code.delx.au - gnu-emacs/blob - 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                                (listp 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                    blink-cursor-mode display-time-mode display-battery-mode))
 645       (and (customize-mark-to-save elt)
 646            (setq need-save t)))
 647     ;; These are set with `customize-set-variable'.
 648     (dolist (elt '(scroll-bar-mode
 649                    debug-on-quit debug-on-error
 650                    tooltip-mode menu-bar-mode tool-bar-mode
 651                    save-place uniquify-buffer-name-style fringe-mode
 652                    indicate-empty-lines indicate-buffer-boundaries
 653                    case-fold-search
 654                    current-language-environment default-input-method
 655                    ;; Saving `text-mode-hook' is somewhat questionable,
 656                    ;; as we might get more than we bargain for, if
 657                    ;; other code may has added hooks as well.
 658                    ;; Nonetheless, not saving it would like be confuse
 659                    ;; more often.
 660                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 661                    text-mode-hook))
 662       (and (get elt 'customized-value)
 663            (customize-mark-to-save elt)
 664            (setq need-save t)))
 665     ;; Save if we changed anything.
 666     (when need-save
 667       (custom-save-all))))
 668
 669 (define-key menu-bar-options-menu [save]
 670   '(menu-item "Save Options" menu-bar-options-save
 671               :help "Save options set from the menu above"))
 672
 673 (define-key menu-bar-options-menu [custom-separator]
 674   '("--"))
 675
 676 (define-key menu-bar-options-menu [mouse-set-font]
 677   '(menu-item "Set Font/Fontset..." mouse-set-font
 678                :visible (display-multi-font-p)
 679                :help "Select a font from list of known fonts/fontsets"))
 680
 681 ;; The "Show/Hide" submenu of menu "Options"
 682
 683 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 684
 685 (define-key menu-bar-showhide-menu [column-number-mode]
 686   (menu-bar-make-mm-toggle column-number-mode
 687                            "Column Numbers"
 688                            "Show the current column number in the mode line"))
 689
 690 (define-key menu-bar-showhide-menu [line-number-mode]
 691   (menu-bar-make-mm-toggle line-number-mode
 692                            "Line Numbers"
 693                            "Show the current line number in the mode line"))
 694
 695 (define-key menu-bar-showhide-menu [size-indication-mode]
 696   (menu-bar-make-mm-toggle size-indication-mode
 697                            "Size Indication"
 698                            "Show the size of the buffer in the mode line"))
 699
 700 (define-key menu-bar-showhide-menu [linecolumn-separator]
 701   '("--"))
 702
 703 (define-key menu-bar-showhide-menu [showhide-battery]
 704   (menu-bar-make-mm-toggle display-battery-mode
 705                            "Battery Status"
 706                            "Display battery status information in mode line"))
 707
 708 (define-key menu-bar-showhide-menu [showhide-date-time]
 709   (menu-bar-make-mm-toggle display-time-mode
 710                            "Time, Load and Mail"
 711                            "Display time, system load averages and \
 712 mail status in mode line"))
 713
 714 (define-key menu-bar-showhide-menu [datetime-separator]
 715   '("--"))
 716
 717 (define-key menu-bar-showhide-menu [showhide-speedbar]
 718   '(menu-item "Speedbar" speedbar-frame-mode
 719               :help "Display a Speedbar quick-navigation frame"
 720               :button (:toggle
 721                        . (and (boundp 'speedbar-frame)
 722                               (frame-live-p (symbol-value 'speedbar-frame))
 723                               (frame-visible-p
 724                                (symbol-value 'speedbar-frame))))))
 725
 726 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 727
 728 (defvar menu-bar-showhide-fringe-ind-menu
 729   (make-sparse-keymap "Buffer boundaries"))
 730
 731 (defun menu-bar-showhide-fringe-ind-customize ()
 732   "Show customization buffer for `indicate-buffer-boundaries'."
 733   (interactive)
 734   (customize-variable 'indicate-buffer-boundaries))
 735
 736 (define-key menu-bar-showhide-fringe-ind-menu [customize]
 737   '(menu-item "Other (Customize)"
 738               menu-bar-showhide-fringe-ind-customize
 739               :help "Additional choices available through Custom buffer"
 740               :visible (display-graphic-p)))
 741
 742 (defun menu-bar-showhide-fringe-ind-mixed ()
 743   "Display top and bottom indicators in opposite fringes, arrows in right."
 744   (interactive)
 745   (customize-set-variable 'indicate-buffer-boundaries
 746                           '((t . right) (top . left))))
 747
 748 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 749   '(menu-item "Opposite, Arrows Right" menu-bar-showhide-fringe-ind-mixed
 750               :help
 751               "Show top/bottom indicators in opposite fringes, arrows in right"
 752               :visible (display-graphic-p)
 753               :button (:radio . (eq indicate-buffer-boundaries
 754                                     '((t . right) (top . left))))))
 755
 756 (defun menu-bar-showhide-fringe-ind-box ()
 757   "Display top and bottom indicators in opposite fringes."
 758   (interactive)
 759   (customize-set-variable 'indicate-buffer-boundaries
 760                           '((top . left) (bottom . right))))
 761
 762 (define-key menu-bar-showhide-fringe-ind-menu [box]
 763   '(menu-item "Opposite, No Arrows" menu-bar-showhide-fringe-ind-box
 764               :help "Show top/bottom indicators in opposite fringes, no arrows"
 765               :visible (display-graphic-p)
 766               :button (:radio . (eq indicate-buffer-boundaries
 767                                     '((top . left) (bottom . right))))))
 768
 769 (defun menu-bar-showhide-fringe-ind-right ()
 770   "Display buffer boundaries and arrows in the right fringe."
 771   (interactive)
 772   (customize-set-variable 'indicate-buffer-boundaries 'right))
 773
 774 (define-key menu-bar-showhide-fringe-ind-menu [right]
 775   '(menu-item "In Right Fringe" menu-bar-showhide-fringe-ind-right
 776               :help "Show buffer boundaries and arrows in right fringe"
 777               :visible (display-graphic-p)
 778               :button (:radio . (eq indicate-buffer-boundaries 'right))))
 779
 780 (defun menu-bar-showhide-fringe-ind-left ()
 781   "Display buffer boundaries and arrows in the left fringe."
 782   (interactive)
 783   (customize-set-variable 'indicate-buffer-boundaries 'left))
 784
 785 (define-key menu-bar-showhide-fringe-ind-menu [left]
 786   '(menu-item "In Left Fringe" menu-bar-showhide-fringe-ind-left
 787               :help "Show buffer boundaries and arrows in left fringe"
 788               :visible (display-graphic-p)
 789               :button (:radio . (eq indicate-buffer-boundaries 'left))))
 790
 791 (defun menu-bar-showhide-fringe-ind-none ()
 792   "Do not display any buffer boundary indicators."
 793   (interactive)
 794   (customize-set-variable 'indicate-buffer-boundaries nil))
 795
 796 (define-key menu-bar-showhide-fringe-ind-menu [none]
 797   '(menu-item "No Indicators" menu-bar-showhide-fringe-ind-none
 798               :help "Hide all buffer boundary indicators and arrows"
 799               :visible (display-graphic-p)
 800               :button (:radio . (eq indicate-buffer-boundaries nil))))
 801
 802 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 803   (list 'menu-item "Buffer Boundaries" menu-bar-showhide-fringe-ind-menu
 804         :visible `(display-graphic-p)
 805         :help "Indicate buffer boundaries in fringe"))
 806
 807 (define-key menu-bar-showhide-fringe-menu [indicate-empty-lines]
 808   (menu-bar-make-toggle toggle-indicate-empty-lines indicate-empty-lines
 809                         "Empty Line Indicators"
 810                         "Indicating of empty lines %s"
 811                         "Indicate trailing empty lines in fringe"))
 812
 813 (defun menu-bar-showhide-fringe-menu-customize ()
 814   "Show customization buffer for `fringe-mode'."
 815   (interactive)
 816   (customize-variable 'fringe-mode))
 817
 818 (define-key menu-bar-showhide-fringe-menu [customize]
 819   '(menu-item "Customize Fringe" menu-bar-showhide-fringe-menu-customize
 820               :help "Detailed customization of fringe"
 821               :visible (display-graphic-p)))
 822
 823 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 824   "Reset the fringe mode: display fringes on both sides of a window."
 825   (interactive)
 826   (customize-set-variable 'fringe-mode nil))
 827
 828 (define-key menu-bar-showhide-fringe-menu [default]
 829   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 830               :help "Default width fringe on both left and right side"
 831               :visible (display-graphic-p)
 832               :button (:radio . (eq fringe-mode nil))))
 833
 834 (defun menu-bar-showhide-fringe-menu-customize-left ()
 835   "Display fringes only on the left of each window."
 836   (interactive)
 837   (require 'fringe)
 838   (customize-set-variable 'fringe-mode '(nil . 0)))
 839
 840 (define-key menu-bar-showhide-fringe-menu [left]
 841   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 842               :help "Fringe only on the left side"
 843               :visible (display-graphic-p)
 844               :button (:radio . (equal fringe-mode '(nil . 0)))))
 845
 846 (defun menu-bar-showhide-fringe-menu-customize-right ()
 847   "Display fringes only on the right of each window."
 848   (interactive)
 849   (require 'fringe)
 850   (customize-set-variable 'fringe-mode '(0 . nil)))
 851
 852 (define-key menu-bar-showhide-fringe-menu [right]
 853   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 854               :help "Fringe only on the right side"
 855               :visible (display-graphic-p)
 856               :button (:radio . (equal fringe-mode '(0 . nil)))))
 857
 858 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 859   "Do not display window fringes."
 860   (interactive)
 861   (require 'fringe)
 862   (customize-set-variable 'fringe-mode 0))
 863
 864 (define-key menu-bar-showhide-fringe-menu [none]
 865   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 866               :help "Turn off fringe"
 867               :visible (display-graphic-p)
 868               :button (:radio . (eq fringe-mode 0))))
 869
 870 (define-key menu-bar-showhide-menu [showhide-fringe]
 871   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 872         :visible `(display-graphic-p)
 873         :help "Select fringe mode"))
 874
 875 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 876
 877 (define-key menu-bar-showhide-scroll-bar-menu [right]
 878   '(menu-item "On the Right"
 879               menu-bar-right-scroll-bar
 880               :help "Scroll-bar on the right side"
 881               :visible (display-graphic-p)
 882               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 883                                                (frame-parameters))) 'right))))
 884 (defun menu-bar-right-scroll-bar ()
 885   "Display scroll bars on the right of each window."
 886   (interactive)
 887   (customize-set-variable 'scroll-bar-mode 'right))
 888
 889 (define-key menu-bar-showhide-scroll-bar-menu [left]
 890   '(menu-item "On the Left"
 891               menu-bar-left-scroll-bar
 892               :help "Scroll-bar on the left side"
 893               :visible (display-graphic-p)
 894               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 895                                                (frame-parameters))) 'left))))
 896
 897 (defun menu-bar-left-scroll-bar ()
 898   "Display scroll bars on the left of each window."
 899   (interactive)
 900   (customize-set-variable 'scroll-bar-mode 'left))
 901
 902 (define-key menu-bar-showhide-scroll-bar-menu [none]
 903   '(menu-item "None"
 904               menu-bar-no-scroll-bar
 905               :help "Turn off scroll-bar"
 906               :visible (display-graphic-p)
 907               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 908                                                (frame-parameters))) nil))))
 909
 910 (defun menu-bar-no-scroll-bar ()
 911   "Turn off scroll bars."
 912   (interactive)
 913   (customize-set-variable 'scroll-bar-mode nil))
 914
 915 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 916   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 917         :visible `(display-graphic-p)
 918         :help "Select scroll-bar mode"))
 919
 920 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 921   (list 'menu-item "Tooltips" 'tooltip-mode
 922         :help "Toggle tooltips on/off"
 923         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 924         :button `(:toggle . tooltip-mode)))
 925
 926 (define-key menu-bar-showhide-menu [menu-bar-mode]
 927   '(menu-item "Menu-bar" menu-bar-mode
 928               :help "Toggle menu-bar on/off"
 929               :button (:toggle . menu-bar-mode)))
 930
 931 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 932   (list 'menu-item "Tool-bar" 'tool-bar-mode
 933         :help "Turn tool-bar on/off"
 934         :visible `(display-graphic-p)
 935         :button `(:toggle . tool-bar-mode)))
 936
 937 (define-key menu-bar-options-menu [showhide]
 938   (list 'menu-item "Show/Hide" menu-bar-showhide-menu
 939         :help "Toggle on/off various display features"))
 940
 941 (define-key menu-bar-options-menu [showhide-separator]
 942   '("--"))
 943
 944 (define-key menu-bar-options-menu [mule]
 945   ;; It is better not to use backquote here,
 946   ;; because that makes a bootstrapping problem
 947   ;; if you need to recompile all the Lisp files using interpreted code.
 948   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 949 ;; Most of the MULE menu actually does make sense in unibyte mode,
 950 ;; e.g. language selection.
 951 ;;;     ':visible 'default-enable-multibyte-characters
 952         ':help "Default language, encodings, input method"))
 953 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 954 ;(define-key menu-bar-options-menu [preferences]
 955 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 956 ;       :help "Toggle important global options"))
 957
 958 (define-key menu-bar-options-menu [mule-separator]
 959   '("--"))
 960
 961 (define-key menu-bar-options-menu [debug-on-quit]
 962   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 963                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 964                         "Enter Lisp debugger when C-g is pressed"))
 965 (define-key menu-bar-options-menu [debug-on-error]
 966   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 967                         "Enter Debugger on Error" "Debug on Error %s"
 968                         "Enter Lisp debugger when an error is signaled"))
 969 (define-key menu-bar-options-menu [debugger-separator]
 970   '("--"))
 971
 972 (define-key menu-bar-options-menu [blink-cursor-mode]
 973   (menu-bar-make-mm-toggle blink-cursor-mode
 974                            "Blinking Cursor"
 975                            "Whether the cursor blinks (Blink Cursor mode)"))
 976 (define-key menu-bar-options-menu [cursor-separator]
 977   '("--"))
 978
 979 (define-key menu-bar-options-menu [save-place]
 980   (menu-bar-make-toggle toggle-save-place-globally save-place
 981                         "Save Place in Files between Sessions"
 982                         "Saving place in files %s"
 983                         "Visit files of previous session when restarting Emacs"
 984                         (require 'saveplace)
 985                         ;; Do it by name, to avoid a free-variable
 986                         ;; warning during byte compilation.
 987                         (set-default
 988                          'save-place (not (symbol-value 'save-place)))))
 989
 990 (define-key menu-bar-options-menu [uniquify]
 991   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
 992                         "Use Directory Names in Buffer Names"
 993                         "Directory name in buffer names (uniquify) %s"
 994                         "Uniquify buffer names by adding parent directory names"
 995                         (require 'uniquify)
 996                         (setq uniquify-buffer-name-style
 997                               (if (not uniquify-buffer-name-style)
 998                                   'forward))))
 999
1000 (define-key menu-bar-options-menu [edit-options-separator]
1001   '("--"))
1002 (define-key menu-bar-options-menu [cua-mode]
1003   (menu-bar-make-mm-toggle cua-mode
1004                            "C-x/C-c/C-v Cut and Paste (CUA)"
1005                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"
1006                            (:visible (or (not (boundp 'cua-enable-cua-keys))
1007                                          cua-enable-cua-keys))))
1008
1009 (define-key menu-bar-options-menu [cua-emulation-mode]
1010   (menu-bar-make-mm-toggle cua-mode
1011                            "Shift movement mark region (CUA)"
1012                            "Use shifted movement keys to set and extend the region."
1013                            (:visible (and (boundp 'cua-enable-cua-keys)
1014                                           (not cua-enable-cua-keys)))))
1015
1016 (define-key menu-bar-options-menu [case-fold-search]
1017   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1018                         "Case-Insensitive Search"
1019                         "Case-Insensitive Search %s"
1020                         "Ignore letter-case in search"))
1021
1022 (defun menu-bar-text-mode-auto-fill ()
1023   (interactive)
1024   (toggle-text-mode-auto-fill)
1025   ;; This is somewhat questionable, as `text-mode-hook'
1026   ;; might have changed outside customize.
1027   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1028   (customize-mark-as-set 'text-mode-hook))
1029
1030 (define-key menu-bar-options-menu [auto-fill-mode]
1031   '(menu-item "Word Wrap in Text Modes"
1032               menu-bar-text-mode-auto-fill
1033               :help "Automatically fill text between left and right margins (Auto Fill)"
1034               :button (:toggle . (if (listp text-mode-hook)
1035                                      (member 'turn-on-auto-fill text-mode-hook)
1036                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1037 (define-key menu-bar-options-menu [truncate-lines]
1038   '(menu-item "Truncate Long Lines in this Buffer"
1039               toggle-truncate-lines
1040               :help "Truncate long lines on the screen"
1041               :button (:toggle . truncate-lines)
1042               :enable (menu-bar-menu-frame-live-and-visible-p)))
1043
1044 (define-key menu-bar-options-menu [highlight-separator]
1045   '("--"))
1046 (define-key menu-bar-options-menu [highlight-paren-mode]
1047   (menu-bar-make-mm-toggle show-paren-mode
1048                            "Paren Match Highlighting"
1049                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1050 (define-key menu-bar-options-menu [transient-mark-mode]
1051   (menu-bar-make-mm-toggle transient-mark-mode
1052                            "Active Region Highlighting"
1053                            "Make text in active region stand out in color (Transient Mark mode)"
1054                            (:enable (not cua-mode))))
1055
1056 \f
1057 ;; The "Tools" menu items
1058
1059 (defun send-mail-item-name ()
1060   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1061                                      (mh-e-user-agent . "MH")
1062                                      (message-user-agent . "Gnus Message")
1063                                      (gnus-user-agent . "Gnus")))
1064          (name (assq mail-user-agent known-send-mail-commands)))
1065     (if name
1066         (setq name (cdr name))
1067       (setq name (symbol-name mail-user-agent))
1068       (if (string-match "\\(.+\\)-user-agent" name)
1069           (setq name (match-string 1 name))))
1070     name))
1071
1072 (defun read-mail-item-name ()
1073   (let* ((known-rmail-commands '((rmail . "RMAIL")
1074                                  (mh-rmail . "MH")
1075                                  (gnus . "Gnus")))
1076          (known (assq read-mail-command known-rmail-commands)))
1077     (if known (cdr known) (symbol-name read-mail-command))))
1078
1079 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1080
1081 (define-key menu-bar-tools-menu [games]
1082   (list 'menu-item "Games" menu-bar-games-menu))
1083
1084 (define-key menu-bar-tools-menu [separator-games]
1085   '("--"))
1086
1087 (define-key menu-bar-games-menu [zone]
1088   '(menu-item "Zone Out"  zone
1089               :help "Play tricks with Emacs display when Emacs is idle"))
1090 (define-key menu-bar-games-menu [yow]
1091   '(menu-item "Random Quotation"  yow
1092               :help "Display a random Zippy quotation"))
1093 (define-key menu-bar-games-menu [tetris]
1094   '(menu-item "Tetris"  tetris))
1095 (define-key menu-bar-games-menu [solitaire]
1096   '(menu-item "Solitaire"  solitaire))
1097 (define-key menu-bar-games-menu [snake]
1098   '(menu-item "Snake"  snake
1099               :help "Move snake around avoiding collisions"))
1100 (define-key menu-bar-games-menu [mult]
1101   '(menu-item "Multiplication Puzzle"  mpuz
1102               :help "Exercise brain with multiplication"))
1103 (define-key menu-bar-games-menu [life]
1104   '(menu-item "Life"  life
1105               :help "Watch how John Conway's cellular automaton evolves"))
1106 (define-key menu-bar-games-menu [hanoi]
1107   '(menu-item "Towers of Hanoi" hanoi
1108               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1109 (define-key menu-bar-games-menu [gomoku]
1110   '(menu-item "Gomoku"  gomoku
1111               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1112 (define-key menu-bar-games-menu [black-box]
1113   '(menu-item "Blackbox"  blackbox
1114               :help "Find balls in a black box by shooting rays"))
1115 (define-key menu-bar-games-menu [adventure]
1116   '(menu-item "Adventure"  dunnet
1117               :help "Dunnet, a text Adventure game for Emacs"))
1118 (define-key menu-bar-games-menu [5x5]
1119   '(menu-item "5x5" 5x5
1120               :help "Fill in all the squares on a 5x5 board"))
1121
1122 (define-key menu-bar-tools-menu [simple-calculator]
1123   '(menu-item "Simple Calculator" calculator
1124               :help "Invoke the Emacs built-in quick calculator"))
1125 (define-key menu-bar-tools-menu [calc]
1126   '(menu-item "Programmable Calculator" calc
1127               :help "Invoke the Emacs built-in full scientific calculator"))
1128 (define-key menu-bar-tools-menu [calendar]
1129   '(menu-item "Display Calendar" calendar))
1130
1131 (define-key menu-bar-tools-menu [separator-net]
1132   '("--"))
1133
1134 (define-key menu-bar-tools-menu [directory-search]
1135   '(menu-item "Directory Search" eudc-tools-menu
1136               :help "Query directory servers via LDAP, CCSO PH/QI or BBDB"))
1137 (define-key menu-bar-tools-menu [compose-mail]
1138   (list
1139    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1140    'compose-mail
1141    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1142    :help "Send a mail message"))
1143 (define-key menu-bar-tools-menu [rmail]
1144   (list
1145    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1146    'menu-bar-read-mail
1147    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1148    :help "Read your mail and reply to it"))
1149
1150 (defun menu-bar-read-mail ()
1151   "Read mail using `read-mail-command'."
1152   (interactive)
1153   (call-interactively read-mail-command))
1154
1155 (define-key menu-bar-tools-menu [gnus]
1156   '(menu-item "Read Net News (Gnus)" gnus
1157               :help "Read network news groups"))
1158
1159 (define-key menu-bar-tools-menu [separator-vc]
1160   '("--"))
1161
1162 (defvar vc-menu-map (make-sparse-keymap "Version Control"))
1163 (define-key menu-bar-tools-menu [pcl-cvs]
1164   '(menu-item "PCL-CVS" cvs-global-menu
1165     :help "Module-level interface to CVS"))
1166 (define-key menu-bar-tools-menu [vc]
1167   (list 'menu-item "Version Control" vc-menu-map
1168         :help "Interface to RCS, CVS, SCCS"))
1169
1170 (define-key menu-bar-tools-menu [separator-compare]
1171   '("--"))
1172
1173 (define-key menu-bar-tools-menu [ediff-misc]
1174   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu
1175               :help "Ediff manual, customization, sessions, etc."))
1176 (define-key menu-bar-tools-menu [epatch]
1177   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1178 (define-key menu-bar-tools-menu [ediff-merge]
1179   '(menu-item "Merge" menu-bar-ediff-merge-menu
1180               :help "Merge different revisions of files/directories"))
1181 (define-key menu-bar-tools-menu [compare]
1182   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu
1183               :help "Display differences between files/directories"))
1184
1185
1186 (define-key menu-bar-tools-menu [separator-spell]
1187   '("--"))
1188
1189 (define-key menu-bar-tools-menu [spell]
1190   '(menu-item "Spell Checking" ispell-menu-map))
1191
1192 (define-key menu-bar-tools-menu [separator-prog]
1193   '("--"))
1194
1195 (define-key menu-bar-tools-menu [gdb]
1196   '(menu-item "Debugger (GDB)..." gdb
1197               :help "Debug a program from within Emacs with GDB"))
1198 (define-key menu-bar-tools-menu [shell-on-region]
1199   '(menu-item "Shell Command on Region..." shell-command-on-region
1200               :enable mark-active
1201               :help "Pass marked region to a shell command"))
1202 (define-key menu-bar-tools-menu [shell]
1203   '(menu-item "Shell Command..." shell-command
1204               :help "Invoke a shell command and catch its output"))
1205 (define-key menu-bar-tools-menu [compile]
1206   '(menu-item "Compile..." compile
1207               :help "Invoke compiler or Make, view compilation errors"))
1208 (define-key menu-bar-tools-menu [grep]
1209   '(menu-item "Search Files (with grep)..." grep
1210               :help "Search files for strings or regexps (with grep)"))
1211
1212 \f
1213 ;; The "Help" menu items
1214
1215 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1216
1217 (define-key menu-bar-describe-menu [mule-diag]
1218   '(menu-item "Show All of Mule Status" mule-diag
1219               :visible default-enable-multibyte-characters
1220               :help "Display multilingual environment settings"))
1221 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1222   '(menu-item "Describe Coding System (Briefly)..."
1223               describe-current-coding-system-briefly
1224               :visible default-enable-multibyte-characters))
1225 (define-key menu-bar-describe-menu [describe-coding-system]
1226   '(menu-item "Describe Coding System..." describe-coding-system
1227               :visible default-enable-multibyte-characters))
1228 (define-key menu-bar-describe-menu [describe-input-method]
1229   '(menu-item "Describe Input Method..." describe-input-method
1230               :visible default-enable-multibyte-characters
1231               :help "Keyboard layout for specific input method"))
1232 (define-key menu-bar-describe-menu [describe-language-environment]
1233   (list 'menu-item "Describe Language Environment"
1234         describe-language-environment-map
1235         :help "Show multilingual settings for a specific language"))
1236
1237 (define-key menu-bar-describe-menu [separator-desc-mule]
1238   '("--"))
1239
1240 (define-key menu-bar-describe-menu [list-keybindings]
1241   '(menu-item "List Key Bindings" describe-bindings
1242               :help "Display all current keybindings (keyboard shortcuts)"))
1243 (define-key menu-bar-describe-menu [describe-current-display-table]
1244   '(menu-item "Describe Display Table" describe-current-display-table
1245               :help "Describe the current display table"))
1246 (define-key menu-bar-describe-menu [describe-face]
1247   '(menu-item "Describe Face..." describe-face
1248               :help "Display the properties of a face"))
1249 (define-key menu-bar-describe-menu [describe-variable]
1250   '(menu-item "Describe Variable..." describe-variable
1251               :help "Display documentation of variable/option"))
1252 (define-key menu-bar-describe-menu [describe-function]
1253   '(menu-item "Describe Function..." describe-function
1254               :help "Display documentation of function/command"))
1255 (define-key menu-bar-describe-menu [describe-key-1]
1256   '(menu-item "Describe Key or Mouse Operation..." describe-key
1257               ;; Users typically don't identify keys and menu items...
1258               :help "Display documentation of command bound to a \
1259 key, a click, or a menu-item"))
1260 (define-key menu-bar-describe-menu [describe-mode]
1261   '(menu-item "Describe Buffer Modes" describe-mode
1262               :help "Describe this buffer's major and minor mode"))
1263
1264 (defvar menu-bar-apropos-menu (make-sparse-keymap "Apropos"))
1265 (defun menu-bar-read-lispref ()
1266   "Display the Emacs Lisp Reference manual in Info mode."
1267   (interactive)
1268   (info "elisp"))
1269
1270 (defun menu-bar-read-lispintro ()
1271   "Display the Introduction to Emacs Lisp Programming in Info mode."
1272   (interactive)
1273   (info "eintr"))
1274
1275 (defun search-emacs-glossary ()
1276   "Display the Glossary node of the Emacs manual in Info mode."
1277   (interactive)
1278   (info "(emacs)Glossary"))
1279
1280 (defun emacs-index-search (topic)
1281   "Look up TOPIC in the indices of the Emacs User Manual."
1282   (interactive "sSubject to look up: ")
1283   (info "emacs")
1284   (Info-index topic))
1285
1286 (defun elisp-index-search (topic)
1287   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1288   (interactive "sSubject to look up: ")
1289   (info "elisp")
1290   (Info-index topic))
1291
1292 (define-key menu-bar-apropos-menu [apropos-documentation]
1293   '(menu-item "Search Documentation Strings..." apropos-documentation
1294               :help
1295               "Find functions and variables whose doc strings match a regexp"))
1296 (define-key menu-bar-apropos-menu [apropos]
1297   '(menu-item "Find Any Object by Name..."  apropos
1298               :help "Find symbols of any kind whose names match a regexp"))
1299 (define-key menu-bar-apropos-menu [apropos-value]
1300   '(menu-item "Find Options by Value..." apropos-value
1301               :help "Find variables whose values match a regexp"))
1302 (define-key menu-bar-apropos-menu [apropos-variables]
1303   '(menu-item "Find Options by Name..." apropos-variable
1304               :help "Find variables whose names match a regexp"))
1305 (define-key menu-bar-apropos-menu [apropos-commands]
1306   '(menu-item "Find Commands by Name..." apropos-command
1307               :help "Find commands whose names match a regexp"))
1308 (define-key menu-bar-apropos-menu [sep1]
1309   '("--"))
1310 (define-key menu-bar-apropos-menu [elisp-index-search]
1311   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1312               :help "Find description of a subject in Emacs Lisp manual"))
1313 (define-key menu-bar-apropos-menu [emacs-index-search]
1314   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1315               :help "Find description of a subject in Emacs User manual"))
1316 (define-key menu-bar-apropos-menu [emacs-glossary]
1317   '(menu-item "Emacs Terminology" search-emacs-glossary
1318               :help "Display the Glossary section of the Emacs manual"))
1319
1320 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1321
1322 (define-key menu-bar-manuals-menu [man]
1323   '(menu-item "Read Man Page..." manual-entry
1324               :help "Man-page docs for external commands and libraries"))
1325 (define-key menu-bar-manuals-menu [sep2]
1326   '("--"))
1327 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1328   '(menu-item "Ordering Manuals" view-order-manuals
1329               :help "How to order manuals from the Free Software Foundation"))
1330 (define-key menu-bar-manuals-menu [info]
1331   '(menu-item "All Other Manuals (Info)" Info-directory
1332               :help "Read any of the installed manuals"))
1333 (define-key menu-bar-manuals-menu [info-elisp]
1334   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1335               :help "Read the Emacs Lisp Reference manual"))
1336 (define-key menu-bar-manuals-menu [info-elintro]
1337   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1338               :help "Read the Introduction to Emacs Lisp Programming"))
1339 (define-key menu-bar-manuals-menu [sep3]
1340   '("--"))
1341 (define-key menu-bar-manuals-menu [command]
1342   '(menu-item "Find Command in Manual..." Info-goto-emacs-command-node
1343               :help "Display manual section that describes a command"))
1344 (define-key menu-bar-manuals-menu [key]
1345   '(menu-item "Find Key in Manual..." Info-goto-emacs-key-command-node
1346               :help "Display manual section that describes a key"))
1347
1348 (define-key menu-bar-help-menu [eliza]
1349   '(menu-item "Emacs Psychotherapist" doctor
1350               :help "Our doctor will help you feel better"))
1351 (define-key menu-bar-help-menu [sep4]
1352   '("--"))
1353 (define-key menu-bar-help-menu [describe-no-warranty]
1354   '(menu-item "(Non)Warranty" describe-no-warranty
1355               :help "Explain that Emacs has NO WARRANTY"))
1356 (define-key menu-bar-help-menu [describe-copying]
1357   '(menu-item "Copying Conditions" describe-copying
1358               :help "Show the Emacs license (GPL)"))
1359 (define-key menu-bar-help-menu [describe-distribution]
1360   '(menu-item "Getting New Versions" describe-distribution
1361               :help "How to get latest versions of Emacs"))
1362 (define-key menu-bar-help-menu [more]
1363   '(menu-item "External Packages" menu-bar-help-extra-packages
1364               :help "Lisp packages distributed separately for use in Emacs"))
1365 (defun menu-bar-help-extra-packages ()
1366   "Display help about some additional packages available for Emacs."
1367   (interactive)
1368   (let (enable-local-variables)
1369     (view-file (expand-file-name "MORE.STUFF"
1370                                  data-directory))
1371     (goto-address)))
1372 (define-key menu-bar-help-menu [about]
1373   '(menu-item "About Emacs" display-splash-screen
1374               :help "Display version number, copyright info, and basic help"))
1375 (define-key menu-bar-help-menu [sep2]
1376   '("--"))
1377 (define-key menu-bar-help-menu [finder-by-keyword]
1378   '(menu-item "Find Emacs Packages" finder-by-keyword
1379               :help "Find packages and features by keyword"))
1380 (define-key menu-bar-help-menu [manuals]
1381   (list 'menu-item "More Manuals" menu-bar-manuals-menu
1382         :help "Search and browse on-line manuals"))
1383 (define-key menu-bar-help-menu [emacs-manual]
1384   '(menu-item "Read the Emacs Manual" info-emacs-manual
1385               :help "Full documentation of Emacs features"))
1386 (define-key menu-bar-help-menu [describe]
1387   (list 'menu-item "Describe" menu-bar-describe-menu
1388         :help "Describe commands, variables, keys"))
1389 (define-key menu-bar-help-menu [apropos]
1390   (list 'menu-item "Search Documentation" menu-bar-apropos-menu
1391         :help "Look up terms, find commands, options, etc. (Apropos)"))
1392 (define-key menu-bar-help-menu [sep1]
1393   '("--"))
1394 (define-key menu-bar-help-menu [report-emacs-bug]
1395   '(menu-item "Send Bug Report..." report-emacs-bug
1396               :help "Send e-mail to Emacs maintainers"))
1397 (define-key menu-bar-help-menu [emacs-problems]
1398   '(menu-item "Emacs Known Problems" view-emacs-problems))
1399 (define-key menu-bar-help-menu [emacs-news]
1400   '(menu-item "Emacs News" view-emacs-news
1401               :help "New features of this version"))
1402 (define-key menu-bar-help-menu [emacs-faq]
1403   '(menu-item "Emacs FAQ" view-emacs-FAQ))
1404
1405 (defun help-with-tutorial-spec-language ()
1406   "Use the Emacs tutorial, specifying which language you want."
1407   (interactive)
1408   (help-with-tutorial t))
1409
1410 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1411   '(menu-item "Emacs Tutorial (choose language)..."
1412               help-with-tutorial-spec-language
1413               :help "Learn how to use Emacs (choose a language)"))
1414 (define-key menu-bar-help-menu [emacs-tutorial]
1415   '(menu-item "Emacs Tutorial" help-with-tutorial
1416               :help "Learn how to use Emacs"))
1417
1418 (defun menu-bar-menu-frame-live-and-visible-p ()
1419   "Return non-nil if the menu frame is alive and visible.
1420 The menu frame is the frame for which we are updating the menu."
1421   (let ((menu-frame (if (display-multi-frame-p) menu-updating-frame
1422                       (selected-frame))))
1423     (and (frame-live-p menu-frame)
1424          (frame-visible-p menu-frame))))
1425
1426 (defun menu-bar-non-minibuffer-window-p ()
1427   "Return non-nil if selected window of the menu frame is not a minibuf window.
1428
1429 See the documentation of `menu-bar-menu-frame-live-and-visible-p'
1430 for the definition of the menu frame."
1431   (let ((menu-frame (if (display-multi-frame-p) menu-updating-frame
1432                       (selected-frame))))
1433     (not (window-minibuffer-p (frame-selected-window menu-frame)))))
1434
1435 (defun kill-this-buffer ()      ; for the menubar
1436   "Kill the current buffer."
1437   (interactive)
1438   (kill-buffer (current-buffer)))
1439
1440 (defun kill-this-buffer-enabled-p ()
1441   (let ((count 0)
1442         (buffers (buffer-list)))
1443     (while buffers
1444       (or (string-match "^ " (buffer-name (car buffers)))
1445           (setq count (1+ count)))
1446       (setq buffers (cdr buffers)))
1447     (and (menu-bar-non-minibuffer-window-p)
1448          (> count 1))))
1449
1450 (put 'dired 'menu-enable '(menu-bar-non-minibuffer-window-p))
1451
1452 ;; Permit deleting frame if it would leave a visible or iconified frame.
1453 (defun delete-frame-enabled-p ()
1454   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1455   (let ((frames (frame-list))
1456         (count 0))
1457     (while frames
1458       (if (frame-visible-p (car frames))
1459           (setq count (1+ count)))
1460       (setq frames (cdr frames)))
1461     (> count 1)))
1462
1463 (defcustom yank-menu-length 20
1464   "*Maximum length to display in the yank-menu."
1465   :type 'integer
1466   :group 'mouse)
1467
1468 (defun menu-bar-update-yank-menu (string old)
1469   (let ((front (car (cdr yank-menu)))
1470         (menu-string (if (<= (length string) yank-menu-length)
1471                          string
1472                        (concat
1473                         (substring string 0 (/ yank-menu-length 2))
1474                         "..."
1475                         (substring string (- (/ yank-menu-length 2)))))))
1476     ;; Don't let the menu string be all dashes
1477     ;; because that has a special meaning in a menu.
1478     (if (string-match "\\`-+\\'" menu-string)
1479         (setq menu-string (concat menu-string " ")))
1480     ;; If we're supposed to be extending an existing string, and that
1481     ;; string really is at the front of the menu, then update it in place.
1482     (if (and old (or (eq old (car front))
1483                      (string= old (car front))))
1484         (progn
1485           (setcar front string)
1486           (setcar (cdr front) menu-string))
1487       (setcdr yank-menu
1488               (cons
1489                (cons string (cons menu-string 'menu-bar-select-yank))
1490                (cdr yank-menu)))))
1491   (if (> (length (cdr yank-menu)) kill-ring-max)
1492       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1493
1494 (put 'menu-bar-select-yank 'apropos-inhibit t)
1495 (defun menu-bar-select-yank ()
1496   (interactive "*")
1497   (push-mark (point))
1498   (insert last-command-event))
1499
1500 \f
1501 (defcustom buffers-menu-show-directories 'unless-uniquify
1502   "If non-nil, show directories in the Buffers menu for buffers that have them.
1503 The special value `unless-uniquify' means that directories will be shown
1504 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1505 names should include enough of a buffer's directory to distinguish it
1506 from other buffers).
1507
1508 Setting this variable directly does not take effect until next time the
1509 Buffers menu is regenerated."
1510   :set (lambda (symbol value)
1511          (set symbol value)
1512          (menu-bar-update-buffers t))
1513   :initialize 'custom-initialize-default
1514   :type '(choice (const :tag "Never" nil)
1515                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1516                  (const :tag "Always" t))
1517   :group 'menu)
1518
1519 (defcustom buffers-menu-show-status t
1520   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1521 Setting this variable directly does not take effect until next time the
1522 Buffers menu is regenerated."
1523   :set (lambda (symbol value)
1524          (set symbol value)
1525          (menu-bar-update-buffers t))
1526   :initialize 'custom-initialize-default
1527   :type 'boolean
1528   :group 'menu)
1529
1530 (defvar list-buffers-directory nil)
1531
1532 (defvar menu-bar-update-buffers-maxbuf)
1533
1534 (defun menu-bar-select-buffer ()
1535   (interactive)
1536   (switch-to-buffer last-command-event))
1537
1538 (defun menu-bar-select-frame ()
1539   (interactive)
1540   (let (frame)
1541     (dolist (f (frame-list))
1542       (when (equal last-command-event (frame-parameter f 'name))
1543         (setq frame f)))
1544     ;; FRAME can be nil when user specifies the selected frame.
1545     (setq frame (or frame (selected-frame)))
1546     (make-frame-visible frame)
1547     (raise-frame frame)
1548     (select-frame frame)))
1549
1550 (defun menu-bar-update-buffers-1 (elt)
1551   (let* ((buf (car elt))
1552          (file
1553           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1554                    (or (not (boundp 'uniquify-buffer-name-style))
1555                        (null uniquify-buffer-name-style))
1556                  buffers-menu-show-directories)
1557                (or (buffer-file-name buf)
1558                    (buffer-local-value 'list-buffers-directory buf)))))
1559     (when file
1560       (setq file (file-name-directory file)))
1561     (when (and file (> (length file) 20))
1562       (setq file (concat "..." (substring file -17))))
1563     (cons (if buffers-menu-show-status
1564               (let ((mod (if (buffer-modified-p buf) "*" ""))
1565                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1566                 (if file
1567                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1568                   (format "%s  %s%s" (cdr elt) mod ro)))
1569             (if file
1570                 (format "%s  --  %s"  (cdr elt) file)
1571               (cdr elt)))
1572           buf)))
1573
1574 ;; Used to cache the menu entries for commands in the Buffers menu
1575 (defvar menu-bar-buffers-menu-command-entries nil)
1576
1577 (defun menu-bar-update-buffers (&optional force)
1578   ;; If user discards the Buffers item, play along.
1579   (and (lookup-key (current-global-map) [menu-bar buffer])
1580        (or force (frame-or-buffer-changed-p))
1581        (let ((buffers (buffer-list))
1582              (frames (frame-list))
1583              buffers-menu frames-menu)
1584          ;; If requested, list only the N most recently selected buffers.
1585          (if (and (integerp buffers-menu-max-size)
1586                   (> buffers-menu-max-size 1))
1587              (if (> (length buffers) buffers-menu-max-size)
1588                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1589
1590          ;; Make the menu of buffers proper.
1591          (setq buffers-menu
1592                (let* ((buffer-list
1593                        (mapcar 'list buffers))
1594                       (menu-bar-update-buffers-maxbuf 0)
1595                       alist)
1596                  ;; Put into each element of buffer-list
1597                  ;; the name for actual display,
1598                  ;; perhaps truncated in the middle.
1599                  (dolist (buf buffer-list)
1600                    (let ((name (buffer-name (car buf))))
1601                      (setcdr buf
1602                              (if (> (length name) 27)
1603                                  (concat (substring name 0 12)
1604                                          "..."
1605                                          (substring name -12))
1606                                name))))
1607                  ;; Compute the maximum length of any name.
1608                  (dolist (buf buffer-list)
1609                    (unless (eq ?\  (aref (cdr buf) 0))
1610                      (setq menu-bar-update-buffers-maxbuf
1611                            (max menu-bar-update-buffers-maxbuf
1612                                 (length (cdr buf))))))
1613                  ;; Set ALIST to an alist of the form
1614                  ;; ITEM-STRING . BUFFER
1615                  (dolist (buf buffer-list)
1616                    (unless (eq ?\  (aref (cdr buf) 0))
1617                      (push (menu-bar-update-buffers-1 buf) alist)))
1618                  ;; Now make the actual list of items, and add
1619                  ;; some miscellaneous buffer commands to the end.
1620                  (mapcar (lambda (pair)
1621                            ;; This is somewhat risque, to use
1622                            ;; the buffer name itself as the event
1623                            ;; type to define, but it works.
1624                            ;; It would not work to use the buffer
1625                            ;; since a buffer as an event has its
1626                            ;; own meaning.
1627                            (nconc (list (buffer-name (cdr pair))
1628                                         (car pair)
1629                                         (cons nil nil))
1630                                   'menu-bar-select-buffer))
1631                          (nreverse alist))))
1632
1633          ;; Make a Frames menu if we have more than one frame.
1634          (when (cdr frames)
1635            (let ((frames-menu
1636                   (cons 'keymap
1637                         (cons "Select Frame"
1638                               (mapcar
1639                                (lambda (frame)
1640                                  (nconc
1641                                   (list (frame-parameter frame 'name)
1642                                         (frame-parameter frame 'name)
1643                                         (cons nil nil))
1644                                   'menu-bar-select-frame))
1645                                frames)))))
1646              ;; Put it after the normal buffers
1647              (setq buffers-menu
1648                    (nconc buffers-menu
1649                           `((frames-separator "--")
1650                             (frames menu-item "Frames" ,frames-menu))))))
1651
1652          ;; Add in some normal commands at the end of the menu.  We use
1653          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1654          ;; if it's been set already.  Note that we can't use constant
1655          ;; lists for the menu-entries, because the low-level menu-code
1656          ;; modifies them.
1657          (unless menu-bar-buffers-menu-command-entries
1658            (setq menu-bar-buffers-menu-command-entries
1659                  (list '(command-separator "--")
1660                        (list 'next-buffer
1661                              'menu-item
1662                              "Next Buffer"
1663                              'next-buffer
1664                              :help "Switch to the \"next\" buffer in a cyclic order")
1665                        (list 'prev-buffer
1666                              'menu-item
1667                              "Previous Buffer"
1668                              'prev-buffer
1669                              :help "Switch to the \"previous\" buffer in a cyclic order")
1670                        (list 'select-named-buffer
1671                              'menu-item
1672                              "Select Named Buffer..."
1673                              'switch-to-buffer
1674                              :help "Prompt for a buffer name, and select that buffer in the current window")
1675                        (list 'list-all-buffers
1676                              'menu-item
1677                              "List All Buffers"
1678                              'list-buffers
1679                              :help "Pop up a window listing all emacs buffers"
1680                              ))))
1681          (setq buffers-menu
1682                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1683
1684          (setq buffers-menu (cons 'keymap (cons "Select Buffer" buffers-menu)))
1685          (define-key (current-global-map) [menu-bar buffer]
1686            ;; Call copy-sequence so the string is not pure.
1687            (cons (copy-sequence "Buffers") buffers-menu)))))
1688
1689 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1690
1691 (menu-bar-update-buffers)
1692
1693 ;; this version is too slow
1694 ;;(defun format-buffers-menu-line (buffer)
1695 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1696 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1697 ;;  (if (string-match "\\` " (buffer-name buffer))
1698 ;;      nil
1699 ;;    (save-excursion
1700 ;;     (set-buffer buffer)
1701 ;;     (let ((size (buffer-size)))
1702 ;;       (format "%s%s %-19s %6s %-15s %s"
1703 ;;             (if (buffer-modified-p) "*" " ")
1704 ;;             (if buffer-read-only "%" " ")
1705 ;;             (buffer-name)
1706 ;;             size
1707 ;;             mode-name
1708 ;;             (or (buffer-file-name) ""))))))
1709 \f
1710 ;;; Set up a menu bar menu for the minibuffer.
1711
1712 (dolist (map (list minibuffer-local-map
1713                    ;; This shouldn't be necessary, but there's a funny
1714                    ;; bug in keymap.c that I don't understand yet.  -stef
1715                    minibuffer-local-completion-map))
1716   (define-key map [menu-bar minibuf]
1717     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1718
1719 (let ((map minibuffer-local-completion-map))
1720   (define-key map [menu-bar minibuf ?\?]
1721     (list 'menu-item "List Completions" 'minibuffer-completion-help
1722           :help "Display all possible completions"))
1723   (define-key map [menu-bar minibuf space]
1724     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1725           :help "Complete at most one word"))
1726   (define-key map [menu-bar minibuf tab]
1727     (list 'menu-item "Complete" 'minibuffer-complete
1728           :help "Complete as far as possible")))
1729
1730 (let ((map minibuffer-local-map))
1731   (define-key map [menu-bar minibuf quit]
1732     (list 'menu-item "Quit" 'keyboard-escape-quit
1733           :help "Abort input and exit minibuffer"))
1734   (define-key map [menu-bar minibuf return]
1735     (list 'menu-item "Enter" 'exit-minibuffer
1736           :help "Terminate input and exit minibuffer")))
1737 \f
1738 ;;;###autoload
1739 ;; This comment is taken from tool-bar.el near
1740 ;; (put 'tool-bar-mode ...)
1741 ;; We want to pretend the menu bar by standard is on, as this will make
1742 ;; customize consider disabling the menu bar a customization, and save
1743 ;; that.  We could do this for real by setting :init-value below, but
1744 ;; that would overwrite disabling the tool bar from X resources.
1745 (put 'menu-bar-mode 'standard-value '(t))
1746
1747 ;;;###autoload
1748 (define-minor-mode menu-bar-mode
1749   "Toggle display of a menu bar on each frame.
1750 This command applies to all frames that exist and frames to be
1751 created in the future.
1752 With a numeric argument, if the argument is positive,
1753 turn on menu bars; otherwise, turn off menu bars."
1754   :init-value nil
1755   :global t
1756   :group 'frames
1757   ;; Make menu-bar-mode and default-frame-alist consistent.
1758   (let ((lines (if menu-bar-mode 1 0)))
1759     ;; Alter existing frames...
1760     (mapc (lambda (frame)
1761             (modify-frame-parameters frame
1762                                      (list (cons 'menu-bar-lines lines))))
1763           (frame-list))
1764     ;; ...and future ones.
1765     (let ((elt (assq 'menu-bar-lines default-frame-alist)))
1766       (if elt
1767           (setcdr elt lines)
1768         (add-to-list 'default-frame-alist (cons 'menu-bar-lines lines)))))
1769
1770   ;; Make the message appear when Emacs is idle.  We can not call message
1771   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1772   ;; after this function returns, overwriting any message we do here.
1773   (when (and (interactive-p) (not menu-bar-mode))
1774     (run-with-idle-timer 0 nil 'message
1775                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1776   menu-bar-mode)
1777
1778 (provide 'menu-bar)
1779
1780 ;;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1781 ;;; menu-bar.el ends here