lisp/menu-bar.el

   1 ;;; menu-bar.el --- define a default menu bar
   2
   3 ;; Copyright (C) 1993, 1994, 1995, 2000, 2001, 2002, 2003, 2004,
   4 ;;   2005 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., 51 Franklin Street, Fifth Floor,
  25 ;; Boston, MA 02110-1301, 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 "Remove Splits" delete-other-windows
 103               :enable (not (one-window-p t nil))
 104               :help "Selected window grows to fill the whole frame"))
 105
 106 (define-key menu-bar-file-menu [split-window]
 107   '(menu-item "Split Window" split-window-vertically
 108               :enable (and (menu-bar-menu-frame-live-and-visible-p)
 109                            (menu-bar-non-minibuffer-window-p))
 110               :help "Split selected window in two windows"))
 111
 112 (define-key menu-bar-file-menu [separator-window]
 113   '(menu-item "--"))
 114
 115 (define-key menu-bar-file-menu [ps-print-region]
 116   '(menu-item "Postscript Print Region (B+W)" ps-print-region
 117               :enable mark-active
 118               :help "Pretty-print marked region in black and white to PostScript printer"))
 119 (define-key menu-bar-file-menu [ps-print-buffer]
 120   '(menu-item "Postscript Print Buffer (B+W)" ps-print-buffer
 121               :enable (menu-bar-menu-frame-live-and-visible-p)
 122               :help "Pretty-print current buffer in black and white to PostScript printer"))
 123 (define-key menu-bar-file-menu [ps-print-region-faces]
 124   '(menu-item "Postscript Print Region" ps-print-region-with-faces
 125               :enable mark-active
 126               :help "Pretty-print marked region to PostScript printer"))
 127 (define-key menu-bar-file-menu [ps-print-buffer-faces]
 128   '(menu-item "Postscript Print Buffer" ps-print-buffer-with-faces
 129               :enable (menu-bar-menu-frame-live-and-visible-p)
 130               :help "Pretty-print current buffer to PostScript printer"))
 131 (define-key menu-bar-file-menu [print-region]
 132   '(menu-item "Print Region" print-region
 133               :enable mark-active
 134               :help "Print region between mark and current position"))
 135 (define-key menu-bar-file-menu [print-buffer]
 136   '(menu-item "Print Buffer" print-buffer
 137               :enable (menu-bar-menu-frame-live-and-visible-p)
 138               :help "Print current buffer with page headings"))
 139
 140 (define-key menu-bar-file-menu [separator-print]
 141   '(menu-item "--"))
 142
 143 (define-key menu-bar-file-menu [recover-session]
 144   '(menu-item "Recover Crashed Session" recover-session
 145               :enable (and auto-save-list-file-prefix
 146                            (file-directory-p
 147                             (file-name-directory auto-save-list-file-prefix))
 148                            (directory-files
 149                             (file-name-directory auto-save-list-file-prefix)
 150                             nil
 151                             (concat "\\`"
 152                                     (regexp-quote
 153                                      (file-name-nondirectory
 154                                       auto-save-list-file-prefix)))
 155                             t))
 156               :help "Recover edits from a crashed session"))
 157 (define-key menu-bar-file-menu [revert-buffer]
 158   '(menu-item "Revert Buffer" revert-buffer
 159               :enable (or revert-buffer-function
 160                           revert-buffer-insert-file-contents-function
 161                           (and buffer-file-number
 162                                (or (buffer-modified-p)
 163                                    (not (verify-visited-file-modtime
 164                                          (current-buffer))))))
 165               :help "Re-read current buffer from its file"))
 166 (define-key menu-bar-file-menu [write-file]
 167   '(menu-item "Save As..." write-file
 168               :enable (and (menu-bar-menu-frame-live-and-visible-p)
 169                            (menu-bar-non-minibuffer-window-p))
 170               :help "Write current buffer to another file"))
 171 (define-key menu-bar-file-menu [save-buffer]
 172   '(menu-item "Save" save-buffer
 173               :enable (and (buffer-modified-p)
 174                            (buffer-file-name)
 175                            (menu-bar-non-minibuffer-window-p))
 176               :help "Save current buffer to its file"))
 177
 178 (define-key menu-bar-file-menu [separator-save]
 179   '(menu-item "--"))
 180
 181 (define-key menu-bar-file-menu [kill-buffer]
 182   '(menu-item "Close" kill-this-buffer
 183               :enable (kill-this-buffer-enabled-p)
 184               :help "Discard (kill) current buffer"))
 185 (define-key menu-bar-file-menu [insert-file]
 186   '(menu-item "Insert File..." insert-file
 187               :enable (menu-bar-non-minibuffer-window-p)
 188               :help "Insert another file into current buffer"))
 189 (define-key menu-bar-file-menu [dired]
 190   '(menu-item "Open Directory..." dired
 191               :enable (menu-bar-non-minibuffer-window-p)
 192               :help "Read a directory, to operate on its files"))
 193 (define-key menu-bar-file-menu [open-file]
 194   '(menu-item "Open File..." find-file-existing
 195               :enable (menu-bar-non-minibuffer-window-p)
 196               :help "Read an existing file into an Emacs buffer"))
 197 (define-key menu-bar-file-menu [new-file]
 198   '(menu-item "Visit New File..." find-file
 199               :enable (menu-bar-non-minibuffer-window-p)
 200               :help "Specify a new file's name, to edit the file"))
 201
 202 \f
 203 ;; The "Edit" menu items
 204
 205 ;; The "Edit->Search" submenu
 206 (defvar menu-bar-last-search-type nil
 207   "Type of last non-incremental search command called from the menu.")
 208
 209 (defun nonincremental-repeat-search-forward ()
 210   "Search forward for the previous search string or regexp."
 211   (interactive)
 212   (cond
 213    ((and (eq menu-bar-last-search-type 'string)
 214          search-ring)
 215     (search-forward (car search-ring)))
 216    ((and (eq menu-bar-last-search-type 'regexp)
 217          regexp-search-ring)
 218     (re-search-forward (car regexp-search-ring)))
 219    (t
 220     (error "No previous search"))))
 221
 222 (defun nonincremental-repeat-search-backward ()
 223   "Search backward for the previous search string or regexp."
 224   (interactive)
 225   (cond
 226    ((and (eq menu-bar-last-search-type 'string)
 227          search-ring)
 228     (search-backward (car search-ring)))
 229    ((and (eq menu-bar-last-search-type 'regexp)
 230          regexp-search-ring)
 231     (re-search-backward (car regexp-search-ring)))
 232    (t
 233     (error "No previous search"))))
 234
 235 (defun nonincremental-search-forward (string)
 236   "Read a string and search for it nonincrementally."
 237   (interactive "sSearch for string: ")
 238   (setq menu-bar-last-search-type 'string)
 239   (if (equal string "")
 240       (search-forward (car search-ring))
 241     (isearch-update-ring string nil)
 242     (search-forward string)))
 243
 244 (defun nonincremental-search-backward (string)
 245   "Read a string and search backward for it nonincrementally."
 246   (interactive "sSearch for string: ")
 247   (setq menu-bar-last-search-type 'string)
 248   (if (equal string "")
 249       (search-backward (car search-ring))
 250     (isearch-update-ring string nil)
 251     (search-backward string)))
 252
 253 (defun nonincremental-re-search-forward (string)
 254   "Read a regular expression and search for it nonincrementally."
 255   (interactive "sSearch for regexp: ")
 256   (setq menu-bar-last-search-type 'regexp)
 257   (if (equal string "")
 258       (re-search-forward (car regexp-search-ring))
 259     (isearch-update-ring string t)
 260     (re-search-forward string)))
 261
 262 (defun nonincremental-re-search-backward (string)
 263   "Read a regular expression and search backward for it nonincrementally."
 264   (interactive "sSearch for regexp: ")
 265   (setq menu-bar-last-search-type 'regexp)
 266   (if (equal string "")
 267       (re-search-backward (car regexp-search-ring))
 268     (isearch-update-ring string t)
 269     (re-search-backward string)))
 270
 271 (defvar menu-bar-search-menu (make-sparse-keymap "Search"))
 272
 273 ;; The Edit->Search->Incremental Search menu
 274 (defvar menu-bar-i-search-menu
 275   (make-sparse-keymap "Incremental Search"))
 276
 277 (define-key menu-bar-i-search-menu [isearch-backward-regexp]
 278   '(menu-item "Backward Regexp..." isearch-backward-regexp
 279               :help "Search backwards for a regular expression as you type it"))
 280 (define-key menu-bar-i-search-menu [isearch-forward-regexp]
 281   '(menu-item "Forward Regexp..." isearch-forward-regexp
 282               :help "Search forward for a regular expression as you type it"))
 283 (define-key menu-bar-i-search-menu [isearch-backward]
 284   '(menu-item "Backward String..." isearch-backward
 285               :help "Search backwards for a string as you type it"))
 286 (define-key menu-bar-i-search-menu [isearch-forward]
 287   '(menu-item "Forward String..." isearch-forward
 288               :help "Search forward for a string as you type it"))
 289
 290
 291 (define-key menu-bar-search-menu [i-search]
 292   (list 'menu-item "Incremental Search" menu-bar-i-search-menu
 293               :help "Incremental Search finds partial matches while you type the search string.\nIt is most convenient from the keyboard.  Try it!"))
 294 (define-key menu-bar-search-menu [separator-tag-isearch]
 295   '(menu-item "--"))
 296
 297 (define-key menu-bar-search-menu [tags-continue]
 298   '(menu-item "Continue Tags Search" tags-loop-continue
 299               :help "Continue last tags search operation"))
 300 (define-key menu-bar-search-menu [tags-srch]
 301   '(menu-item "Search tagged files..." tags-search
 302               :help "Search for a regexp in all tagged files"))
 303 (define-key menu-bar-search-menu [separator-tag-search]
 304   '(menu-item "--"))
 305
 306 (define-key menu-bar-search-menu [repeat-search-back]
 307   '(menu-item "Repeat Backwards" nonincremental-repeat-search-backward
 308               :enable (or (and (eq menu-bar-last-search-type 'string)
 309                                search-ring)
 310                           (and (eq menu-bar-last-search-type 'regexp)
 311                                regexp-search-ring))
 312               :help "Repeat last search backwards"))
 313 (define-key menu-bar-search-menu [repeat-search-fwd]
 314   '(menu-item "Repeat Forward" nonincremental-repeat-search-forward
 315               :enable (or (and (eq menu-bar-last-search-type 'string)
 316                                search-ring)
 317                           (and (eq menu-bar-last-search-type 'regexp)
 318                                regexp-search-ring))
 319               :help "Repeat last search forward"))
 320 (define-key menu-bar-search-menu [separator-repeat-search]
 321   '(menu-item "--"))
 322
 323 (define-key menu-bar-search-menu [re-search-backward]
 324   '(menu-item "Regexp Backwards..." nonincremental-re-search-backward
 325               :help "Search backwards for a regular expression"))
 326 (define-key menu-bar-search-menu [re-search-forward]
 327   '(menu-item "Regexp Forward..." nonincremental-re-search-forward
 328               :help "Search forward for a regular expression"))
 329
 330 (define-key menu-bar-search-menu [search-backward]
 331   '(menu-item "String Backwards..." nonincremental-search-backward
 332               :help "Search backwards for a string"))
 333 (define-key menu-bar-search-menu [search-forward]
 334   '(menu-item "String Forward..." nonincremental-search-forward
 335               :help "Search forward for a string"))
 336
 337 ;; The Edit->Replace submenu
 338
 339 (defvar menu-bar-replace-menu (make-sparse-keymap "Replace"))
 340
 341 (define-key menu-bar-replace-menu [tags-repl-continue]
 342   '(menu-item "Continue Replace" tags-loop-continue
 343               :help "Continue last tags replace operation"))
 344 (define-key menu-bar-replace-menu [tags-repl]
 345   '(menu-item "Replace in tagged files..." tags-query-replace
 346               :help "Interactively replace a regexp in all tagged files"))
 347 (define-key menu-bar-replace-menu [separator-replace-tags]
 348   '(menu-item "--"))
 349
 350 (define-key menu-bar-replace-menu [query-replace-regexp]
 351   '(menu-item "Replace Regexp..." query-replace-regexp
 352               :enable (not buffer-read-only)
 353               :help "Replace regular expression interactively, ask about each occurrence"))
 354 (define-key menu-bar-replace-menu [query-replace]
 355   '(menu-item "Replace String..." query-replace
 356               :enable (not buffer-read-only)
 357               :help "Replace string interactively, ask about each occurrence"))
 358
 359 ;;; Assemble the top-level Edit menu items.
 360 (define-key menu-bar-edit-menu [props]
 361   '(menu-item "Text Properties" facemenu-menu
 362               :help "Change properties of text in region"))
 363
 364 (define-key menu-bar-edit-menu [fill]
 365   '(menu-item "Fill" fill-region
 366               :enable (and mark-active (not buffer-read-only))
 367               :help
 368               "Fill text in region to fit between left and right margin"))
 369
 370 (define-key menu-bar-edit-menu [separator-bookmark]
 371   '(menu-item "--"))
 372
 373 (define-key menu-bar-edit-menu [bookmark]
 374   '(menu-item "Bookmarks" menu-bar-bookmark-map
 375               :help "Record positions and jump between them"))
 376
 377 (defvar menu-bar-goto-menu (make-sparse-keymap "Go To"))
 378
 379 (define-key menu-bar-goto-menu [set-tags-name]
 380   '(menu-item "Set Tags File Name..." visit-tags-table
 381               :help "Tell Tags commands which tag table file to use"))
 382
 383 (define-key menu-bar-goto-menu [separator-tag-file]
 384   '(menu-item "--"))
 385
 386 (define-key menu-bar-goto-menu [apropos-tags]
 387   '(menu-item "Tags Apropos..." tags-apropos
 388               :help "Find function/variables whose names match regexp"))
 389 (define-key menu-bar-goto-menu [next-tag-otherw]
 390   '(menu-item "Next Tag in Other Window"
 391               menu-bar-next-tag-other-window
 392               :enable (and (boundp 'tags-location-ring)
 393                            (not (ring-empty-p tags-location-ring)))
 394               :help "Find next function/variable matching last tag name in another window"))
 395
 396 (defun menu-bar-next-tag-other-window ()
 397   "Find the next definition of the tag already specified."
 398   (interactive)
 399   (find-tag-other-window nil t))
 400
 401 (defun menu-bar-next-tag ()
 402   "Find the next definition of the tag already specified."
 403   (interactive)
 404   (find-tag nil t))
 405
 406 (define-key menu-bar-goto-menu [next-tag]
 407   '(menu-item "Find Next Tag"
 408               menu-bar-next-tag
 409               :enable (and (boundp 'tags-location-ring)
 410                            (not (ring-empty-p tags-location-ring)))
 411               :help "Find next function/variable matching last tag name"))
 412 (define-key menu-bar-goto-menu [find-tag-otherw]
 413   '(menu-item "Find Tag in Other Window..." find-tag-other-window
 414               :help "Find function/variable definition in another window"))
 415 (define-key menu-bar-goto-menu [find-tag]
 416   '(menu-item "Find Tag..." find-tag
 417               :help "Find definition of function or variable"))
 418
 419 (define-key menu-bar-goto-menu [separator-tags]
 420   '(menu-item "--"))
 421
 422 (define-key menu-bar-goto-menu [end-of-buf]
 423   '(menu-item "Goto End of Buffer" end-of-buffer))
 424 (define-key menu-bar-goto-menu [beg-of-buf]
 425   '(menu-item "Goto Beginning of Buffer" beginning-of-buffer))
 426 (define-key menu-bar-goto-menu [go-to-pos]
 427   '(menu-item "Goto Buffer Position..." goto-char
 428               :help "Read a number N and go to buffer position N"))
 429 (define-key menu-bar-goto-menu [go-to-line]
 430   '(menu-item "Goto Line..." goto-line
 431               :help "Read a line number and go to that line"))
 432
 433 (define-key menu-bar-edit-menu [goto]
 434   (list 'menu-item "Go To" menu-bar-goto-menu))
 435
 436 (define-key menu-bar-edit-menu [replace]
 437   (list 'menu-item "Replace" menu-bar-replace-menu))
 438
 439 (define-key menu-bar-edit-menu [search]
 440   (list 'menu-item "Search" menu-bar-search-menu))
 441
 442 (define-key menu-bar-edit-menu [separator-search]
 443   '(menu-item "--"))
 444
 445 (define-key menu-bar-edit-menu [mark-whole-buffer]
 446   '(menu-item "Select All" mark-whole-buffer
 447               :help "Mark the whole buffer for a subsequent cut/copy."))
 448 (define-key menu-bar-edit-menu [clear]
 449   '(menu-item "Clear" delete-region
 450               :enable (and mark-active
 451                            (not buffer-read-only)
 452                            (not (mouse-region-match)))
 453               :help
 454               "Delete the text in region between mark and current position"))
 455 (defvar yank-menu (cons "Select Yank" nil))
 456 (fset 'yank-menu (cons 'keymap yank-menu))
 457 (define-key menu-bar-edit-menu [select-paste]
 458   '(menu-item "Select and Paste" yank-menu
 459               :enable (and (cdr yank-menu) (not buffer-read-only))
 460               :help "Paste (yank) text cut or copied earlier"))
 461 (define-key menu-bar-edit-menu [paste]
 462   '(menu-item "Paste" yank
 463               :enable (and
 464                        ;; Emacs compiled --without-x doesn't have
 465                        ;; x-selection-exists-p.
 466                        (fboundp 'x-selection-exists-p)
 467                        (x-selection-exists-p) (not buffer-read-only))
 468               :help "Paste (yank) text most recently cut/copied"))
 469 (define-key menu-bar-edit-menu [copy]
 470   '(menu-item "Copy" menu-bar-kill-ring-save
 471               :enable mark-active
 472               :help "Copy text in region between mark and current position"
 473               :keys "\\[kill-ring-save]"))
 474 (define-key menu-bar-edit-menu [cut]
 475   '(menu-item "Cut" kill-region
 476               :enable (and mark-active (not buffer-read-only))
 477               :help
 478               "Cut (kill) text in region between mark and current position"))
 479 (define-key menu-bar-edit-menu [undo]
 480   '(menu-item "Undo" undo
 481               :enable (and (not buffer-read-only)
 482                            (not (eq t buffer-undo-list))
 483                            (if (eq last-command 'undo)
 484                                pending-undo-list
 485                              (consp buffer-undo-list)))
 486               :help "Undo last operation"))
 487
 488
 489 (defun menu-bar-kill-ring-save (beg end)
 490   (interactive "r")
 491   (if (mouse-region-match)
 492       (message "Selecting a region with the mouse does `copy' automatically")
 493     (kill-ring-save beg end)))
 494
 495 ;; These are alternative definitions for the cut, paste and copy
 496 ;; menu items.  Use them if your system expects these to use the clipboard.
 497
 498 (put 'clipboard-kill-region 'menu-enable 'mark-active)
 499 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 500 (put 'clipboard-yank 'menu-enable
 501      '(or (and (fboundp 'x-selection-exists-p) (x-selection-exists-p))
 502           (x-selection-exists-p 'CLIPBOARD)))
 503
 504 (defun clipboard-yank ()
 505   "Insert the clipboard contents, or the last stretch of killed text."
 506   (interactive)
 507   (let ((x-select-enable-clipboard t))
 508     (yank)))
 509
 510 (defun clipboard-kill-ring-save (beg end)
 511   "Copy region to kill ring, and save in the X clipboard."
 512   (interactive "r")
 513   (let ((x-select-enable-clipboard t))
 514     (kill-ring-save beg end)))
 515
 516 (defun clipboard-kill-region (beg end)
 517   "Kill the region, and save it in the X clipboard."
 518   (interactive "r")
 519   (let ((x-select-enable-clipboard t))
 520     (kill-region beg end)))
 521
 522 (defun menu-bar-enable-clipboard ()
 523   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 524 Do the same for the keys of the same name."
 525   (interactive)
 526   ;; We can't use constant list structure here because it becomes pure,
 527   ;; and because it gets modified with cache data.
 528   (define-key menu-bar-edit-menu [paste]
 529     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 530   (define-key menu-bar-edit-menu [copy]
 531     (cons "Copy" (cons "Copy text in region to the clipboard"
 532                        'clipboard-kill-ring-save)))
 533   (define-key menu-bar-edit-menu [cut]
 534     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 535                       'clipboard-kill-region)))
 536
 537   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 538   ;; (also for XFree86 on Sun keyboard):
 539   (define-key global-map [f20] 'clipboard-kill-region)
 540   (define-key global-map [f16] 'clipboard-kill-ring-save)
 541   (define-key global-map [f18] 'clipboard-yank)
 542   ;; X11R6 versions:
 543   (define-key global-map [cut] 'clipboard-kill-region)
 544   (define-key global-map [copy] 'clipboard-kill-ring-save)
 545   (define-key global-map [paste] 'clipboard-yank))
 546 \f
 547 ;; The "Options" menu items
 548
 549 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 550
 551 (define-key menu-bar-custom-menu [customize-apropos-groups]
 552   '(menu-item "Groups Matching Regexp..." customize-apropos-groups
 553               :help "Browse groups whose names match regexp"))
 554 (define-key menu-bar-custom-menu [customize-apropos-faces]
 555   '(menu-item "Faces Matching Regexp..." customize-apropos-faces
 556               :help "Browse faces whose names match regexp"))
 557 (define-key menu-bar-custom-menu [customize-apropos-options]
 558   '(menu-item "Options Matching Regexp..." customize-apropos-options
 559               :help "Browse options whose names match regexp"))
 560 (define-key menu-bar-custom-menu [customize-apropos]
 561   '(menu-item "Settings Matching Regexp..." customize-apropos
 562               :help "Browse customizable settings whose names match regexp"))
 563 (define-key menu-bar-custom-menu [separator-1]
 564   '("--"))
 565 (define-key menu-bar-custom-menu [customize-group]
 566   '(menu-item "Specific Group..." customize-group
 567               :help "Customize settings of specific group"))
 568 (define-key menu-bar-custom-menu [customize-face]
 569   '(menu-item "Specific Face..." customize-face
 570               :help "Customize attributes of specific face"))
 571 (define-key menu-bar-custom-menu [customize-option]
 572   '(menu-item "Specific Option..." customize-option
 573               :help "Customize value of specific option"))
 574 (define-key menu-bar-custom-menu [separator-2]
 575   '("--"))
 576 (define-key menu-bar-custom-menu [customize-changed-options]
 577   '(menu-item "New Options..." customize-changed-options
 578               :help "Options added or changed in recent Emacs versions"))
 579 (define-key menu-bar-custom-menu [customize-saved]
 580   '(menu-item "Saved Options" customize-saved
 581               :help "Customize previously saved options"))
 582 (define-key menu-bar-custom-menu [separator-3]
 583   '("--"))
 584 (define-key menu-bar-custom-menu [customize-browse]
 585   '(menu-item "Browse Customization Groups" customize-browse
 586               :help "Browse all customization groups"))
 587 (define-key menu-bar-custom-menu [customize]
 588   '(menu-item "Top-level Customization Group" customize
 589               :help "The master group called `Emacs'"))
 590
 591 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 592
 593 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 594   "Make a menu-item for a global minor mode toggle.
 595 FNAME is the minor mode's name (variable and function).
 596 DOC is the text to use for the menu entry.
 597 HELP is the text to use for the tooltip.
 598 PROPS are additional properties."
 599   `'(menu-item ,doc ,fname
 600      ,@props
 601      :help ,help
 602      :button (:toggle . (and (default-boundp ',fname)
 603                              (default-value ',fname)))))
 604
 605 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 606   `(progn
 607      (defun ,name (&optional interactively)
 608        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 609                 (substring help 1) ".
 610 In an interactive call, record this option as a candidate for saving
 611 by \"Save Options\" in Custom buffers.")
 612        (interactive "p")
 613        (if ,(if body `(progn . ,body)
 614               `(progn
 615                  (custom-load-symbol ',variable)
 616                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 617                        (get (or (get ',variable 'custom-get) 'default-value)))
 618                    (funcall set ',variable (not (funcall get ',variable))))))
 619            (message ,message "enabled")
 620          (message ,message "disabled"))
 621        ;; The function `customize-mark-as-set' must only be called when
 622        ;; a variable is set interactively, as the purpose is to mark it as
 623        ;; a candidate for "Save Options", and we do not want to save options
 624        ;; the user have already set explicitly in his init file.
 625        (if interactively (customize-mark-as-set ',variable)))
 626      '(menu-item ,doc ,name
 627                  :help ,help
 628                  :button (:toggle . (and (default-boundp ',variable)
 629                                          (default-value ',variable))))))
 630
 631 ;;; Assemble all the top-level items of the "Options" menu
 632 (define-key menu-bar-options-menu [customize]
 633   (list 'menu-item "Customize Emacs" menu-bar-custom-menu
 634         :help "Full customization of every Emacs feature"))
 635
 636 (defun menu-bar-options-save ()
 637   "Save current values of Options menu items using Custom."
 638   (interactive)
 639   (let ((need-save nil))
 640     ;; These are set with menu-bar-make-mm-toggle, which does not
 641     ;; put on a customized-value property.
 642     (dolist (elt '(line-number-mode column-number-mode size-indication-mode
 643                    cua-mode show-paren-mode transient-mark-mode
 644                    global-font-lock-mode blink-cursor-mode
 645                    display-time-mode display-battery-mode))
 646       (and (customize-mark-to-save elt)
 647            (setq need-save t)))
 648     ;; These are set with `customize-set-variable'.
 649     (dolist (elt '(scroll-bar-mode
 650                    debug-on-quit debug-on-error
 651                    tooltip-mode menu-bar-mode tool-bar-mode
 652                    save-place uniquify-buffer-name-style fringe-mode
 653                    indicate-empty-lines indicate-buffer-boundaries
 654                    case-fold-search
 655                    current-language-environment default-input-method
 656                    ;; Saving `text-mode-hook' is somewhat questionable,
 657                    ;; as we might get more than we bargain for, if
 658                    ;; other code may has added hooks as well.
 659                    ;; Nonetheless, not saving it would like be confuse
 660                    ;; more often.
 661                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 662                    text-mode-hook))
 663       (and (get elt 'customized-value)
 664            (customize-mark-to-save elt)
 665            (setq need-save t)))
 666     ;; Save if we changed anything.
 667     (when need-save
 668       (custom-save-all))))
 669
 670 (define-key menu-bar-options-menu [save]
 671   '(menu-item "Save Options" menu-bar-options-save
 672               :help "Save options set from the menu above"))
 673
 674 (define-key menu-bar-options-menu [custom-separator]
 675   '("--"))
 676
 677 (define-key menu-bar-options-menu [mouse-set-font]
 678   '(menu-item "Set Font/Fontset..." mouse-set-font
 679                :visible (display-multi-font-p)
 680                :help "Select a font from list of known fonts/fontsets"))
 681
 682 ;; The "Show/Hide" submenu of menu "Options"
 683
 684 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 685
 686 (define-key menu-bar-showhide-menu [column-number-mode]
 687   (menu-bar-make-mm-toggle column-number-mode
 688                            "Column Numbers"
 689                            "Show the current column number in the mode line"))
 690
 691 (define-key menu-bar-showhide-menu [line-number-mode]
 692   (menu-bar-make-mm-toggle line-number-mode
 693                            "Line Numbers"
 694                            "Show the current line number in the mode line"))
 695
 696 (define-key menu-bar-showhide-menu [size-indication-mode]
 697   (menu-bar-make-mm-toggle size-indication-mode
 698                            "Size Indication"
 699                            "Show the size of the buffer in the mode line"))
 700
 701 (define-key menu-bar-showhide-menu [linecolumn-separator]
 702   '("--"))
 703
 704 (define-key menu-bar-showhide-menu [showhide-battery]
 705   (menu-bar-make-mm-toggle display-battery-mode
 706                            "Battery Status"
 707                            "Display battery status information in mode line"))
 708
 709 (define-key menu-bar-showhide-menu [showhide-date-time]
 710   (menu-bar-make-mm-toggle display-time-mode
 711                            "Time, Load and Mail"
 712                            "Display time, system load averages and \
 713 mail status in mode line"))
 714
 715 (define-key menu-bar-showhide-menu [datetime-separator]
 716   '("--"))
 717
 718 (define-key menu-bar-showhide-menu [showhide-speedbar]
 719   '(menu-item "Speedbar" speedbar-frame-mode
 720               :help "Display a Speedbar quick-navigation frame"
 721               :button (:toggle
 722                        . (and (boundp 'speedbar-frame)
 723                               (frame-live-p (symbol-value 'speedbar-frame))
 724                               (frame-visible-p
 725                                (symbol-value 'speedbar-frame))))))
 726
 727 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 728
 729 (defvar menu-bar-showhide-fringe-ind-menu
 730   (make-sparse-keymap "Buffer boundaries"))
 731
 732 (defun menu-bar-showhide-fringe-ind-customize ()
 733   "Show customization buffer for `indicate-buffer-boundaries'."
 734   (interactive)
 735   (customize-variable 'indicate-buffer-boundaries))
 736
 737 (define-key menu-bar-showhide-fringe-ind-menu [customize]
 738   '(menu-item "Other (Customize)"
 739               menu-bar-showhide-fringe-ind-customize
 740               :help "Additional choices available through Custom buffer"
 741               :visible (display-graphic-p)))
 742
 743 (defun menu-bar-showhide-fringe-ind-mixed ()
 744   "Display top and bottom indicators in opposite fringes, arrows in right."
 745   (interactive)
 746   (customize-set-variable 'indicate-buffer-boundaries
 747                           '((t . right) (top . left))))
 748
 749 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 750   '(menu-item "Opposite, Arrows Right" menu-bar-showhide-fringe-ind-mixed
 751               :help
 752               "Show top/bottom indicators in opposite fringes, arrows in right"
 753               :visible (display-graphic-p)
 754               :button (:radio . (eq indicate-buffer-boundaries
 755                                     '((t . right) (top . left))))))
 756
 757 (defun menu-bar-showhide-fringe-ind-box ()
 758   "Display top and bottom indicators in opposite fringes."
 759   (interactive)
 760   (customize-set-variable 'indicate-buffer-boundaries
 761                           '((top . left) (bottom . right))))
 762
 763 (define-key menu-bar-showhide-fringe-ind-menu [box]
 764   '(menu-item "Opposite, No Arrows" menu-bar-showhide-fringe-ind-box
 765               :help "Show top/bottom indicators in opposite fringes, no arrows"
 766               :visible (display-graphic-p)
 767               :button (:radio . (eq indicate-buffer-boundaries
 768                                     '((top . left) (bottom . right))))))
 769
 770 (defun menu-bar-showhide-fringe-ind-right ()
 771   "Display buffer boundaries and arrows in the right fringe."
 772   (interactive)
 773   (customize-set-variable 'indicate-buffer-boundaries 'right))
 774
 775 (define-key menu-bar-showhide-fringe-ind-menu [right]
 776   '(menu-item "In Right Fringe" menu-bar-showhide-fringe-ind-right
 777               :help "Show buffer boundaries and arrows in right fringe"
 778               :visible (display-graphic-p)
 779               :button (:radio . (eq indicate-buffer-boundaries 'right))))
 780
 781 (defun menu-bar-showhide-fringe-ind-left ()
 782   "Display buffer boundaries and arrows in the left fringe."
 783   (interactive)
 784   (customize-set-variable 'indicate-buffer-boundaries 'left))
 785
 786 (define-key menu-bar-showhide-fringe-ind-menu [left]
 787   '(menu-item "In Left Fringe" menu-bar-showhide-fringe-ind-left
 788               :help "Show buffer boundaries and arrows in left fringe"
 789               :visible (display-graphic-p)
 790               :button (:radio . (eq indicate-buffer-boundaries 'left))))
 791
 792 (defun menu-bar-showhide-fringe-ind-none ()
 793   "Do not display any buffer boundary indicators."
 794   (interactive)
 795   (customize-set-variable 'indicate-buffer-boundaries nil))
 796
 797 (define-key menu-bar-showhide-fringe-ind-menu [none]
 798   '(menu-item "No Indicators" menu-bar-showhide-fringe-ind-none
 799               :help "Hide all buffer boundary indicators and arrows"
 800               :visible (display-graphic-p)
 801               :button (:radio . (eq indicate-buffer-boundaries nil))))
 802
 803 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 804   (list 'menu-item "Buffer Boundaries" menu-bar-showhide-fringe-ind-menu
 805         :visible `(display-graphic-p)
 806         :help "Indicate buffer boundaries in fringe"))
 807
 808 (define-key menu-bar-showhide-fringe-menu [indicate-empty-lines]
 809   (menu-bar-make-toggle toggle-indicate-empty-lines indicate-empty-lines
 810                         "Empty Line Indicators"
 811                         "Indicating of empty lines %s"
 812                         "Indicate trailing empty lines in fringe"))
 813
 814 (defun menu-bar-showhide-fringe-menu-customize ()
 815   "Show customization buffer for `fringe-mode'."
 816   (interactive)
 817   (customize-variable 'fringe-mode))
 818
 819 (define-key menu-bar-showhide-fringe-menu [customize]
 820   '(menu-item "Customize Fringe" menu-bar-showhide-fringe-menu-customize
 821               :help "Detailed customization of fringe"
 822               :visible (display-graphic-p)))
 823
 824 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 825   "Reset the fringe mode: display fringes on both sides of a window."
 826   (interactive)
 827   (customize-set-variable 'fringe-mode nil))
 828
 829 (define-key menu-bar-showhide-fringe-menu [default]
 830   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 831               :help "Default width fringe on both left and right side"
 832               :visible (display-graphic-p)
 833               :button (:radio . (eq fringe-mode nil))))
 834
 835 (defun menu-bar-showhide-fringe-menu-customize-left ()
 836   "Display fringes only on the left of each window."
 837   (interactive)
 838   (require 'fringe)
 839   (customize-set-variable 'fringe-mode '(nil . 0)))
 840
 841 (define-key menu-bar-showhide-fringe-menu [left]
 842   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 843               :help "Fringe only on the left side"
 844               :visible (display-graphic-p)
 845               :button (:radio . (equal fringe-mode '(nil . 0)))))
 846
 847 (defun menu-bar-showhide-fringe-menu-customize-right ()
 848   "Display fringes only on the right of each window."
 849   (interactive)
 850   (require 'fringe)
 851   (customize-set-variable 'fringe-mode '(0 . nil)))
 852
 853 (define-key menu-bar-showhide-fringe-menu [right]
 854   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 855               :help "Fringe only on the right side"
 856               :visible (display-graphic-p)
 857               :button (:radio . (equal fringe-mode '(0 . nil)))))
 858
 859 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 860   "Do not display window fringes."
 861   (interactive)
 862   (require 'fringe)
 863   (customize-set-variable 'fringe-mode 0))
 864
 865 (define-key menu-bar-showhide-fringe-menu [none]
 866   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 867               :help "Turn off fringe"
 868               :visible (display-graphic-p)
 869               :button (:radio . (eq fringe-mode 0))))
 870
 871 (define-key menu-bar-showhide-menu [showhide-fringe]
 872   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 873         :visible `(display-graphic-p)
 874         :help "Select fringe mode"))
 875
 876 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 877
 878 (define-key menu-bar-showhide-scroll-bar-menu [right]
 879   '(menu-item "On the Right"
 880               menu-bar-right-scroll-bar
 881               :help "Scroll-bar on the right side"
 882               :visible (display-graphic-p)
 883               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 884                                                (frame-parameters))) 'right))))
 885 (defun menu-bar-right-scroll-bar ()
 886   "Display scroll bars on the right of each window."
 887   (interactive)
 888   (customize-set-variable 'scroll-bar-mode 'right))
 889
 890 (define-key menu-bar-showhide-scroll-bar-menu [left]
 891   '(menu-item "On the Left"
 892               menu-bar-left-scroll-bar
 893               :help "Scroll-bar on the left side"
 894               :visible (display-graphic-p)
 895               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 896                                                (frame-parameters))) 'left))))
 897
 898 (defun menu-bar-left-scroll-bar ()
 899   "Display scroll bars on the left of each window."
 900   (interactive)
 901   (customize-set-variable 'scroll-bar-mode 'left))
 902
 903 (define-key menu-bar-showhide-scroll-bar-menu [none]
 904   '(menu-item "None"
 905               menu-bar-no-scroll-bar
 906               :help "Turn off scroll-bar"
 907               :visible (display-graphic-p)
 908               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 909                                                (frame-parameters))) nil))))
 910
 911 (defun menu-bar-no-scroll-bar ()
 912   "Turn off scroll bars."
 913   (interactive)
 914   (customize-set-variable 'scroll-bar-mode nil))
 915
 916 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 917   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 918         :visible `(display-graphic-p)
 919         :help "Select scroll-bar mode"))
 920
 921 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 922   (list 'menu-item "Tooltips" 'tooltip-mode
 923         :help "Toggle tooltips on/off"
 924         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 925         :button `(:toggle . tooltip-mode)))
 926
 927 (define-key menu-bar-showhide-menu [menu-bar-mode]
 928   '(menu-item "Menu-bar" menu-bar-mode
 929               :help "Toggle menu-bar on/off"
 930               :button (:toggle . menu-bar-mode)))
 931
 932 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 933   (list 'menu-item "Tool-bar" 'tool-bar-mode
 934         :help "Turn tool-bar on/off"
 935         :visible `(display-graphic-p)
 936         :button `(:toggle . tool-bar-mode)))
 937
 938 (define-key menu-bar-options-menu [showhide]
 939   (list 'menu-item "Show/Hide" menu-bar-showhide-menu
 940         :help "Toggle on/off various display features"))
 941
 942 (define-key menu-bar-options-menu [showhide-separator]
 943   '("--"))
 944
 945 (define-key menu-bar-options-menu [mule]
 946   ;; It is better not to use backquote here,
 947   ;; because that makes a bootstrapping problem
 948   ;; if you need to recompile all the Lisp files using interpreted code.
 949   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 950 ;; Most of the MULE menu actually does make sense in unibyte mode,
 951 ;; e.g. language selection.
 952 ;;;     ':visible 'default-enable-multibyte-characters
 953         ':help "Default language, encodings, input method"))
 954 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 955 ;(define-key menu-bar-options-menu [preferences]
 956 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 957 ;       :help "Toggle important global options"))
 958
 959 (define-key menu-bar-options-menu [mule-separator]
 960   '("--"))
 961
 962 (define-key menu-bar-options-menu [debug-on-quit]
 963   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 964                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 965                         "Enter Lisp debugger when C-g is pressed"))
 966 (define-key menu-bar-options-menu [debug-on-error]
 967   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 968                         "Enter Debugger on Error" "Debug on Error %s"
 969                         "Enter Lisp debugger when an error is signaled"))
 970 (define-key menu-bar-options-menu [debugger-separator]
 971   '("--"))
 972
 973 (define-key menu-bar-options-menu [blink-cursor-mode]
 974   (menu-bar-make-mm-toggle blink-cursor-mode
 975                            "Blinking Cursor"
 976                            "Whether the cursor blinks (Blink Cursor mode)"))
 977 (define-key menu-bar-options-menu [cursor-separator]
 978   '("--"))
 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                            (:visible (or (not (boundp 'cua-enable-cua-keys))
1008                                          cua-enable-cua-keys))))
1009
1010 (define-key menu-bar-options-menu [cua-emulation-mode]
1011   (menu-bar-make-mm-toggle cua-mode
1012                            "Shift movement mark region (CUA)"
1013                            "Use shifted movement keys to set and extend the region."
1014                            (:visible (and (boundp 'cua-enable-cua-keys)
1015                                           (not cua-enable-cua-keys)))))
1016
1017 (define-key menu-bar-options-menu [case-fold-search]
1018   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1019                         "Case-Insensitive Search"
1020                         "Case-Insensitive Search %s"
1021                         "Ignore letter-case in search"))
1022
1023 (defun menu-bar-text-mode-auto-fill ()
1024   (interactive)
1025   (toggle-text-mode-auto-fill)
1026   ;; This is somewhat questionable, as `text-mode-hook'
1027   ;; might have changed outside customize.
1028   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1029   (customize-mark-as-set 'text-mode-hook))
1030
1031 (define-key menu-bar-options-menu [auto-fill-mode]
1032   '(menu-item "Word Wrap in Text Modes"
1033               menu-bar-text-mode-auto-fill
1034               :help "Automatically fill text between left and right margins (Auto Fill)"
1035               :button (:toggle . (if (listp text-mode-hook)
1036                                      (member 'turn-on-auto-fill text-mode-hook)
1037                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1038 (define-key menu-bar-options-menu [truncate-lines]
1039   '(menu-item "Truncate Long Lines in this Buffer"
1040               toggle-truncate-lines
1041               :help "Truncate long lines on the screen"
1042               :button (:toggle . truncate-lines)
1043               :enable (menu-bar-menu-frame-live-and-visible-p)))
1044
1045 (define-key menu-bar-options-menu [highlight-separator]
1046   '("--"))
1047 (define-key menu-bar-options-menu [highlight-paren-mode]
1048   (menu-bar-make-mm-toggle show-paren-mode
1049                            "Paren Match Highlighting"
1050                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1051 (define-key menu-bar-options-menu [transient-mark-mode]
1052   (menu-bar-make-mm-toggle transient-mark-mode
1053                            "Active Region Highlighting"
1054                            "Make text in active region stand out in color (Transient Mark mode)"
1055                            (:enable (not cua-mode))))
1056 (define-key menu-bar-options-menu [toggle-global-lazy-font-lock-mode]
1057   (menu-bar-make-mm-toggle global-font-lock-mode
1058                            "Syntax Highlighting"
1059                            "Colorize text based on language syntax (Global Font Lock mode)"))
1060
1061 \f
1062 ;; The "Tools" menu items
1063
1064 (defun send-mail-item-name ()
1065   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1066                                      (mh-e-user-agent . "MH")
1067                                      (message-user-agent . "Gnus Message")
1068                                      (gnus-user-agent . "Gnus")))
1069          (name (assq mail-user-agent known-send-mail-commands)))
1070     (if name
1071         (setq name (cdr name))
1072       (setq name (symbol-name mail-user-agent))
1073       (if (string-match "\\(.+\\)-user-agent" name)
1074           (setq name (match-string 1 name))))
1075     name))
1076
1077 (defun read-mail-item-name ()
1078   (let* ((known-rmail-commands '((rmail . "RMAIL")
1079                                  (mh-rmail . "MH")
1080                                  (gnus . "Gnus")))
1081          (known (assq read-mail-command known-rmail-commands)))
1082     (if known (cdr known) (symbol-name read-mail-command))))
1083
1084 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1085
1086 (define-key menu-bar-tools-menu [games]
1087   (list 'menu-item "Games" menu-bar-games-menu))
1088
1089 (define-key menu-bar-tools-menu [separator-games]
1090   '("--"))
1091
1092 (define-key menu-bar-games-menu [zone]
1093   '(menu-item "Zone Out"  zone
1094               :help "Play tricks with Emacs display when Emacs is idle"))
1095 (define-key menu-bar-games-menu [yow]
1096   '(menu-item "Random Quotation"  yow
1097               :help "Display a random Zippy quotation"))
1098 (define-key menu-bar-games-menu [tetris]
1099   '(menu-item "Tetris"  tetris))
1100 (define-key menu-bar-games-menu [solitaire]
1101   '(menu-item "Solitaire"  solitaire))
1102 (define-key menu-bar-games-menu [snake]
1103   '(menu-item "Snake"  snake
1104               :help "Move snake around avoiding collisions"))
1105 (define-key menu-bar-games-menu [mult]
1106   '(menu-item "Multiplication Puzzle"  mpuz
1107               :help "Exercise brain with multiplication"))
1108 (define-key menu-bar-games-menu [life]
1109   '(menu-item "Life"  life
1110               :help "Watch how John Conway's cellular automaton evolves"))
1111 (define-key menu-bar-games-menu [hanoi]
1112   '(menu-item "Towers of Hanoi" hanoi
1113               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1114 (define-key menu-bar-games-menu [gomoku]
1115   '(menu-item "Gomoku"  gomoku
1116               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1117 (define-key menu-bar-games-menu [black-box]
1118   '(menu-item "Blackbox"  blackbox
1119               :help "Find balls in a black box by shooting rays"))
1120 (define-key menu-bar-games-menu [adventure]
1121   '(menu-item "Adventure"  dunnet
1122               :help "Dunnet, a text Adventure game for Emacs"))
1123 (define-key menu-bar-games-menu [5x5]
1124   '(menu-item "5x5" 5x5
1125               :help "Fill in all the squares on a 5x5 board"))
1126
1127 (define-key menu-bar-tools-menu [simple-calculator]
1128   '(menu-item "Simple Calculator" calculator
1129               :help "Invoke the Emacs built-in quick calculator"))
1130 (define-key menu-bar-tools-menu [calc]
1131   '(menu-item "Programmable Calculator" calc
1132               :help "Invoke the Emacs built-in full scientific calculator"))
1133 (define-key menu-bar-tools-menu [calendar]
1134   '(menu-item "Display Calendar" calendar))
1135
1136 (define-key menu-bar-tools-menu [separator-net]
1137   '("--"))
1138
1139 (define-key menu-bar-tools-menu [directory-search]
1140   '(menu-item "Directory Search" eudc-tools-menu
1141               :help "Query directory servers via LDAP, CCSO PH/QI or BBDB"))
1142 (define-key menu-bar-tools-menu [compose-mail]
1143   (list
1144    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1145    'compose-mail
1146    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1147    :help "Send a mail message"))
1148 (define-key menu-bar-tools-menu [rmail]
1149   (list
1150    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1151    'menu-bar-read-mail
1152    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1153    :help "Read your mail and reply to it"))
1154
1155 (defun menu-bar-read-mail ()
1156   "Read mail using `read-mail-command'."
1157   (interactive)
1158   (call-interactively read-mail-command))
1159
1160 (define-key menu-bar-tools-menu [gnus]
1161   '(menu-item "Read Net News (Gnus)" gnus
1162               :help "Read network news groups"))
1163
1164 (define-key menu-bar-tools-menu [separator-vc]
1165   '("--"))
1166
1167 (defvar vc-menu-map (make-sparse-keymap "Version Control"))
1168 (define-key menu-bar-tools-menu [pcl-cvs]
1169   '(menu-item "PCL-CVS" cvs-global-menu
1170     :help "Module-level interface to CVS"))
1171 (define-key menu-bar-tools-menu [vc]
1172   (list 'menu-item "Version Control" vc-menu-map
1173         :help "Interface to RCS, CVS, SCCS"))
1174
1175 (define-key menu-bar-tools-menu [separator-compare]
1176   '("--"))
1177
1178 (define-key menu-bar-tools-menu [ediff-misc]
1179   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu
1180               :help "Ediff manual, customization, sessions, etc."))
1181 (define-key menu-bar-tools-menu [epatch]
1182   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1183 (define-key menu-bar-tools-menu [ediff-merge]
1184   '(menu-item "Merge" menu-bar-ediff-merge-menu
1185               :help "Merge different revisions of files/directories"))
1186 (define-key menu-bar-tools-menu [compare]
1187   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu
1188               :help "Display differences between files/directories"))
1189
1190
1191 (define-key menu-bar-tools-menu [separator-spell]
1192   '("--"))
1193
1194 (define-key menu-bar-tools-menu [spell]
1195   '(menu-item "Spell Checking" ispell-menu-map))
1196
1197 (define-key menu-bar-tools-menu [separator-prog]
1198   '("--"))
1199
1200 (define-key menu-bar-tools-menu [gdb]
1201   '(menu-item "Debugger (GDB)..." gdb
1202               :help "Debug a program from within Emacs with GDB"))
1203 (define-key menu-bar-tools-menu [shell-on-region]
1204   '(menu-item "Shell Command on Region..." shell-command-on-region
1205               :enable mark-active
1206               :help "Pass marked region to a shell command"))
1207 (define-key menu-bar-tools-menu [shell]
1208   '(menu-item "Shell Command..." shell-command
1209               :help "Invoke a shell command and catch its output"))
1210 (define-key menu-bar-tools-menu [compile]
1211   '(menu-item "Compile..." compile
1212               :help "Invoke compiler or Make, view compilation errors"))
1213 (define-key menu-bar-tools-menu [grep]
1214   '(menu-item "Search Files (with grep)..." grep
1215               :help "Search files for strings or regexps (with grep)"))
1216
1217 \f
1218 ;; The "Help" menu items
1219
1220 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1221
1222 (define-key menu-bar-describe-menu [mule-diag]
1223   '(menu-item "Show All of Mule Status" mule-diag
1224               :visible default-enable-multibyte-characters
1225               :help "Display multilingual environment settings"))
1226 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1227   '(menu-item "Describe Coding System (Briefly)..."
1228               describe-current-coding-system-briefly
1229               :visible default-enable-multibyte-characters))
1230 (define-key menu-bar-describe-menu [describe-coding-system]
1231   '(menu-item "Describe Coding System..." describe-coding-system
1232               :visible default-enable-multibyte-characters))
1233 (define-key menu-bar-describe-menu [describe-input-method]
1234   '(menu-item "Describe Input Method..." describe-input-method
1235               :visible default-enable-multibyte-characters
1236               :help "Keyboard layout for specific input method"))
1237 (define-key menu-bar-describe-menu [describe-language-environment]
1238   (list 'menu-item "Describe Language Environment"
1239         describe-language-environment-map
1240         :help "Show multilingual settings for a specific language"))
1241
1242 (define-key menu-bar-describe-menu [separator-desc-mule]
1243   '("--"))
1244
1245 (define-key menu-bar-describe-menu [list-keybindings]
1246   '(menu-item "List Key Bindings" describe-bindings
1247               :help "Display a list of all current keybindings"))
1248 (define-key menu-bar-describe-menu [describe-current-display-table]
1249   '(menu-item "Describe Display Table" describe-current-display-table
1250               :help "Describe the current display table"))
1251 (define-key menu-bar-describe-menu [describe-face]
1252   '(menu-item "Describe Face..." describe-face
1253               :help "Display the properties of a face"))
1254 (define-key menu-bar-describe-menu [describe-variable]
1255   '(menu-item "Describe Variable..." describe-variable
1256               :help "Display documentation of variable/option"))
1257 (define-key menu-bar-describe-menu [describe-function]
1258   '(menu-item "Describe Function..." describe-function
1259               :help "Display documentation of function/command"))
1260 (define-key menu-bar-describe-menu [describe-key-1]
1261   '(menu-item "Describe Key or Mouse Operation..." describe-key
1262               ;; Users typically don't identify keys and menu items...
1263               :help "Display documentation of command bound to a \
1264 key, a click, or a menu-item"))
1265 (define-key menu-bar-describe-menu [describe-mode]
1266   '(menu-item "Describe Buffer Modes" describe-mode
1267               :help "Describe this buffer's major and minor mode"))
1268
1269 (defvar menu-bar-apropos-menu (make-sparse-keymap "Apropos"))
1270 (defun menu-bar-read-lispref ()
1271   "Display the Emacs Lisp Reference manual in Info mode."
1272   (interactive)
1273   (info "elisp"))
1274
1275 (defun menu-bar-read-lispintro ()
1276   "Display the Introduction to Emacs Lisp Programming in Info mode."
1277   (interactive)
1278   (info "eintr"))
1279
1280 (defun search-emacs-glossary ()
1281   "Display the Glossary node of the Emacs manual in Info mode."
1282   (interactive)
1283   (info "(emacs)Glossary"))
1284
1285 (defun emacs-index-search (topic)
1286   "Look up TOPIC in the indices of the Emacs User Manual."
1287   (interactive "sSubject to look up: ")
1288   (info "emacs")
1289   (Info-index topic))
1290
1291 (defun elisp-index-search (topic)
1292   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1293   (interactive "sSubject to look up: ")
1294   (info "elisp")
1295   (Info-index topic))
1296
1297 (define-key menu-bar-apropos-menu [apropos-documentation]
1298   '(menu-item "Search Documentation Strings..." apropos-documentation
1299               :help
1300               "Find functions and variables whose doc strings match a regexp"))
1301 (define-key menu-bar-apropos-menu [apropos]
1302   '(menu-item "Find Any Object by Name..."  apropos
1303               :help "Find symbols of any kind whose names match a regexp"))
1304 (define-key menu-bar-apropos-menu [apropos-value]
1305   '(menu-item "Find Options by Value..." apropos-value
1306               :help "Find variables whose values match a regexp"))
1307 (define-key menu-bar-apropos-menu [apropos-variables]
1308   '(menu-item "Find Options by Name..." apropos-variable
1309               :help "Find variables whose names match a regexp"))
1310 (define-key menu-bar-apropos-menu [apropos-commands]
1311   '(menu-item "Find Commands by Name..." apropos-command
1312               :help "Find commands whose names match a regexp"))
1313 (define-key menu-bar-apropos-menu [sep1]
1314   '("--"))
1315 (define-key menu-bar-apropos-menu [elisp-index-search]
1316   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1317               :help "Find description of a subject in Emacs Lisp manual"))
1318 (define-key menu-bar-apropos-menu [emacs-index-search]
1319   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1320               :help "Find description of a subject in Emacs User manual"))
1321 (define-key menu-bar-apropos-menu [emacs-glossary]
1322   '(menu-item "Emacs Terminology" search-emacs-glossary
1323               :help "Display the Glossary section of the Emacs manual"))
1324
1325 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1326
1327 (define-key menu-bar-manuals-menu [man]
1328   '(menu-item "Read Man Page..." manual-entry
1329               :help "Man-page docs for external commands and libraries"))
1330 (define-key menu-bar-manuals-menu [sep2]
1331   '("--"))
1332 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1333   '(menu-item "Ordering Manuals" view-order-manuals
1334               :help "How to order manuals from the Free Software Foundation"))
1335 (define-key menu-bar-manuals-menu [info]
1336   '(menu-item "All Other Manuals (Info)" Info-directory
1337               :help "Read any of the installed manuals"))
1338 (define-key menu-bar-manuals-menu [info-elisp]
1339   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1340               :help "Read the Emacs Lisp Reference manual"))
1341 (define-key menu-bar-manuals-menu [info-elintro]
1342   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1343               :help "Read the Introduction to Emacs Lisp Programming"))
1344 (define-key menu-bar-manuals-menu [sep3]
1345   '("--"))
1346 (define-key menu-bar-manuals-menu [command]
1347   '(menu-item "Find Command in Manual..." Info-goto-emacs-command-node
1348               :help "Display manual section that describes a command"))
1349 (define-key menu-bar-manuals-menu [key]
1350   '(menu-item "Find Key in Manual..." Info-goto-emacs-key-command-node
1351               :help "Display manual section that describes a key"))
1352
1353 (define-key menu-bar-help-menu [eliza]
1354   '(menu-item "Emacs Psychotherapist" doctor
1355               :help "Our doctor will help you feel better"))
1356 (define-key menu-bar-help-menu [sep4]
1357   '("--"))
1358 (define-key menu-bar-help-menu [describe-no-warranty]
1359   '(menu-item "(Non)Warranty" describe-no-warranty
1360               :help "Explain that Emacs has NO WARRANTY"))
1361 (define-key menu-bar-help-menu [describe-copying]
1362   '(menu-item "Copying Conditions" describe-copying
1363               :help "Show the Emacs license (GPL)"))
1364 (define-key menu-bar-help-menu [describe-distribution]
1365   '(menu-item "Getting New Versions" describe-distribution
1366               :help "How to get latest versions of Emacs"))
1367 (define-key menu-bar-help-menu [more]
1368   '(menu-item "Find Extra Packages"
1369               menu-bar-help-extra-packages
1370               :help "Where to find some extra packages and possible updates"))
1371 (defun menu-bar-help-extra-packages ()
1372   "Display help about some additional packages available for Emacs."
1373   (interactive)
1374   (let (enable-local-variables)
1375     (view-file (expand-file-name "MORE.STUFF"
1376                                  data-directory))
1377     (goto-address)))
1378 (define-key menu-bar-help-menu [about]
1379   '(menu-item "About Emacs" display-splash-screen
1380               :help "Display version number, copyright info, and basic help"))
1381 (define-key menu-bar-help-menu [sep2]
1382   '("--"))
1383 (define-key menu-bar-help-menu [finder-by-keyword]
1384   '(menu-item "Find Emacs Packages" finder-by-keyword
1385               :help "Find packages and features by keyword"))
1386 (define-key menu-bar-help-menu [manuals]
1387   (list 'menu-item "More Manuals" menu-bar-manuals-menu
1388         :help "Search and browse on-line manuals"))
1389 (define-key menu-bar-help-menu [emacs-manual]
1390   '(menu-item "Read the Emacs Manual" info-emacs-manual
1391               :help "Full documentation of Emacs features"))
1392 (define-key menu-bar-help-menu [describe]
1393   (list 'menu-item "Describe" menu-bar-describe-menu
1394         :help "Describe commands, variables, keys"))
1395 (define-key menu-bar-help-menu [apropos]
1396   (list 'menu-item "Search Documentation" menu-bar-apropos-menu
1397         :help "Look up terms, find commands, options, etc. (Apropos)"))
1398 (define-key menu-bar-help-menu [sep1]
1399   '("--"))
1400 (define-key menu-bar-help-menu [report-emacs-bug]
1401   '(menu-item "Send Bug Report..." report-emacs-bug
1402               :help "Send e-mail to Emacs maintainers"))
1403 (define-key menu-bar-help-menu [emacs-problems]
1404   '(menu-item "Emacs Known Problems" view-emacs-problems))
1405 (define-key menu-bar-help-menu [emacs-news]
1406   '(menu-item "Emacs News" view-emacs-news
1407               :help "New features of this version"))
1408 (define-key menu-bar-help-menu [emacs-faq]
1409   '(menu-item "Emacs FAQ" view-emacs-FAQ))
1410
1411 (defun help-with-tutorial-spec-language ()
1412   "Use the Emacs tutorial, specifying which language you want."
1413   (interactive)
1414   (help-with-tutorial t))
1415
1416 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1417   '(menu-item "Emacs Tutorial (choose language)..."
1418               help-with-tutorial-spec-language
1419               :help "Learn how to use Emacs (choose a language)"))
1420 (define-key menu-bar-help-menu [emacs-tutorial]
1421   '(menu-item "Emacs Tutorial" help-with-tutorial
1422               :help "Learn how to use Emacs"))
1423
1424 (defun menu-bar-menu-frame-live-and-visible-p ()
1425   "Return non-nil if the menu frame is alive and visible.
1426 The menu frame is the frame for which we are updating the menu."
1427   (let ((menu-frame (if (display-multi-frame-p) menu-updating-frame
1428                       (selected-frame))))
1429     (and (frame-live-p menu-frame)
1430          (frame-visible-p menu-frame))))
1431
1432 (defun menu-bar-non-minibuffer-window-p ()
1433   "Return non-nil if selected window of the menu frame is not a minibuf window.
1434
1435 See the documentation of `menu-bar-menu-frame-live-and-visible-p'
1436 for the definition of the menu frame."
1437   (let ((menu-frame (if (display-multi-frame-p) menu-updating-frame
1438                       (selected-frame))))
1439     (not (window-minibuffer-p (frame-selected-window menu-frame)))))
1440
1441 (defun kill-this-buffer ()      ; for the menubar
1442   "Kill the current buffer."
1443   (interactive)
1444   (kill-buffer (current-buffer)))
1445
1446 (defun kill-this-buffer-enabled-p ()
1447   (let ((count 0)
1448         (buffers (buffer-list)))
1449     (while buffers
1450       (or (string-match "^ " (buffer-name (car buffers)))
1451           (setq count (1+ count)))
1452       (setq buffers (cdr buffers)))
1453     (and (menu-bar-non-minibuffer-window-p)
1454          (> count 1))))
1455
1456 (put 'dired 'menu-enable '(menu-bar-non-minibuffer-window-p))
1457
1458 ;; Permit deleting frame if it would leave a visible or iconified frame.
1459 (defun delete-frame-enabled-p ()
1460   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1461   (let ((frames (frame-list))
1462         (count 0))
1463     (while frames
1464       (if (frame-visible-p (car frames))
1465           (setq count (1+ count)))
1466       (setq frames (cdr frames)))
1467     (> count 1)))
1468
1469 (defcustom yank-menu-length 20
1470   "*Maximum length to display in the yank-menu."
1471   :type 'integer
1472   :group 'mouse)
1473
1474 (defun menu-bar-update-yank-menu (string old)
1475   (let ((front (car (cdr yank-menu)))
1476         (menu-string (if (<= (length string) yank-menu-length)
1477                          string
1478                        (concat
1479                         (substring string 0 (/ yank-menu-length 2))
1480                         "..."
1481                         (substring string (- (/ yank-menu-length 2)))))))
1482     ;; Don't let the menu string be all dashes
1483     ;; because that has a special meaning in a menu.
1484     (if (string-match "\\`-+\\'" menu-string)
1485         (setq menu-string (concat menu-string " ")))
1486     ;; If we're supposed to be extending an existing string, and that
1487     ;; string really is at the front of the menu, then update it in place.
1488     (if (and old (or (eq old (car front))
1489                      (string= old (car front))))
1490         (progn
1491           (setcar front string)
1492           (setcar (cdr front) menu-string))
1493       (setcdr yank-menu
1494               (cons
1495                (cons string (cons menu-string 'menu-bar-select-yank))
1496                (cdr yank-menu)))))
1497   (if (> (length (cdr yank-menu)) kill-ring-max)
1498       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1499
1500 (put 'menu-bar-select-yank 'apropos-inhibit t)
1501 (defun menu-bar-select-yank ()
1502   (interactive "*")
1503   (push-mark (point))
1504   (insert last-command-event))
1505
1506 \f
1507 (defcustom buffers-menu-show-directories 'unless-uniquify
1508   "If non-nil, show directories in the Buffers menu for buffers that have them.
1509 The special value `unless-uniquify' means that directories will be shown
1510 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1511 names should include enough of a buffer's directory to distinguish it
1512 from other buffers).
1513
1514 Setting this variable directly does not take effect until next time the
1515 Buffers menu is regenerated."
1516   :set (lambda (symbol value)
1517          (set symbol value)
1518          (menu-bar-update-buffers t))
1519   :initialize 'custom-initialize-default
1520   :type '(choice (const :tag "Never" nil)
1521                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1522                  (const :tag "Always" t))
1523   :group 'menu)
1524
1525 (defcustom buffers-menu-show-status t
1526   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1527 Setting this variable directly does not take effect until next time the
1528 Buffers menu is regenerated."
1529   :set (lambda (symbol value)
1530          (set symbol value)
1531          (menu-bar-update-buffers t))
1532   :initialize 'custom-initialize-default
1533   :type 'boolean
1534   :group 'menu)
1535
1536 (defvar list-buffers-directory nil)
1537
1538 (defvar menu-bar-update-buffers-maxbuf)
1539
1540 (defun menu-bar-select-buffer ()
1541   (interactive)
1542   (switch-to-buffer last-command-event))
1543
1544 (defun menu-bar-select-frame ()
1545   (interactive)
1546   (let (frame)
1547     (dolist (f (frame-list))
1548       (when (equal last-command-event (frame-parameter f 'name))
1549         (setq frame f)))
1550     ;; FRAME can be nil when user specifies the selected frame.
1551     (setq frame (or frame (selected-frame)))
1552     (make-frame-visible frame)
1553     (raise-frame frame)
1554     (select-frame frame)))
1555
1556 (defun menu-bar-update-buffers-1 (elt)
1557   (let* ((buf (car elt))
1558          (file
1559           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1560                    (or (not (boundp 'uniquify-buffer-name-style))
1561                        (null uniquify-buffer-name-style))
1562                  buffers-menu-show-directories)
1563                (or (buffer-file-name buf)
1564                    (buffer-local-value 'list-buffers-directory buf)))))
1565     (when file
1566       (setq file (file-name-directory file)))
1567     (when (and file (> (length file) 20))
1568       (setq file (concat "..." (substring file -17))))
1569     (cons (if buffers-menu-show-status
1570               (let ((mod (if (buffer-modified-p buf) "*" ""))
1571                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1572                 (if file
1573                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1574                   (format "%s  %s%s" (cdr elt) mod ro)))
1575             (if file
1576                 (format "%s  --  %s"  (cdr elt) file)
1577               (cdr elt)))
1578           buf)))
1579
1580 ;; Used to cache the menu entries for commands in the Buffers menu
1581 (defvar menu-bar-buffers-menu-command-entries nil)
1582
1583 (defun menu-bar-update-buffers (&optional force)
1584   ;; If user discards the Buffers item, play along.
1585   (and (lookup-key (current-global-map) [menu-bar buffer])
1586        (or force (frame-or-buffer-changed-p))
1587        (let ((buffers (buffer-list))
1588              (frames (frame-list))
1589              buffers-menu frames-menu)
1590          ;; If requested, list only the N most recently selected buffers.
1591          (if (and (integerp buffers-menu-max-size)
1592                   (> buffers-menu-max-size 1))
1593              (if (> (length buffers) buffers-menu-max-size)
1594                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1595
1596          ;; Make the menu of buffers proper.
1597          (setq buffers-menu
1598                (let* ((buffer-list
1599                        (mapcar 'list buffers))
1600                       (menu-bar-update-buffers-maxbuf 0)
1601                       alist)
1602                  ;; Put into each element of buffer-list
1603                  ;; the name for actual display,
1604                  ;; perhaps truncated in the middle.
1605                  (dolist (buf buffer-list)
1606                    (let ((name (buffer-name (car buf))))
1607                      (setcdr buf
1608                              (if (> (length name) 27)
1609                                  (concat (substring name 0 12)
1610                                          "..."
1611                                          (substring name -12))
1612                                name))))
1613                  ;; Compute the maximum length of any name.
1614                  (dolist (buf buffer-list)
1615                    (unless (eq ?\  (aref (cdr buf) 0))
1616                      (setq menu-bar-update-buffers-maxbuf
1617                            (max menu-bar-update-buffers-maxbuf
1618                                 (length (cdr buf))))))
1619                  ;; Set ALIST to an alist of the form
1620                  ;; ITEM-STRING . BUFFER
1621                  (dolist (buf buffer-list)
1622                    (unless (eq ?\  (aref (cdr buf) 0))
1623                      (push (menu-bar-update-buffers-1 buf) alist)))
1624                  ;; Now make the actual list of items, and add
1625                  ;; some miscellaneous buffer commands to the end.
1626                  (mapcar (lambda (pair)
1627                            ;; This is somewhat risque, to use
1628                            ;; the buffer name itself as the event
1629                            ;; type to define, but it works.
1630                            ;; It would not work to use the buffer
1631                            ;; since a buffer as an event has its
1632                            ;; own meaning.
1633                            (nconc (list (buffer-name (cdr pair))
1634                                         (car pair)
1635                                         (cons nil nil))
1636                                   'menu-bar-select-buffer))
1637                          (nreverse alist))))
1638
1639          ;; Make a Frames menu if we have more than one frame.
1640          (when (cdr frames)
1641            (let ((frames-menu
1642                   (cons 'keymap
1643                         (cons "Select Frame"
1644                               (mapcar
1645                                (lambda (frame)
1646                                  (nconc
1647                                   (list (frame-parameter frame 'name)
1648                                         (frame-parameter frame 'name)
1649                                         (cons nil nil))
1650                                   'menu-bar-select-frame))
1651                                frames)))))
1652              ;; Put it after the normal buffers
1653              (setq buffers-menu
1654                    (nconc buffers-menu
1655                           `((frames-separator "--")
1656                             (frames menu-item "Frames" ,frames-menu))))))
1657
1658          ;; Add in some normal commands at the end of the menu.  We use
1659          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1660          ;; if it's been set already.  Note that we can't use constant
1661          ;; lists for the menu-entries, because the low-level menu-code
1662          ;; modifies them.
1663          (unless menu-bar-buffers-menu-command-entries
1664            (setq menu-bar-buffers-menu-command-entries
1665                  (list '(command-separator "--")
1666                        (list 'next-buffer
1667                              'menu-item
1668                              "Next Buffer"
1669                              'next-buffer
1670                              :help "Switch to the \"next\" buffer in a cyclic order")
1671                        (list 'prev-buffer
1672                              'menu-item
1673                              "Previous Buffer"
1674                              'prev-buffer
1675                              :help "Switch to the \"previous\" buffer in a cyclic order")
1676                        (list 'select-named-buffer
1677                              'menu-item
1678                              "Select Named Buffer..."
1679                              'switch-to-buffer
1680                              :help "Prompt for a buffer name, and select that buffer in the current window")
1681                        (list 'list-all-buffers
1682                              'menu-item
1683                              "List All Buffers"
1684                              'list-buffers
1685                              :help "Pop up a window listing all emacs buffers"
1686                              ))))
1687          (setq buffers-menu
1688                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1689
1690          (setq buffers-menu (cons 'keymap (cons "Select Buffer" buffers-menu)))
1691          (define-key (current-global-map) [menu-bar buffer]
1692            ;; Call copy-sequence so the string is not pure.
1693            (cons (copy-sequence "Buffers") buffers-menu)))))
1694
1695 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1696
1697 (menu-bar-update-buffers)
1698
1699 ;; this version is too slow
1700 ;;(defun format-buffers-menu-line (buffer)
1701 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1702 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1703 ;;  (if (string-match "\\` " (buffer-name buffer))
1704 ;;      nil
1705 ;;    (save-excursion
1706 ;;     (set-buffer buffer)
1707 ;;     (let ((size (buffer-size)))
1708 ;;       (format "%s%s %-19s %6s %-15s %s"
1709 ;;             (if (buffer-modified-p) "*" " ")
1710 ;;             (if buffer-read-only "%" " ")
1711 ;;             (buffer-name)
1712 ;;             size
1713 ;;             mode-name
1714 ;;             (or (buffer-file-name) ""))))))
1715 \f
1716 ;;; Set up a menu bar menu for the minibuffer.
1717
1718 (dolist (map (list minibuffer-local-map
1719                    ;; This shouldn't be necessary, but there's a funny
1720                    ;; bug in keymap.c that I don't understand yet.  -stef
1721                    minibuffer-local-completion-map))
1722   (define-key map [menu-bar minibuf]
1723     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1724
1725 (let ((map minibuffer-local-completion-map))
1726   (define-key map [menu-bar minibuf ?\?]
1727     (list 'menu-item "List Completions" 'minibuffer-completion-help
1728           :help "Display all possible completions"))
1729   (define-key map [menu-bar minibuf space]
1730     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1731           :help "Complete at most one word"))
1732   (define-key map [menu-bar minibuf tab]
1733     (list 'menu-item "Complete" 'minibuffer-complete
1734           :help "Complete as far as possible")))
1735
1736 (let ((map minibuffer-local-map))
1737   (define-key map [menu-bar minibuf quit]
1738     (list 'menu-item "Quit" 'keyboard-escape-quit
1739           :help "Abort input and exit minibuffer"))
1740   (define-key map [menu-bar minibuf return]
1741     (list 'menu-item "Enter" 'exit-minibuffer
1742           :help "Terminate input and exit minibuffer")))
1743 \f
1744 ;;;###autoload
1745 ;; This comment is taken from tool-bar.el near
1746 ;; (put 'tool-bar-mode ...)
1747 ;; We want to pretend the menu bar by standard is on, as this will make
1748 ;; customize consider disabling the menu bar a customization, and save
1749 ;; that.  We could do this for real by setting :init-value below, but
1750 ;; that would overwrite disabling the tool bar from X resources.
1751 (put 'menu-bar-mode 'standard-value '(t))
1752
1753 ;;;###autoload
1754 (define-minor-mode menu-bar-mode
1755   "Toggle display of a menu bar on each frame.
1756 This command applies to all frames that exist and frames to be
1757 created in the future.
1758 With a numeric argument, if the argument is positive,
1759 turn on menu bars; otherwise, turn off menu bars."
1760   :init-value nil
1761   :global t
1762   :group 'frames
1763   ;; Make menu-bar-mode and default-frame-alist consistent.
1764   (let ((lines (if menu-bar-mode 1 0)))
1765     ;; Alter existing frames...
1766     (mapc (lambda (frame)
1767             (modify-frame-parameters frame
1768                                      (list (cons 'menu-bar-lines lines))))
1769           (frame-list))
1770     ;; ...and future ones.
1771     (let ((elt (assq 'menu-bar-lines default-frame-alist)))
1772       (if elt
1773           (setcdr elt lines)
1774         (add-to-list 'default-frame-alist (cons 'menu-bar-lines lines)))))
1775
1776   ;; Make the message appear when Emacs is idle.  We can not call message
1777   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1778   ;; after this function returns, overwriting any message we do here.
1779   (when (and (interactive-p) (not menu-bar-mode))
1780     (run-with-idle-timer 0 nil 'message
1781                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1782   menu-bar-mode)
1783
1784 (provide 'menu-bar)
1785
1786 ;;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1787 ;;; menu-bar.el ends here