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, 2006 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 (defun menu-find-file-existing ()
 182   "Edit the existing file FILENAME."
 183   (interactive)
 184   (let* ((mustmatch (not (and (fboundp 'x-uses-old-gtk-dialog)
 185                               (x-uses-old-gtk-dialog))))
 186          (filename (car (find-file-read-args "Find file: " mustmatch))))
 187     (if mustmatch
 188         (find-file-existing filename)
 189       (find-file filename))))
 190
 191
 192 (define-key menu-bar-file-menu [kill-buffer]
 193   '(menu-item "Close" kill-this-buffer
 194               :enable (kill-this-buffer-enabled-p)
 195               :help "Discard (kill) current buffer"))
 196 (define-key menu-bar-file-menu [insert-file]
 197   '(menu-item "Insert File..." insert-file
 198               :enable (menu-bar-non-minibuffer-window-p)
 199               :help "Insert another file into current buffer"))
 200 (define-key menu-bar-file-menu [dired]
 201   '(menu-item "Open Directory..." dired
 202               :enable (menu-bar-non-minibuffer-window-p)
 203               :help "Read a directory, to operate on its files"))
 204 (define-key menu-bar-file-menu [open-file]
 205   '(menu-item "Open File..." menu-find-file-existing
 206               :enable (menu-bar-non-minibuffer-window-p)
 207               :help "Read an existing file into an Emacs buffer"))
 208 (define-key menu-bar-file-menu [new-file]
 209   '(menu-item "Visit New File..." find-file
 210               :enable (menu-bar-non-minibuffer-window-p)
 211               :help "Specify a new file's name, to edit the file"))
 212
 213 \f
 214 ;; The "Edit" menu items
 215
 216 ;; The "Edit->Search" submenu
 217 (defvar menu-bar-last-search-type nil
 218   "Type of last non-incremental search command called from the menu.")
 219
 220 (defun nonincremental-repeat-search-forward ()
 221   "Search forward for the previous search string or regexp."
 222   (interactive)
 223   (cond
 224    ((and (eq menu-bar-last-search-type 'string)
 225          search-ring)
 226     (search-forward (car search-ring)))
 227    ((and (eq menu-bar-last-search-type 'regexp)
 228          regexp-search-ring)
 229     (re-search-forward (car regexp-search-ring)))
 230    (t
 231     (error "No previous search"))))
 232
 233 (defun nonincremental-repeat-search-backward ()
 234   "Search backward for the previous search string or regexp."
 235   (interactive)
 236   (cond
 237    ((and (eq menu-bar-last-search-type 'string)
 238          search-ring)
 239     (search-backward (car search-ring)))
 240    ((and (eq menu-bar-last-search-type 'regexp)
 241          regexp-search-ring)
 242     (re-search-backward (car regexp-search-ring)))
 243    (t
 244     (error "No previous search"))))
 245
 246 (defun nonincremental-search-forward (string)
 247   "Read a string and search for it nonincrementally."
 248   (interactive "sSearch for string: ")
 249   (setq menu-bar-last-search-type 'string)
 250   (if (equal string "")
 251       (search-forward (car search-ring))
 252     (isearch-update-ring string nil)
 253     (search-forward string)))
 254
 255 (defun nonincremental-search-backward (string)
 256   "Read a string and search backward for it nonincrementally."
 257   (interactive "sSearch for string: ")
 258   (setq menu-bar-last-search-type 'string)
 259   (if (equal string "")
 260       (search-backward (car search-ring))
 261     (isearch-update-ring string nil)
 262     (search-backward string)))
 263
 264 (defun nonincremental-re-search-forward (string)
 265   "Read a regular expression and search for it nonincrementally."
 266   (interactive "sSearch for regexp: ")
 267   (setq menu-bar-last-search-type 'regexp)
 268   (if (equal string "")
 269       (re-search-forward (car regexp-search-ring))
 270     (isearch-update-ring string t)
 271     (re-search-forward string)))
 272
 273 (defun nonincremental-re-search-backward (string)
 274   "Read a regular expression and search backward for it nonincrementally."
 275   (interactive "sSearch for regexp: ")
 276   (setq menu-bar-last-search-type 'regexp)
 277   (if (equal string "")
 278       (re-search-backward (car regexp-search-ring))
 279     (isearch-update-ring string t)
 280     (re-search-backward string)))
 281
 282 (defvar menu-bar-search-menu (make-sparse-keymap "Search"))
 283
 284 ;; The Edit->Search->Incremental Search menu
 285 (defvar menu-bar-i-search-menu
 286   (make-sparse-keymap "Incremental Search"))
 287
 288 (define-key menu-bar-i-search-menu [isearch-backward-regexp]
 289   '(menu-item "Backward Regexp..." isearch-backward-regexp
 290               :help "Search backwards for a regular expression as you type it"))
 291 (define-key menu-bar-i-search-menu [isearch-forward-regexp]
 292   '(menu-item "Forward Regexp..." isearch-forward-regexp
 293               :help "Search forward for a regular expression as you type it"))
 294 (define-key menu-bar-i-search-menu [isearch-backward]
 295   '(menu-item "Backward String..." isearch-backward
 296               :help "Search backwards for a string as you type it"))
 297 (define-key menu-bar-i-search-menu [isearch-forward]
 298   '(menu-item "Forward String..." isearch-forward
 299               :help "Search forward for a string as you type it"))
 300
 301
 302 (define-key menu-bar-search-menu [i-search]
 303   (list 'menu-item "Incremental Search" menu-bar-i-search-menu))
 304 (define-key menu-bar-search-menu [separator-tag-isearch]
 305   '(menu-item "--"))
 306
 307 (define-key menu-bar-search-menu [tags-continue]
 308   '(menu-item "Continue Tags Search" tags-loop-continue
 309               :help "Continue last tags search operation"))
 310 (define-key menu-bar-search-menu [tags-srch]
 311   '(menu-item "Search tagged files..." tags-search
 312               :help "Search for a regexp in all tagged files"))
 313 (define-key menu-bar-search-menu [separator-tag-search]
 314   '(menu-item "--"))
 315
 316 (define-key menu-bar-search-menu [repeat-search-back]
 317   '(menu-item "Repeat Backwards" nonincremental-repeat-search-backward
 318               :enable (or (and (eq menu-bar-last-search-type 'string)
 319                                search-ring)
 320                           (and (eq menu-bar-last-search-type 'regexp)
 321                                regexp-search-ring))
 322               :help "Repeat last search backwards"))
 323 (define-key menu-bar-search-menu [repeat-search-fwd]
 324   '(menu-item "Repeat Forward" nonincremental-repeat-search-forward
 325               :enable (or (and (eq menu-bar-last-search-type 'string)
 326                                search-ring)
 327                           (and (eq menu-bar-last-search-type 'regexp)
 328                                regexp-search-ring))
 329               :help "Repeat last search forward"))
 330 (define-key menu-bar-search-menu [separator-repeat-search]
 331   '(menu-item "--"))
 332
 333 (define-key menu-bar-search-menu [re-search-backward]
 334   '(menu-item "Regexp Backwards..." nonincremental-re-search-backward
 335               :help "Search backwards for a regular expression"))
 336 (define-key menu-bar-search-menu [re-search-forward]
 337   '(menu-item "Regexp Forward..." nonincremental-re-search-forward
 338               :help "Search forward for a regular expression"))
 339
 340 (define-key menu-bar-search-menu [search-backward]
 341   '(menu-item "String Backwards..." nonincremental-search-backward
 342               :help "Search backwards for a string"))
 343 (define-key menu-bar-search-menu [search-forward]
 344   '(menu-item "String Forward..." nonincremental-search-forward
 345               :help "Search forward for a string"))
 346
 347 ;; The Edit->Replace submenu
 348
 349 (defvar menu-bar-replace-menu (make-sparse-keymap "Replace"))
 350
 351 (define-key menu-bar-replace-menu [tags-repl-continue]
 352   '(menu-item "Continue Replace" tags-loop-continue
 353               :help "Continue last tags replace operation"))
 354 (define-key menu-bar-replace-menu [tags-repl]
 355   '(menu-item "Replace in tagged files..." tags-query-replace
 356               :help "Interactively replace a regexp in all tagged files"))
 357 (define-key menu-bar-replace-menu [separator-replace-tags]
 358   '(menu-item "--"))
 359
 360 (define-key menu-bar-replace-menu [query-replace-regexp]
 361   '(menu-item "Replace Regexp..." query-replace-regexp
 362               :enable (not buffer-read-only)
 363               :help "Replace regular expression interactively, ask about each occurrence"))
 364 (define-key menu-bar-replace-menu [query-replace]
 365   '(menu-item "Replace String..." query-replace
 366               :enable (not buffer-read-only)
 367               :help "Replace string interactively, ask about each occurrence"))
 368
 369 ;;; Assemble the top-level Edit menu items.
 370 (define-key menu-bar-edit-menu [props]
 371   '(menu-item "Text Properties" facemenu-menu))
 372
 373 (define-key menu-bar-edit-menu [fill]
 374   '(menu-item "Fill" fill-region
 375               :enable (and mark-active (not buffer-read-only))
 376               :help
 377               "Fill text in region to fit between left and right margin"))
 378
 379 (define-key menu-bar-edit-menu [separator-bookmark]
 380   '(menu-item "--"))
 381
 382 (define-key menu-bar-edit-menu [bookmark]
 383   '(menu-item "Bookmarks" menu-bar-bookmark-map))
 384
 385 (defvar menu-bar-goto-menu (make-sparse-keymap "Go To"))
 386
 387 (define-key menu-bar-goto-menu [set-tags-name]
 388   '(menu-item "Set Tags File Name..." visit-tags-table
 389               :help "Tell Tags commands which tag table file to use"))
 390
 391 (define-key menu-bar-goto-menu [separator-tag-file]
 392   '(menu-item "--"))
 393
 394 (define-key menu-bar-goto-menu [apropos-tags]
 395   '(menu-item "Tags Apropos..." tags-apropos
 396               :help "Find function/variables whose names match regexp"))
 397 (define-key menu-bar-goto-menu [next-tag-otherw]
 398   '(menu-item "Next Tag in Other Window"
 399               menu-bar-next-tag-other-window
 400               :enable (and (boundp 'tags-location-ring)
 401                            (not (ring-empty-p tags-location-ring)))
 402               :help "Find next function/variable matching last tag name in another window"))
 403
 404 (defun menu-bar-next-tag-other-window ()
 405   "Find the next definition of the tag already specified."
 406   (interactive)
 407   (find-tag-other-window nil t))
 408
 409 (defun menu-bar-next-tag ()
 410   "Find the next definition of the tag already specified."
 411   (interactive)
 412   (find-tag nil t))
 413
 414 (define-key menu-bar-goto-menu [next-tag]
 415   '(menu-item "Find Next Tag"
 416               menu-bar-next-tag
 417               :enable (and (boundp 'tags-location-ring)
 418                            (not (ring-empty-p tags-location-ring)))
 419               :help "Find next function/variable matching last tag name"))
 420 (define-key menu-bar-goto-menu [find-tag-otherw]
 421   '(menu-item "Find Tag in Other Window..." find-tag-other-window
 422               :help "Find function/variable definition in another window"))
 423 (define-key menu-bar-goto-menu [find-tag]
 424   '(menu-item "Find Tag..." find-tag
 425               :help "Find definition of function or variable"))
 426
 427 (define-key menu-bar-goto-menu [separator-tags]
 428   '(menu-item "--"))
 429
 430 (define-key menu-bar-goto-menu [end-of-buf]
 431   '(menu-item "Goto End of Buffer" end-of-buffer))
 432 (define-key menu-bar-goto-menu [beg-of-buf]
 433   '(menu-item "Goto Beginning of Buffer" beginning-of-buffer))
 434 (define-key menu-bar-goto-menu [go-to-pos]
 435   '(menu-item "Goto Buffer Position..." goto-char
 436               :help "Read a number N and go to buffer position N"))
 437 (define-key menu-bar-goto-menu [go-to-line]
 438   '(menu-item "Goto Line..." goto-line
 439               :help "Read a line number and go to that line"))
 440
 441 (define-key menu-bar-edit-menu [goto]
 442   (list 'menu-item "Go To" menu-bar-goto-menu))
 443
 444 (define-key menu-bar-edit-menu [replace]
 445   (list 'menu-item "Replace" menu-bar-replace-menu))
 446
 447 (define-key menu-bar-edit-menu [search]
 448   (list 'menu-item "Search" menu-bar-search-menu))
 449
 450 (define-key menu-bar-edit-menu [separator-search]
 451   '(menu-item "--"))
 452
 453 (define-key menu-bar-edit-menu [mark-whole-buffer]
 454   '(menu-item "Select All" mark-whole-buffer
 455               :help "Mark the whole buffer for a subsequent cut/copy."))
 456 (define-key menu-bar-edit-menu [clear]
 457   '(menu-item "Clear" delete-region
 458               :enable (and mark-active
 459                            (not buffer-read-only)
 460                            (not (mouse-region-match)))
 461               :help
 462               "Delete the text in region between mark and current position"))
 463 (defvar yank-menu (cons "Select Yank" nil))
 464 (fset 'yank-menu (cons 'keymap yank-menu))
 465 (define-key menu-bar-edit-menu [paste-from-menu]
 466   '(menu-item "Paste from kill menu" yank-menu
 467               :enable (and (cdr yank-menu) (not buffer-read-only))
 468               :help "Choose a string from the kill ring and paste it"))
 469 (define-key menu-bar-edit-menu [paste]
 470   '(menu-item "Paste" yank
 471               :enable (and
 472                        ;; Emacs compiled --without-x doesn't have
 473                        ;; x-selection-exists-p.
 474                        (fboundp 'x-selection-exists-p)
 475                        (x-selection-exists-p) (not buffer-read-only))
 476               :help "Paste (yank) text most recently cut/copied"))
 477 (define-key menu-bar-edit-menu [copy]
 478   '(menu-item "Copy" menu-bar-kill-ring-save
 479               :enable mark-active
 480               :help "Copy text in region between mark and current position"
 481               :keys "\\[kill-ring-save]"))
 482 (define-key menu-bar-edit-menu [cut]
 483   '(menu-item "Cut" kill-region
 484               :enable (and mark-active (not buffer-read-only))
 485               :help
 486               "Cut (kill) text in region between mark and current position"))
 487 (define-key menu-bar-edit-menu [undo]
 488   '(menu-item "Undo" undo
 489               :enable (and (not buffer-read-only)
 490                            (not (eq t buffer-undo-list))
 491                            (if (eq last-command 'undo)
 492                                (listp pending-undo-list)
 493                              (consp buffer-undo-list)))
 494               :help "Undo last operation"))
 495
 496
 497 (defun menu-bar-kill-ring-save (beg end)
 498   (interactive "r")
 499   (if (mouse-region-match)
 500       (message "Selecting a region with the mouse does `copy' automatically")
 501     (kill-ring-save beg end)))
 502
 503 ;; These are alternative definitions for the cut, paste and copy
 504 ;; menu items.  Use them if your system expects these to use the clipboard.
 505
 506 (put 'clipboard-kill-region 'menu-enable 'mark-active)
 507 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 508 (put 'clipboard-yank 'menu-enable
 509      '(or (and (fboundp 'x-selection-exists-p) (x-selection-exists-p))
 510           (x-selection-exists-p 'CLIPBOARD)))
 511
 512 (defun clipboard-yank ()
 513   "Insert the clipboard contents, or the last stretch of killed text."
 514   (interactive "*")
 515   (let ((x-select-enable-clipboard t))
 516     (yank)))
 517
 518 (defun clipboard-kill-ring-save (beg end)
 519   "Copy region to kill ring, and save in the X clipboard."
 520   (interactive "r")
 521   (let ((x-select-enable-clipboard t))
 522     (kill-ring-save beg end)))
 523
 524 (defun clipboard-kill-region (beg end)
 525   "Kill the region, and save it in the X clipboard."
 526   (interactive "r")
 527   (let ((x-select-enable-clipboard t))
 528     (kill-region beg end)))
 529
 530 (defun menu-bar-enable-clipboard ()
 531   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 532 Do the same for the keys of the same name."
 533   (interactive)
 534   ;; We can't use constant list structure here because it becomes pure,
 535   ;; and because it gets modified with cache data.
 536   (define-key menu-bar-edit-menu [paste]
 537     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 538   (define-key menu-bar-edit-menu [copy]
 539     (cons "Copy" (cons "Copy text in region to the clipboard"
 540                        'clipboard-kill-ring-save)))
 541   (define-key menu-bar-edit-menu [cut]
 542     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 543                       'clipboard-kill-region)))
 544
 545   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 546   ;; (also for XFree86 on Sun keyboard):
 547   (define-key global-map [f20] 'clipboard-kill-region)
 548   (define-key global-map [f16] 'clipboard-kill-ring-save)
 549   (define-key global-map [f18] 'clipboard-yank)
 550   ;; X11R6 versions:
 551   (define-key global-map [cut] 'clipboard-kill-region)
 552   (define-key global-map [copy] 'clipboard-kill-ring-save)
 553   (define-key global-map [paste] 'clipboard-yank))
 554 \f
 555 ;; The "Options" menu items
 556
 557 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 558
 559 (define-key menu-bar-custom-menu [customize-apropos-groups]
 560   '(menu-item "Groups Matching Regexp..." customize-apropos-groups
 561               :help "Browse groups whose names match regexp"))
 562 (define-key menu-bar-custom-menu [customize-apropos-faces]
 563   '(menu-item "Faces Matching Regexp..." customize-apropos-faces
 564               :help "Browse faces whose names match regexp"))
 565 (define-key menu-bar-custom-menu [customize-apropos-options]
 566   '(menu-item "Options Matching Regexp..." customize-apropos-options
 567               :help "Browse options whose names match regexp"))
 568 (define-key menu-bar-custom-menu [customize-apropos]
 569   '(menu-item "Settings Matching Regexp..." customize-apropos
 570               :help "Browse customizable settings whose names match regexp"))
 571 (define-key menu-bar-custom-menu [separator-1]
 572   '("--"))
 573 (define-key menu-bar-custom-menu [customize-group]
 574   '(menu-item "Specific Group..." customize-group
 575               :help "Customize settings of specific group"))
 576 (define-key menu-bar-custom-menu [customize-face]
 577   '(menu-item "Specific Face..." customize-face
 578               :help "Customize attributes of specific face"))
 579 (define-key menu-bar-custom-menu [customize-option]
 580   '(menu-item "Specific Option..." customize-option
 581               :help "Customize value of specific option"))
 582 (define-key menu-bar-custom-menu [separator-2]
 583   '("--"))
 584 (define-key menu-bar-custom-menu [customize-changed-options]
 585   '(menu-item "New Options..." customize-changed-options
 586               :help "Options added or changed in recent Emacs versions"))
 587 (define-key menu-bar-custom-menu [customize-saved]
 588   '(menu-item "Saved Options" customize-saved
 589               :help "Customize previously saved options"))
 590 (define-key menu-bar-custom-menu [separator-3]
 591   '("--"))
 592 (define-key menu-bar-custom-menu [customize-browse]
 593   '(menu-item "Browse Customization Groups" customize-browse
 594               :help "Browse all customization groups"))
 595 (define-key menu-bar-custom-menu [customize]
 596   '(menu-item "Top-level Customization Group" customize
 597               :help "The master group called `Emacs'"))
 598
 599 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 600
 601 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 602   "Make a menu-item for a global minor mode toggle.
 603 FNAME is the minor mode's name (variable and function).
 604 DOC is the text to use for the menu entry.
 605 HELP is the text to use for the tooltip.
 606 PROPS are additional properties."
 607   `'(menu-item ,doc ,fname
 608      ,@props
 609      :help ,help
 610      :button (:toggle . (and (default-boundp ',fname)
 611                              (default-value ',fname)))))
 612
 613 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 614   `(progn
 615      (defun ,name (&optional interactively)
 616        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 617                 (substring help 1) ".
 618 In an interactive call, record this option as a candidate for saving
 619 by \"Save Options\" in Custom buffers.")
 620        (interactive "p")
 621        (if ,(if body `(progn . ,body)
 622               `(progn
 623                  (custom-load-symbol ',variable)
 624                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 625                        (get (or (get ',variable 'custom-get) 'default-value)))
 626                    (funcall set ',variable (not (funcall get ',variable))))))
 627            (message ,message "enabled globally")
 628          (message ,message "disabled globally"))
 629        ;; The function `customize-mark-as-set' must only be called when
 630        ;; a variable is set interactively, as the purpose is to mark it as
 631        ;; a candidate for "Save Options", and we do not want to save options
 632        ;; the user have already set explicitly in his init file.
 633        (if interactively (customize-mark-as-set ',variable)))
 634      '(menu-item ,doc ,name
 635                  :help ,help
 636                  :button (:toggle . (and (default-boundp ',variable)
 637                                          (default-value ',variable))))))
 638
 639 ;;; Assemble all the top-level items of the "Options" menu
 640 (define-key menu-bar-options-menu [customize]
 641   (list 'menu-item "Customize Emacs" menu-bar-custom-menu))
 642
 643 (defun menu-bar-options-save ()
 644   "Save current values of Options menu items using Custom."
 645   (interactive)
 646   (let ((need-save nil))
 647     ;; These are set with menu-bar-make-mm-toggle, which does not
 648     ;; put on a customized-value property.
 649     (dolist (elt '(line-number-mode column-number-mode size-indication-mode
 650                    cua-mode show-paren-mode transient-mark-mode
 651                    blink-cursor-mode display-time-mode display-battery-mode))
 652       (and (customize-mark-to-save elt)
 653            (setq need-save t)))
 654     ;; These are set with `customize-set-variable'.
 655     (dolist (elt '(scroll-bar-mode
 656                    debug-on-quit debug-on-error
 657                    tooltip-mode menu-bar-mode tool-bar-mode
 658                    save-place uniquify-buffer-name-style fringe-mode
 659                    indicate-empty-lines indicate-buffer-boundaries
 660                    case-fold-search
 661                    current-language-environment default-input-method
 662                    ;; Saving `text-mode-hook' is somewhat questionable,
 663                    ;; as we might get more than we bargain for, if
 664                    ;; other code may has added hooks as well.
 665                    ;; Nonetheless, not saving it would like be confuse
 666                    ;; more often.
 667                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 668                    text-mode-hook))
 669       (and (get elt 'customized-value)
 670            (customize-mark-to-save elt)
 671            (setq need-save t)))
 672     ;; Save if we changed anything.
 673     (when need-save
 674       (custom-save-all))))
 675
 676 (define-key menu-bar-options-menu [save]
 677   '(menu-item "Save Options" menu-bar-options-save
 678               :help "Save options set from the menu above"))
 679
 680 (define-key menu-bar-options-menu [custom-separator]
 681   '("--"))
 682
 683 (define-key menu-bar-options-menu [mouse-set-font]
 684   '(menu-item "Set Font/Fontset..." mouse-set-font
 685                :visible (display-multi-font-p)
 686                :help "Select a font from list of known fonts/fontsets"))
 687
 688 ;; The "Show/Hide" submenu of menu "Options"
 689
 690 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 691
 692 (define-key menu-bar-showhide-menu [column-number-mode]
 693   (menu-bar-make-mm-toggle column-number-mode
 694                            "Column Numbers"
 695                            "Show the current column number in the mode line"))
 696
 697 (define-key menu-bar-showhide-menu [line-number-mode]
 698   (menu-bar-make-mm-toggle line-number-mode
 699                            "Line Numbers"
 700                            "Show the current line number in the mode line"))
 701
 702 (define-key menu-bar-showhide-menu [size-indication-mode]
 703   (menu-bar-make-mm-toggle size-indication-mode
 704                            "Size Indication"
 705                            "Show the size of the buffer in the mode line"))
 706
 707 (define-key menu-bar-showhide-menu [linecolumn-separator]
 708   '("--"))
 709
 710 (define-key menu-bar-showhide-menu [showhide-battery]
 711   (menu-bar-make-mm-toggle display-battery-mode
 712                            "Battery Status"
 713                            "Display battery status information in mode line"))
 714
 715 (define-key menu-bar-showhide-menu [showhide-date-time]
 716   (menu-bar-make-mm-toggle display-time-mode
 717                            "Time, Load and Mail"
 718                            "Display time, system load averages and \
 719 mail status in mode line"))
 720
 721 (define-key menu-bar-showhide-menu [datetime-separator]
 722   '("--"))
 723
 724 (define-key menu-bar-showhide-menu [showhide-speedbar]
 725   '(menu-item "Speedbar" speedbar-frame-mode
 726               :help "Display a Speedbar quick-navigation frame"
 727               :button (:toggle
 728                        . (and (boundp 'speedbar-frame)
 729                               (frame-live-p (symbol-value 'speedbar-frame))
 730                               (frame-visible-p
 731                                (symbol-value 'speedbar-frame))))))
 732
 733 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 734
 735 (defvar menu-bar-showhide-fringe-ind-menu
 736   (make-sparse-keymap "Buffer boundaries"))
 737
 738 (defun menu-bar-showhide-fringe-ind-customize ()
 739   "Show customization buffer for `indicate-buffer-boundaries'."
 740   (interactive)
 741   (customize-variable 'indicate-buffer-boundaries))
 742
 743 (define-key menu-bar-showhide-fringe-ind-menu [customize]
 744   '(menu-item "Other (Customize)"
 745               menu-bar-showhide-fringe-ind-customize
 746               :help "Additional choices available through Custom buffer"
 747               :visible (display-graphic-p)))
 748
 749 (defun menu-bar-showhide-fringe-ind-mixed ()
 750   "Display top and bottom indicators in opposite fringes, arrows in right."
 751   (interactive)
 752   (customize-set-variable 'indicate-buffer-boundaries
 753                           '((t . right) (top . left))))
 754
 755 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 756   '(menu-item "Opposite, Arrows Right" menu-bar-showhide-fringe-ind-mixed
 757               :help
 758               "Show top/bottom indicators in opposite fringes, arrows in right"
 759               :visible (display-graphic-p)
 760               :button (:radio . (eq indicate-buffer-boundaries
 761                                     '((t . right) (top . left))))))
 762
 763 (defun menu-bar-showhide-fringe-ind-box ()
 764   "Display top and bottom indicators in opposite fringes."
 765   (interactive)
 766   (customize-set-variable 'indicate-buffer-boundaries
 767                           '((top . left) (bottom . right))))
 768
 769 (define-key menu-bar-showhide-fringe-ind-menu [box]
 770   '(menu-item "Opposite, No Arrows" menu-bar-showhide-fringe-ind-box
 771               :help "Show top/bottom indicators in opposite fringes, no arrows"
 772               :visible (display-graphic-p)
 773               :button (:radio . (eq indicate-buffer-boundaries
 774                                     '((top . left) (bottom . right))))))
 775
 776 (defun menu-bar-showhide-fringe-ind-right ()
 777   "Display buffer boundaries and arrows in the right fringe."
 778   (interactive)
 779   (customize-set-variable 'indicate-buffer-boundaries 'right))
 780
 781 (define-key menu-bar-showhide-fringe-ind-menu [right]
 782   '(menu-item "In Right Fringe" menu-bar-showhide-fringe-ind-right
 783               :help "Show buffer boundaries and arrows in right fringe"
 784               :visible (display-graphic-p)
 785               :button (:radio . (eq indicate-buffer-boundaries 'right))))
 786
 787 (defun menu-bar-showhide-fringe-ind-left ()
 788   "Display buffer boundaries and arrows in the left fringe."
 789   (interactive)
 790   (customize-set-variable 'indicate-buffer-boundaries 'left))
 791
 792 (define-key menu-bar-showhide-fringe-ind-menu [left]
 793   '(menu-item "In Left Fringe" menu-bar-showhide-fringe-ind-left
 794               :help "Show buffer boundaries and arrows in left fringe"
 795               :visible (display-graphic-p)
 796               :button (:radio . (eq indicate-buffer-boundaries 'left))))
 797
 798 (defun menu-bar-showhide-fringe-ind-none ()
 799   "Do not display any buffer boundary indicators."
 800   (interactive)
 801   (customize-set-variable 'indicate-buffer-boundaries nil))
 802
 803 (define-key menu-bar-showhide-fringe-ind-menu [none]
 804   '(menu-item "No Indicators" menu-bar-showhide-fringe-ind-none
 805               :help "Hide all buffer boundary indicators and arrows"
 806               :visible (display-graphic-p)
 807               :button (:radio . (eq indicate-buffer-boundaries nil))))
 808
 809 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 810   (list 'menu-item "Buffer Boundaries" menu-bar-showhide-fringe-ind-menu
 811         :visible `(display-graphic-p)
 812         :help "Indicate buffer boundaries in fringe"))
 813
 814 (define-key menu-bar-showhide-fringe-menu [indicate-empty-lines]
 815   (menu-bar-make-toggle toggle-indicate-empty-lines indicate-empty-lines
 816                         "Empty Line Indicators"
 817                         "Indicating of empty lines %s"
 818                         "Indicate trailing empty lines in fringe, globally"))
 819
 820 (defun menu-bar-showhide-fringe-menu-customize ()
 821   "Show customization buffer for `fringe-mode'."
 822   (interactive)
 823   (customize-variable 'fringe-mode))
 824
 825 (define-key menu-bar-showhide-fringe-menu [customize]
 826   '(menu-item "Customize Fringe" menu-bar-showhide-fringe-menu-customize
 827               :help "Detailed customization of fringe"
 828               :visible (display-graphic-p)))
 829
 830 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 831   "Reset the fringe mode: display fringes on both sides of a window."
 832   (interactive)
 833   (customize-set-variable 'fringe-mode nil))
 834
 835 (define-key menu-bar-showhide-fringe-menu [default]
 836   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 837               :help "Default width fringe on both left and right side"
 838               :visible (display-graphic-p)
 839               :button (:radio . (eq fringe-mode nil))))
 840
 841 (defun menu-bar-showhide-fringe-menu-customize-right ()
 842   "Display fringes only on the right of each window."
 843   (interactive)
 844   (require 'fringe)
 845   (customize-set-variable 'fringe-mode '(0 . nil)))
 846
 847 (define-key menu-bar-showhide-fringe-menu [right]
 848   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 849               :help "Fringe only on the right side"
 850               :visible (display-graphic-p)
 851               :button (:radio . (equal fringe-mode '(0 . nil)))))
 852
 853 (defun menu-bar-showhide-fringe-menu-customize-left ()
 854   "Display fringes only on the left of each window."
 855   (interactive)
 856   (require 'fringe)
 857   (customize-set-variable 'fringe-mode '(nil . 0)))
 858
 859 (define-key menu-bar-showhide-fringe-menu [left]
 860   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 861               :help "Fringe only on the left side"
 862               :visible (display-graphic-p)
 863               :button (:radio . (equal fringe-mode '(nil . 0)))))
 864
 865 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 866   "Do not display window fringes."
 867   (interactive)
 868   (require 'fringe)
 869   (customize-set-variable 'fringe-mode 0))
 870
 871 (define-key menu-bar-showhide-fringe-menu [none]
 872   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 873               :help "Turn off fringe"
 874               :visible (display-graphic-p)
 875               :button (:radio . (eq fringe-mode 0))))
 876
 877 (define-key menu-bar-showhide-menu [showhide-fringe]
 878   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 879         :visible `(display-graphic-p)))
 880
 881 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 882
 883 (define-key menu-bar-showhide-scroll-bar-menu [right]
 884   '(menu-item "On the Right"
 885               menu-bar-right-scroll-bar
 886               :help "Scroll-bar on the right side"
 887               :visible (display-graphic-p)
 888               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 889                                                (frame-parameters))) 'right))))
 890 (defun menu-bar-right-scroll-bar ()
 891   "Display scroll bars on the right of each window."
 892   (interactive)
 893   (customize-set-variable 'scroll-bar-mode 'right))
 894
 895 (define-key menu-bar-showhide-scroll-bar-menu [left]
 896   '(menu-item "On the Left"
 897               menu-bar-left-scroll-bar
 898               :help "Scroll-bar on the left side"
 899               :visible (display-graphic-p)
 900               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 901                                                (frame-parameters))) 'left))))
 902
 903 (defun menu-bar-left-scroll-bar ()
 904   "Display scroll bars on the left of each window."
 905   (interactive)
 906   (customize-set-variable 'scroll-bar-mode 'left))
 907
 908 (define-key menu-bar-showhide-scroll-bar-menu [none]
 909   '(menu-item "None"
 910               menu-bar-no-scroll-bar
 911               :help "Turn off scroll-bar"
 912               :visible (display-graphic-p)
 913               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 914                                                (frame-parameters))) nil))))
 915
 916 (defun menu-bar-no-scroll-bar ()
 917   "Turn off scroll bars."
 918   (interactive)
 919   (customize-set-variable 'scroll-bar-mode nil))
 920
 921 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 922   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 923         :visible `(display-graphic-p)))
 924
 925 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 926   (list 'menu-item "Tooltips" 'tooltip-mode
 927         :help "Turn tooltips on/off"
 928         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 929         :button `(:toggle . tooltip-mode)))
 930
 931 (define-key menu-bar-showhide-menu [menu-bar-mode]
 932   '(menu-item "Menu-bar" menu-bar-mode
 933               :help "Turn menu-bar on/off"
 934               :button (:toggle . menu-bar-mode)))
 935
 936 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 937   (list 'menu-item "Tool-bar" 'tool-bar-mode
 938         :help "Turn tool-bar on/off"
 939         :visible `(display-graphic-p)
 940         :button `(:toggle . tool-bar-mode)))
 941
 942 (define-key menu-bar-options-menu [showhide]
 943   (list 'menu-item "Show/Hide" menu-bar-showhide-menu))
 944
 945 (define-key menu-bar-options-menu [showhide-separator]
 946   '("--"))
 947
 948 (define-key menu-bar-options-menu [mule]
 949   ;; It is better not to use backquote here,
 950   ;; because that makes a bootstrapping problem
 951   ;; if you need to recompile all the Lisp files using interpreted code.
 952   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 953 ;; Most of the MULE menu actually does make sense in unibyte mode,
 954 ;; e.g. language selection.
 955 ;;;     ':visible 'default-enable-multibyte-characters
 956         ))
 957 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 958 ;(define-key menu-bar-options-menu [preferences]
 959 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 960 ;       :help "Toggle important global options"))
 961
 962 (define-key menu-bar-options-menu [mule-separator]
 963   '("--"))
 964
 965 (define-key menu-bar-options-menu [debug-on-quit]
 966   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 967                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 968                         "Enter Lisp debugger when C-g is pressed"))
 969 (define-key menu-bar-options-menu [debug-on-error]
 970   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 971                         "Enter Debugger on Error" "Debug on Error %s"
 972                         "Enter Lisp debugger when an error is signaled"))
 973 (define-key menu-bar-options-menu [debugger-separator]
 974   '("--"))
 975
 976 (define-key menu-bar-options-menu [blink-cursor-mode]
 977   (menu-bar-make-mm-toggle blink-cursor-mode
 978                            "Blinking Cursor"
 979                            "Whether the cursor blinks (Blink Cursor mode)"))
 980 (define-key menu-bar-options-menu [cursor-separator]
 981   '("--"))
 982
 983 (define-key menu-bar-options-menu [save-place]
 984   (menu-bar-make-toggle toggle-save-place-globally save-place
 985                         "Save Place in Files between Sessions"
 986                         "Saving place in files %s"
 987                         "Visit files of previous session when restarting Emacs"
 988                         (require 'saveplace)
 989                         ;; Do it by name, to avoid a free-variable
 990                         ;; warning during byte compilation.
 991                         (set-default
 992                          'save-place (not (symbol-value 'save-place)))))
 993
 994 (define-key menu-bar-options-menu [uniquify]
 995   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
 996                         "Use Directory Names in Buffer Names"
 997                         "Directory name in buffer names (uniquify) %s"
 998                         "Uniquify buffer names by adding parent directory names"
 999                         (require 'uniquify)
1000                         (setq uniquify-buffer-name-style
1001                               (if (not uniquify-buffer-name-style)
1002                                   'forward))))
1003
1004 (define-key menu-bar-options-menu [edit-options-separator]
1005   '("--"))
1006 (define-key menu-bar-options-menu [cua-mode]
1007   (menu-bar-make-mm-toggle cua-mode
1008                            "C-x/C-c/C-v Cut and Paste (CUA)"
1009                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"
1010                            (:visible (or (not (boundp 'cua-enable-cua-keys))
1011                                          cua-enable-cua-keys))))
1012
1013 (define-key menu-bar-options-menu [cua-emulation-mode]
1014   (menu-bar-make-mm-toggle cua-mode
1015                            "Shift movement mark region (CUA)"
1016                            "Use shifted movement keys to set and extend the region."
1017                            (:visible (and (boundp 'cua-enable-cua-keys)
1018                                           (not cua-enable-cua-keys)))))
1019
1020 (define-key menu-bar-options-menu [case-fold-search]
1021   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1022             "Case-Insensitive Search"
1023             "Case-Insensitive Search %s"
1024             "Globally ignore letter-case in search"))
1025
1026 (defun menu-bar-text-mode-auto-fill ()
1027   (interactive)
1028   (toggle-text-mode-auto-fill)
1029   ;; This is somewhat questionable, as `text-mode-hook'
1030   ;; might have changed outside customize.
1031   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1032   (customize-mark-as-set 'text-mode-hook))
1033
1034 (define-key menu-bar-options-menu [auto-fill-mode]
1035   '(menu-item "Word Wrap in Text Modes"
1036               menu-bar-text-mode-auto-fill
1037               :help "Automatically fill text between left and right margins (Auto Fill)"
1038               :button (:toggle . (if (listp text-mode-hook)
1039                                      (member 'turn-on-auto-fill text-mode-hook)
1040                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1041 (define-key menu-bar-options-menu [truncate-lines]
1042   '(menu-item "Truncate Long Lines in this Buffer"
1043               toggle-truncate-lines
1044               :help "Truncate long lines on the screen"
1045               :button (:toggle . truncate-lines)
1046               :enable (menu-bar-menu-frame-live-and-visible-p)))
1047
1048 (define-key menu-bar-options-menu [highlight-separator]
1049   '("--"))
1050 (define-key menu-bar-options-menu [highlight-paren-mode]
1051   (menu-bar-make-mm-toggle show-paren-mode
1052                            "Paren Match Highlighting"
1053                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1054 (define-key menu-bar-options-menu [transient-mark-mode]
1055   (menu-bar-make-mm-toggle transient-mark-mode
1056                            "Active Region Highlighting"
1057                            "Make text in active region stand out in color (Transient Mark mode)"
1058                            (:enable (not cua-mode))))
1059
1060 \f
1061 ;; The "Tools" menu items
1062
1063 (defun send-mail-item-name ()
1064   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1065                                      (mh-e-user-agent . "MH")
1066                                      (message-user-agent . "Gnus Message")
1067                                      (gnus-user-agent . "Gnus")))
1068          (name (assq mail-user-agent known-send-mail-commands)))
1069     (if name
1070         (setq name (cdr name))
1071       (setq name (symbol-name mail-user-agent))
1072       (if (string-match "\\(.+\\)-user-agent" name)
1073           (setq name (match-string 1 name))))
1074     name))
1075
1076 (defun read-mail-item-name ()
1077   (let* ((known-rmail-commands '((rmail . "RMAIL")
1078                                  (mh-rmail . "MH")
1079                                  (gnus . "Gnus")))
1080          (known (assq read-mail-command known-rmail-commands)))
1081     (if known (cdr known) (symbol-name read-mail-command))))
1082
1083 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1084
1085 (define-key menu-bar-tools-menu [games]
1086   (list 'menu-item "Games" menu-bar-games-menu))
1087
1088 (define-key menu-bar-tools-menu [separator-games]
1089   '("--"))
1090
1091 (define-key menu-bar-games-menu [zone]
1092   '(menu-item "Zone Out"  zone
1093               :help "Play tricks with Emacs display when Emacs is idle"))
1094 (define-key menu-bar-games-menu [tetris]
1095   '(menu-item "Tetris"  tetris))
1096 (define-key menu-bar-games-menu [solitaire]
1097   '(menu-item "Solitaire"  solitaire))
1098 (define-key menu-bar-games-menu [snake]
1099   '(menu-item "Snake"  snake
1100               :help "Move snake around avoiding collisions"))
1101 (define-key menu-bar-games-menu [mult]
1102   '(menu-item "Multiplication Puzzle"  mpuz
1103               :help "Exercise brain with multiplication"))
1104 (define-key menu-bar-games-menu [life]
1105   '(menu-item "Life"  life
1106               :help "Watch how John Conway's cellular automaton evolves"))
1107 (define-key menu-bar-games-menu [hanoi]
1108   '(menu-item "Towers of Hanoi" hanoi
1109               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1110 (define-key menu-bar-games-menu [gomoku]
1111   '(menu-item "Gomoku"  gomoku
1112               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1113 (define-key menu-bar-games-menu [black-box]
1114   '(menu-item "Blackbox"  blackbox
1115               :help "Find balls in a black box by shooting rays"))
1116 (define-key menu-bar-games-menu [adventure]
1117   '(menu-item "Adventure"  dunnet
1118               :help "Dunnet, a text Adventure game for Emacs"))
1119 (define-key menu-bar-games-menu [5x5]
1120   '(menu-item "5x5" 5x5
1121               :help "Fill in all the squares on a 5x5 board"))
1122
1123 (define-key menu-bar-tools-menu [simple-calculator]
1124   '(menu-item "Simple Calculator" calculator
1125               :help "Invoke the Emacs built-in quick calculator"))
1126 (define-key menu-bar-tools-menu [calc]
1127   '(menu-item "Programmable Calculator" calc
1128               :help "Invoke the Emacs built-in full scientific calculator"))
1129 (define-key menu-bar-tools-menu [calendar]
1130   '(menu-item "Calendar" calendar
1131               :help "Invoke the Emacs built-in calendar"))
1132
1133 (define-key menu-bar-tools-menu [separator-net]
1134   '("--"))
1135
1136 (define-key menu-bar-tools-menu [directory-search]
1137   '(menu-item "Directory Search" eudc-tools-menu))
1138 (define-key menu-bar-tools-menu [compose-mail]
1139   (list
1140    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1141    'compose-mail
1142    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1143    :help "Send a mail message"))
1144 (define-key menu-bar-tools-menu [rmail]
1145   (list
1146    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1147    'menu-bar-read-mail
1148    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1149    :help "Read your mail and reply to it"))
1150
1151 (defun menu-bar-read-mail ()
1152   "Read mail using `read-mail-command'."
1153   (interactive)
1154   (call-interactively read-mail-command))
1155
1156 (define-key menu-bar-tools-menu [gnus]
1157   '(menu-item "Read Net News (Gnus)" gnus
1158               :help "Read network news groups"))
1159
1160 (define-key menu-bar-tools-menu [separator-vc]
1161   '("--"))
1162
1163 (defvar vc-menu-map (make-sparse-keymap "Version Control"))
1164 (define-key menu-bar-tools-menu [pcl-cvs]
1165   '(menu-item "PCL-CVS" cvs-global-menu))
1166 (define-key menu-bar-tools-menu [vc]
1167   (list 'menu-item "Version Control" vc-menu-map))
1168
1169 (define-key menu-bar-tools-menu [separator-compare]
1170   '("--"))
1171
1172 (define-key menu-bar-tools-menu [ediff-misc]
1173   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu))
1174 (define-key menu-bar-tools-menu [epatch]
1175   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1176 (define-key menu-bar-tools-menu [ediff-merge]
1177   '(menu-item "Merge" menu-bar-ediff-merge-menu))
1178 (define-key menu-bar-tools-menu [compare]
1179   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu))
1180
1181 (define-key menu-bar-tools-menu [separator-spell]
1182   '("--"))
1183
1184 (define-key menu-bar-tools-menu [spell]
1185   '(menu-item "Spell Checking" ispell-menu-map))
1186
1187 (define-key menu-bar-tools-menu [separator-prog]
1188   '("--"))
1189
1190 (define-key menu-bar-tools-menu [gdb]
1191   '(menu-item "Debugger (GDB)..." gdb
1192               :help "Debug a program from within Emacs with GDB"))
1193 (define-key menu-bar-tools-menu [shell-on-region]
1194   '(menu-item "Shell Command on Region..." shell-command-on-region
1195               :enable mark-active
1196               :help "Pass marked region to a shell command"))
1197 (define-key menu-bar-tools-menu [shell]
1198   '(menu-item "Shell Command..." shell-command
1199               :help "Invoke a shell command and catch its output"))
1200 (define-key menu-bar-tools-menu [compile]
1201   '(menu-item "Compile..." compile
1202               :help "Invoke compiler or Make, view compilation errors"))
1203 (define-key menu-bar-tools-menu [grep]
1204   '(menu-item "Search Files (with grep)..." grep
1205               :help "Search files for strings or regexps (with grep)"))
1206
1207 \f
1208 ;; The "Help" menu items
1209
1210 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1211
1212 (define-key menu-bar-describe-menu [mule-diag]
1213   '(menu-item "Show All of Mule Status" mule-diag
1214               :visible default-enable-multibyte-characters
1215               :help "Display multilingual environment settings"))
1216 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1217   '(menu-item "Describe Coding System (Briefly)..."
1218               describe-current-coding-system-briefly
1219               :visible default-enable-multibyte-characters))
1220 (define-key menu-bar-describe-menu [describe-coding-system]
1221   '(menu-item "Describe Coding System..." describe-coding-system
1222               :visible default-enable-multibyte-characters))
1223 (define-key menu-bar-describe-menu [describe-input-method]
1224   '(menu-item "Describe Input Method..." describe-input-method
1225               :visible default-enable-multibyte-characters
1226               :help "Keyboard layout for specific input method"))
1227 (define-key menu-bar-describe-menu [describe-language-environment]
1228   (list 'menu-item "Describe Language Environment"
1229         describe-language-environment-map))
1230
1231 (define-key menu-bar-describe-menu [separator-desc-mule]
1232   '("--"))
1233
1234 (define-key menu-bar-describe-menu [list-keybindings]
1235   '(menu-item "List Key Bindings" describe-bindings
1236               :help "Display all current keybindings (keyboard shortcuts)"))
1237 (define-key menu-bar-describe-menu [describe-current-display-table]
1238   '(menu-item "Describe Display Table" describe-current-display-table
1239               :help "Describe the current display table"))
1240 (define-key menu-bar-describe-menu [describe-face]
1241   '(menu-item "Describe Face..." describe-face
1242               :help "Display the properties of a face"))
1243 (define-key menu-bar-describe-menu [describe-variable]
1244   '(menu-item "Describe Variable..." describe-variable
1245               :help "Display documentation of variable/option"))
1246 (define-key menu-bar-describe-menu [describe-function]
1247   '(menu-item "Describe Function..." describe-function
1248               :help "Display documentation of function/command"))
1249 (define-key menu-bar-describe-menu [describe-key-1]
1250   '(menu-item "Describe Key or Mouse Operation..." describe-key
1251               ;; Users typically don't identify keys and menu items...
1252               :help "Display documentation of command bound to a \
1253 key, a click, or a menu-item"))
1254 (define-key menu-bar-describe-menu [describe-mode]
1255   '(menu-item "Describe Buffer Modes" describe-mode
1256               :help "Describe this buffer's major and minor mode"))
1257
1258 (defvar menu-bar-apropos-menu (make-sparse-keymap "Apropos"))
1259 (defun menu-bar-read-lispref ()
1260   "Display the Emacs Lisp Reference manual in Info mode."
1261   (interactive)
1262   (info "elisp"))
1263
1264 (defun menu-bar-read-lispintro ()
1265   "Display the Introduction to Emacs Lisp Programming in Info mode."
1266   (interactive)
1267   (info "eintr"))
1268
1269 (defun search-emacs-glossary ()
1270   "Display the Glossary node of the Emacs manual in Info mode."
1271   (interactive)
1272   (info "(emacs)Glossary"))
1273
1274 (defun emacs-index-search (topic)
1275   "Look up TOPIC in the indices of the Emacs User Manual."
1276   (interactive "sSubject to look up: ")
1277   (info "emacs")
1278   (Info-index topic))
1279
1280 (defun elisp-index-search (topic)
1281   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1282   (interactive "sSubject to look up: ")
1283   (info "elisp")
1284   (Info-index topic))
1285
1286 (define-key menu-bar-apropos-menu [apropos-documentation]
1287   '(menu-item "Search Documentation Strings..." apropos-documentation
1288               :help
1289               "Find functions and variables whose doc strings match a regexp"))
1290 (define-key menu-bar-apropos-menu [apropos]
1291   '(menu-item "Find Any Object by Name..."  apropos
1292               :help "Find symbols of any kind whose names match a regexp"))
1293 (define-key menu-bar-apropos-menu [apropos-value]
1294   '(menu-item "Find Options by Value..." apropos-value
1295               :help "Find variables whose values match a regexp"))
1296 (define-key menu-bar-apropos-menu [apropos-variables]
1297   '(menu-item "Find Options by Name..." apropos-variable
1298               :help "Find variables whose names match a regexp"))
1299 (define-key menu-bar-apropos-menu [apropos-commands]
1300   '(menu-item "Find Commands by Name..." apropos-command
1301               :help "Find commands whose names match a regexp"))
1302 (define-key menu-bar-apropos-menu [sep1]
1303   '("--"))
1304 (define-key menu-bar-apropos-menu [emacs-command-node]
1305   '(menu-item "Look Up Command in User Manual..." Info-goto-emacs-command-node
1306               :help "Display manual section that describes a command"))
1307 (define-key menu-bar-apropos-menu [emacs-key-command-node]
1308   '(menu-item "Look Up Key in User Manual..." Info-goto-emacs-key-command-node
1309               :help "Display manual section that describes a key"))
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-apropos]
1331   '(menu-item "Lookup Subject in all manuals..." info-apropos
1332               :help "Find description of a subject in all installed manuals"))
1333 (define-key menu-bar-manuals-menu [info]
1334   '(menu-item "All Other Manuals (Info)" Info-directory
1335               :help "Read any of the installed manuals"))
1336 (define-key menu-bar-manuals-menu [info-elisp]
1337   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1338               :help "Read the Emacs Lisp Reference manual"))
1339 (define-key menu-bar-manuals-menu [info-elintro]
1340   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1341               :help "Read the Introduction to Emacs Lisp Programming"))
1342
1343 (define-key menu-bar-help-menu [eliza]
1344   '(menu-item "Emacs Psychotherapist" doctor
1345               :help "Our doctor will help you feel better"))
1346 (define-key menu-bar-help-menu [sep4]
1347   '("--"))
1348 (define-key menu-bar-help-menu [describe-no-warranty]
1349   '(menu-item "(Non)Warranty" describe-no-warranty
1350               :help "Explain that Emacs has NO WARRANTY"))
1351 (define-key menu-bar-help-menu [describe-copying]
1352   '(menu-item "Copying Conditions" describe-copying
1353               :help "Show the Emacs license (GPL)"))
1354 (define-key menu-bar-help-menu [describe-distribution]
1355   '(menu-item "Getting New Versions" describe-distribution
1356               :help "How to get latest versions of Emacs"))
1357 (define-key menu-bar-help-menu [more]
1358   '(menu-item "External Packages" menu-bar-help-extra-packages
1359               :help "Lisp packages distributed separately for use in Emacs"))
1360 (defun menu-bar-help-extra-packages ()
1361   "Display help about some additional packages available for Emacs."
1362   (interactive)
1363   (let (enable-local-variables)
1364     (view-file (expand-file-name "MORE.STUFF"
1365                                  data-directory))
1366     (goto-address)))
1367 (define-key menu-bar-help-menu [about]
1368   '(menu-item "About Emacs" display-splash-screen
1369               :help "Display version number, copyright info, and basic help"))
1370 (define-key menu-bar-help-menu [sep2]
1371   '("--"))
1372 (define-key menu-bar-help-menu [finder-by-keyword]
1373   '(menu-item "Find Emacs Packages" finder-by-keyword
1374               :help "Find packages and features by keyword"))
1375 (define-key menu-bar-help-menu [manuals]
1376   (list 'menu-item "More Manuals" menu-bar-manuals-menu))
1377 (define-key menu-bar-help-menu [emacs-manual]
1378   '(menu-item "Read the Emacs Manual" info-emacs-manual
1379               :help "Full documentation of Emacs features"))
1380 (define-key menu-bar-help-menu [describe]
1381   (list 'menu-item "Describe" menu-bar-describe-menu))
1382 (define-key menu-bar-help-menu [apropos]
1383   (list 'menu-item "Search Documentation" menu-bar-apropos-menu))
1384 (define-key menu-bar-help-menu [sep1]
1385   '("--"))
1386 (define-key menu-bar-help-menu [report-emacs-bug]
1387   '(menu-item "Send Bug Report..." report-emacs-bug
1388               :help "Send e-mail to Emacs maintainers"))
1389 (define-key menu-bar-help-menu [emacs-problems]
1390   '(menu-item "Emacs Known Problems" view-emacs-problems
1391               :help "Read about known problems with Emacs"))
1392 (define-key menu-bar-help-menu [emacs-news]
1393   '(menu-item "Emacs News" view-emacs-news
1394               :help "New features of this version"))
1395 (define-key menu-bar-help-menu [emacs-faq]
1396   '(menu-item "Emacs FAQ" view-emacs-FAQ
1397               :help "Frequently asked (and answered) questions about Emacs"))
1398
1399 (defun help-with-tutorial-spec-language ()
1400   "Use the Emacs tutorial, specifying which language you want."
1401   (interactive)
1402   (help-with-tutorial t))
1403
1404 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1405   '(menu-item "Emacs Tutorial (choose language)..."
1406               help-with-tutorial-spec-language
1407               :help "Learn how to use Emacs (choose a language)"))
1408 (define-key menu-bar-help-menu [emacs-tutorial]
1409   '(menu-item "Emacs Tutorial" help-with-tutorial
1410               :help "Learn how to use Emacs"))
1411
1412 (defun menu-bar-menu-frame-live-and-visible-p ()
1413   "Return non-nil if the menu frame is alive and visible.
1414 The menu frame is the frame for which we are updating the menu."
1415   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1416     (and (frame-live-p menu-frame)
1417          (frame-visible-p menu-frame))))
1418
1419 (defun menu-bar-non-minibuffer-window-p ()
1420   "Return non-nil if selected window of the menu frame is not a minibuf window.
1421
1422 See the documentation of `menu-bar-menu-frame-live-and-visible-p'
1423 for the definition of the menu frame."
1424   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1425     (not (window-minibuffer-p (frame-selected-window menu-frame)))))
1426
1427 (defun kill-this-buffer ()      ; for the menu bar
1428   "Kill the current buffer."
1429   (interactive)
1430   (kill-buffer (current-buffer)))
1431
1432 (defun kill-this-buffer-enabled-p ()
1433   (let ((count 0)
1434         (buffers (buffer-list)))
1435     (while buffers
1436       (or (string-match "^ " (buffer-name (car buffers)))
1437           (setq count (1+ count)))
1438       (setq buffers (cdr buffers)))
1439     (and (menu-bar-non-minibuffer-window-p)
1440          (> count 1))))
1441
1442 (put 'dired 'menu-enable '(menu-bar-non-minibuffer-window-p))
1443
1444 ;; Permit deleting frame if it would leave a visible or iconified frame.
1445 (defun delete-frame-enabled-p ()
1446   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1447   (let ((frames (frame-list))
1448         (count 0))
1449     (while frames
1450       (if (frame-visible-p (car frames))
1451           (setq count (1+ count)))
1452       (setq frames (cdr frames)))
1453     (> count 1)))
1454
1455 (defcustom yank-menu-length 20
1456   "*Maximum length to display in the yank-menu."
1457   :type 'integer
1458   :group 'mouse)
1459
1460 (defun menu-bar-update-yank-menu (string old)
1461   (let ((front (car (cdr yank-menu)))
1462         (menu-string (if (<= (length string) yank-menu-length)
1463                          string
1464                        (concat
1465                         (substring string 0 (/ yank-menu-length 2))
1466                         "..."
1467                         (substring string (- (/ yank-menu-length 2)))))))
1468     ;; Don't let the menu string be all dashes
1469     ;; because that has a special meaning in a menu.
1470     (if (string-match "\\`-+\\'" menu-string)
1471         (setq menu-string (concat menu-string " ")))
1472     ;; If we're supposed to be extending an existing string, and that
1473     ;; string really is at the front of the menu, then update it in place.
1474     (if (and old (or (eq old (car front))
1475                      (string= old (car front))))
1476         (progn
1477           (setcar front string)
1478           (setcar (cdr front) menu-string))
1479       (setcdr yank-menu
1480               (cons
1481                (cons string (cons menu-string 'menu-bar-select-yank))
1482                (cdr yank-menu)))))
1483   (if (> (length (cdr yank-menu)) kill-ring-max)
1484       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1485
1486 (put 'menu-bar-select-yank 'apropos-inhibit t)
1487 (defun menu-bar-select-yank ()
1488   "Insert the stretch of previously-killed text selected from menu.
1489 The menu shows all the killed text sequences stored in `kill-ring'."
1490   (interactive "*")
1491   (push-mark (point))
1492   (insert last-command-event))
1493
1494 \f
1495 (defcustom buffers-menu-show-directories 'unless-uniquify
1496   "If non-nil, show directories in the Buffers menu for buffers that have them.
1497 The special value `unless-uniquify' means that directories will be shown
1498 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1499 names should include enough of a buffer's directory to distinguish it
1500 from other buffers).
1501
1502 Setting this variable directly does not take effect until next time the
1503 Buffers menu is regenerated."
1504   :set (lambda (symbol value)
1505          (set symbol value)
1506          (menu-bar-update-buffers t))
1507   :initialize 'custom-initialize-default
1508   :type '(choice (const :tag "Never" nil)
1509                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1510                  (const :tag "Always" t))
1511   :group 'menu)
1512
1513 (defcustom buffers-menu-show-status t
1514   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1515 Setting this variable directly does not take effect until next time the
1516 Buffers menu is regenerated."
1517   :set (lambda (symbol value)
1518          (set symbol value)
1519          (menu-bar-update-buffers t))
1520   :initialize 'custom-initialize-default
1521   :type 'boolean
1522   :group 'menu)
1523
1524 (defvar list-buffers-directory nil)
1525
1526 (defvar menu-bar-update-buffers-maxbuf)
1527
1528 (defun menu-bar-select-buffer ()
1529   (interactive)
1530   (switch-to-buffer last-command-event))
1531
1532 (defun menu-bar-select-frame ()
1533   (interactive)
1534   (let (frame)
1535     (dolist (f (frame-list))
1536       (when (equal last-command-event (frame-parameter f 'name))
1537         (setq frame f)))
1538     ;; FRAME can be nil when user specifies the selected frame.
1539     (setq frame (or frame (selected-frame)))
1540     (make-frame-visible frame)
1541     (raise-frame frame)
1542     (select-frame frame)))
1543
1544 (defun menu-bar-update-buffers-1 (elt)
1545   (let* ((buf (car elt))
1546          (file
1547           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1548                    (or (not (boundp 'uniquify-buffer-name-style))
1549                        (null uniquify-buffer-name-style))
1550                  buffers-menu-show-directories)
1551                (or (buffer-file-name buf)
1552                    (buffer-local-value 'list-buffers-directory buf)))))
1553     (when file
1554       (setq file (file-name-directory file)))
1555     (when (and file (> (length file) 20))
1556       (setq file (concat "..." (substring file -17))))
1557     (cons (if buffers-menu-show-status
1558               (let ((mod (if (buffer-modified-p buf) "*" ""))
1559                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1560                 (if file
1561                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1562                   (format "%s  %s%s" (cdr elt) mod ro)))
1563             (if file
1564                 (format "%s  --  %s"  (cdr elt) file)
1565               (cdr elt)))
1566           buf)))
1567
1568 ;; Used to cache the menu entries for commands in the Buffers menu
1569 (defvar menu-bar-buffers-menu-command-entries nil)
1570
1571 (defun menu-bar-update-buffers (&optional force)
1572   ;; If user discards the Buffers item, play along.
1573   (and (lookup-key (current-global-map) [menu-bar buffer])
1574        (or force (frame-or-buffer-changed-p))
1575        (let ((buffers (buffer-list))
1576              (frames (frame-list))
1577              buffers-menu frames-menu)
1578          ;; If requested, list only the N most recently selected buffers.
1579          (if (and (integerp buffers-menu-max-size)
1580                   (> buffers-menu-max-size 1))
1581              (if (> (length buffers) buffers-menu-max-size)
1582                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1583
1584          ;; Make the menu of buffers proper.
1585          (setq buffers-menu
1586                (let* ((buffer-list
1587                        (mapcar 'list buffers))
1588                       (menu-bar-update-buffers-maxbuf 0)
1589                       alist)
1590                  ;; Put into each element of buffer-list
1591                  ;; the name for actual display,
1592                  ;; perhaps truncated in the middle.
1593                  (dolist (buf buffer-list)
1594                    (let ((name (buffer-name (car buf))))
1595                      (setcdr buf
1596                              (if (> (length name) 27)
1597                                  (concat (substring name 0 12)
1598                                          "..."
1599                                          (substring name -12))
1600                                name))))
1601                  ;; Compute the maximum length of any name.
1602                  (dolist (buf buffer-list)
1603                    (unless (eq ?\s (aref (cdr buf) 0))
1604                      (setq menu-bar-update-buffers-maxbuf
1605                            (max menu-bar-update-buffers-maxbuf
1606                                 (length (cdr buf))))))
1607                  ;; Set ALIST to an alist of the form
1608                  ;; ITEM-STRING . BUFFER
1609                  (dolist (buf buffer-list)
1610                    (unless (eq ?\s (aref (cdr buf) 0))
1611                      (push (menu-bar-update-buffers-1 buf) alist)))
1612                  ;; Now make the actual list of items, and add
1613                  ;; some miscellaneous buffer commands to the end.
1614                  (mapcar (lambda (pair)
1615                            ;; This is somewhat risque, to use
1616                            ;; the buffer name itself as the event
1617                            ;; type to define, but it works.
1618                            ;; It would not work to use the buffer
1619                            ;; since a buffer as an event has its
1620                            ;; own meaning.
1621                            (nconc (list (buffer-name (cdr pair))
1622                                         (car pair)
1623                                         (cons nil nil))
1624                                   'menu-bar-select-buffer))
1625                          (nreverse alist))))
1626
1627          ;; Make a Frames menu if we have more than one frame.
1628          (when (cdr frames)
1629            (let ((frames-menu
1630                   (cons 'keymap
1631                         (cons "Select Frame"
1632                               (mapcar
1633                                (lambda (frame)
1634                                  (nconc
1635                                   (list (frame-parameter frame 'name)
1636                                         (frame-parameter frame 'name)
1637                                         (cons nil nil))
1638                                   'menu-bar-select-frame))
1639                                frames)))))
1640              ;; Put it after the normal buffers
1641              (setq buffers-menu
1642                    (nconc buffers-menu
1643                           `((frames-separator "--")
1644                             (frames menu-item "Frames" ,frames-menu))))))
1645
1646          ;; Add in some normal commands at the end of the menu.  We use
1647          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1648          ;; if it's been set already.  Note that we can't use constant
1649          ;; lists for the menu-entries, because the low-level menu-code
1650          ;; modifies them.
1651          (unless menu-bar-buffers-menu-command-entries
1652            (setq menu-bar-buffers-menu-command-entries
1653                  (list '(command-separator "--")
1654                        (list 'next-buffer
1655                              'menu-item
1656                              "Next Buffer"
1657                              'next-buffer
1658                              :help "Switch to the \"next\" buffer in a cyclic order")
1659                        (list 'previous-buffer
1660                              'menu-item
1661                              "Previous Buffer"
1662                              'previous-buffer
1663                              :help "Switch to the \"previous\" buffer in a cyclic order")
1664                        (list 'select-named-buffer
1665                              'menu-item
1666                              "Select Named Buffer..."
1667                              'switch-to-buffer
1668                              :help "Prompt for a buffer name, and select that buffer in the current window")
1669                        (list 'list-all-buffers
1670                              'menu-item
1671                              "List All Buffers"
1672                              'list-buffers
1673                              :help "Pop up a window listing all Emacs buffers"
1674                              ))))
1675          (setq buffers-menu
1676                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1677
1678          (setq buffers-menu (cons 'keymap (cons "Select Buffer" buffers-menu)))
1679          (define-key (current-global-map) [menu-bar buffer]
1680            ;; Call copy-sequence so the string is not pure.
1681            (cons (copy-sequence "Buffers") buffers-menu)))))
1682
1683 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1684
1685 (menu-bar-update-buffers)
1686
1687 ;; this version is too slow
1688 ;;(defun format-buffers-menu-line (buffer)
1689 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1690 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1691 ;;  (if (string-match "\\` " (buffer-name buffer))
1692 ;;      nil
1693 ;;    (save-excursion
1694 ;;     (set-buffer buffer)
1695 ;;     (let ((size (buffer-size)))
1696 ;;       (format "%s%s %-19s %6s %-15s %s"
1697 ;;             (if (buffer-modified-p) "*" " ")
1698 ;;             (if buffer-read-only "%" " ")
1699 ;;             (buffer-name)
1700 ;;             size
1701 ;;             mode-name
1702 ;;             (or (buffer-file-name) ""))))))
1703 \f
1704 ;;; Set up a menu bar menu for the minibuffer.
1705
1706 (dolist (map (list minibuffer-local-map
1707                    ;; This shouldn't be necessary, but there's a funny
1708                    ;; bug in keymap.c that I don't understand yet.  -stef
1709                    minibuffer-local-completion-map))
1710   (define-key map [menu-bar minibuf]
1711     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1712
1713 (let ((map minibuffer-local-completion-map))
1714   (define-key map [menu-bar minibuf ?\?]
1715     (list 'menu-item "List Completions" 'minibuffer-completion-help
1716           :help "Display all possible completions"))
1717   (define-key map [menu-bar minibuf space]
1718     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1719           :help "Complete at most one word"))
1720   (define-key map [menu-bar minibuf tab]
1721     (list 'menu-item "Complete" 'minibuffer-complete
1722           :help "Complete as far as possible")))
1723
1724 (let ((map minibuffer-local-map))
1725   (define-key map [menu-bar minibuf quit]
1726     (list 'menu-item "Quit" 'keyboard-escape-quit
1727           :help "Abort input and exit minibuffer"))
1728   (define-key map [menu-bar minibuf return]
1729     (list 'menu-item "Enter" 'exit-minibuffer
1730           :help "Terminate input and exit minibuffer")))
1731 \f
1732 ;;;###autoload
1733 ;; This comment is taken from tool-bar.el near
1734 ;; (put 'tool-bar-mode ...)
1735 ;; We want to pretend the menu bar by standard is on, as this will make
1736 ;; customize consider disabling the menu bar a customization, and save
1737 ;; that.  We could do this for real by setting :init-value below, but
1738 ;; that would overwrite disabling the tool bar from X resources.
1739 (put 'menu-bar-mode 'standard-value '(t))
1740
1741 ;;;###autoload
1742 (define-minor-mode menu-bar-mode
1743   "Toggle display of a menu bar on each frame.
1744 This command applies to all frames that exist and frames to be
1745 created in the future.
1746 With a numeric argument, if the argument is positive,
1747 turn on menu bars; otherwise, turn off menu bars."
1748   :init-value nil
1749   :global t
1750   :group 'frames
1751   ;; Make menu-bar-mode and default-frame-alist consistent.
1752   (let ((lines (if menu-bar-mode 1 0)))
1753     ;; Alter existing frames...
1754     (mapc (lambda (frame)
1755             (modify-frame-parameters frame
1756                                      (list (cons 'menu-bar-lines lines))))
1757           (frame-list))
1758     ;; ...and future ones.
1759     (let ((elt (assq 'menu-bar-lines default-frame-alist)))
1760       (if elt
1761           (setcdr elt lines)
1762         (add-to-list 'default-frame-alist (cons 'menu-bar-lines lines)))))
1763
1764   ;; Make the message appear when Emacs is idle.  We can not call message
1765   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1766   ;; after this function returns, overwriting any message we do here.
1767   (when (and (interactive-p) (not menu-bar-mode))
1768     (run-with-idle-timer 0 nil 'message
1769                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1770   menu-bar-mode)
1771
1772 (provide 'menu-bar)
1773
1774 ;;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1775 ;;; menu-bar.el ends here