code.delx.au - gnu-emacs/blob - lisp/menu-bar.el

   1 ;;; menu-bar.el --- define a default menu bar
   2
   3 ;; Copyright (C) 1993,94,1995,2000,01,02,2003  Free Software Foundation, Inc.
   4
   5 ;; Author: RMS
   6 ;; Maintainer: FSF
   7 ;; Keywords: internal, mouse
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software; you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation; either version 2, or (at your option)
  14 ;; any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24 ;; Boston, MA 02111-1307, USA.
  25
  26 ;; Avishai Yacobi suggested some menu rearrangements.
  27
  28 ;;; Commentary:
  29
  30 ;;; Code:
  31
  32 ;;; User options:
  33
  34 (defcustom buffers-menu-max-size 10
  35   "*Maximum number of entries which may appear on the Buffers menu.
  36 If this is 10, then only the ten most-recently-selected buffers are shown.
  37 If this is nil, then all buffers are shown.
  38 A large number or nil slows down menu responsiveness."
  39   :type '(choice integer
  40                  (const :tag "All" nil))
  41   :group 'mouse)
  42
  43 ;; Don't clobber an existing menu-bar keymap, to preserve any menu-bar key
  44 ;; definitions made in loaddefs.el.
  45 (or (lookup-key global-map [menu-bar])
  46     (define-key global-map [menu-bar] (make-sparse-keymap "menu-bar")))
  47 (defvar menu-bar-help-menu (make-sparse-keymap "Help"))
  48
  49 ;; Force Help item to come last, after the major mode's own items.
  50 ;; The symbol used to be called `help', but that gets confused with the
  51 ;; help key.
  52 (setq menu-bar-final-items '(help-menu))
  53
  54 (define-key global-map [menu-bar help-menu] (cons "Help" menu-bar-help-menu))
  55 (defvar menu-bar-tools-menu (make-sparse-keymap "Tools"))
  56 (define-key global-map [menu-bar tools] (cons "Tools" menu-bar-tools-menu))
  57 ;; This definition is just to show what this looks like.
  58 ;; It gets overridden below when menu-bar-update-buffers is called.
  59 (define-key global-map [menu-bar buffer]
  60   (cons "Buffers" (make-sparse-keymap "Buffers")))
  61 (defvar menu-bar-options-menu (make-sparse-keymap "Options"))
  62 (define-key global-map [menu-bar options]
  63   (cons "Options" menu-bar-options-menu))
  64 (defvar menu-bar-edit-menu (make-sparse-keymap "Edit"))
  65 (define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu))
  66 (defvar menu-bar-file-menu (make-sparse-keymap "File"))
  67 (define-key global-map [menu-bar file] (cons "File" menu-bar-file-menu))
  68
  69 ;; This alias is for compatibility with 19.28 and before.
  70 (defvar menu-bar-files-menu menu-bar-file-menu)
  71
  72 ;; This is referenced by some code below; it is defined in uniquify.el
  73 (defvar uniquify-buffer-name-style)
  74
  75 \f
  76 ;; The "File" menu items
  77 (define-key menu-bar-file-menu [exit-emacs]
  78   '(menu-item "Exit Emacs" save-buffers-kill-emacs
  79               :help "Save unsaved buffers, then exit"))
  80
  81 (define-key menu-bar-file-menu [separator-exit]
  82   '("--"))
  83
  84 ;; Don't use delete-frame as event name because that is a special
  85 ;; event.
  86 (define-key menu-bar-file-menu [delete-this-frame]
  87   '(menu-item "Delete Frame" delete-frame
  88               :visible (fboundp 'delete-frame)
  89               :enable (delete-frame-enabled-p)
  90               :help "Delete currently selected frame"))
  91 (define-key menu-bar-file-menu [make-frame-on-display]
  92   '(menu-item "New Frame on Display..." make-frame-on-display
  93               :visible (fboundp 'make-frame-on-display)
  94               :help "Open a new frame on another display"))
  95 (define-key menu-bar-file-menu [make-frame]
  96   '(menu-item "New Frame" make-frame-command
  97               :visible (fboundp 'make-frame-command)
  98               :help "Open a new frame"))
  99
 100 (define-key menu-bar-file-menu [one-window]
 101   '(menu-item "Unsplit Windows" delete-other-windows
 102               :enable (not (one-window-p t nil))
 103               :help "Make selected window fill its frame"))
 104
 105 (define-key menu-bar-file-menu [split-window]
 106   '(menu-item "Split Window" split-window-vertically
 107               :help "Split selected window in two"))
 108
 109 (define-key menu-bar-file-menu [separator-window]
 110   '(menu-item "--"))
 111
 112 (define-key menu-bar-file-menu [ps-print-region]
 113   '(menu-item "Postscript Print Region (B+W)" ps-print-region
 114               :enable mark-active
 115               :help "Pretty-print marked region in black and white to PostScript printer"))
 116 (define-key menu-bar-file-menu [ps-print-buffer]
 117   '(menu-item "Postscript Print Buffer (B+W)" ps-print-buffer
 118               :help "Pretty-print current buffer in black and white to PostScript printer"))
 119 (define-key menu-bar-file-menu [ps-print-region-faces]
 120   '(menu-item "Postscript Print Region" ps-print-region-with-faces
 121               :enable mark-active
 122               :help "Pretty-print marked region to PostScript printer"))
 123 (define-key menu-bar-file-menu [ps-print-buffer-faces]
 124   '(menu-item "Postscript Print Buffer" ps-print-buffer-with-faces
 125               :help "Pretty-print current buffer to PostScript printer"))
 126 (define-key menu-bar-file-menu [print-region]
 127   '(menu-item "Print Region" print-region
 128               :enable mark-active
 129               :help "Print region between mark and current position"))
 130 (define-key menu-bar-file-menu [print-buffer]
 131   '(menu-item "Print Buffer" print-buffer
 132               :help "Print current buffer with page headings"))
 133
 134 (define-key menu-bar-file-menu [separator-print]
 135   '(menu-item "--"))
 136
 137 (define-key menu-bar-file-menu [recover-session]
 138   '(menu-item "Recover Crashed Session..." recover-session
 139               :enable (and auto-save-list-file-prefix
 140                            (file-directory-p
 141                             (file-name-directory auto-save-list-file-prefix))
 142                            (directory-files
 143                             (file-name-directory auto-save-list-file-prefix)
 144                             nil
 145                             (concat "\\`"
 146                                     (regexp-quote
 147                                      (file-name-nondirectory
 148                                       auto-save-list-file-prefix)))
 149                             t))
 150               :help "Recover edits from a crashed session"))
 151 (define-key menu-bar-file-menu [revert-buffer]
 152   '(menu-item "Revert Buffer" revert-buffer
 153               :enable (or revert-buffer-function
 154                           revert-buffer-insert-file-contents-function
 155                           (and buffer-file-number
 156                                (or (buffer-modified-p)
 157                                    (not (verify-visited-file-modtime
 158                                          (current-buffer))))))
 159               :help "Re-read current buffer from its file"))
 160 (define-key menu-bar-file-menu [write-file]
 161   '(menu-item "Save Buffer As..." write-file
 162               :enable (not (window-minibuffer-p
 163                             (frame-selected-window menu-updating-frame)))
 164               :help "Write current buffer to another file"))
 165 (define-key menu-bar-file-menu [save-buffer]
 166   '(menu-item "Save (current buffer)" save-buffer
 167               :enable (and (buffer-modified-p)
 168                            (buffer-file-name)
 169                            (not (window-minibuffer-p
 170                                  (frame-selected-window menu-updating-frame))))
 171               :help "Save current buffer to its file"))
 172
 173 (define-key menu-bar-file-menu [separator-save]
 174   '(menu-item "--"))
 175
 176 (define-key menu-bar-file-menu [kill-buffer]
 177   '(menu-item "Close (current buffer)" kill-this-buffer
 178               :enable (kill-this-buffer-enabled-p)
 179               :help "Discard current buffer"))
 180 (define-key menu-bar-file-menu [insert-file]
 181   '(menu-item "Insert File..." insert-file
 182               :enable (not (window-minibuffer-p
 183                             (frame-selected-window menu-updating-frame)))
 184               :help "Insert another file into current buffer"))
 185 (define-key menu-bar-file-menu [dired]
 186   '(menu-item "Open Directory..." dired
 187               :help "Read a directory, operate on its files"))
 188 (define-key menu-bar-file-menu [open-file]
 189   '(menu-item "Open File..." find-file-existing
 190               :enable (not (window-minibuffer-p
 191                             (frame-selected-window menu-updating-frame)))
 192               :help "Read an existing file into an Emacs buffer"))
 193 (define-key menu-bar-file-menu [new-file]
 194   '(menu-item "New File..." find-file
 195               :enable (not (window-minibuffer-p
 196                             (frame-selected-window menu-updating-frame)))
 197               :help "Read or create a file and edit it"))
 198
 199 \f
 200 ;; The "Edit" menu items
 201
 202 ;; The "Edit->Search" submenu
 203 (defvar menu-bar-last-search-type nil
 204   "Type of last non-incremental search command called from the menu.")
 205
 206 (defun nonincremental-repeat-search-forward ()
 207   "Search forward for the previous search string or regexp."
 208   (interactive)
 209   (cond
 210    ((and (eq menu-bar-last-search-type 'string)
 211          search-ring)
 212     (search-forward (car search-ring)))
 213    ((and (eq menu-bar-last-search-type 'regexp)
 214          regexp-search-ring)
 215     (re-search-forward (car regexp-search-ring)))
 216    (t
 217     (error "No previous search"))))
 218
 219 (defun nonincremental-repeat-search-backward ()
 220   "Search backward for the previous search string or regexp."
 221   (interactive)
 222   (cond
 223    ((and (eq menu-bar-last-search-type 'string)
 224          search-ring)
 225     (search-backward (car search-ring)))
 226    ((and (eq menu-bar-last-search-type 'regexp)
 227          regexp-search-ring)
 228     (re-search-backward (car regexp-search-ring)))
 229    (t
 230     (error "No previous search"))))
 231
 232 (defun nonincremental-search-forward (string)
 233   "Read a string and search for it nonincrementally."
 234   (interactive "sSearch for string: ")
 235   (setq menu-bar-last-search-type 'string)
 236   (if (equal string "")
 237       (search-forward (car search-ring))
 238     (isearch-update-ring string nil)
 239     (search-forward string)))
 240
 241 (defun nonincremental-search-backward (string)
 242   "Read a string and search backward for it nonincrementally."
 243   (interactive "sSearch for string: ")
 244   (setq menu-bar-last-search-type 'string)
 245   (if (equal string "")
 246       (search-backward (car search-ring))
 247     (isearch-update-ring string nil)
 248     (search-backward string)))
 249
 250 (defun nonincremental-re-search-forward (string)
 251   "Read a regular expression and search for it nonincrementally."
 252   (interactive "sSearch for regexp: ")
 253   (setq menu-bar-last-search-type 'regexp)
 254   (if (equal string "")
 255       (re-search-forward (car regexp-search-ring))
 256     (isearch-update-ring string t)
 257     (re-search-forward string)))
 258
 259 (defun nonincremental-re-search-backward (string)
 260   "Read a regular expression and search backward for it nonincrementally."
 261   (interactive "sSearch for regexp: ")
 262   (setq menu-bar-last-search-type 'regexp)
 263   (if (equal string "")
 264       (re-search-backward (car regexp-search-ring))
 265     (isearch-update-ring string t)
 266     (re-search-backward string)))
 267
 268 (defvar menu-bar-search-menu (make-sparse-keymap "Search"))
 269
 270 ;; The Edit->Search->Incremental Search menu
 271 (defvar menu-bar-i-search-menu
 272   (make-sparse-keymap "Incremental Search"))
 273
 274 (define-key menu-bar-i-search-menu [isearch-backward-regexp]
 275   '(menu-item "Backward Regexp..." isearch-backward-regexp
 276               :help "Search backwards for a regular expression as you type it"))
 277 (define-key menu-bar-i-search-menu [isearch-forward-regexp]
 278   '(menu-item "Forward Regexp..." isearch-forward-regexp
 279               :help "Search forward for a regular expression as you type it"))
 280 (define-key menu-bar-i-search-menu [isearch-backward]
 281   '(menu-item "Backward String..." isearch-backward
 282               :help "Search backwards for a string as you type it"))
 283 (define-key menu-bar-i-search-menu [isearch-forward]
 284   '(menu-item "Forward String..." isearch-forward
 285               :help "Search forward for a string as you type it"))
 286
 287
 288 (define-key menu-bar-search-menu [i-search]
 289   (list 'menu-item "Incremental Search" menu-bar-i-search-menu
 290               :help "Incremental Search finds partial matches while you type the search string.\nIt is most convenient from the keyboard.  Try it!"))
 291 (define-key menu-bar-search-menu [separator-tag-isearch]
 292   '(menu-item "--"))
 293
 294 (define-key menu-bar-search-menu [tags-continue]
 295   '(menu-item "Continue Tags Search" tags-loop-continue
 296               :help "Continue last tags search operation"))
 297 (define-key menu-bar-search-menu [tags-srch]
 298   '(menu-item "Search tagged files" tags-search
 299               :help "Search for a regexp in all tagged files"))
 300 (define-key menu-bar-search-menu [separator-tag-search]
 301   '(menu-item "--"))
 302
 303 (define-key menu-bar-search-menu [repeat-search-back]
 304   '(menu-item "Repeat Backwards" nonincremental-repeat-search-backward
 305               :enable (or (and (eq menu-bar-last-search-type 'string)
 306                                search-ring)
 307                           (and (eq menu-bar-last-search-type 'regexp)
 308                                regexp-search-ring))
 309               :help "Repeat last search backwards"))
 310 (define-key menu-bar-search-menu [repeat-search-fwd]
 311   '(menu-item "Repeat Forward" nonincremental-repeat-search-forward
 312               :enable (or (and (eq menu-bar-last-search-type 'string)
 313                                search-ring)
 314                           (and (eq menu-bar-last-search-type 'regexp)
 315                                regexp-search-ring))
 316               :help "Repeat last search forward"))
 317 (define-key menu-bar-search-menu [separator-repeat-search]
 318   '(menu-item "--"))
 319
 320 (define-key menu-bar-search-menu [re-search-backward]
 321   '(menu-item "Regexp Backwards..." nonincremental-re-search-backward
 322               :help "Search backwards for a regular expression"))
 323 (define-key menu-bar-search-menu [re-search-forward]
 324   '(menu-item "Regexp Forward..." nonincremental-re-search-forward
 325               :help "Search forward for a regular expression"))
 326
 327 (define-key menu-bar-search-menu [search-backward]
 328   '(menu-item "String Backwards..." nonincremental-search-backward
 329               :help "Search backwards for a string"))
 330 (define-key menu-bar-search-menu [search-forward]
 331   '(menu-item "String Forward..." nonincremental-search-forward
 332               :help "Search forward for a string"))
 333
 334 ;; The Edit->Replace submenu
 335
 336 (defvar menu-bar-replace-menu (make-sparse-keymap "Replace"))
 337
 338 (define-key menu-bar-replace-menu [tags-repl-continue]
 339   '(menu-item "Continue Replace" tags-loop-continue
 340               :help "Continue last tags replace operation"))
 341 (define-key menu-bar-replace-menu [tags-repl]
 342   '(menu-item "Replace in tagged files" tags-query-replace
 343               :help "Interactively replace a regexp in all tagged files"))
 344 (define-key menu-bar-replace-menu [separator-replace-tags]
 345   '(menu-item "--"))
 346
 347 (define-key menu-bar-replace-menu [query-replace-regexp]
 348   '(menu-item "Replace Regexp..." query-replace-regexp
 349               :enable (not buffer-read-only)
 350               :help "Replace regular expression interactively, ask about each occurrence"))
 351 (define-key menu-bar-replace-menu [query-replace]
 352   '(menu-item "Replace String..." query-replace
 353               :enable (not buffer-read-only)
 354               :help "Replace string interactively, ask about each occurrence"))
 355
 356 ;;; Assemble the top-level Edit menu items.
 357 (define-key menu-bar-edit-menu [props]
 358   '(menu-item "Text Properties" facemenu-menu
 359               :help "Change properties of text in region"))
 360
 361 (define-key menu-bar-edit-menu [fill]
 362   '(menu-item "Fill" fill-region
 363               :enable (and mark-active (not buffer-read-only))
 364               :help
 365               "Fill text in region to fit between left and right margin"))
 366
 367 (define-key menu-bar-edit-menu [separator-bookmark]
 368   '(menu-item "--"))
 369
 370 (define-key menu-bar-edit-menu [bookmark]
 371   '(menu-item "Bookmarks" menu-bar-bookmark-map
 372               :help "Record positions and jump between them"))
 373
 374 (defvar menu-bar-goto-menu (make-sparse-keymap "Go To"))
 375
 376 (define-key menu-bar-goto-menu [set-tags-name]
 377   '(menu-item "Set Tags File Name" visit-tags-table
 378               :help "Tell Tags commands which tag table file to use"))
 379
 380 (define-key menu-bar-goto-menu [separator-tag-file]
 381   '(menu-item "--"))
 382
 383 (define-key menu-bar-goto-menu [apropos-tags]
 384   '(menu-item "Tags Apropos" tags-apropos
 385               :help "Find function/variables whose names match regexp"))
 386 (define-key menu-bar-goto-menu [next-tag-otherw]
 387   '(menu-item "Next Tag in Other Window"
 388               menu-bar-next-tag-other-window
 389               :enable (and (boundp 'tags-location-ring)
 390                            (not (ring-empty-p tags-location-ring)))
 391               :help "Find next function/variable matching last tag name in another window"))
 392
 393 (defun menu-bar-next-tag-other-window ()
 394   "Find the next definition of the tag already specified."
 395   (interactive)
 396   (find-tag-other-window nil t))
 397
 398 (defun menu-bar-next-tag ()
 399   "Find the next definition of the tag already specified."
 400   (interactive)
 401   (find-tag nil t))
 402
 403 (define-key menu-bar-goto-menu [next-tag]
 404   '(menu-item "Find Next Tag"
 405               menu-bar-next-tag
 406               :enable (and (boundp 'tags-location-ring)
 407                            (not (ring-empty-p tags-location-ring)))
 408               :help "Find next function/variable matching last tag name"))
 409 (define-key menu-bar-goto-menu [find-tag-otherw]
 410   '(menu-item "Find Tag in Other Window..." find-tag-other-window
 411               :help "Find function/variable definition in another window"))
 412 (define-key menu-bar-goto-menu [find-tag]
 413   '(menu-item "Find Tag..." find-tag
 414               :help "Find definition of function or variable"))
 415
 416 (define-key menu-bar-goto-menu [separator-tags]
 417   '(menu-item "--"))
 418
 419 (define-key menu-bar-goto-menu [end-of-buf]
 420   '(menu-item "Goto End of Buffer" end-of-buffer))
 421 (define-key menu-bar-goto-menu [beg-of-buf]
 422   '(menu-item "Goto Beginning of Buffer" beginning-of-buffer))
 423 (define-key menu-bar-goto-menu [go-to-pos]
 424   '(menu-item "Goto Buffer Position..." goto-char
 425               :help "Read a number N and go to buffer position N"))
 426 (define-key menu-bar-goto-menu [go-to-line]
 427   '(menu-item "Goto Line..." goto-line
 428               :help "Read a line number and go to that line"))
 429
 430 (define-key menu-bar-edit-menu [goto]
 431   (list 'menu-item "Go To" menu-bar-goto-menu))
 432
 433 (define-key menu-bar-edit-menu [replace]
 434   (list 'menu-item "Replace" menu-bar-replace-menu))
 435
 436 (define-key menu-bar-edit-menu [search]
 437   (list 'menu-item "Search" menu-bar-search-menu))
 438
 439 (define-key menu-bar-edit-menu [separator-search]
 440   '(menu-item "--"))
 441
 442 (define-key menu-bar-edit-menu [mark-whole-buffer]
 443   '(menu-item "Select All" mark-whole-buffer
 444               :help "Mark the whole buffer for a subsequent cut/copy."))
 445 (define-key menu-bar-edit-menu [clear]
 446   '(menu-item "Clear" delete-region
 447               :enable (and mark-active
 448                            (not buffer-read-only)
 449                            (not (mouse-region-match)))
 450               :help
 451               "Delete the text in region between mark and current position"))
 452 (defvar yank-menu (cons "Select Yank" nil))
 453 (fset 'yank-menu (cons 'keymap yank-menu))
 454 (define-key menu-bar-edit-menu [select-paste]
 455   '(menu-item "Select and Paste" yank-menu
 456               :enable (and (cdr yank-menu) (not buffer-read-only))
 457               :help "Paste (yank) text cut or copied earlier"))
 458 (define-key menu-bar-edit-menu [paste]
 459   '(menu-item "Paste" yank
 460               :enable (and
 461                        ;; Emacs compiled --without-x doesn't have
 462                        ;; x-selection-exists-p.
 463                        (fboundp 'x-selection-exists-p)
 464                        (x-selection-exists-p) (not buffer-read-only))
 465               :help "Paste (yank) text most recently cut/copied"))
 466 (define-key menu-bar-edit-menu [copy]
 467   '(menu-item "Copy" menu-bar-kill-ring-save
 468               :enable mark-active
 469               :help "Copy text in region between mark and current position"
 470               :keys "\\[kill-ring-save]"))
 471 (define-key menu-bar-edit-menu [cut]
 472   '(menu-item "Cut" kill-region
 473               :enable (and mark-active (not buffer-read-only))
 474               :help
 475               "Cut (kill) text in region between mark and current position"))
 476 (define-key menu-bar-edit-menu [undo]
 477   '(menu-item "Undo" undo
 478               :enable (and (not buffer-read-only)
 479                            (not (eq t buffer-undo-list))
 480                            (if (eq last-command 'undo)
 481                                pending-undo-list
 482                              (consp buffer-undo-list)))
 483               :help "Undo last operation"))
 484
 485
 486 (defun menu-bar-kill-ring-save (beg end)
 487   (interactive "r")
 488   (if (mouse-region-match)
 489       (message "Selecting a region with the mouse does `copy' automatically")
 490     (kill-ring-save beg end)))
 491
 492 ;; These are alternative definitions for the cut, paste and copy
 493 ;; menu items.  Use them if your system expects these to use the clipboard.
 494
 495 (put 'clipboard-kill-region 'menu-enable 'mark-active)
 496 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 497 (put 'clipboard-yank 'menu-enable
 498      '(or (and (fboundp 'x-selection-exists-p) (x-selection-exists-p))
 499           (x-selection-exists-p 'CLIPBOARD)))
 500
 501 (defun clipboard-yank ()
 502   "Insert the clipboard contents, or the last stretch of killed text."
 503   (interactive)
 504   (let ((x-select-enable-clipboard t))
 505     (yank)))
 506
 507 (defun clipboard-kill-ring-save (beg end)
 508   "Copy region to kill ring, and save in the X clipboard."
 509   (interactive "r")
 510   (let ((x-select-enable-clipboard t))
 511     (kill-ring-save beg end)))
 512
 513 (defun clipboard-kill-region (beg end)
 514   "Kill the region, and save it in the X clipboard."
 515   (interactive "r")
 516   (let ((x-select-enable-clipboard t))
 517     (kill-region beg end)))
 518
 519 (defun menu-bar-enable-clipboard ()
 520   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 521 Do the same for the keys of the same name."
 522   (interactive)
 523   ;; We can't use constant list structure here because it becomes pure,
 524   ;; and because it gets modified with cache data.
 525   (define-key menu-bar-edit-menu [paste]
 526     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 527   (define-key menu-bar-edit-menu [copy]
 528     (cons "Copy" (cons "Copy text in region to the clipboard"
 529                        'clipboard-kill-ring-save)))
 530   (define-key menu-bar-edit-menu [cut]
 531     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 532                       'clipboard-kill-region)))
 533
 534   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 535   ;; (also for XFree86 on Sun keyboard):
 536   (define-key global-map [f20] 'clipboard-kill-region)
 537   (define-key global-map [f16] 'clipboard-kill-ring-save)
 538   (define-key global-map [f18] 'clipboard-yank)
 539   ;; X11R6 versions:
 540   (define-key global-map [cut] 'clipboard-kill-region)
 541   (define-key global-map [copy] 'clipboard-kill-ring-save)
 542   (define-key global-map [paste] 'clipboard-yank))
 543 \f
 544 ;; The "Options" menu items
 545
 546 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 547
 548 (define-key menu-bar-custom-menu [customize-apropos-groups]
 549   '(menu-item "Groups Matching Regexp..." customize-apropos-groups
 550               :help "Browse groups whose names match regexp"))
 551 (define-key menu-bar-custom-menu [customize-apropos-faces]
 552   '(menu-item "Faces Matching Regexp..." customize-apropos-faces
 553               :help "Browse faces whose names match regexp"))
 554 (define-key menu-bar-custom-menu [customize-apropos-options]
 555   '(menu-item "Options Matching Regexp..." customize-apropos-options
 556               :help "Browse options whose names match regexp"))
 557 (define-key menu-bar-custom-menu [customize-apropos]
 558   '(menu-item "Settings Matching Regexp..." customize-apropos
 559               :help "Browse customizable settings whose names match regexp"))
 560 (define-key menu-bar-custom-menu [separator-1]
 561   '("--"))
 562 (define-key menu-bar-custom-menu [customize-group]
 563   '(menu-item "Specific Group..." customize-group
 564               :help "Customize settings of specific group"))
 565 (define-key menu-bar-custom-menu [customize-face]
 566   '(menu-item "Specific Face..." customize-face
 567               :help "Customize attributes of specific face"))
 568 (define-key menu-bar-custom-menu [customize-option]
 569   '(menu-item "Specific Option..." customize-option
 570               :help "Customize value of specific option"))
 571 (define-key menu-bar-custom-menu [separator-2]
 572   '("--"))
 573 (define-key menu-bar-custom-menu [customize-changed-options]
 574   '(menu-item "New Options..." customize-changed-options
 575               :help "Options added or changed in recent Emacs versions"))
 576 (define-key menu-bar-custom-menu [customize-saved]
 577   '(menu-item "Saved Options" customize-saved
 578               :help "Customize previously saved options"))
 579 (define-key menu-bar-custom-menu [separator-3]
 580   '("--"))
 581 (define-key menu-bar-custom-menu [customize-browse]
 582   '(menu-item "Browse Customization Groups" customize-browse
 583               :help "Browse all customization groups"))
 584 (define-key menu-bar-custom-menu [customize]
 585   '(menu-item "Top-level Customization Group" customize
 586               :help "The master group called `Emacs'"))
 587
 588 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 589
 590 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 591   "Make a menu-item for a global minor mode toggle.
 592 FNAME is the minor mode's name (variable and function).
 593 DOC is the text to use the menu entry.
 594 HELP is the text to use for the tooltip.
 595 PROPS are additional properties."
 596   `'(menu-item ,doc ,fname
 597      ,@(if props props)
 598      :help ,help
 599      :button (:toggle . (and (default-boundp ',fname)
 600                              (default-value ',fname)))))
 601
 602 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 603   `(progn
 604      (defun ,name (&optional interactively)
 605        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 606                 (substring help 1) ".\
 607 In an interactive call, record this option as a candidate for saving
 608 by \"Save Options\" in Custom buffers.")
 609        (interactive "p")
 610        (if ,(if body `(progn . ,body)
 611               `(progn
 612                  (custom-load-symbol ',variable)
 613                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 614                        (get (or (get ',variable 'custom-get) 'default-value)))
 615                    (funcall set ',variable (not (funcall get ',variable))))))
 616            (message ,message "enabled")
 617          (message ,message "disabled"))
 618        ;; The function `customize-mark-as-set' must only be called when
 619        ;; a variable is set interactively, as the purpose is to mark it as
 620        ;; a candidate for "Save Options", and we do not want to save options
 621        ;; the user have already set explicitly in his init file.
 622        (if interactively (customize-mark-as-set ',variable)))
 623      '(menu-item ,doc ,name
 624                  :help ,help
 625                  :button (:toggle . (and (default-boundp ',variable)
 626                                          (default-value ',variable))))))
 627
 628 ;;; Assemble all the top-level items of the "Options" menu
 629 (define-key menu-bar-options-menu [customize]
 630   (list 'menu-item "Customize Emacs" menu-bar-custom-menu
 631         :help "Full customization of every Emacs feature"))
 632
 633 (defun menu-bar-options-save ()
 634   "Save current values of Options menu items using Custom."
 635   (interactive)
 636   (let ((need-save nil))
 637     ;; These are set with menu-bar-make-mm-toggle, which does not
 638     ;; put on a customized-value property.
 639     (dolist (elt '(line-number-mode column-number-mode cua-mode show-paren-mode
 640                    transient-mark-mode global-font-lock-mode))
 641       (and (customize-mark-to-save elt)
 642            (setq need-save t)))
 643     ;; These are set with `customize-set-variable'.
 644     (dolist (elt '(scroll-bar-mode
 645                    debug-on-quit debug-on-error menu-bar-mode tool-bar-mode
 646                    save-place uniquify-buffer-name-style fringe-mode
 647                    fringe-indicators case-fold-search
 648                    display-time-mode auto-compression-mode
 649                    current-language-environment default-input-method
 650                    ;; Saving `text-mode-hook' is somewhat questionable,
 651                    ;; as we might get more than we bargain for, if
 652                    ;; other code may has added hooks as well.
 653                    ;; Nonetheless, not saving it would like be confuse
 654                    ;; more often.
 655                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 656                    text-mode-hook))
 657       (and (get elt 'customized-value)
 658            (customize-mark-to-save elt)
 659            (setq need-save t)))
 660     ;; Save if we changed anything.
 661     (when need-save
 662       (custom-save-all))))
 663
 664 (define-key menu-bar-options-menu [save]
 665   '(menu-item "Save Options" menu-bar-options-save
 666               :help "Save options set from the menu above"))
 667
 668 (define-key menu-bar-options-menu [custom-separator]
 669   '("--"))
 670
 671 (define-key menu-bar-options-menu [mouse-set-font]
 672   '(menu-item "Set Font/Fontset" mouse-set-font
 673                :visible (display-multi-font-p)
 674                :help "Select a font from list of known fonts/fontsets"))
 675
 676 ;; The "Show/Hide" submenu of menu "Options"
 677
 678 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 679
 680 (define-key menu-bar-showhide-menu [column-number-mode]
 681   (menu-bar-make-mm-toggle column-number-mode
 682                            "Column Numbers"
 683                            "Show the current column number in the mode line"))
 684
 685 (define-key menu-bar-showhide-menu [line-number-mode]
 686   (menu-bar-make-mm-toggle line-number-mode
 687                            "Line Numbers"
 688                            "Show the current line number in the mode line"))
 689
 690 (define-key menu-bar-showhide-menu [linecolumn-separator]
 691   '("--"))
 692
 693 (defun showhide-date-time ()
 694   "Toggle whether to show date and time in the mode-line."
 695   (interactive)
 696   (if (display-time-mode)
 697       (message "Display-time mode enabled.")
 698     (message "Display-time mode disabled."))
 699   (customize-mark-as-set 'display-time-mode))
 700
 701 (define-key menu-bar-showhide-menu [showhide-date-time]
 702   '(menu-item "Date, Time and Mail" showhide-date-time
 703               :help "Display date, time, mail status in mode line"
 704               :button (:toggle . display-time-mode)))
 705
 706 (define-key menu-bar-showhide-menu [datetime-separator]
 707   '("--"))
 708
 709 (define-key menu-bar-showhide-menu [showhide-speedbar]
 710   '(menu-item "Speedbar" speedbar-frame-mode
 711               :help "Display a Speedbar quick-navigation frame"
 712               :button (:toggle
 713                        . (and (boundp 'speedbar-frame)
 714                               (frame-live-p (symbol-value 'speedbar-frame))
 715                               (frame-visible-p
 716                                (symbol-value 'speedbar-frame))))))
 717
 718
 719 (defvar menu-bar-showhide-fringe-ind-menu (make-sparse-keymap "Indicators"))
 720
 721 ;; The real definition is in fringe.el.
 722 ;; This is to prevent errors in the :radio conditions below.
 723 (setq fringe-indicators nil)
 724
 725 (defun menu-bar-showhide-fringe-ind-empty ()
 726   "Display empty line indicators in the left or right fringe."
 727   (interactive)
 728   (require 'fringe)
 729   (customize-set-variable 'fringe-indicators 'empty))
 730
 731 (define-key menu-bar-showhide-fringe-ind-menu [empty]
 732   '(menu-item "Empty lines only" menu-bar-showhide-fringe-ind-empty
 733               :help "Show empty line indicators in fringe"
 734               :visible (display-graphic-p)
 735               :button (:radio . (eq fringe-indicators 'empty))))
 736
 737 (defun menu-bar-showhide-fringe-ind-mixed ()
 738   "Display top and bottom indicators in opposite fringes, arrow in right."
 739   (interactive)
 740   (require 'fringe)
 741   (customize-set-variable 'fringe-indicators 'mixed))
 742
 743 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 744   '(menu-item "Opposite, arrows right" menu-bar-showhide-fringe-ind-mixed
 745               :help "Show top/bottom indicators in opposite fringes, arrows in right"
 746               :visible (display-graphic-p)
 747               :button (:radio . (eq fringe-indicators 'mixed))))
 748
 749 (defun menu-bar-showhide-fringe-ind-box ()
 750   "Display top and bottom indicators in opposite fringes."
 751   (interactive)
 752   (require 'fringe)
 753   (customize-set-variable 'fringe-indicators 'box))
 754
 755 (define-key menu-bar-showhide-fringe-ind-menu [box]
 756   '(menu-item "Opposite, no arrows" menu-bar-showhide-fringe-ind-box
 757               :help "Show top/bottom indicators in opposite fringes, no arrows"
 758               :visible (display-graphic-p)
 759               :button (:radio . (eq fringe-indicators 'box))))
 760
 761 (defun menu-bar-showhide-fringe-ind-right ()
 762   "Display fringe indicators in the right fringe."
 763   (interactive)
 764   (require 'fringe)
 765   (customize-set-variable 'fringe-indicators 'right))
 766
 767 (define-key menu-bar-showhide-fringe-ind-menu [right]
 768   '(menu-item "In right fringe" menu-bar-showhide-fringe-ind-right
 769               :help "Show indicators in right fringe"
 770               :visible (display-graphic-p)
 771               :button (:radio . (eq fringe-indicators 'right))))
 772
 773 (defun menu-bar-showhide-fringe-ind-left ()
 774   "Display fringe indicators in the left fringe."
 775   (interactive)
 776   (require 'fringe)
 777   (customize-set-variable 'fringe-indicators 'left))
 778
 779 (define-key menu-bar-showhide-fringe-ind-menu [left]
 780   '(menu-item "In left fringe" menu-bar-showhide-fringe-ind-left
 781               :help "Show indicators in left fringe"
 782               :visible (display-graphic-p)
 783               :button (:radio . (eq fringe-indicators 'left))))
 784
 785 (defun menu-bar-showhide-fringe-ind-none ()
 786   "Do not display any fringe indicators."
 787   (interactive)
 788   (require 'fringe)
 789   (customize-set-variable 'fringe-indicators nil))
 790
 791 (define-key menu-bar-showhide-fringe-ind-menu [none]
 792   '(menu-item "No indicators" menu-bar-showhide-fringe-ind-none
 793               :help "Hide all fringe indicators"
 794               :visible (display-graphic-p)
 795               :button (:radio . (eq fringe-indicators nil))))
 796
 797
 798
 799 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 800
 801 (defun menu-bar-showhide-fringe-menu-customize ()
 802   "Show customization buffer for `fringe-mode'."
 803   (interactive)
 804   (customize-variable 'fringe-mode))
 805
 806 (define-key menu-bar-showhide-fringe-menu [customize]
 807   '(menu-item "Customize" menu-bar-showhide-fringe-menu-customize
 808               :help "Detailed customization of fringe"
 809               :visible (display-graphic-p)))
 810
 811 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 812   "Reset the fringe mode: display fringes on both sides of a window."
 813   (interactive)
 814   (customize-set-variable 'fringe-mode nil))
 815
 816 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 817   (list 'menu-item "Indicators" menu-bar-showhide-fringe-ind-menu
 818         :visible `(display-graphic-p)
 819         :help "Select fringe mode"))
 820
 821 ;; The real definition is in fringe.el.
 822 ;; This is to prevent errors in the :radio conditions below.
 823 (setq fringe-mode nil)
 824
 825 (define-key menu-bar-showhide-fringe-menu [default]
 826   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 827               :help "Default width fringe on both left and right side"
 828               :visible (display-graphic-p)
 829               :button (:radio . (eq fringe-mode nil))))
 830
 831 (defun menu-bar-showhide-fringe-menu-customize-left ()
 832   "Display fringes only on the left of each window."
 833   (interactive)
 834   (require 'fringe)
 835   (customize-set-variable 'fringe-mode '(nil . 0)))
 836
 837 (define-key menu-bar-showhide-fringe-menu [left]
 838   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 839               :help "Fringe only on the left side"
 840               :visible (display-graphic-p)
 841               :button (:radio . (equal fringe-mode '(nil . 0)))))
 842
 843 (defun menu-bar-showhide-fringe-menu-customize-right ()
 844   "Display fringes only on the right of each window."
 845   (interactive)
 846   (require 'fringe)
 847   (customize-set-variable 'fringe-mode '(0 . nil)))
 848
 849 (define-key menu-bar-showhide-fringe-menu [right]
 850   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 851               :help "Fringe only on the right side"
 852               :visible (display-graphic-p)
 853               :button (:radio . (equal fringe-mode '(0 . nil)))))
 854
 855 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 856   "Do not display window fringes."
 857   (interactive)
 858   (require 'fringe)
 859   (customize-set-variable 'fringe-mode 0))
 860
 861 (define-key menu-bar-showhide-fringe-menu [none]
 862   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 863               :help "Turn off fringe"
 864               :visible (display-graphic-p)
 865               :button (:radio . (eq fringe-mode 0))))
 866
 867 (define-key menu-bar-showhide-menu [showhide-fringe]
 868   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 869         :visible `(display-graphic-p)
 870         :help "Select fringe mode"))
 871
 872 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 873
 874 (define-key menu-bar-showhide-scroll-bar-menu [right]
 875   '(menu-item "On the Right"
 876               menu-bar-right-scroll-bar
 877               :help "Scroll-bar on the right side"
 878               :visible (display-graphic-p)
 879               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 880                                                (frame-parameters))) 'right))))
 881 (defun menu-bar-right-scroll-bar ()
 882   "Display scroll bars on the right of each window."
 883   (interactive)
 884   (customize-set-variable 'scroll-bar-mode 'right))
 885
 886 (define-key menu-bar-showhide-scroll-bar-menu [left]
 887   '(menu-item "On the Left"
 888               menu-bar-left-scroll-bar
 889               :help "Scroll-bar on the left side"
 890               :visible (display-graphic-p)
 891               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 892                                                (frame-parameters))) 'left))))
 893
 894 (defun menu-bar-left-scroll-bar ()
 895   "Display scroll bars on the left of each window."
 896   (interactive)
 897   (customize-set-variable 'scroll-bar-mode 'left))
 898
 899 (define-key menu-bar-showhide-scroll-bar-menu [none]
 900   '(menu-item "None"
 901               menu-bar-no-scroll-bar
 902               :help "Turn off scroll-bar"
 903               :visible (display-graphic-p)
 904               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 905                                                (frame-parameters))) nil))))
 906
 907 (defun menu-bar-no-scroll-bar ()
 908   "Turn off scroll bars."
 909   (interactive)
 910   (customize-set-variable 'scroll-bar-mode nil))
 911
 912 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 913   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 914         :visible `(display-graphic-p)
 915         :help "Select scroll-bar mode"))
 916
 917 (define-key menu-bar-showhide-menu [menu-bar-mode]
 918   '(menu-item "Menu-bar" menu-bar-mode
 919               :help "Toggle menu-bar on/off"
 920               :button (:toggle . menu-bar-mode)))
 921
 922 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 923   (list 'menu-item "Tool-bar" 'tool-bar-mode
 924         :help "Turn tool-bar on/off"
 925         :visible `(display-graphic-p)
 926         :button `(:toggle . tool-bar-mode)))
 927
 928 (define-key menu-bar-options-menu [showhide]
 929   (list 'menu-item "Show/Hide" menu-bar-showhide-menu
 930         :help "Toggle on/off various display features"))
 931
 932 (define-key menu-bar-options-menu [showhide-separator]
 933   '("--"))
 934
 935 (define-key menu-bar-options-menu [mule]
 936   ;; It is better not to use backquote here,
 937   ;; because that makes a bootstrapping problem
 938   ;; if you need to recompile all the Lisp files using interpreted code.
 939   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 940 ;; Most of the MULE menu actually does make sense in unibyte mode,
 941 ;; e.g. language selection.
 942 ;;;     ':visible 'default-enable-multibyte-characters
 943         ':help "Default language, encodings, input method"))
 944 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 945 ;(define-key menu-bar-options-menu [preferences]
 946 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 947 ;       :help "Toggle important global options"))
 948
 949 (define-key menu-bar-options-menu [mule-separator]
 950   '("--"))
 951
 952 (define-key menu-bar-options-menu [debug-on-quit]
 953   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 954                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 955                         "Enter Lisp debugger when C-g is pressed"))
 956 (define-key menu-bar-options-menu [debug-on-error]
 957   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 958                         "Enter Debugger on Error" "Debug on Error %s"
 959                         "Enter Lisp debugger when an error is signaled"))
 960 (define-key menu-bar-options-menu [debugger-separator]
 961   '("--"))
 962 (define-key menu-bar-options-menu [toggle-auto-compression]
 963   '(menu-item "Automatic File De/compression"
 964               auto-compression-mode
 965               :help "Transparently decompress compressed files"
 966               :button (:toggle . (rassq 'jka-compr-handler
 967                                         file-name-handler-alist))))
 968
 969 (define-key menu-bar-options-menu [save-place]
 970   (menu-bar-make-toggle toggle-save-place-globally save-place
 971                         "Save Place in Files between Sessions"
 972                         "Saving place in files %s"
 973                         "Visit files of previous session when restarting Emacs"
 974                         (require 'saveplace)
 975                         ;; Do it by name, to avoid a free-variable
 976                         ;; warning during byte compilation.
 977                         (set-default
 978                          'save-place (not (symbol-value 'save-place)))))
 979
 980 (define-key menu-bar-options-menu [uniquify]
 981   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
 982                         "Use Directory Names in Buffer Names"
 983                         "Directory name in buffer names (uniquify) %s"
 984                         "Uniquify buffer names by adding parent directory names"
 985                         (require 'uniquify)
 986                         (setq uniquify-buffer-name-style
 987                               (if (not uniquify-buffer-name-style)
 988                                   'forward))))
 989
 990 (define-key menu-bar-options-menu [edit-options-separator]
 991   '("--"))
 992 (define-key menu-bar-options-menu [cua-mode]
 993   (menu-bar-make-mm-toggle cua-mode
 994                            "C-x/C-c/C-v cut and paste (CUA)"
 995                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"))
 996
 997 (define-key menu-bar-options-menu [case-fold-search]
 998   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
 999                         "Case-Insensitive Search"
1000                         "Case-Insensitive Search %s"
1001                         "Ignore letter-case in search"))
1002
1003 (defun menu-bar-text-mode-auto-fill ()
1004   (interactive)
1005   (toggle-text-mode-auto-fill)
1006   ;; This is somewhat questionable, as `text-mode-hook'
1007   ;; might have changed outside customize.
1008   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1009   (customize-mark-as-set 'text-mode-hook))
1010
1011 (define-key menu-bar-options-menu [auto-fill-mode]
1012   '(menu-item "Word Wrap in Text Modes"
1013               menu-bar-text-mode-auto-fill
1014               :help "Automatically fill text between left and right margins (Auto Fill)"
1015               :button (:toggle . (if (listp text-mode-hook)
1016                                      (member 'turn-on-auto-fill text-mode-hook)
1017                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1018 (define-key menu-bar-options-menu [truncate-lines]
1019   '(menu-item "Truncate Long Lines in this Buffer"
1020               toggle-truncate-lines
1021               :help "Truncate long lines on the screen"
1022               :button (:toggle . truncate-lines)))
1023
1024 (define-key menu-bar-options-menu [highlight-separator]
1025   '("--"))
1026 (define-key menu-bar-options-menu [highlight-paren-mode]
1027   (menu-bar-make-mm-toggle show-paren-mode
1028                            "Paren Match Highlighting"
1029                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1030 (define-key menu-bar-options-menu [transient-mark-mode]
1031   (menu-bar-make-mm-toggle transient-mark-mode
1032                            "Active Region Highlighting"
1033                            "Make text in active region stand out in color (Transient Mark mode)"
1034                            (:enable (not cua-mode))))
1035 (define-key menu-bar-options-menu [toggle-global-lazy-font-lock-mode]
1036   (menu-bar-make-mm-toggle global-font-lock-mode
1037                            "Syntax Highlighting"
1038                            "Colorize text based on language syntax (Global Font Lock mode)"))
1039
1040 \f
1041 ;; The "Tools" menu items
1042
1043 (defun send-mail-item-name ()
1044   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1045                                      (mh-e-user-agent . "MH")
1046                                      (message-user-agent . "Gnus Message")
1047                                      (gnus-user-agent . "Gnus")))
1048          (name (assq mail-user-agent known-send-mail-commands)))
1049     (if name
1050         (setq name (cdr name))
1051       (setq name (symbol-name mail-user-agent))
1052       (if (string-match "\\(.+\\)-user-agent" name)
1053           (setq name (match-string 1 name))))
1054     name))
1055
1056 (defun read-mail-item-name ()
1057   (let* ((known-rmail-commands '((rmail . "RMAIL")
1058                                  (mh-rmail . "MH")
1059                                  (gnus . "Gnus")))
1060          (known (assq read-mail-command known-rmail-commands)))
1061     (if known (cdr known) (symbol-name read-mail-command))))
1062
1063 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1064
1065 (define-key menu-bar-tools-menu [games]
1066   (list 'menu-item "Games" menu-bar-games-menu))
1067
1068 (define-key menu-bar-tools-menu [separator-games]
1069   '("--"))
1070
1071 (define-key menu-bar-games-menu [zone]
1072   '(menu-item "Zone Out"  zone
1073               :help "Play tricks with Emacs display when Emacs is idle"))
1074 (define-key menu-bar-games-menu [yow]
1075   '(menu-item "Random Quotation"  yow
1076               :help "Display a random Zippy quotation"))
1077 (define-key menu-bar-games-menu [tetris]
1078   '(menu-item "Tetris"  tetris))
1079 (define-key menu-bar-games-menu [solitaire]
1080   '(menu-item "Solitaire"  solitaire))
1081 (define-key menu-bar-games-menu [snake]
1082   '(menu-item "Snake"  snake
1083               :help "Move snake around avoiding collisions"))
1084 (define-key menu-bar-games-menu [mult]
1085   '(menu-item "Multiplication Puzzle"  mpuz
1086               :help "Excercise brain with multiplication"))
1087 (define-key menu-bar-games-menu [life]
1088   '(menu-item "Life"  life
1089               :help "Watch how John Conway's cellular automaton evolves"))
1090 (define-key menu-bar-games-menu [hanoi]
1091   '(menu-item "Towers of Hanoi" hanoi
1092               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1093 (define-key menu-bar-games-menu [gomoku]
1094   '(menu-item "Gomoku"  gomoku
1095               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1096 (define-key menu-bar-games-menu [black-box]
1097   '(menu-item "Blackbox"  blackbox
1098               :help "Find balls in a black box by shooting rays"))
1099 (define-key menu-bar-games-menu [adventure]
1100   '(menu-item "Adventure"  dunnet
1101               :help "Dunnet, a text Adventure game for Emacs"))
1102 (define-key menu-bar-games-menu [5x5]
1103   '(menu-item "5x5" 5x5
1104               :help "Fill in all the squares on a 5x5 board"))
1105
1106 (define-key menu-bar-tools-menu [simple-calculator]
1107   '(menu-item "Simple Calculator" calculator
1108               :help "Invoke the Emacs built-in quick calculator"))
1109 (define-key menu-bar-tools-menu [calc]
1110   '(menu-item "Programmable Calculator" calc
1111               :help "Invoke the Emacs built-in full scientific calculator"))
1112 (define-key menu-bar-tools-menu [calendar]
1113   '(menu-item "Display Calendar" calendar))
1114
1115 (define-key menu-bar-tools-menu [separator-net]
1116   '("--"))
1117
1118 (define-key menu-bar-tools-menu [directory-search]
1119   '(menu-item "Directory Search" eudc-tools-menu
1120               :help "Query directory servers via LDAP, CCSO PH/QI or BBDB"))
1121 (define-key menu-bar-tools-menu [compose-mail]
1122   (list
1123    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1124    'compose-mail
1125    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1126    :help "Send a mail message"))
1127 (define-key menu-bar-tools-menu [rmail]
1128   (list
1129    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1130    'menu-bar-read-mail
1131    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1132    :help "Read your mail and reply to it"))
1133
1134 (defun menu-bar-read-mail ()
1135   "Read mail using `read-mail-command'."
1136   (interactive)
1137   (call-interactively read-mail-command))
1138
1139 (define-key menu-bar-tools-menu [gnus]
1140   '(menu-item "Read Net News (Gnus)" gnus
1141               :help "Read network news groups"))
1142
1143 (define-key menu-bar-tools-menu [separator-vc]
1144   '("--"))
1145
1146 (defvar vc-menu-map (make-sparse-keymap "Version Control"))
1147 (define-key menu-bar-tools-menu [pcl-cvs]
1148   '(menu-item "PCL-CVS" cvs-global-menu
1149     :help "Module-level interface to CVS"))
1150 (define-key menu-bar-tools-menu [vc]
1151   (list 'menu-item "Version Control" vc-menu-map
1152         :help "Interface to RCS, CVS, SCCS"))
1153
1154 (define-key menu-bar-tools-menu [separator-compare]
1155   '("--"))
1156
1157 (define-key menu-bar-tools-menu [ediff-misc]
1158   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu
1159               :help "Ediff manual, customization, sessions, etc."))
1160 (define-key menu-bar-tools-menu [epatch]
1161   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1162 (define-key menu-bar-tools-menu [ediff-merge]
1163   '(menu-item "Merge" menu-bar-ediff-merge-menu
1164               :help "Merge different revisions of files/directories"))
1165 (define-key menu-bar-tools-menu [compare]
1166   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu
1167               :help "Display differences between files/directories"))
1168
1169
1170 (define-key menu-bar-tools-menu [separator-spell]
1171   '("--"))
1172
1173 (define-key menu-bar-tools-menu [spell]
1174   '(menu-item "Spell Checking" ispell-menu-map))
1175
1176 (define-key menu-bar-tools-menu [separator-prog]
1177   '("--"))
1178
1179 (define-key menu-bar-tools-menu [gdb]
1180   '(menu-item "Debugger (GDB)..." gdb
1181               :help "Debug a program from within Emacs with GDB"))
1182 (define-key menu-bar-tools-menu [shell-on-region]
1183   '(menu-item "Shell Command on Region..." shell-command-on-region
1184               :enable mark-active
1185               :help "Pass marked region to a shell command"))
1186 (define-key menu-bar-tools-menu [shell]
1187   '(menu-item "Shell Command..." shell-command
1188               :help "Invoke a shell command and catch its output"))
1189 (define-key menu-bar-tools-menu [compile]
1190   '(menu-item "Compile..." compile
1191               :help "Invoke compiler or Make, view compilation errors"))
1192 (define-key menu-bar-tools-menu [grep]
1193   '(menu-item "Search Files (with grep)..." grep
1194               :help "Search files for strings or regexps (with grep)"))
1195
1196 \f
1197 ;; The "Help" menu items
1198
1199 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1200
1201 (define-key menu-bar-describe-menu [mule-diag]
1202   '(menu-item "Show All of Mule Status" mule-diag
1203               :visible default-enable-multibyte-characters
1204               :help "Display multilingual environment settings"))
1205 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1206   '(menu-item "Describe Coding System (Briefly)..."
1207               describe-current-coding-system-briefly
1208               :visible default-enable-multibyte-characters))
1209 (define-key menu-bar-describe-menu [describe-coding-system]
1210   '(menu-item "Describe Coding System..." describe-coding-system
1211               :visible default-enable-multibyte-characters))
1212 (define-key menu-bar-describe-menu [describe-input-method]
1213   '(menu-item "Describe Input Method..." describe-input-method
1214               :visible default-enable-multibyte-characters
1215               :help "Keyboard layout for specific input method"))
1216 (define-key menu-bar-describe-menu [describe-language-environment]
1217   (list 'menu-item "Describe Language Environment"
1218         describe-language-environment-map
1219         :help "Show multilingual settings for a specific language"))
1220
1221 (define-key menu-bar-describe-menu [separator-desc-mule]
1222   '("--"))
1223
1224 (define-key menu-bar-describe-menu [list-keybindings]
1225   '(menu-item "List Key Bindings" describe-bindings
1226               :help "Display a list of all current keybindings"))
1227 (define-key menu-bar-describe-menu [describe-current-display-table]
1228   '(menu-item "Describe Display Table" describe-current-display-table
1229               :help "Describe the current display table"))
1230 (define-key menu-bar-describe-menu [describe-face]
1231   '(menu-item "Describe Face..." describe-face
1232               :help "Display the properties of a face"))
1233 (define-key menu-bar-describe-menu [describe-variable]
1234   '(menu-item "Describe Variable..." describe-variable
1235               :help "Display documentation of variable/option"))
1236 (define-key menu-bar-describe-menu [describe-function]
1237   '(menu-item "Describe Function..." describe-function
1238               :help "Display documentation of function/command"))
1239 (define-key menu-bar-describe-menu [describe-key-1]
1240   '(menu-item "Describe Key..." describe-key
1241               ;; Users typically don't identify keys and menu items...
1242               :help "Display documentation of command bound to a \
1243 key (or menu-item)"))
1244 (define-key menu-bar-describe-menu [describe-key]
1245   '(menu-item "What's This? " describe-key
1246               ;; Users typically don't identify keys and menu items...
1247               :help "Display documentation of command bound to a \
1248 key (or menu-item)"))
1249 (define-key menu-bar-describe-menu [describe-mode]
1250   '(menu-item "Describe Buffer Modes" describe-mode
1251               :help "Describe this buffer's major and minor mode"))
1252
1253 (defvar menu-bar-apropos-menu (make-sparse-keymap "Apropos"))
1254 (defun menu-bar-read-lispref ()
1255   "Display the Emacs Lisp Reference manual in Info mode."
1256   (interactive)
1257   (info "elisp"))
1258
1259 (defun menu-bar-read-lispintro ()
1260   "Display the Introduction to Emacs Lisp Programming in Info mode."
1261   (interactive)
1262   (info "eintr"))
1263
1264 (defun search-emacs-glossary ()
1265   "Display the Glossary node of the Emacs manual in Info mode."
1266   (interactive)
1267   (info "(emacs)Glossary"))
1268
1269 (defun emacs-index-search (topic)
1270   "Look up TOPIC in the indices of the Emacs User Manual."
1271   (interactive "sSubject to look up: ")
1272   (info "emacs")
1273   (Info-index topic))
1274
1275 (defun elisp-index-search (topic)
1276   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1277   (interactive "sSubject to look up: ")
1278   (info "elisp")
1279   (Info-index topic))
1280
1281 (define-key menu-bar-apropos-menu [apropos-documentation]
1282   '(menu-item "Search Documentation Strings..." apropos-documentation
1283               :help
1284               "Find functions and variables whose doc strings match a regexp"))
1285 (define-key menu-bar-apropos-menu [apropos]
1286   '(menu-item "Find Any Object by Name..."  apropos
1287               :help "Find symbols of any kind whose names match a regexp"))
1288 (define-key menu-bar-apropos-menu [apropos-value]
1289   '(menu-item "Find Options by Value..." apropos-value
1290               :help "Find variables whose values match a regexp"))
1291 (define-key menu-bar-apropos-menu [apropos-variables]
1292   '(menu-item "Find Options by Name..." apropos-variable
1293               :help "Find variables whose names match a regexp"))
1294 (define-key menu-bar-apropos-menu [apropos-commands]
1295   '(menu-item "Find Commands by Name..." apropos-command
1296               :help "Find commands whose names match a regexp"))
1297 (define-key menu-bar-apropos-menu [sep1]
1298   '("--"))
1299 (define-key menu-bar-apropos-menu [elisp-index-search]
1300   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1301               :help "Find description of a subject in Emacs Lisp manual"))
1302 (define-key menu-bar-apropos-menu [emacs-index-search]
1303   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1304               :help "Find description of a subject in Emacs User manual"))
1305 (define-key menu-bar-apropos-menu [emacs-glossary]
1306   '(menu-item "Emacs Terminology" search-emacs-glossary
1307               :help "Display the Glossary section of the Emacs manual"))
1308
1309 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1310
1311 (define-key menu-bar-manuals-menu [man]
1312   '(menu-item "Read Man Page..." manual-entry
1313               :help "Man-page docs for external commands and libraries"))
1314 (define-key menu-bar-manuals-menu [sep2]
1315   '("--"))
1316 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1317   '(menu-item "Ordering Manuals" view-order-manuals
1318               :help "How to order manuals from the Free Software Foundation"))
1319 (define-key menu-bar-manuals-menu [info]
1320   '(menu-item "All Other Manuals (Info)" Info-directory
1321               :help "Read any of the installed manuals"))
1322 (define-key menu-bar-manuals-menu [info-elisp]
1323   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1324               :help "Read the Emacs Lisp Reference manual"))
1325 (define-key menu-bar-manuals-menu [info-elintro]
1326   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1327               :help "Read the Introduction to Emacs Lisp Programming"))
1328 (define-key menu-bar-manuals-menu [sep3]
1329   '("--"))
1330 (define-key menu-bar-manuals-menu [command]
1331   '(menu-item "Find Command in Manual" Info-goto-emacs-command-node
1332               :help "Display manual section that describes a command"))
1333 (define-key menu-bar-manuals-menu [key]
1334   '(menu-item "Find Key in Manual" Info-goto-emacs-key-command-node
1335               :help "Display manual section that describes a key"))
1336
1337 (define-key menu-bar-help-menu [eliza]
1338   '(menu-item "Emacs Psychiatrist" doctor
1339               :help "Our doctor will help you feel better"))
1340 (define-key menu-bar-help-menu [sep4]
1341   '("--"))
1342 (define-key menu-bar-help-menu [describe-no-warranty]
1343   '(menu-item "(Non)Warranty" describe-no-warranty
1344               :help "Explain that Emacs has NO WARRANTY"))
1345 (define-key menu-bar-help-menu [describe-copying]
1346   '(menu-item "Copying Conditions" describe-copying
1347               :help "Show the Emacs license (GPL)"))
1348 (define-key menu-bar-help-menu [describe-distribution]
1349   '(menu-item "Getting New Versions" describe-distribution
1350               :help "How to get latest versions of Emacs"))
1351 (define-key menu-bar-help-menu [more]
1352   '(menu-item "Find Extra Packages"
1353               menu-bar-help-extra-packages
1354               :help "Where to find some extra packages and possible updates"))
1355 (defun menu-bar-help-extra-packages ()
1356   "Display help about some additional packages available for Emacs."
1357   (interactive)
1358   (let (enable-local-variables)
1359     (view-file (expand-file-name "MORE.STUFF"
1360                                  data-directory))
1361     (goto-address)))
1362 (define-key menu-bar-help-menu [about]
1363   '(menu-item "About Emacs" display-splash-screen
1364               :help "Display version number, copyright info, and basic help"))
1365 (define-key menu-bar-help-menu [sep2]
1366   '("--"))
1367 (define-key menu-bar-help-menu [finder-by-keyword]
1368   '(menu-item "Find Emacs Packages..." finder-by-keyword
1369               :help "Find packages and features by keyword"))
1370 (define-key menu-bar-help-menu [manuals]
1371   (list 'menu-item "More Manuals" menu-bar-manuals-menu
1372         :help "Search and browse on-line manuals"))
1373 (define-key menu-bar-help-menu [emacs-manual]
1374   '(menu-item "Read the Emacs Manual" info-emacs-manual
1375               :help "Full documentation of Emacs features"))
1376 (define-key menu-bar-help-menu [describe]
1377   (list 'menu-item "Describe" menu-bar-describe-menu
1378         :help "Describe commands, variables, keys"))
1379 (define-key menu-bar-help-menu [apropos]
1380   (list 'menu-item "Search Documentation" menu-bar-apropos-menu
1381         :help "Look up terms, find commands, options, etc. (Apropos)"))
1382 (define-key menu-bar-help-menu [sep1]
1383   '("--"))
1384 (define-key menu-bar-help-menu [report-emacs-bug]
1385   '(menu-item "Send Bug Report..." report-emacs-bug
1386               :help "Send e-mail to Emacs maintainers"))
1387 (define-key menu-bar-help-menu [emacs-problems]
1388   '(menu-item "Emacs Known Problems" view-emacs-problems))
1389 (define-key menu-bar-help-menu [emacs-news]
1390   '(menu-item "Emacs News" view-emacs-news
1391               :help "New features of this version"))
1392 (define-key menu-bar-help-menu [emacs-faq]
1393   '(menu-item "Emacs FAQ" view-emacs-FAQ))
1394
1395 (defun help-with-tutorial-spec-language ()
1396   "Use the Emacs tutorial, specifying which language you want."
1397   (interactive)
1398   (help-with-tutorial t))
1399
1400 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1401   '(menu-item "Emacs Tutorial (choose language)..."
1402               help-with-tutorial-spec-language
1403               :help "Learn how to use Emacs (choose a language)"))
1404 (define-key menu-bar-help-menu [emacs-tutorial]
1405   '(menu-item "Emacs Tutorial" help-with-tutorial
1406               :help "Learn how to use Emacs"))
1407
1408 (defun kill-this-buffer ()      ; for the menubar
1409   "Kill the current buffer."
1410   (interactive)
1411   (kill-buffer (current-buffer)))
1412
1413 (defun kill-this-buffer-enabled-p ()
1414   (let ((count 0)
1415         (buffers (buffer-list)))
1416     (while buffers
1417       (or (string-match "^ " (buffer-name (car buffers)))
1418           (setq count (1+ count)))
1419       (setq buffers (cdr buffers)))
1420     (and (not (window-minibuffer-p (frame-selected-window menu-updating-frame)))
1421          (> count 1))))
1422
1423 (put 'dired 'menu-enable
1424      '(not (window-minibuffer-p (frame-selected-window menu-updating-frame))))
1425
1426 ;; Permit deleting frame if it would leave a visible or iconified frame.
1427 (defun delete-frame-enabled-p ()
1428   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1429   (let ((frames (frame-list))
1430         (count 0))
1431     (while frames
1432       (if (frame-visible-p (car frames))
1433           (setq count (1+ count)))
1434       (setq frames (cdr frames)))
1435     (> count 1)))
1436
1437 (defcustom yank-menu-length 20
1438   "*Maximum length to display in the yank-menu."
1439   :type 'integer
1440   :group 'mouse)
1441
1442 (defun menu-bar-update-yank-menu (string old)
1443   (let ((front (car (cdr yank-menu)))
1444         (menu-string (if (<= (length string) yank-menu-length)
1445                          string
1446                        (concat
1447                         (substring string 0 (/ yank-menu-length 2))
1448                         "..."
1449                         (substring string (- (/ yank-menu-length 2)))))))
1450     ;; Don't let the menu string be all dashes
1451     ;; because that has a special meaning in a menu.
1452     (if (string-match "\\`-+\\'" menu-string)
1453         (setq menu-string (concat menu-string " ")))
1454     ;; If we're supposed to be extending an existing string, and that
1455     ;; string really is at the front of the menu, then update it in place.
1456     (if (and old (or (eq old (car front))
1457                      (string= old (car front))))
1458         (progn
1459           (setcar front string)
1460           (setcar (cdr front) menu-string))
1461       (setcdr yank-menu
1462               (cons
1463                (cons string (cons menu-string 'menu-bar-select-yank))
1464                (cdr yank-menu)))))
1465   (if (> (length (cdr yank-menu)) kill-ring-max)
1466       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1467
1468 (put 'menu-bar-select-yank 'apropos-inhibit t)
1469 (defun menu-bar-select-yank ()
1470   (interactive "*")
1471   (push-mark (point))
1472   (insert last-command-event))
1473
1474 \f
1475 (defcustom buffers-menu-show-directories 'unless-uniquify
1476   "If non-nil, show directories in the Buffers menu for buffers that have them.
1477 The special value `unless-uniquify' means that directories will be shown
1478 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1479 names should include enough of a buffer's directory to distinguish it
1480 from other buffers).
1481
1482 Setting this variable directly does not take effect until next time the
1483 Buffers menu is regenerated."
1484   :set (lambda (symbol value)
1485          (set symbol value)
1486          (menu-bar-update-buffers t))
1487   :initialize 'custom-initialize-default
1488   :type '(choice (const :tag "Never" nil)
1489                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1490                  (const :tag "Always" t))
1491   :group 'menu)
1492
1493 (defcustom buffers-menu-show-status t
1494   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1495 Setting this variable directly does not take effect until next time the
1496 Buffers menu is regenerated."
1497   :set (lambda (symbol value)
1498          (set symbol value)
1499          (menu-bar-update-buffers t))
1500   :initialize 'custom-initialize-default
1501   :type 'boolean
1502   :group 'menu)
1503
1504 (defvar list-buffers-directory nil)
1505
1506 (defvar menu-bar-update-buffers-maxbuf)
1507
1508 (defun menu-bar-select-buffer ()
1509   (interactive)
1510   (switch-to-buffer last-command-event))
1511
1512 (defun menu-bar-select-frame ()
1513   (interactive)
1514   (let (frame)
1515     (dolist (f (frame-list))
1516       (when (equal last-command-event (frame-parameter f 'name))
1517         (setq frame f)))
1518   (make-frame-visible frame)
1519   (raise-frame frame)
1520   (select-frame frame)))
1521
1522 (defun menu-bar-update-buffers-1 (elt)
1523   (let* ((buf (car elt))
1524          (file
1525           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1526                    (or (not (boundp 'uniquify-buffer-name-style))
1527                        (null uniquify-buffer-name-style))
1528                  buffers-menu-show-directories)
1529                (or (buffer-file-name buf)
1530                    (buffer-local-value 'list-buffers-directory buf)))))
1531     (when file
1532       (setq file (file-name-directory file)))
1533     (when (and file (> (length file) 20))
1534       (setq file (concat "..." (substring file -17))))
1535     (cons (if buffers-menu-show-status
1536               (let ((mod (if (buffer-modified-p buf) "*" ""))
1537                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1538                 (if file
1539                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1540                   (format "%s  %s%s" (cdr elt) mod ro)))
1541             (if file
1542                 (format "%s  --  %s"  (cdr elt) file)
1543               (cdr elt)))
1544           buf)))
1545
1546 ;; Used to cache the menu entries for commands in the Buffers menu
1547 (defvar menu-bar-buffers-menu-command-entries nil)
1548
1549 (defun menu-bar-update-buffers (&optional force)
1550   ;; If user discards the Buffers item, play along.
1551   (and (lookup-key (current-global-map) [menu-bar buffer])
1552        (or force (frame-or-buffer-changed-p))
1553        (let ((buffers (buffer-list))
1554              (frames (frame-list))
1555              buffers-menu frames-menu)
1556          ;; If requested, list only the N most recently selected buffers.
1557          (if (and (integerp buffers-menu-max-size)
1558                   (> buffers-menu-max-size 1))
1559              (if (> (length buffers) buffers-menu-max-size)
1560                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1561
1562          ;; Make the menu of buffers proper.
1563          (setq buffers-menu
1564                (let* ((buffer-list
1565                        (mapcar 'list buffers))
1566                       (menu-bar-update-buffers-maxbuf 0)
1567                       alist)
1568                  ;; Put into each element of buffer-list
1569                  ;; the name for actual display,
1570                  ;; perhaps truncated in the middle.
1571                  (dolist (buf buffer-list)
1572                    (let ((name (buffer-name (car buf))))
1573                      (setcdr buf
1574                              (if (> (length name) 27)
1575                                  (concat (substring name 0 12)
1576                                          "..."
1577                                          (substring name -12))
1578                                name))))
1579                  ;; Compute the maximum length of any name.
1580                  (dolist (buf buffer-list)
1581                    (unless (eq ?\  (aref (cdr buf) 0))
1582                      (setq menu-bar-update-buffers-maxbuf
1583                            (max menu-bar-update-buffers-maxbuf
1584                                 (length (cdr buf))))))
1585                  ;; Set ALIST to an alist of the form
1586                  ;; ITEM-STRING . BUFFER
1587                  (dolist (buf buffer-list)
1588                    (unless (eq ?\  (aref (cdr buf) 0))
1589                      (push (menu-bar-update-buffers-1 buf) alist)))
1590                  ;; Now make the actual list of items, and add
1591                  ;; some miscellaneous buffer commands to the end.
1592                  (mapcar (lambda (pair)
1593                            ;; This is somewhat risque, to use
1594                            ;; the buffer name itself as the event
1595                            ;; type to define, but it works.
1596                            ;; It would not work to use the buffer
1597                            ;; since a buffer as an event has its
1598                            ;; own meaning.
1599                            (nconc (list (buffer-name (cdr pair))
1600                                         (car pair)
1601                                         (cons nil nil))
1602                                   'menu-bar-select-buffer))
1603                          (nreverse alist))))
1604
1605          ;; Make a Frames menu if we have more than one frame.
1606          (when (cdr frames)
1607            (let ((frames-menu
1608                   (cons 'keymap
1609                         (cons "Select Frame"
1610                               (mapcar
1611                                (lambda (frame)
1612                                  (nconc
1613                                   (list (frame-parameter frame 'name)
1614                                         (frame-parameter frame 'name)
1615                                         (cons nil nil))
1616                                   'menu-bar-select-frame))
1617                                frames)))))
1618              ;; Put it after the normal buffers
1619              (setq buffers-menu
1620                    (nconc buffers-menu
1621                           `((frames-separator "--")
1622                             (frames menu-item "Frames" ,frames-menu))))))
1623
1624          ;; Add in some normal commands at the end of the menu.  We use
1625          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1626          ;; if it's been set already.  Note that we can't use constant
1627          ;; lists for the menu-entries, because the low-level menu-code
1628          ;; modifies them.
1629          (unless menu-bar-buffers-menu-command-entries
1630            (setq menu-bar-buffers-menu-command-entries
1631                  (list '(command-separator "--")
1632                        (list 'next-buffer
1633                              'menu-item
1634                              "Next Buffer"
1635                              'next-buffer
1636                              :help "Switch to the \"next\" buffer in a cyclic order")
1637                        (list 'prev-buffer
1638                              'menu-item
1639                              "Previous Buffer"
1640                              'prev-buffer
1641                              :help "Switch to the \"previous\" buffer in a cyclic order")
1642                        (list 'select-named-buffer
1643                              'menu-item
1644                              "Select Named Buffer..."
1645                              'switch-to-buffer
1646                              :help "Prompt for a buffer name, and select that buffer in the current window")
1647                        (list 'list-all-buffers
1648                              'menu-item
1649                              "List All Buffers"
1650                              'list-buffers
1651                              :help "Pop up a window listing all emacs buffers"
1652                              ))))
1653          (setq buffers-menu
1654                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1655
1656          (setq buffers-menu (cons 'keymap (cons "Select Buffer" buffers-menu)))
1657          (define-key (current-global-map) [menu-bar buffer]
1658            ;; Call copy-sequence so the string is not pure.
1659            (cons (copy-sequence "Buffers") buffers-menu)))))
1660
1661 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1662
1663 (menu-bar-update-buffers)
1664
1665 ;; this version is too slow
1666 ;;(defun format-buffers-menu-line (buffer)
1667 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1668 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1669 ;;  (if (string-match "\\` " (buffer-name buffer))
1670 ;;      nil
1671 ;;    (save-excursion
1672 ;;     (set-buffer buffer)
1673 ;;     (let ((size (buffer-size)))
1674 ;;       (format "%s%s %-19s %6s %-15s %s"
1675 ;;             (if (buffer-modified-p) "*" " ")
1676 ;;             (if buffer-read-only "%" " ")
1677 ;;             (buffer-name)
1678 ;;             size
1679 ;;             mode-name
1680 ;;             (or (buffer-file-name) ""))))))
1681 \f
1682 ;;; Set up a menu bar menu for the minibuffer.
1683
1684 (dolist (map (list minibuffer-local-map
1685                    ;; This shouldn't be necessary, but there's a funny
1686                    ;; bug in keymap.c that I don't understand yet.  -stef
1687                    minibuffer-local-completion-map))
1688   (define-key map [menu-bar minibuf]
1689     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1690
1691 (let ((map minibuffer-local-completion-map))
1692   (define-key map [menu-bar minibuf ?\?]
1693     (list 'menu-item "List Completions" 'minibuffer-completion-help
1694           :help "Display all possible completions"))
1695   (define-key map [menu-bar minibuf space]
1696     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1697           :help "Complete at most one word"))
1698   (define-key map [menu-bar minibuf tab]
1699     (list 'menu-item "Complete" 'minibuffer-complete
1700           :help "Complete as far as possible")))
1701
1702 (let ((map minibuffer-local-map))
1703   (define-key map [menu-bar minibuf quit]
1704     (list 'menu-item "Quit" 'keyboard-escape-quit
1705           :help "Abort input and exit minibuffer"))
1706   (define-key map [menu-bar minibuf return]
1707     (list 'menu-item "Enter" 'exit-minibuffer
1708           :help "Terminate input and exit minibuffer")))
1709 \f
1710 ;;;###autoload
1711 ;; This comment is taken from toolbar/tool-bar.el near
1712 ;; (put 'tool-bar-mode ...)
1713 ;; We want to pretend the menu bar by standard is on, as this will make
1714 ;; customize consider disabling the menu bar a customization, and save
1715 ;; that.  We could do this for real by setting :init-value below, but
1716 ;; that would overwrite disabling the tool bar from X resources.
1717 (put 'menu-bar-mode 'standard-value '(t))
1718
1719 ;;;###autoload
1720 (define-minor-mode menu-bar-mode
1721   "Toggle display of a menu bar on each frame.
1722 This command applies to all frames that exist and frames to be
1723 created in the future.
1724 With a numeric argument, if the argument is positive,
1725 turn on menu bars; otherwise, turn off menu bars."
1726   :init-value nil
1727   :global t
1728   :group 'frames
1729   ;; Make menu-bar-mode and default-frame-alist consistent.
1730   (let ((lines (if menu-bar-mode 1 0)))
1731     ;; Alter existing frames...
1732     (mapc (lambda (frame)
1733             (modify-frame-parameters frame
1734                                      (list (cons 'menu-bar-lines lines))))
1735           (frame-list))
1736     ;; ...and future ones.
1737     (let ((elt (assq 'menu-bar-lines default-frame-alist)))
1738       (if elt
1739           (setcdr elt lines)
1740         (add-to-list 'default-frame-alist (cons 'menu-bar-lines lines)))))
1741
1742   ;; Make the message appear when Emacs is idle.  We can not call message
1743   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1744   ;; after this function returns, overwriting any message we do here.
1745   (when (and (interactive-p) (not menu-bar-mode))
1746     (run-with-idle-timer 0 nil 'message
1747                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1748   menu-bar-mode)
1749
1750 (provide 'menu-bar)
1751
1752 ;;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1753 ;;; menu-bar.el ends here