu-bar-tools-menu [gnus]
1151   '(menu-item "Read Net News (Gnus)" gnus
1152               :help "Read network news groups"))
1153
1154 (define-key menu-bar-tools-menu [separator-vc]
1155   '("--"))
1156
1157 (defvar vc-menu-map (make-sparse-keymap "Version Control"))
1158 (define-key menu-bar-tools-menu [pcl-cvs]
1159   '(menu-item "PCL-CVS" cvs-global-menu
1160     :help "Module-level interface to CVS"))
1161 (define-key menu-bar-tools-menu [vc]
1162   (list 'menu-item "Version Control" vc-menu-map
1163         :help "Interface to RCS, CVS, SCCS"))
1164
1165 (define-key menu-bar-tools-menu [separator-compare]
1166   '("--"))
1167
1168 (define-key menu-bar-tools-menu [ediff-misc]
1169   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu
1170               :help "Ediff manual, customization, sessions, etc."))
1171 (define-key menu-bar-tools-menu [epatch]
1172   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1173 (define-key menu-bar-tools-menu [ediff-merge]
1174   '(menu-item "Merge" menu-bar-ediff-merge-menu
1175               :help "Merge different revisions of files/directories"))
1176 (define-key menu-bar-tools-menu [compare]
1177   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu
1178               :help "Display differences between files/directories"))
1179
1180
1181 (define-key menu-bar-tools-menu [separator-spell]
1182   '("--"))
1183
1184 (define-key menu-bar-tools-menu [spell]
1185   '(menu-item "Spell Checking" ispell-menu-map))
1186
1187 (define-key menu-bar-tools-menu [separator-prog]
1188   '("--"))
1189
1190 (define-key menu-bar-tools-menu [gdb]
1191   '(menu-item "Debugger (GDB)..." gdb
1192               :help "Debug a program from within Emacs with GDB"))
1193 (define-key menu-bar-tools-menu [shell-on-region]
1194   '(menu-item "Shell Command on Region..." shell-command-on-region
1195               :enable mark-active
1196               :help "Pass marked region to a shell command"))
1197 (define-key menu-bar-tools-menu [shell]
1198   '(menu-item "Shell Command..." shell-command
1199               :help "Invoke a shell command and catch its output"))
1200 (define-key menu-bar-tools-menu [compile]
1201   '(menu-item "Compile..." compile
1202               :help "Invoke compiler or Make, view compilation errors"))
1203 (define-key menu-bar-tools-menu [grep]
1204   '(menu-item "Search Files (with grep)..." grep
1205               :help "Search files for strings or regexps (with grep)"))
1206
1207 \f
1208 ;; The "Help" menu items
1209
1210 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1211
1212 (define-key menu-bar-describe-menu [mule-diag]
1213   '(menu-item "Show All of Mule Status" mule-diag
1214               :visible default-enable-multibyte-characters
1215               :help "Display multilingual environment settings"))
1216 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1217   '(menu-item "Describe Coding System (Briefly)..."
1218               describe-current-coding-system-briefly
1219               :visible default-enable-multibyte-characters))
1220 (define-key menu-bar-describe-menu [describe-coding-system]
1221   '(menu-item "Describe Coding System..." describe-coding-system
1222               :visible default-enable-multibyte-characters))
1223 (define-key menu-bar-describe-menu [describe-input-method]
1224   '(menu-item "Describe Input Method..." describe-input-method
1225               :visible default-enable-multibyte-characters
1226               :help "Keyboard layout for specific input method"))
1227 (define-key menu-bar-describe-menu [describe-language-environment]
1228   (list 'menu-item "Describe Language Environment"
1229         describe-language-environment-map
1230         :help "Show multilingual settings for a specific language"))
1231
1232 (define-key menu-bar-describe-menu [separator-desc-mule]
1233   '("--"))
1234
1235 (define-key menu-bar-describe-menu [list-keybindings]
1236   '(menu-item "List Key Bindings" describe-bindings
1237               :help "Display a list of all current keybindings"))
1238 (define-key menu-bar-describe-menu [describe-current-display-table]
1239   '(menu-item "Describe Display Table" describe-current-display-table
1240               :help "Describe the current display table"))
1241 (define-key menu-bar-describe-menu [describe-face]
1242   '(menu-item "Describe Face..." describe-face
1243               :help "Display the properties of a face"))
1244 (define-key menu-bar-describe-menu [describe-variable]
1245   '(menu-item "Describe Variable..." describe-variable
1246               :help "Display documentation of variable/option"))
1247 (define-key menu-bar-describe-menu [describe-function]
1248   '(menu-item "Describe Function..." describe-function
1249               :help "Display documentation of function/command"))
1250 (define-key menu-bar-describe-menu [describe-key-1]
1251   '(menu-item "Describe Key..." describe-key
1252               ;; Users typically don't identify keys and menu items...
1253               :help "Display documentation of command bound to a \
1254 key (or menu-item)"))
1255 (define-key menu-bar-describe-menu [describe-key]
1256   '(menu-item "What's This? " 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-mode]
1261   '(menu-item "Describe Buffer Modes" describe-mode
1262               :help "Describe this buffer's major and minor mode"))
1263
1264 (defvar menu-bar-apropos-menu (make-sparse-keymap "Apropos"))
1265 (defun menu-bar-read-lispref ()
1266   "Display the Emacs Lisp Reference manual in Info mode."
1267   (interactive)
1268   (info "elisp"))
1269
1270 (defun menu-bar-read-lispintro ()
1271   "Display the Introduction to Emacs Lisp Programming in Info mode."
1272   (interactive)
1273   (info "eintr"))
1274
1275 (defun search-emacs-glossary ()
1276   "Display the Glossary node of the Emacs manual in Info mode."
1277   (interactive)
1278   (info "(emacs)Glossary"))
1279
1280 (defun emacs-index-search (topic)
1281   "Look up TOPIC in the indices of the Emacs User Manual."
1282   (interactive "sSubject to look up: ")
1283   (info "emacs")
1284   (Info-index topic))
1285
1286 (defun elisp-index-search (topic)
1287   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1288   (interactive "sSubject to look up: ")
1289   (info "elisp")
1290   (Info-index topic))
1291
1292 (define-key menu-bar-apropos-menu [apropos-documentation]
1293   '(menu-item "Search Documentation Strings..." apropos-documentation
1294               :help
1295               "Find functions and variables whose doc strings match a regexp"))
1296 (define-key menu-bar-apropos-menu [apropos]
1297   '(menu-item "Find Any Object by Name..."  apropos
1298               :help "Find symbols of any kind whose names match a regexp"))
1299 (define-key menu-bar-apropos-menu [apropos-value]
1300   '(menu-item "Find Options by Value..." apropos-value
1301               :help "Find variables whose values match a regexp"))
1302 (define-key menu-bar-apropos-menu [apropos-variables]
1303   '(menu-item "Find Options by Name..." apropos-variable
1304               :help "Find variables whose names match a regexp"))
1305 (define-key menu-bar-apropos-menu [apropos-commands]
1306   '(menu-item "Find Commands by Name..." apropos-command
1307               :help "Find commands whose names match a regexp"))
1308 (define-key menu-bar-apropos-menu [sep1]
1309   '("--"))
1310 (define-key menu-bar-apropos-menu [elisp-index-search]
1311   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1312               :help "Find description of a subject in Emacs Lisp manual"))
1313 (define-key menu-bar-apropos-menu [emacs-index-search]
1314   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1315               :help "Find description of a subject in Emacs User manual"))
1316 (define-key menu-bar-apropos-menu [emacs-glossary]
1317   '(menu-item "Emacs Terminology" search-emacs-glossary
1318               :help "Display the Glossary section of the Emacs manual"))
1319
1320 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1321
1322 (define-key menu-bar-manuals-menu [man]
1323   '(menu-item "Read Man Page..." manual-entry
1324               :help "Man-page docs for external commands and libraries"))
1325 (define-key menu-bar-manuals-menu [sep2]
1326   '("--"))
1327 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1328   '(menu-item "Ordering Manuals" view-order-manuals
1329               :help "How to order manuals from the Free Software Foundation"))
1330 (define-key menu-bar-manuals-menu [info]
1331   '(menu-item "All Other Manuals (Info)" Info-directory
1332               :help "Read any of the installed manuals"))
1333 (define-key menu-bar-manuals-menu [info-elisp]
1334   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1335               :help "Read the Emacs Lisp Reference manual"))
1336 (define-key menu-bar-manuals-menu [info-elintro]
1337   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1338               :help "Read the Introduction to Emacs Lisp Programming"))
1339 (define-key menu-bar-manuals-menu [sep3]
1340   '("--"))
1341 (define-key menu-bar-manuals-menu [command]
1342   '(menu-item "Find Command in Manual..." Info-goto-emacs-command-node
1343               :help "Display manual section that describes a command"))
1344 (define-key menu-bar-manuals-menu [key]
1345   '(menu-item "Find Key in Manual..." Info-goto-emacs-key-command-node
1346               :help "Display manual section that describes a key"))
1347
1348 (define-key menu-bar-help-menu [eliza]
1349   '(menu-item "Emacs Psychiatrist" doctor
1350               :help "Our doctor will help you feel better"))
1351 (define-key menu-bar-help-menu [sep4]
1352   '("--"))
1353 (define-key menu-bar-help-menu [describe-no-warranty]
1354   '(menu-item "(Non)Warranty" describe-no-warranty
1355               :help "Explain that Emacs has NO WARRANTY"))
1356 (define-key menu-bar-help-menu [describe-copying]
1357   '(menu-item "Copying Conditions" describe-copying
1358               :help "Show the Emacs license (GPL)"))
1359 (define-key menu-bar-help-menu [describe-distribution]
1360   '(menu-item "Getting New Versions" describe-distribution
1361               :help "How to get latest versions of Emacs"))
1362 (define-key menu-bar-help-menu [more]
1363   '(menu-item "Find Extra Packages"
1364               menu-bar-help-extra-packages
1365               :help "Where to find some extra packages and possible updates"))
1366 (defun menu-bar-help-extra-packages ()
1367   "Display help about some additional packages available for Emacs."
1368   (interactive)
1369   (let (enable-local-variables)
1370     (view-file (expand-file-name "MORE.STUFF"
1371                                  data-directory))
1372     (goto-address)))
1373 (define-key menu-bar-help-menu [about]
1374   '(menu-item "About Emacs" display-splash-screen
1375               :help "Display version number, copyright info, and basic help"))
1376 (define-key menu-bar-help-menu [sep2]
1377   '("--"))
1378 (define-key menu-bar-help-menu [finder-by-keyword]
1379   '(menu-item "Find Emacs Packages" finder-by-keyword
1380               :help "Find packages and features by keyword"))
1381 (define-key menu-bar-help-menu [manuals]
1382   (list 'menu-item "More Manuals" menu-bar-manuals-menu
1383         :help "Search and browse on-line manuals"))
1384 (define-key menu-bar-help-menu [emacs-manual]
1385   '(menu-item "Read the Emacs Manual" info-emacs-manual
1386               :help "Full documentation of Emacs features"))
1387 (define-key menu-bar-help-menu [describe]
1388   (list 'menu-item "Describe" menu-bar-describe-menu
1389         :help "Describe commands, variables, keys"))
1390 (define-key menu-bar-help-menu [apropos]
1391   (list 'menu-item "Search Documentation" menu-bar-apropos-menu
1392         :help "Look up terms, find commands, options, etc. (Apropos)"))
1393 (define-key menu-bar-help-menu [sep1]
1394   '("--"))
1395 (define-key menu-bar-help-menu [report-emacs-bug]
1396   '(menu-item "Send Bug Report..." report-emacs-bug
1397               :help "Send e-mail to Emacs maintainers"))
1398 (define-key menu-bar-help-menu [emacs-problems]
1399   '(menu-item "Emacs Known Problems" view-emacs-problems))
1400 (define-key menu-bar-help-menu [emacs-news]
1401   '(menu-item "Emacs News" view-emacs-news
1402               :help "New features of this version"))
1403 (define-key menu-bar-help-menu [emacs-faq]
1404   '(menu-item "Emacs FAQ" view-emacs-FAQ))
1405
1406 (defun help-with-tutorial-spec-language ()
1407   "Use the Emacs tutorial, specifying which language you want."
1408   (interactive)
1409   (help-with-tutorial t))
1410
1411 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1412   '(menu-item "Emacs Tutorial (choose language)..."
1413               help-with-tutorial-spec-language
1414               :help "Learn how to use Emacs (choose a language)"))
1415 (define-key menu-bar-help-menu [emacs-tutorial]
1416   '(menu-item "Emacs Tutorial" help-with-tutorial
1417               :help "Learn how to use Emacs"))
1418
1419 (defun kill-this-buffer ()      ; for the menubar
1420   "Kill the current buffer."
1421   (interactive)
1422   (kill-buffer (current-buffer)))
1423
1424 (defun kill-this-buffer-enabled-p ()
1425   (let ((count 0)
1426         (buffers (buffer-list)))
1427     (while buffers
1428       (or (string-match "^ " (buffer-name (car buffers)))
1429           (setq count (1+ count)))
1430       (setq buffers (cdr buffers)))
1431     (and (not (window-minibuffer-p (frame-selected-window menu-updating-frame)))
1432          (> count 1))))
1433
1434 (put 'dired 'menu-enable
1435      '(not (window-minibuffer-p (frame-selected-window menu-updating-frame))))
1436
1437 ;; Permit deleting frame if it would leave a visible or iconified frame.
1438 (defun delete-frame-enabled-p ()
1439   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1440   (let ((frames (frame-list))
1441         (count 0))
1442     (while frames
1443       (if (frame-visible-p (car frames))
1444           (setq count (1+ count)))
1445       (setq frames (cdr frames)))
1446     (> count 1)))
1447
1448 (defcustom yank-menu-length 20
1449   "*Maximum length to display in the yank-menu."
1450   :type 'integer
1451   :group 'mouse)
1452
1453 (defun menu-bar-update-yank-menu (string old)
1454   (let ((front (car (cdr yank-menu)))
1455         (menu-string (if (<= (length string) yank-menu-length)
1456                          string
1457                        (concat
1458                         (substring string 0 (/ yank-menu-length 2))
1459                         "..."
1460                         (substring string (- (/ yank-menu-length 2)))))))
1461     ;; Don't let the menu string be all dashes
1462     ;; because that has a special meaning in a menu.
1463     (if (string-match "\\`-+\\'" menu-string)
1464         (setq menu-string (concat menu-string " ")))
1465     ;; If we're supposed to be extending an existing string, and that
1466     ;; string really is at the front of the menu, then update it in place.
1467     (if (and old (or (eq old (car front))
1468                      (string= old (car front))))
1469         (progn
1470           (setcar front string)
1471           (setcar (cdr front) menu-string))
1472       (setcdr yank-menu
1473               (cons
1474                (cons string (cons menu-string 'menu-bar-select-yank))
1475                (cdr yank-menu)))))
1476   (if (> (length (cdr yank-menu)) kill-ring-max)
1477       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1478
1479 (put 'menu-bar-select-yank 'apropos-inhibit t)
1480 (defun menu-bar-select-yank ()
1481   (interactive "*")
1482   (push-mark (point))
1483   (insert last-command-event))
1484
1485 \f
1486 (defcustom buffers-menu-show-directories 'unless-uniquify
1487   "If non-nil, show directories in the Buffers menu for buffers that have them.
1488 The special value `unless-uniquify' means that directories will be shown
1489 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1490 names should include enough of a buffer's directory to distinguish it
1491 from other buffers).
1492
1493 Setting this variable directly does not take effect until next time the
1494 Buffers menu is regenerated."
1495   :set (lambda (symbol value)
1496          (set symbol value)
1497          (menu-bar-update-buffers t))
1498   :initialize 'custom-initialize-default
1499   :type '(choice (const :tag "Never" nil)
1500                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1501                  (const :tag "Always" t))
1502   :group 'menu)
1503
1504 (defcustom buffers-menu-show-status t
1505   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1506 Setting this variable directly does not take effect until next time the
1507 Buffers menu is regenerated."
1508   :set (lambda (symbol value)
1509          (set symbol value)
1510          (menu-bar-update-buffers t))
1511   :initialize 'custom-initialize-default
1512   :type 'boolean
1513   :group 'menu)
1514
1515 (defvar list-buffers-directory nil)
1516
1517 (defvar menu-bar-update-buffers-maxbuf)
1518
1519 (defun menu-bar-select-buffer ()
1520   (interactive)
1521   (switch-to-buffer last-command-event))
1522
1523 (defun menu-bar-select-frame ()
1524   (interactive)
1525   (let (frame)
1526     (dolist (f (frame-list))
1527       (when (equal last-command-event (frame-parameter f 'name))
1528         (setq frame f)))
1529     ;; FRAME can be nil when user specifies the selected frame.
1530     (setq frame (or frame (selected-frame)))
1531     (make-frame-visible frame)
1532     (raise-frame frame)
1533     (select-frame frame)))
1534
1535 (defun menu-bar-update-buffers-1 (elt)
1536   (let* ((buf (car elt))
1537          (file
1538           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1539                    (or (not (boundp 'uniquify-buffer-name-style))
1540                        (null uniquify-buffer-name-style))
1541                  buffers-menu-show-directories)
1542                (or (buffer-file-name buf)
1543                    (buffer-local-value 'list-buffers-directory buf)))))
1544     (when file
1545       (setq file (file-name-directory file)))
1546     (when (and file (> (length file) 20))
1547       (setq file (concat "..." (substring file -17))))
1548     (cons (if buffers-menu-show-status
1549               (let ((mod (if (buffer-modified-p buf) "*" ""))
1550                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1551                 (if file
1552                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1553                   (format "%s  %s%s" (cdr elt) mod ro)))
1554             (if file
1555                 (format "%s  --  %s"  (cdr elt) file)
1556               (cdr elt)))
1557           buf)))
1558
1559 ;; Used to cache the menu entries for commands in the Buffers menu
1560 (defvar menu-bar-buffers-menu-command-entries nil)
1561
1562 (defun menu-bar-update-buffers (&optional force)
1563   ;; If user discards the Buffers item, play along.
1564   (and (lookup-key (current-global-map) [menu-bar buffer])
1565        (or force (frame-or-buffer-changed-p))
1566        (let ((buffers (buffer-list))
1567              (frames (frame-list))
1568              buffers-menu frames-menu)
1569          ;; If requested, list only the N most recently selected buffers.
1570          (if (and (integerp buffers-menu-max-size)
1571                   (> buffers-menu-max-size 1))
1572              (if (> (length buffers) buffers-menu-max-size)
1573                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1574
1575          ;; Make the menu of buffers proper.
1576          (setq buffers-menu
1577                (let* ((buffer-list
1578                        (mapcar 'list buffers))
1579                       (menu-bar-update-buffers-maxbuf 0)
1580                       alist)
1581                  ;; Put into each element of buffer-list
1582                  ;; the name for actual display,
1583                  ;; perhaps truncated in the middle.
1584                  (dolist (buf buffer-list)
1585                    (let ((name (buffer-name (car buf))))
1586                      (setcdr buf
1587                              (if (> (length name) 27)
1588                                  (concat (substring name 0 12)
1589                                          "..."
1590                                          (substring name -12))
1591                                name))))
1592                  ;; Compute the maximum length of any name.
1593                  (dolist (buf buffer-list)
1594                    (unless (eq ?\  (aref (cdr buf) 0))
1595                      (setq menu-bar-update-buffers-maxbuf
1596                            (max menu-bar-update-buffers-maxbuf
1597                                 (length (cdr buf))))))
1598                  ;; Set ALIST to an alist of the form
1599                  ;; ITEM-STRING . BUFFER
1600                  (dolist (buf buffer-list)
1601                    (unless (eq ?\  (aref (cdr buf) 0))
1602                      (push (menu-bar-update-buffers-1 buf) alist)))
1603                  ;; Now make the actual list of items, and add
1604                  ;; some miscellaneous buffer commands to the end.
1605                  (mapcar (lambda (pair)
1606                            ;; This is somewhat risque, to use
1607                            ;; the buffer name itself as the event
1608                            ;; type to define, but it works.
1609                            ;; It would not work to use the buffer
1610                            ;; since a buffer as an event has its
1611                            ;; own meaning.
1612                            (nconc (list (buffer-name (cdr pair))
1613                                         (car pair)
1614                                         (cons nil nil))
1615                                   'menu-bar-select-buffer))
1616                          (nreverse alist))))
1617
1618          ;; Make a Frames menu if we have more than one frame.
1619          (when (cdr frames)
1620            (let ((frames-menu
1621                   (cons 'keymap
1622                         (cons "Select Frame"
1623                               (mapcar
1624                                (lambda (frame)
1625                                  (nconc
1626                                   (list (frame-parameter frame 'name)
1627                                         (frame-parameter frame 'name)
1628                                         (cons nil nil))
1629                                   'menu-bar-select-frame))
1630                                frames)))))
1631              ;; Put it after the normal buffers
1632              (setq buffers-menu
1633                    (nconc buffers-menu
1634                           `((frames-separator "--")
1635                             (frames menu-item "Frames" ,frames-menu))))))
1636
1637          ;; Add in some normal commands at the end of the menu.  We use
1638          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1639          ;; if it's been set already.  Note that we can't use constant
1640          ;; lists for the menu-entries, because the low-level menu-code
1641          ;; modifies them.
1642          (unless menu-bar-buffers-menu-command-entries
1643            (setq menu-bar-buffers-menu-command-entries
1644                  (list '(command-separator "--")
1645                        (list 'next-buffer
1646                              'menu-item
1647                              "Next Buffer"
1648                              'next-buffer
1649                              :help "Switch to the \"next\" buffer in a cyclic order")
1650                        (list 'prev-buffer
1651                              'menu-item
1652                              "Previous Buffer"
1653                              'prev-buffer
1654                              :help "Switch to the \"previous\" buffer in a cyclic order")
1655                        (list 'select-named-buffer
1656                              'menu-item
1657                              "Select Named Buffer..."
1658                              'switch-to-buffer
1659                              :help "Prompt for a buffer name, and select that buffer in the current window")
1660                        (list 'list-all-buffers
1661                              'menu-item
1662                              "List All Buffers"
1663                              'list-buffers
1664                              :help "Pop up a window listing all emacs buffers"
1665                              ))))
1666          (setq buffers-menu
1667                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1668
1669          (setq buffers-menu (cons 'keymap (cons "Select Buffer" buffers-menu)))
1670          (define-key (current-global-map) [menu-bar buffer]
1671            ;; Call copy-sequence so the string is not pure.
1672            (cons (copy-sequence "Buffers") buffers-menu)))))
1673
1674 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1675
1676 (menu-bar-update-buffers)
1677
1678 ;; this version is too slow
1679 ;;(defun format-buffers-menu-line (buffer)
1680 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1681 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1682 ;;  (if (string-match "\\` " (buffer-name buffer))
1683 ;;      nil
1684 ;;    (save-excursion
1685 ;;     (set-buffer buffer)
1686 ;;     (let ((size (buffer-size)))
1687 ;;       (format "%s%s %-19s %6s %-15s %s"
1688 ;;             (if (buffer-modified-p) "*" " ")
1689 ;;             (if buffer-read-only "%" " ")
1690 ;;             (buffer-name)
1691 ;;             size
1692 ;;             mode-name
1693 ;;             (or (buffer-file-name) ""))))))
1694 \f
1695 ;;; Set up a menu bar menu for the minibuffer.
1696
1697 (dolist (map (list minibuffer-local-map
1698                    ;; This shouldn't be necessary, but there's a funny
1699                    ;; bug in keymap.c that I don't understand yet.  -stef
1700                    minibuffer-local-completion-map))
1701   (define-key map [menu-bar minibuf]
1702     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1703
1704 (let ((map minibuffer-local-completion-map))
1705   (define-key map [menu-bar minibuf ?\?]
1706     (list 'menu-item "List Completions" 'minibuffer-completion-help
1707           :help "Display all possible completions"))
1708   (define-key map [menu-bar minibuf space]
1709     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1710           :help "Complete at most one word"))
1711   (define-key map [menu-bar minibuf tab]
1712     (list 'menu-item "Complete" 'minibuffer-complete
1713           :help "Complete as far as possible")))
1714
1715 (let ((map minibuffer-local-map))
1716   (define-key map [menu-bar minibuf quit]
1717     (list 'menu-item "Quit" 'keyboard-escape-quit
1718           :help "Abort input and exit minibuffer"))
1719   (define-key map [menu-bar minibuf return]
1720     (list 'menu-item "Enter" 'exit-minibuffer
1721           :help "Terminate input and exit minibuffer")))
1722 \f
1723 ;;;###autoload
1724 ;; This comment is taken from toolbar/tool-bar.el near
1725 ;; (put 'tool-bar-mode ...)
1726 ;; We want to pretend the menu bar by standard is on, as this will make
1727 ;; customize consider disabling the menu bar a customization, and save
1728 ;; that.  We could do this for real by setting :init-value below, but
1729 ;; that would overwrite disabling the tool bar from X resources.
1730 (put 'menu-bar-mode 'standard-value '(t))
1731
1732 ;;;###autoload
1733 (define-minor-mode menu-bar-mode
1734   "Toggle display of a menu bar on each frame.
1735 This command applies to all frames that exist and frames to be
1736 created in the future.
1737 With a numeric argument, if the argument is positive,
1738 turn on menu bars; otherwise, turn off menu bars."
1739   :init-value nil
1740   :global t
1741   :group 'frames
1742   ;; Make menu-bar-mode and default-frame-alist consistent.
1743   (let ((lines (if menu-bar-mode 1 0)))
1744     ;; Alter existing frames...
1745     (mapc (lambda (frame)
1746             (modify-frame-parameters frame
1747                                      (list (cons 'menu-bar-lines lines))))
1748           (frame-list))
1749     ;; ...and future ones.
1750     (let ((elt (assq 'menu-bar-lines default-frame-alist)))
1751       (if elt
1752           (setcdr elt lines)
1753         (add-to-list 'default-frame-alist (cons 'menu-bar-lines lines)))))
1754
1755   ;; Make the message appear when Emacs is idle.  We can not call message
1756   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1757   ;; after this function returns, overwriting any message we do here.
1758   (when (and (interactive-p) (not menu-bar-mode))
1759     (run-with-idle-timer 0 nil 'message
1760                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1761   menu-bar-mode)
1762
1763 (provide 'menu-bar)
1764
1765 ;;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1766 ;;; menu-bar.el ends here