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, 2007, 2008 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 3, 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 modified in place when menu-bar-update-buffers is called.
  60 (defvar global-buffers-menu-map (make-sparse-keymap "Buffers"))
  61 (define-key global-map [menu-bar buffer]
  62   (cons "Buffers" global-buffers-menu-map))
  63 (defvar menu-bar-options-menu (make-sparse-keymap "Options"))
  64 (define-key global-map [menu-bar options]
  65   (cons "Options" menu-bar-options-menu))
  66 (defvar menu-bar-edit-menu (make-sparse-keymap "Edit"))
  67 (define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu))
  68 (defvar menu-bar-file-menu (make-sparse-keymap "File"))
  69 (define-key global-map [menu-bar file] (cons "File" menu-bar-file-menu))
  70
  71 ;; This alias is for compatibility with 19.28 and before.
  72 (defvar menu-bar-files-menu menu-bar-file-menu)
  73
  74 ;; This is referenced by some code below; it is defined in uniquify.el
  75 (defvar uniquify-buffer-name-style)
  76
  77 \f
  78 ;; The "File" menu items
  79 (define-key menu-bar-file-menu [exit-emacs]
  80   '(menu-item "Exit Emacs" save-buffers-kill-emacs
  81               :help "Save unsaved buffers, then exit"))
  82
  83 (define-key menu-bar-file-menu [separator-exit]
  84   '("--"))
  85
  86 ;; Don't use delete-frame as event name because that is a special
  87 ;; event.
  88 (define-key menu-bar-file-menu [delete-this-frame]
  89   '(menu-item "Delete Frame" delete-frame
  90               :visible (fboundp 'delete-frame)
  91               :enable (delete-frame-enabled-p)
  92               :help "Delete currently selected frame"))
  93 (define-key menu-bar-file-menu [make-frame-on-display]
  94   '(menu-item "New Frame on Display..." make-frame-on-display
  95               :visible (fboundp 'make-frame-on-display)
  96               :help "Open a new frame on another display"))
  97 (define-key menu-bar-file-menu [make-frame]
  98   '(menu-item "New Frame" make-frame-command
  99               :visible (fboundp 'make-frame-command)
 100               :help "Open a new frame"))
 101
 102 (define-key menu-bar-file-menu [one-window]
 103   '(menu-item "Remove Splits" delete-other-windows
 104               :enable (not (one-window-p t nil))
 105               :help "Selected window grows to fill the whole frame"))
 106
 107 (define-key menu-bar-file-menu [split-window]
 108   '(menu-item "Split Window" split-window-vertically
 109               :enable (and (menu-bar-menu-frame-live-and-visible-p)
 110                            (menu-bar-non-minibuffer-window-p))
 111               :help "Split selected window in two windows"))
 112
 113 (define-key menu-bar-file-menu [separator-window]
 114   '(menu-item "--"))
 115
 116 (define-key menu-bar-file-menu [ps-print-region]
 117   '(menu-item "Postscript Print Region (B+W)" ps-print-region
 118               :enable mark-active
 119               :help "Pretty-print marked region in black and white to PostScript printer"))
 120 (define-key menu-bar-file-menu [ps-print-buffer]
 121   '(menu-item "Postscript Print Buffer (B+W)" ps-print-buffer
 122               :enable (menu-bar-menu-frame-live-and-visible-p)
 123               :help "Pretty-print current buffer in black and white to PostScript printer"))
 124 (define-key menu-bar-file-menu [ps-print-region-faces]
 125   '(menu-item "Postscript Print Region" ps-print-region-with-faces
 126               :enable mark-active
 127               :help "Pretty-print marked region to PostScript printer"))
 128 (define-key menu-bar-file-menu [ps-print-buffer-faces]
 129   '(menu-item "Postscript Print Buffer" ps-print-buffer-with-faces
 130               :enable (menu-bar-menu-frame-live-and-visible-p)
 131               :help "Pretty-print current buffer to PostScript printer"))
 132 (define-key menu-bar-file-menu [print-region]
 133   '(menu-item "Print Region" print-region
 134               :enable mark-active
 135               :help "Print region between mark and current position"))
 136 (define-key menu-bar-file-menu [print-buffer]
 137   '(menu-item "Print Buffer" print-buffer
 138               :enable (menu-bar-menu-frame-live-and-visible-p)
 139               :help "Print current buffer with page headings"))
 140
 141 (define-key menu-bar-file-menu [separator-print]
 142   '(menu-item "--"))
 143
 144 (define-key menu-bar-file-menu [recover-session]
 145   '(menu-item "Recover Crashed Session" recover-session
 146               :enable (and auto-save-list-file-prefix
 147                            (file-directory-p
 148                             (file-name-directory auto-save-list-file-prefix))
 149                            (directory-files
 150                             (file-name-directory auto-save-list-file-prefix)
 151                             nil
 152                             (concat "\\`"
 153                                     (regexp-quote
 154                                      (file-name-nondirectory
 155                                       auto-save-list-file-prefix)))
 156                             t))
 157               :help "Recover edits from a crashed session"))
 158 (define-key menu-bar-file-menu [revert-buffer]
 159   '(menu-item "Revert Buffer" revert-buffer
 160               :enable (or revert-buffer-function
 161                           revert-buffer-insert-file-contents-function
 162                           (and buffer-file-number
 163                                (or (buffer-modified-p)
 164                                    (not (verify-visited-file-modtime
 165                                          (current-buffer))))))
 166               :help "Re-read current buffer from its file"))
 167 (define-key menu-bar-file-menu [write-file]
 168   '(menu-item "Save As..." write-file
 169               :enable (and (menu-bar-menu-frame-live-and-visible-p)
 170                            (menu-bar-non-minibuffer-window-p))
 171               :help "Write current buffer to another file"))
 172 (define-key menu-bar-file-menu [save-buffer]
 173   '(menu-item "Save" save-buffer
 174               :enable (and (buffer-modified-p)
 175                            (buffer-file-name)
 176                            (menu-bar-non-minibuffer-window-p))
 177               :help "Save current buffer to its file"))
 178
 179 (define-key menu-bar-file-menu [separator-save]
 180   '(menu-item "--"))
 181
 182 (defun menu-find-file-existing ()
 183   "Edit the existing file FILENAME."
 184   (interactive)
 185   (let* ((mustmatch (not (and (fboundp 'x-uses-old-gtk-dialog)
 186                               (x-uses-old-gtk-dialog))))
 187          (filename (car (find-file-read-args "Find file: " mustmatch))))
 188     (if mustmatch
 189         (find-file-existing filename)
 190       (find-file filename))))
 191
 192
 193 (define-key menu-bar-file-menu [kill-buffer]
 194   '(menu-item "Close" kill-this-buffer
 195               :enable (kill-this-buffer-enabled-p)
 196               :help "Discard (kill) current buffer"))
 197 (define-key menu-bar-file-menu [insert-file]
 198   '(menu-item "Insert File..." insert-file
 199               :enable (menu-bar-non-minibuffer-window-p)
 200               :help "Insert another file into current buffer"))
 201 (define-key menu-bar-file-menu [dired]
 202   '(menu-item "Open Directory..." dired
 203               :enable (menu-bar-non-minibuffer-window-p)
 204               :help "Read a directory, to operate on its files"))
 205 (define-key menu-bar-file-menu [open-file]
 206   '(menu-item "Open File..." menu-find-file-existing
 207               :enable (menu-bar-non-minibuffer-window-p)
 208               :help "Read an existing file into an Emacs buffer"))
 209 (define-key menu-bar-file-menu [new-file]
 210   '(menu-item "Visit New File..." find-file
 211               :enable (menu-bar-non-minibuffer-window-p)
 212               :help "Specify a new file's name, to edit the file"))
 213
 214 \f
 215 ;; The "Edit" menu items
 216
 217 ;; The "Edit->Search" submenu
 218 (defvar menu-bar-last-search-type nil
 219   "Type of last non-incremental search command called from the menu.")
 220
 221 (defun nonincremental-repeat-search-forward ()
 222   "Search forward for the previous search string or regexp."
 223   (interactive)
 224   (cond
 225    ((and (eq menu-bar-last-search-type 'string)
 226          search-ring)
 227     (search-forward (car search-ring)))
 228    ((and (eq menu-bar-last-search-type 'regexp)
 229          regexp-search-ring)
 230     (re-search-forward (car regexp-search-ring)))
 231    (t
 232     (error "No previous search"))))
 233
 234 (defun nonincremental-repeat-search-backward ()
 235   "Search backward for the previous search string or regexp."
 236   (interactive)
 237   (cond
 238    ((and (eq menu-bar-last-search-type 'string)
 239          search-ring)
 240     (search-backward (car search-ring)))
 241    ((and (eq menu-bar-last-search-type 'regexp)
 242          regexp-search-ring)
 243     (re-search-backward (car regexp-search-ring)))
 244    (t
 245     (error "No previous search"))))
 246
 247 (defun nonincremental-search-forward (string)
 248   "Read a string and search for it nonincrementally."
 249   (interactive "sSearch for string: ")
 250   (setq menu-bar-last-search-type 'string)
 251   (if (equal string "")
 252       (search-forward (car search-ring))
 253     (isearch-update-ring string nil)
 254     (search-forward string)))
 255
 256 (defun nonincremental-search-backward (string)
 257   "Read a string and search backward for it nonincrementally."
 258   (interactive "sSearch for string: ")
 259   (setq menu-bar-last-search-type 'string)
 260   (if (equal string "")
 261       (search-backward (car search-ring))
 262     (isearch-update-ring string nil)
 263     (search-backward string)))
 264
 265 (defun nonincremental-re-search-forward (string)
 266   "Read a regular expression and search for it nonincrementally."
 267   (interactive "sSearch for regexp: ")
 268   (setq menu-bar-last-search-type 'regexp)
 269   (if (equal string "")
 270       (re-search-forward (car regexp-search-ring))
 271     (isearch-update-ring string t)
 272     (re-search-forward string)))
 273
 274 (defun nonincremental-re-search-backward (string)
 275   "Read a regular expression and search backward for it nonincrementally."
 276   (interactive "sSearch for regexp: ")
 277   (setq menu-bar-last-search-type 'regexp)
 278   (if (equal string "")
 279       (re-search-backward (car regexp-search-ring))
 280     (isearch-update-ring string t)
 281     (re-search-backward string)))
 282
 283 (defvar menu-bar-search-menu (make-sparse-keymap "Search"))
 284
 285 ;; The Edit->Search->Incremental Search menu
 286 (defvar menu-bar-i-search-menu
 287   (make-sparse-keymap "Incremental Search"))
 288
 289 (define-key menu-bar-i-search-menu [isearch-backward-regexp]
 290   '(menu-item "Backward Regexp..." isearch-backward-regexp
 291               :help "Search backwards for a regular expression as you type it"))
 292 (define-key menu-bar-i-search-menu [isearch-forward-regexp]
 293   '(menu-item "Forward Regexp..." isearch-forward-regexp
 294               :help "Search forward for a regular expression as you type it"))
 295 (define-key menu-bar-i-search-menu [isearch-backward]
 296   '(menu-item "Backward String..." isearch-backward
 297               :help "Search backwards for a string as you type it"))
 298 (define-key menu-bar-i-search-menu [isearch-forward]
 299   '(menu-item "Forward String..." isearch-forward
 300               :help "Search forward for a string as you type it"))
 301
 302
 303 (define-key menu-bar-search-menu [i-search]
 304   (list 'menu-item "Incremental Search" menu-bar-i-search-menu))
 305 (define-key menu-bar-search-menu [separator-tag-isearch]
 306   '(menu-item "--"))
 307
 308 (define-key menu-bar-search-menu [tags-continue]
 309   '(menu-item "Continue Tags Search" tags-loop-continue
 310               :help "Continue last tags search operation"))
 311 (define-key menu-bar-search-menu [tags-srch]
 312   '(menu-item "Search tagged files..." tags-search
 313               :help "Search for a regexp in all tagged files"))
 314 (define-key menu-bar-search-menu [separator-tag-search]
 315   '(menu-item "--"))
 316
 317 (define-key menu-bar-search-menu [repeat-search-back]
 318   '(menu-item "Repeat Backwards" nonincremental-repeat-search-backward
 319               :enable (or (and (eq menu-bar-last-search-type 'string)
 320                                search-ring)
 321                           (and (eq menu-bar-last-search-type 'regexp)
 322                                regexp-search-ring))
 323               :help "Repeat last search backwards"))
 324 (define-key menu-bar-search-menu [repeat-search-fwd]
 325   '(menu-item "Repeat Forward" nonincremental-repeat-search-forward
 326               :enable (or (and (eq menu-bar-last-search-type 'string)
 327                                search-ring)
 328                           (and (eq menu-bar-last-search-type 'regexp)
 329                                regexp-search-ring))
 330               :help "Repeat last search forward"))
 331 (define-key menu-bar-search-menu [separator-repeat-search]
 332   '(menu-item "--"))
 333
 334 (define-key menu-bar-search-menu [re-search-backward]
 335   '(menu-item "Regexp Backwards..." nonincremental-re-search-backward
 336               :help "Search backwards for a regular expression"))
 337 (define-key menu-bar-search-menu [re-search-forward]
 338   '(menu-item "Regexp Forward..." nonincremental-re-search-forward
 339               :help "Search forward for a regular expression"))
 340
 341 (define-key menu-bar-search-menu [search-backward]
 342   '(menu-item "String Backwards..." nonincremental-search-backward
 343               :help "Search backwards for a string"))
 344 (define-key menu-bar-search-menu [search-forward]
 345   '(menu-item "String Forward..." nonincremental-search-forward
 346               :help "Search forward for a string"))
 347
 348 ;; The Edit->Replace submenu
 349
 350 (defvar menu-bar-replace-menu (make-sparse-keymap "Replace"))
 351
 352 (define-key menu-bar-replace-menu [tags-repl-continue]
 353   '(menu-item "Continue Replace" tags-loop-continue
 354               :help "Continue last tags replace operation"))
 355 (define-key menu-bar-replace-menu [tags-repl]
 356   '(menu-item "Replace in tagged files..." tags-query-replace
 357               :help "Interactively replace a regexp in all tagged files"))
 358 (define-key menu-bar-replace-menu [separator-replace-tags]
 359   '(menu-item "--"))
 360
 361 (define-key menu-bar-replace-menu [query-replace-regexp]
 362   '(menu-item "Replace Regexp..." query-replace-regexp
 363               :enable (not buffer-read-only)
 364               :help "Replace regular expression interactively, ask about each occurrence"))
 365 (define-key menu-bar-replace-menu [query-replace]
 366   '(menu-item "Replace String..." query-replace
 367               :enable (not buffer-read-only)
 368               :help "Replace string interactively, ask about each occurrence"))
 369
 370 ;;; Assemble the top-level Edit menu items.
 371 (define-key menu-bar-edit-menu [props]
 372   '(menu-item "Text Properties" facemenu-menu))
 373
 374 (define-key menu-bar-edit-menu [fill]
 375   '(menu-item "Fill" fill-region
 376               :enable (and mark-active (not buffer-read-only))
 377               :help
 378               "Fill text in region to fit between left and right margin"))
 379
 380 (define-key menu-bar-edit-menu [separator-bookmark]
 381   '(menu-item "--"))
 382
 383 (define-key menu-bar-edit-menu [bookmark]
 384   '(menu-item "Bookmarks" menu-bar-bookmark-map))
 385
 386 (defvar menu-bar-goto-menu (make-sparse-keymap "Go To"))
 387
 388 (define-key menu-bar-goto-menu [set-tags-name]
 389   '(menu-item "Set Tags File Name..." visit-tags-table
 390               :help "Tell Tags commands which tag table file to use"))
 391
 392 (define-key menu-bar-goto-menu [separator-tag-file]
 393   '(menu-item "--"))
 394
 395 (define-key menu-bar-goto-menu [apropos-tags]
 396   '(menu-item "Tags Apropos..." tags-apropos
 397               :help "Find function/variables whose names match regexp"))
 398 (define-key menu-bar-goto-menu [next-tag-otherw]
 399   '(menu-item "Next Tag in Other Window"
 400               menu-bar-next-tag-other-window
 401               :enable (and (boundp 'tags-location-ring)
 402                            (not (ring-empty-p tags-location-ring)))
 403               :help "Find next function/variable matching last tag name in another window"))
 404
 405 (defun menu-bar-next-tag-other-window ()
 406   "Find the next definition of the tag already specified."
 407   (interactive)
 408   (find-tag-other-window nil t))
 409
 410 (defun menu-bar-next-tag ()
 411   "Find the next definition of the tag already specified."
 412   (interactive)
 413   (find-tag nil t))
 414
 415 (define-key menu-bar-goto-menu [next-tag]
 416   '(menu-item "Find Next Tag"
 417               menu-bar-next-tag
 418               :enable (and (boundp 'tags-location-ring)
 419                            (not (ring-empty-p tags-location-ring)))
 420               :help "Find next function/variable matching last tag name"))
 421 (define-key menu-bar-goto-menu [find-tag-otherw]
 422   '(menu-item "Find Tag in Other Window..." find-tag-other-window
 423               :help "Find function/variable definition in another window"))
 424 (define-key menu-bar-goto-menu [find-tag]
 425   '(menu-item "Find Tag..." find-tag
 426               :help "Find definition of function or variable"))
 427
 428 (define-key menu-bar-goto-menu [separator-tags]
 429   '(menu-item "--"))
 430
 431 (define-key menu-bar-goto-menu [end-of-buf]
 432   '(menu-item "Goto End of Buffer" end-of-buffer))
 433 (define-key menu-bar-goto-menu [beg-of-buf]
 434   '(menu-item "Goto Beginning of Buffer" beginning-of-buffer))
 435 (define-key menu-bar-goto-menu [go-to-pos]
 436   '(menu-item "Goto Buffer Position..." goto-char
 437               :help "Read a number N and go to buffer position N"))
 438 (define-key menu-bar-goto-menu [go-to-line]
 439   '(menu-item "Goto Line..." goto-line
 440               :help "Read a line number and go to that line"))
 441
 442 (define-key menu-bar-edit-menu [goto]
 443   (list 'menu-item "Go To" menu-bar-goto-menu))
 444
 445 (define-key menu-bar-edit-menu [replace]
 446   (list 'menu-item "Replace" menu-bar-replace-menu))
 447
 448 (define-key menu-bar-edit-menu [search]
 449   (list 'menu-item "Search" menu-bar-search-menu))
 450
 451 (define-key menu-bar-edit-menu [separator-search]
 452   '(menu-item "--"))
 453
 454 (define-key menu-bar-edit-menu [mark-whole-buffer]
 455   '(menu-item "Select All" mark-whole-buffer
 456               :help "Mark the whole buffer for a subsequent cut/copy."))
 457 (define-key menu-bar-edit-menu [clear]
 458   '(menu-item "Clear" delete-region
 459               :enable (and mark-active
 460                            (not buffer-read-only)
 461                            (not (mouse-region-match)))
 462               :help
 463               "Delete the text in region between mark and current position"))
 464 (defvar yank-menu (cons "Select Yank" nil))
 465 (fset 'yank-menu (cons 'keymap yank-menu))
 466 (define-key menu-bar-edit-menu [paste-from-menu]
 467   '(menu-item "Paste from kill menu" yank-menu
 468               :enable (and (cdr yank-menu) (not buffer-read-only))
 469               :help "Choose a string from the kill ring and paste it"))
 470 (define-key menu-bar-edit-menu [paste]
 471   '(menu-item "Paste" yank
 472               :enable (and
 473                        ;; Emacs compiled --without-x doesn't have
 474                        ;; x-selection-exists-p.
 475                        (fboundp 'x-selection-exists-p)
 476                        (x-selection-exists-p) (not buffer-read-only))
 477               :help "Paste (yank) text most recently cut/copied"))
 478 (define-key menu-bar-edit-menu [copy]
 479   '(menu-item "Copy" menu-bar-kill-ring-save
 480               :enable mark-active
 481               :help "Copy text in region between mark and current position"
 482               :keys "\\[kill-ring-save]"))
 483 (define-key menu-bar-edit-menu [cut]
 484   '(menu-item "Cut" kill-region
 485               :enable (and mark-active (not buffer-read-only))
 486               :help
 487               "Cut (kill) text in region between mark and current position"))
 488 (define-key menu-bar-edit-menu [undo]
 489   '(menu-item "Undo" undo
 490               :enable (and (not buffer-read-only)
 491                            (not (eq t buffer-undo-list))
 492                            (if (eq last-command 'undo)
 493                                (listp pending-undo-list)
 494                              (consp buffer-undo-list)))
 495               :help "Undo last operation"))
 496
 497
 498 (defun menu-bar-kill-ring-save (beg end)
 499   (interactive "r")
 500   (if (mouse-region-match)
 501       (message "Selecting a region with the mouse does `copy' automatically")
 502     (kill-ring-save beg end)))
 503
 504 ;; These are alternative definitions for the cut, paste and copy
 505 ;; menu items.  Use them if your system expects these to use the clipboard.
 506
 507 (put 'clipboard-kill-region 'menu-enable
 508      '(and mark-active (not buffer-read-only)))
 509 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 510 (put 'clipboard-yank 'menu-enable
 511      '(and (or (and (fboundp 'x-selection-exists-p)
 512                     (x-selection-exists-p))
 513                (x-selection-exists-p 'CLIPBOARD))
 514            (not buffer-read-only)))
 515
 516 (defun clipboard-yank ()
 517   "Insert the clipboard contents, or the last stretch of killed text."
 518   (interactive "*")
 519   (let ((x-select-enable-clipboard t))
 520     (yank)))
 521
 522 (defun clipboard-kill-ring-save (beg end)
 523   "Copy region to kill ring, and save in the X clipboard."
 524   (interactive "r")
 525   (let ((x-select-enable-clipboard t))
 526     (kill-ring-save beg end)))
 527
 528 (defun clipboard-kill-region (beg end)
 529   "Kill the region, and save it in the X clipboard."
 530   (interactive "r")
 531   (let ((x-select-enable-clipboard t))
 532     (kill-region beg end)))
 533
 534 (defun menu-bar-enable-clipboard ()
 535   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 536 Do the same for the keys of the same name."
 537   (interactive)
 538   ;; We can't use constant list structure here because it becomes pure,
 539   ;; and because it gets modified with cache data.
 540   (define-key menu-bar-edit-menu [paste]
 541     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 542   (define-key menu-bar-edit-menu [copy]
 543     (cons "Copy" (cons "Copy text in region to the clipboard"
 544                        'clipboard-kill-ring-save)))
 545   (define-key menu-bar-edit-menu [cut]
 546     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 547                       'clipboard-kill-region)))
 548
 549   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 550   ;; (also for XFree86 on Sun keyboard):
 551   (define-key global-map [f20] 'clipboard-kill-region)
 552   (define-key global-map [f16] 'clipboard-kill-ring-save)
 553   (define-key global-map [f18] 'clipboard-yank)
 554   ;; X11R6 versions:
 555   (define-key global-map [cut] 'clipboard-kill-region)
 556   (define-key global-map [copy] 'clipboard-kill-ring-save)
 557   (define-key global-map [paste] 'clipboard-yank))
 558 \f
 559 ;; The "Options" menu items
 560
 561 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 562
 563 (define-key menu-bar-custom-menu [customize-apropos-groups]
 564   '(menu-item "Groups Matching Regexp..." customize-apropos-groups
 565               :help "Browse groups whose names match regexp"))
 566 (define-key menu-bar-custom-menu [customize-apropos-faces]
 567   '(menu-item "Faces Matching Regexp..." customize-apropos-faces
 568               :help "Browse faces whose names match regexp"))
 569 (define-key menu-bar-custom-menu [customize-apropos-options]
 570   '(menu-item "Options Matching Regexp..." customize-apropos-options
 571               :help "Browse options whose names match regexp"))
 572 (define-key menu-bar-custom-menu [customize-apropos]
 573   '(menu-item "Settings Matching Regexp..." customize-apropos
 574               :help "Browse customizable settings whose names match regexp"))
 575 (define-key menu-bar-custom-menu [separator-1]
 576   '("--"))
 577 (define-key menu-bar-custom-menu [customize-group]
 578   '(menu-item "Specific Group..." customize-group
 579               :help "Customize settings of specific group"))
 580 (define-key menu-bar-custom-menu [customize-face]
 581   '(menu-item "Specific Face..." customize-face
 582               :help "Customize attributes of specific face"))
 583 (define-key menu-bar-custom-menu [customize-option]
 584   '(menu-item "Specific Option..." customize-option
 585               :help "Customize value of specific option"))
 586 (define-key menu-bar-custom-menu [separator-2]
 587   '("--"))
 588 (define-key menu-bar-custom-menu [customize-changed-options]
 589   '(menu-item "New Options..." customize-changed-options
 590               :help "Options added or changed in recent Emacs versions"))
 591 (define-key menu-bar-custom-menu [customize-saved]
 592   '(menu-item "Saved Options" customize-saved
 593               :help "Customize previously saved options"))
 594 (define-key menu-bar-custom-menu [separator-3]
 595   '("--"))
 596 (define-key menu-bar-custom-menu [customize-browse]
 597   '(menu-item "Browse Customization Groups" customize-browse
 598               :help "Browse all customization groups"))
 599 (define-key menu-bar-custom-menu [customize]
 600   '(menu-item "Top-level Customization Group" customize
 601               :help "The master group called `Emacs'"))
 602
 603 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 604
 605 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 606   "Make a menu-item for a global minor mode toggle.
 607 FNAME is the minor mode's name (variable and function).
 608 DOC is the text to use for the menu entry.
 609 HELP is the text to use for the tooltip.
 610 PROPS are additional properties."
 611   `'(menu-item ,doc ,fname
 612      ,@props
 613      :help ,help
 614      :button (:toggle . (and (default-boundp ',fname)
 615                              (default-value ',fname)))))
 616
 617 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 618   `(progn
 619      (defun ,name (&optional interactively)
 620        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 621                 (substring help 1) ".
 622 In an interactive call, record this option as a candidate for saving
 623 by \"Save Options\" in Custom buffers.")
 624        (interactive "p")
 625        (if ,(if body `(progn . ,body)
 626               `(progn
 627                  (custom-load-symbol ',variable)
 628                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 629                        (get (or (get ',variable 'custom-get) 'default-value)))
 630                    (funcall set ',variable (not (funcall get ',variable))))))
 631            (message ,message "enabled globally")
 632          (message ,message "disabled globally"))
 633        ;; The function `customize-mark-as-set' must only be called when
 634        ;; a variable is set interactively, as the purpose is to mark it as
 635        ;; a candidate for "Save Options", and we do not want to save options
 636        ;; the user have already set explicitly in his init file.
 637        (if interactively (customize-mark-as-set ',variable)))
 638      '(menu-item ,doc ,name
 639                  :help ,help
 640                  :button (:toggle . (and (default-boundp ',variable)
 641                                          (default-value ',variable))))))
 642
 643 ;;; Assemble all the top-level items of the "Options" menu
 644 (define-key menu-bar-options-menu [customize]
 645   (list 'menu-item "Customize Emacs" menu-bar-custom-menu))
 646
 647 (defun menu-bar-options-save ()
 648   "Save current values of Options menu items using Custom."
 649   (interactive)
 650   (let ((need-save nil))
 651     ;; These are set with menu-bar-make-mm-toggle, which does not
 652     ;; put on a customized-value property.
 653     (dolist (elt '(line-number-mode column-number-mode size-indication-mode
 654                    cua-mode show-paren-mode transient-mark-mode
 655                    blink-cursor-mode display-time-mode display-battery-mode))
 656       (and (customize-mark-to-save elt)
 657            (setq need-save t)))
 658     ;; These are set with `customize-set-variable'.
 659     (dolist (elt '(scroll-bar-mode
 660                    debug-on-quit debug-on-error
 661                    tooltip-mode menu-bar-mode tool-bar-mode
 662                    save-place uniquify-buffer-name-style fringe-mode
 663                    indicate-empty-lines indicate-buffer-boundaries
 664                    case-fold-search
 665                    current-language-environment default-input-method
 666                    ;; Saving `text-mode-hook' is somewhat questionable,
 667                    ;; as we might get more than we bargain for, if
 668                    ;; other code may has added hooks as well.
 669                    ;; Nonetheless, not saving it would like be confuse
 670                    ;; more often.
 671                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 672                    text-mode-hook))
 673       (and (get elt 'customized-value)
 674            (customize-mark-to-save elt)
 675            (setq need-save t)))
 676     ;; Save if we changed anything.
 677     (when need-save
 678       (custom-save-all))))
 679
 680 (define-key menu-bar-options-menu [save]
 681   '(menu-item "Save Options" menu-bar-options-save
 682               :help "Save options set from the menu above"))
 683
 684 (define-key menu-bar-options-menu [custom-separator]
 685   '("--"))
 686
 687 (define-key menu-bar-options-menu [mouse-set-font]
 688   '(menu-item "Set Font/Fontset..." mouse-set-font
 689                :visible (display-multi-font-p)
 690                :help "Select a font from list of known fonts/fontsets"))
 691
 692 ;; The "Show/Hide" submenu of menu "Options"
 693
 694 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 695
 696 (define-key menu-bar-showhide-menu [column-number-mode]
 697   (menu-bar-make-mm-toggle column-number-mode
 698                            "Column Numbers"
 699                            "Show the current column number in the mode line"))
 700
 701 (define-key menu-bar-showhide-menu [line-number-mode]
 702   (menu-bar-make-mm-toggle line-number-mode
 703                            "Line Numbers"
 704                            "Show the current line number in the mode line"))
 705
 706 (define-key menu-bar-showhide-menu [size-indication-mode]
 707   (menu-bar-make-mm-toggle size-indication-mode
 708                            "Size Indication"
 709                            "Show the size of the buffer in the mode line"))
 710
 711 (define-key menu-bar-showhide-menu [linecolumn-separator]
 712   '("--"))
 713
 714 (define-key menu-bar-showhide-menu [showhide-battery]
 715   (menu-bar-make-mm-toggle display-battery-mode
 716                            "Battery Status"
 717                            "Display battery status information in mode line"))
 718
 719 (define-key menu-bar-showhide-menu [showhide-date-time]
 720   (menu-bar-make-mm-toggle display-time-mode
 721                            "Time, Load and Mail"
 722                            "Display time, system load averages and \
 723 mail status in mode line"))
 724
 725 (define-key menu-bar-showhide-menu [datetime-separator]
 726   '("--"))
 727
 728 (define-key menu-bar-showhide-menu [showhide-speedbar]
 729   '(menu-item "Speedbar" speedbar-frame-mode
 730               :help "Display a Speedbar quick-navigation frame"
 731               :button (:toggle
 732                        . (and (boundp 'speedbar-frame)
 733                               (frame-live-p (symbol-value 'speedbar-frame))
 734                               (frame-visible-p
 735                                (symbol-value 'speedbar-frame))))))
 736
 737 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 738
 739 (defvar menu-bar-showhide-fringe-ind-menu
 740   (make-sparse-keymap "Buffer boundaries"))
 741
 742 (defun menu-bar-showhide-fringe-ind-customize ()
 743   "Show customization buffer for `indicate-buffer-boundaries'."
 744   (interactive)
 745   (customize-variable 'indicate-buffer-boundaries))
 746
 747 (define-key menu-bar-showhide-fringe-ind-menu [customize]
 748   '(menu-item "Other (Customize)"
 749               menu-bar-showhide-fringe-ind-customize
 750               :help "Additional choices available through Custom buffer"
 751               :visible (display-graphic-p)))
 752
 753 (defun menu-bar-showhide-fringe-ind-mixed ()
 754   "Display top and bottom indicators in opposite fringes, arrows in right."
 755   (interactive)
 756   (customize-set-variable 'indicate-buffer-boundaries
 757                           '((t . right) (top . left))))
 758
 759 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 760   '(menu-item "Opposite, Arrows Right" menu-bar-showhide-fringe-ind-mixed
 761               :help
 762               "Show top/bottom indicators in opposite fringes, arrows in right"
 763               :visible (display-graphic-p)
 764               :button (:radio . (eq indicate-buffer-boundaries
 765                                     '((t . right) (top . left))))))
 766
 767 (defun menu-bar-showhide-fringe-ind-box ()
 768   "Display top and bottom indicators in opposite fringes."
 769   (interactive)
 770   (customize-set-variable 'indicate-buffer-boundaries
 771                           '((top . left) (bottom . right))))
 772
 773 (define-key menu-bar-showhide-fringe-ind-menu [box]
 774   '(menu-item "Opposite, No Arrows" menu-bar-showhide-fringe-ind-box
 775               :help "Show top/bottom indicators in opposite fringes, no arrows"
 776               :visible (display-graphic-p)
 777               :button (:radio . (eq indicate-buffer-boundaries
 778                                     '((top . left) (bottom . right))))))
 779
 780 (defun menu-bar-showhide-fringe-ind-right ()
 781   "Display buffer boundaries and arrows in the right fringe."
 782   (interactive)
 783   (customize-set-variable 'indicate-buffer-boundaries 'right))
 784
 785 (define-key menu-bar-showhide-fringe-ind-menu [right]
 786   '(menu-item "In Right Fringe" menu-bar-showhide-fringe-ind-right
 787               :help "Show buffer boundaries and arrows in right fringe"
 788               :visible (display-graphic-p)
 789               :button (:radio . (eq indicate-buffer-boundaries 'right))))
 790
 791 (defun menu-bar-showhide-fringe-ind-left ()
 792   "Display buffer boundaries and arrows in the left fringe."
 793   (interactive)
 794   (customize-set-variable 'indicate-buffer-boundaries 'left))
 795
 796 (define-key menu-bar-showhide-fringe-ind-menu [left]
 797   '(menu-item "In Left Fringe" menu-bar-showhide-fringe-ind-left
 798               :help "Show buffer boundaries and arrows in left fringe"
 799               :visible (display-graphic-p)
 800               :button (:radio . (eq indicate-buffer-boundaries 'left))))
 801
 802 (defun menu-bar-showhide-fringe-ind-none ()
 803   "Do not display any buffer boundary indicators."
 804   (interactive)
 805   (customize-set-variable 'indicate-buffer-boundaries nil))
 806
 807 (define-key menu-bar-showhide-fringe-ind-menu [none]
 808   '(menu-item "No Indicators" menu-bar-showhide-fringe-ind-none
 809               :help "Hide all buffer boundary indicators and arrows"
 810               :visible (display-graphic-p)
 811               :button (:radio . (eq indicate-buffer-boundaries nil))))
 812
 813 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 814   (list 'menu-item "Buffer Boundaries" menu-bar-showhide-fringe-ind-menu
 815         :visible `(display-graphic-p)
 816         :help "Indicate buffer boundaries in fringe"))
 817
 818 (define-key menu-bar-showhide-fringe-menu [indicate-empty-lines]
 819   (menu-bar-make-toggle toggle-indicate-empty-lines indicate-empty-lines
 820                         "Empty Line Indicators"
 821                         "Indicating of empty lines %s"
 822                         "Indicate trailing empty lines in fringe, globally"))
 823
 824 (defun menu-bar-showhide-fringe-menu-customize ()
 825   "Show customization buffer for `fringe-mode'."
 826   (interactive)
 827   (customize-variable 'fringe-mode))
 828
 829 (define-key menu-bar-showhide-fringe-menu [customize]
 830   '(menu-item "Customize Fringe" menu-bar-showhide-fringe-menu-customize
 831               :help "Detailed customization of fringe"
 832               :visible (display-graphic-p)))
 833
 834 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 835   "Reset the fringe mode: display fringes on both sides of a window."
 836   (interactive)
 837   (customize-set-variable 'fringe-mode nil))
 838
 839 (define-key menu-bar-showhide-fringe-menu [default]
 840   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 841               :help "Default width fringe on both left and right side"
 842               :visible (display-graphic-p)
 843               :button (:radio . (eq fringe-mode nil))))
 844
 845 (defun menu-bar-showhide-fringe-menu-customize-right ()
 846   "Display fringes only on the right of each window."
 847   (interactive)
 848   (require 'fringe)
 849   (customize-set-variable 'fringe-mode '(0 . nil)))
 850
 851 (define-key menu-bar-showhide-fringe-menu [right]
 852   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 853               :help "Fringe only on the right side"
 854               :visible (display-graphic-p)
 855               :button (:radio . (equal fringe-mode '(0 . nil)))))
 856
 857 (defun menu-bar-showhide-fringe-menu-customize-left ()
 858   "Display fringes only on the left of each window."
 859   (interactive)
 860   (require 'fringe)
 861   (customize-set-variable 'fringe-mode '(nil . 0)))
 862
 863 (define-key menu-bar-showhide-fringe-menu [left]
 864   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 865               :help "Fringe only on the left side"
 866               :visible (display-graphic-p)
 867               :button (:radio . (equal fringe-mode '(nil . 0)))))
 868
 869 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 870   "Do not display window fringes."
 871   (interactive)
 872   (require 'fringe)
 873   (customize-set-variable 'fringe-mode 0))
 874
 875 (define-key menu-bar-showhide-fringe-menu [none]
 876   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 877               :help "Turn off fringe"
 878               :visible (display-graphic-p)
 879               :button (:radio . (eq fringe-mode 0))))
 880
 881 (define-key menu-bar-showhide-menu [showhide-fringe]
 882   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 883         :visible `(display-graphic-p)))
 884
 885 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 886
 887 (define-key menu-bar-showhide-scroll-bar-menu [right]
 888   '(menu-item "On the Right"
 889               menu-bar-right-scroll-bar
 890               :help "Scroll-bar on the right side"
 891               :visible (display-graphic-p)
 892               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 893                                                (frame-parameters))) 'right))))
 894 (defun menu-bar-right-scroll-bar ()
 895   "Display scroll bars on the right of each window."
 896   (interactive)
 897   (customize-set-variable 'scroll-bar-mode 'right))
 898
 899 (define-key menu-bar-showhide-scroll-bar-menu [left]
 900   '(menu-item "On the Left"
 901               menu-bar-left-scroll-bar
 902               :help "Scroll-bar on the left side"
 903               :visible (display-graphic-p)
 904               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 905                                                (frame-parameters))) 'left))))
 906
 907 (defun menu-bar-left-scroll-bar ()
 908   "Display scroll bars on the left of each window."
 909   (interactive)
 910   (customize-set-variable 'scroll-bar-mode 'left))
 911
 912 (define-key menu-bar-showhide-scroll-bar-menu [none]
 913   '(menu-item "None"
 914               menu-bar-no-scroll-bar
 915               :help "Turn off scroll-bar"
 916               :visible (display-graphic-p)
 917               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 918                                                (frame-parameters))) nil))))
 919
 920 (defun menu-bar-no-scroll-bar ()
 921   "Turn off scroll bars."
 922   (interactive)
 923   (customize-set-variable 'scroll-bar-mode nil))
 924
 925 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 926   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 927         :visible `(display-graphic-p)))
 928
 929 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 930   (list 'menu-item "Tooltips" 'tooltip-mode
 931         :help "Turn tooltips on/off"
 932         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 933         :button `(:toggle . tooltip-mode)))
 934
 935 (define-key menu-bar-showhide-menu [menu-bar-mode]
 936   '(menu-item "Menu-bar" toggle-menu-bar-mode-from-frame
 937               :help "Turn menu-bar on/off"
 938               :button (:toggle . (> (frame-parameter nil 'menu-bar-lines) 0))))
 939
 940 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 941   (list 'menu-item "Tool-bar" 'toggle-tool-bar-mode-from-frame
 942         :help "Toggle tool-bar on/off"
 943         :visible `(display-graphic-p)
 944         :button `(:toggle . (> (frame-parameter nil 'tool-bar-lines) 0))))
 945
 946 (define-key menu-bar-options-menu [showhide]
 947   (list 'menu-item "Show/Hide" menu-bar-showhide-menu))
 948
 949 (define-key menu-bar-options-menu [showhide-separator]
 950   '("--"))
 951
 952 (define-key menu-bar-options-menu [mule]
 953   ;; It is better not to use backquote here,
 954   ;; because that makes a bootstrapping problem
 955   ;; if you need to recompile all the Lisp files using interpreted code.
 956   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 957 ;; Most of the MULE menu actually does make sense in unibyte mode,
 958 ;; e.g. language selection.
 959 ;;;     ':visible 'default-enable-multibyte-characters
 960         ))
 961 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 962 ;(define-key menu-bar-options-menu [preferences]
 963 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 964 ;       :help "Toggle important global options"))
 965
 966 (define-key menu-bar-options-menu [mule-separator]
 967   '("--"))
 968
 969 (define-key menu-bar-options-menu [debug-on-quit]
 970   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 971                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 972                         "Enter Lisp debugger when C-g is pressed"))
 973 (define-key menu-bar-options-menu [debug-on-error]
 974   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 975                         "Enter Debugger on Error" "Debug on Error %s"
 976                         "Enter Lisp debugger when an error is signaled"))
 977 (define-key menu-bar-options-menu [debugger-separator]
 978   '("--"))
 979
 980 (define-key menu-bar-options-menu [blink-cursor-mode]
 981   (menu-bar-make-mm-toggle blink-cursor-mode
 982                            "Blinking Cursor"
 983                            "Whether the cursor blinks (Blink Cursor mode)"))
 984 (define-key menu-bar-options-menu [cursor-separator]
 985   '("--"))
 986
 987 (define-key menu-bar-options-menu [save-place]
 988   (menu-bar-make-toggle toggle-save-place-globally save-place
 989                         "Save Place in Files between Sessions"
 990                         "Saving place in files %s"
 991                         "Visit files of previous session when restarting Emacs"
 992                         (require 'saveplace)
 993                         ;; Do it by name, to avoid a free-variable
 994                         ;; warning during byte compilation.
 995                         (set-default
 996                          'save-place (not (symbol-value 'save-place)))))
 997
 998 (define-key menu-bar-options-menu [uniquify]
 999   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
1000                         "Use Directory Names in Buffer Names"
1001                         "Directory name in buffer names (uniquify) %s"
1002                         "Uniquify buffer names by adding parent directory names"
1003                         (require 'uniquify)
1004                         (setq uniquify-buffer-name-style
1005                               (if (not uniquify-buffer-name-style)
1006                                   'forward))))
1007
1008 (define-key menu-bar-options-menu [edit-options-separator]
1009   '("--"))
1010 (define-key menu-bar-options-menu [cua-mode]
1011   (menu-bar-make-mm-toggle cua-mode
1012                            "C-x/C-c/C-v Cut and Paste (CUA)"
1013                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"
1014                            (:visible (or (not (boundp 'cua-enable-cua-keys))
1015                                          cua-enable-cua-keys))))
1016
1017 (define-key menu-bar-options-menu [cua-emulation-mode]
1018   (menu-bar-make-mm-toggle cua-mode
1019                            "Shift movement mark region (CUA)"
1020                            "Use shifted movement keys to set and extend the region."
1021                            (:visible (and (boundp 'cua-enable-cua-keys)
1022                                           (not cua-enable-cua-keys)))))
1023
1024 (define-key menu-bar-options-menu [case-fold-search]
1025   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1026             "Case-Insensitive Search"
1027             "Case-Insensitive Search %s"
1028             "Globally ignore letter-case in search"))
1029
1030 (defun menu-bar-text-mode-auto-fill ()
1031   (interactive)
1032   (toggle-text-mode-auto-fill)
1033   ;; This is somewhat questionable, as `text-mode-hook'
1034   ;; might have changed outside customize.
1035   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1036   (customize-mark-as-set 'text-mode-hook))
1037
1038 (define-key menu-bar-options-menu [auto-fill-mode]
1039   '(menu-item "Word Wrap in Text Modes"
1040               menu-bar-text-mode-auto-fill
1041               :help "Automatically fill text between left and right margins (Auto Fill)"
1042               :button (:toggle . (if (listp text-mode-hook)
1043                                      (member 'turn-on-auto-fill text-mode-hook)
1044                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1045 (define-key menu-bar-options-menu [truncate-lines]
1046   '(menu-item "Truncate Long Lines in this Buffer"
1047               toggle-truncate-lines
1048               :help "Truncate long lines on the screen"
1049               :button (:toggle . truncate-lines)
1050               :enable (menu-bar-menu-frame-live-and-visible-p)))
1051
1052 (define-key menu-bar-options-menu [highlight-separator]
1053   '("--"))
1054 (define-key menu-bar-options-menu [highlight-paren-mode]
1055   (menu-bar-make-mm-toggle show-paren-mode
1056                            "Paren Match Highlighting"
1057                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1058 (define-key menu-bar-options-menu [transient-mark-mode]
1059   (menu-bar-make-mm-toggle transient-mark-mode
1060                            "Active Region Highlighting"
1061                            "Make text in active region stand out in color (Transient Mark mode)"
1062                            (:enable (not cua-mode))))
1063
1064 \f
1065 ;; The "Tools" menu items
1066
1067 (defun send-mail-item-name ()
1068   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1069                                      (mh-e-user-agent . "MH")
1070                                      (message-user-agent . "Gnus Message")
1071                                      (gnus-user-agent . "Gnus")))
1072          (name (assq mail-user-agent known-send-mail-commands)))
1073     (if name
1074         (setq name (cdr name))
1075       (setq name (symbol-name mail-user-agent))
1076       (if (string-match "\\(.+\\)-user-agent" name)
1077           (setq name (match-string 1 name))))
1078     name))
1079
1080 (defun read-mail-item-name ()
1081   (let* ((known-rmail-commands '((rmail . "RMAIL")
1082                                  (mh-rmail . "MH")
1083                                  (gnus . "Gnus")))
1084          (known (assq read-mail-command known-rmail-commands)))
1085     (if known (cdr known) (symbol-name read-mail-command))))
1086
1087 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1088
1089 (define-key menu-bar-tools-menu [games]
1090   (list 'menu-item "Games" menu-bar-games-menu))
1091
1092 (define-key menu-bar-tools-menu [separator-games]
1093   '("--"))
1094
1095 (define-key menu-bar-games-menu [zone]
1096   '(menu-item "Zone Out"  zone
1097               :help "Play tricks with Emacs display when Emacs is idle"))
1098 (define-key menu-bar-games-menu [tetris]
1099   '(menu-item "Tetris"  tetris))
1100 (define-key menu-bar-games-menu [solitaire]
1101   '(menu-item "Solitaire"  solitaire))
1102 (define-key menu-bar-games-menu [snake]
1103   '(menu-item "Snake"  snake
1104               :help "Move snake around avoiding collisions"))
1105 (define-key menu-bar-games-menu [mult]
1106   '(menu-item "Multiplication Puzzle"  mpuz
1107               :help "Exercise brain with multiplication"))
1108 (define-key menu-bar-games-menu [life]
1109   '(menu-item "Life"  life
1110               :help "Watch how John Conway's cellular automaton evolves"))
1111 (define-key menu-bar-games-menu [hanoi]
1112   '(menu-item "Towers of Hanoi" hanoi
1113               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1114 (define-key menu-bar-games-menu [gomoku]
1115   '(menu-item "Gomoku"  gomoku
1116               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1117 (define-key menu-bar-games-menu [black-box]
1118   '(menu-item "Blackbox"  blackbox
1119               :help "Find balls in a black box by shooting rays"))
1120 (define-key menu-bar-games-menu [adventure]
1121   '(menu-item "Adventure"  dunnet
1122               :help "Dunnet, a text Adventure game for Emacs"))
1123 (define-key menu-bar-games-menu [5x5]
1124   '(menu-item "5x5" 5x5
1125               :help "Fill in all the squares on a 5x5 board"))
1126
1127 (define-key menu-bar-tools-menu [simple-calculator]
1128   '(menu-item "Simple Calculator" calculator
1129               :help "Invoke the Emacs built-in quick calculator"))
1130 (define-key menu-bar-tools-menu [calc]
1131   '(menu-item "Programmable Calculator" calc
1132               :help "Invoke the Emacs built-in full scientific calculator"))
1133 (define-key menu-bar-tools-menu [calendar]
1134   '(menu-item "Calendar" calendar
1135               :help "Invoke the Emacs built-in calendar"))
1136
1137 (define-key menu-bar-tools-menu [separator-net]
1138   '("--"))
1139
1140 (define-key menu-bar-tools-menu [directory-search]
1141   '(menu-item "Directory Search" eudc-tools-menu))
1142 (define-key menu-bar-tools-menu [compose-mail]
1143   (list
1144    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1145    'compose-mail
1146    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1147    :help "Send a mail message"))
1148 (define-key menu-bar-tools-menu [rmail]
1149   (list
1150    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1151    'menu-bar-read-mail
1152    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1153    :help "Read your mail and reply to it"))
1154
1155 (defun menu-bar-read-mail ()
1156   "Read mail using `read-mail-command'."
1157   (interactive)
1158   (call-interactively read-mail-command))
1159
1160 (define-key menu-bar-tools-menu [gnus]
1161   '(menu-item "Read Net News (Gnus)" gnus
1162               :help "Read network news groups"))
1163
1164 (define-key menu-bar-tools-menu [separator-vc]
1165   '("--"))
1166
1167 (define-key menu-bar-tools-menu [pcl-cvs]
1168   '(menu-item "PCL-CVS" cvs-global-menu))
1169 (define-key menu-bar-tools-menu [vc] nil) ;Create the place for the VC menu.
1170
1171 (define-key menu-bar-tools-menu [separator-compare]
1172   '("--"))
1173
1174 (define-key menu-bar-tools-menu [ediff-misc]
1175   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu))
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 (define-key menu-bar-tools-menu [compare]
1181   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu))
1182
1183 (define-key menu-bar-tools-menu [separator-spell]
1184   '("--"))
1185
1186 (define-key menu-bar-tools-menu [spell]
1187   '(menu-item "Spell Checking" ispell-menu-map))
1188
1189 (define-key menu-bar-tools-menu [separator-prog]
1190   '("--"))
1191
1192 (define-key menu-bar-tools-menu [gdb]
1193   '(menu-item "Debugger (GDB)..." gdb
1194               :help "Debug a program from within Emacs with GDB"))
1195 (define-key menu-bar-tools-menu [shell-on-region]
1196   '(menu-item "Shell Command on Region..." shell-command-on-region
1197               :enable mark-active
1198               :help "Pass marked region to a shell command"))
1199 (define-key menu-bar-tools-menu [shell]
1200   '(menu-item "Shell Command..." shell-command
1201               :help "Invoke a shell command and catch its output"))
1202 (define-key menu-bar-tools-menu [compile]
1203   '(menu-item "Compile..." compile
1204               :help "Invoke compiler or Make, view compilation errors"))
1205 (define-key menu-bar-tools-menu [grep]
1206   '(menu-item "Search Files (Grep)..." grep
1207               :help "Search files for strings or regexps (with Grep)"))
1208
1209 \f
1210 ;; The "Help" menu items
1211
1212 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1213
1214 (define-key menu-bar-describe-menu [mule-diag]
1215   '(menu-item "Show All of Mule Status" mule-diag
1216               :visible default-enable-multibyte-characters
1217               :help "Display multilingual environment settings"))
1218 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1219   '(menu-item "Describe Coding System (Briefly)"
1220               describe-current-coding-system-briefly
1221               :visible default-enable-multibyte-characters))
1222 (define-key menu-bar-describe-menu [describe-coding-system]
1223   '(menu-item "Describe Coding System..." describe-coding-system
1224               :visible default-enable-multibyte-characters))
1225 (define-key menu-bar-describe-menu [describe-input-method]
1226   '(menu-item "Describe Input Method..." describe-input-method
1227               :visible default-enable-multibyte-characters
1228               :help "Keyboard layout for specific input method"))
1229 (define-key menu-bar-describe-menu [describe-language-environment]
1230   (list 'menu-item "Describe Language Environment"
1231         describe-language-environment-map))
1232
1233 (define-key menu-bar-describe-menu [separator-desc-mule]
1234   '("--"))
1235
1236 (define-key menu-bar-describe-menu [list-keybindings]
1237   '(menu-item "List Key Bindings" describe-bindings
1238               :help "Display all current keybindings (keyboard shortcuts)"))
1239 (define-key menu-bar-describe-menu [describe-current-display-table]
1240   '(menu-item "Describe Display Table" describe-current-display-table
1241               :help "Describe the current display table"))
1242 (define-key menu-bar-describe-menu [describe-face]
1243   '(menu-item "Describe Face..." describe-face
1244               :help "Display the properties of a face"))
1245 (define-key menu-bar-describe-menu [describe-variable]
1246   '(menu-item "Describe Variable..." describe-variable
1247               :help "Display documentation of variable/option"))
1248 (define-key menu-bar-describe-menu [describe-function]
1249   '(menu-item "Describe Function..." describe-function
1250               :help "Display documentation of function/command"))
1251 (define-key menu-bar-describe-menu [describe-key-1]
1252   '(menu-item "Describe Key or Mouse Operation..." describe-key
1253               ;; Users typically don't identify keys and menu items...
1254               :help "Display documentation of command bound to a \
1255 key, a click, or a menu-item"))
1256 (define-key menu-bar-describe-menu [describe-mode]
1257   '(menu-item "Describe Buffer Modes" describe-mode
1258               :help "Describe this buffer's major and minor mode"))
1259
1260 (defvar menu-bar-search-documentation-menu
1261   (make-sparse-keymap "Search Documentation"))
1262 (defun menu-bar-read-lispref ()
1263   "Display the Emacs Lisp Reference manual in Info mode."
1264   (interactive)
1265   (info "elisp"))
1266
1267 (defun menu-bar-read-lispintro ()
1268   "Display the Introduction to Emacs Lisp Programming in Info mode."
1269   (interactive)
1270   (info "eintr"))
1271
1272 (defun search-emacs-glossary ()
1273   "Display the Glossary node of the Emacs manual in Info mode."
1274   (interactive)
1275   (info "(emacs)Glossary"))
1276
1277 (defun emacs-index-search (topic)
1278   "Look up TOPIC in the indices of the Emacs User Manual."
1279   (interactive "sSubject to look up: ")
1280   (info "emacs")
1281   (Info-index topic))
1282
1283 (defun elisp-index-search (topic)
1284   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1285   (interactive "sSubject to look up: ")
1286   (info "elisp")
1287   (Info-index topic))
1288
1289 (define-key menu-bar-search-documentation-menu [search-documentation-strings]
1290   '(menu-item "Search Documentation Strings..." apropos-documentation
1291               :help
1292               "Find functions and variables whose doc strings match a regexp"))
1293 (define-key menu-bar-search-documentation-menu [find-any-object-by-name]
1294   '(menu-item "Find Any Object by Name..."  apropos
1295               :help "Find symbols of any kind whose names match a regexp"))
1296 (define-key menu-bar-search-documentation-menu [find-option-by-value]
1297   '(menu-item "Find Options by Value..." apropos-value
1298               :help "Find variables whose values match a regexp"))
1299 (define-key menu-bar-search-documentation-menu [find-options-by-name]
1300   '(menu-item "Find Options by Name..." apropos-variable
1301               :help "Find variables whose names match a regexp"))
1302 (define-key menu-bar-search-documentation-menu [find-commands-by-name]
1303   '(menu-item "Find Commands by Name..." apropos-command
1304               :help "Find commands whose names match a regexp"))
1305 (define-key menu-bar-search-documentation-menu [sep1]
1306   '("--"))
1307 (define-key menu-bar-search-documentation-menu [lookup-command-in-manual]
1308   '(menu-item "Look Up Command in User Manual..." Info-goto-emacs-command-node
1309               :help "Display manual section that describes a command"))
1310 (define-key menu-bar-search-documentation-menu [lookup-key-in-manual]
1311   '(menu-item "Look Up Key in User Manual..." Info-goto-emacs-key-command-node
1312               :help "Display manual section that describes a key"))
1313 (define-key menu-bar-search-documentation-menu [lookup-subject-in-elisp-manual]
1314   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1315               :help "Find description of a subject in Emacs Lisp manual"))
1316 (define-key menu-bar-search-documentation-menu [lookup-subject-in-emacs-manual]
1317   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1318               :help "Find description of a subject in Emacs User manual"))
1319 (define-key menu-bar-search-documentation-menu [emacs-terminology]
1320   '(menu-item "Emacs Terminology" search-emacs-glossary
1321               :help "Display the Glossary section of the Emacs manual"))
1322
1323 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1324
1325 (define-key menu-bar-manuals-menu [man]
1326   '(menu-item "Read Man Page..." manual-entry
1327               :help "Man-page docs for external commands and libraries"))
1328 (define-key menu-bar-manuals-menu [sep2]
1329   '("--"))
1330 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1331   '(menu-item "Ordering Manuals" view-order-manuals
1332               :help "How to order manuals from the Free Software Foundation"))
1333 (define-key menu-bar-manuals-menu [lookup-subject-in-all-manuals]
1334   '(menu-item "Lookup Subject in all manuals..." info-apropos
1335               :help "Find description of a subject in all installed manuals"))
1336 (define-key menu-bar-manuals-menu [other-manuals]
1337   '(menu-item "All Other Manuals (Info)" Info-directory
1338               :help "Read any of the installed manuals"))
1339 (define-key menu-bar-manuals-menu [emacs-lisp-reference]
1340   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1341               :help "Read the Emacs Lisp Reference manual"))
1342 (define-key menu-bar-manuals-menu [emac-lisp-intro]
1343   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1344               :help "Read the Introduction to Emacs Lisp Programming"))
1345
1346 (define-key menu-bar-help-menu [about-gnu-project]
1347   '(menu-item "About GNU" describe-project
1348               :help "About the GNU System, GNU Project, and GNU/Linux"))
1349 (define-key menu-bar-help-menu [about-emacs]
1350   '(menu-item "About Emacs" about-emacs
1351               :help "Display version number, copyright info, and basic help"))
1352 (define-key menu-bar-help-menu [sep4]
1353   '("--"))
1354 (define-key menu-bar-help-menu [describe-no-warranty]
1355   '(menu-item "(Non)Warranty" describe-no-warranty
1356               :help "Explain that Emacs has NO WARRANTY"))
1357 (define-key menu-bar-help-menu [describe-copying]
1358   '(menu-item "Copying Conditions" describe-copying
1359               :help "Show the Emacs license (GPL)"))
1360 (define-key menu-bar-help-menu [getting-new-versions]
1361   '(menu-item "Getting New Versions" describe-distribution
1362               :help "How to get latest versions of Emacs"))
1363 (defun menu-bar-help-extra-packages ()
1364   "Display help about some additional packages available for Emacs."
1365   (interactive)
1366   (let (enable-local-variables)
1367     (view-file (expand-file-name "MORE.STUFF"
1368                                  data-directory))
1369     (goto-address)))
1370 (define-key menu-bar-help-menu [sep2]
1371   '("--"))
1372 (define-key menu-bar-help-menu [external-packages]
1373   '(menu-item "External Packages" menu-bar-help-extra-packages
1374               :help "Lisp packages distributed separately for use in Emacs"))
1375 (define-key menu-bar-help-menu [find-emacs-packages]
1376   '(menu-item "Find Emacs Packages" finder-by-keyword
1377               :help "Find packages and features by keyword"))
1378 (define-key menu-bar-help-menu [more-manuals]
1379   (list 'menu-item "More Manuals" menu-bar-manuals-menu))
1380 (define-key menu-bar-help-menu [emacs-manual]
1381   '(menu-item "Read the Emacs Manual" info-emacs-manual
1382               :help "Full documentation of Emacs features"))
1383 (define-key menu-bar-help-menu [describe]
1384   (list 'menu-item "Describe" menu-bar-describe-menu))
1385 (define-key menu-bar-help-menu [search-documentation]
1386   (list 'menu-item "Search Documentation" menu-bar-search-documentation-menu))
1387 (define-key menu-bar-help-menu [sep1]
1388   '("--"))
1389 (define-key menu-bar-help-menu [emacs-psychotherapist]
1390   '(menu-item "Emacs Psychotherapist" doctor
1391               :help "Our doctor will help you feel better"))
1392 (define-key menu-bar-help-menu [send-emacs-bug-report]
1393   '(menu-item "Send Bug Report..." report-emacs-bug
1394               :help "Send e-mail to Emacs maintainers"))
1395 (define-key menu-bar-help-menu [emacs-known-problems]
1396   '(menu-item "Emacs Known Problems" view-emacs-problems
1397               :help "Read about known problems with Emacs"))
1398 (define-key menu-bar-help-menu [emacs-news]
1399   '(menu-item "Emacs News" view-emacs-news
1400               :help "New features of this version"))
1401 (define-key menu-bar-help-menu [emacs-faq]
1402   '(menu-item "Emacs FAQ" view-emacs-FAQ
1403               :help "Frequently asked (and answered) questions about Emacs"))
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 (or menu-updating-frame (selected-frame))))
1422     (and (frame-live-p menu-frame)
1423          (frame-visible-p menu-frame))))
1424
1425 (defun menu-bar-non-minibuffer-window-p ()
1426   "Return non-nil if selected window of the menu frame is not a minibuf window.
1427
1428 See the documentation of `menu-bar-menu-frame-live-and-visible-p'
1429 for the definition of the menu frame."
1430   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1431     (not (window-minibuffer-p (frame-selected-window menu-frame)))))
1432
1433 (defun kill-this-buffer ()      ; for the menu bar
1434   "Kill the current buffer."
1435   (interactive)
1436   (kill-buffer (current-buffer)))
1437
1438 (defun kill-this-buffer-enabled-p ()
1439   (let ((count 0)
1440         (buffers (buffer-list)))
1441     (while buffers
1442       (or (string-match "^ " (buffer-name (car buffers)))
1443           (setq count (1+ count)))
1444       (setq buffers (cdr buffers)))
1445     (and (menu-bar-non-minibuffer-window-p)
1446          (> count 1))))
1447
1448 (put 'dired 'menu-enable '(menu-bar-non-minibuffer-window-p))
1449
1450 ;; Permit deleting frame if it would leave a visible or iconified frame.
1451 (defun delete-frame-enabled-p ()
1452   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1453   (let ((frames (frame-list))
1454         (count 0))
1455     (while frames
1456       (if (frame-visible-p (car frames))
1457           (setq count (1+ count)))
1458       (setq frames (cdr frames)))
1459     (> count 1)))
1460
1461 (defcustom yank-menu-length 20
1462   "*Maximum length to display in the yank-menu."
1463   :type 'integer
1464   :group 'mouse)
1465
1466 (defun menu-bar-update-yank-menu (string old)
1467   (let ((front (car (cdr yank-menu)))
1468         (menu-string (if (<= (length string) yank-menu-length)
1469                          string
1470                        (concat
1471                         (substring string 0 (/ yank-menu-length 2))
1472                         "..."
1473                         (substring string (- (/ yank-menu-length 2)))))))
1474     ;; Don't let the menu string be all dashes
1475     ;; because that has a special meaning in a menu.
1476     (if (string-match "\\`-+\\'" menu-string)
1477         (setq menu-string (concat menu-string " ")))
1478     ;; If we're supposed to be extending an existing string, and that
1479     ;; string really is at the front of the menu, then update it in place.
1480     (if (and old (or (eq old (car front))
1481                      (string= old (car front))))
1482         (progn
1483           (setcar front string)
1484           (setcar (cdr front) menu-string))
1485       (setcdr yank-menu
1486               (cons
1487                (cons string (cons menu-string 'menu-bar-select-yank))
1488                (cdr yank-menu)))))
1489   (if (> (length (cdr yank-menu)) kill-ring-max)
1490       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1491
1492 (put 'menu-bar-select-yank 'apropos-inhibit t)
1493 (defun menu-bar-select-yank ()
1494   "Insert the stretch of previously-killed text selected from menu.
1495 The menu shows all the killed text sequences stored in `kill-ring'."
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)
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 ?\s (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 ?\s (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 'previous-buffer
1666                              'menu-item
1667                              "Previous Buffer"
1668                              'previous-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          ;; We used to "(define-key (current-global-map) [menu-bar buffer]"
1685          ;; but that did not do the right thing when the [menu-bar buffer]
1686          ;; entry above had been moved (e.g. to a parent keymap).
1687          (setcdr global-buffers-menu-map (cons "Select Buffer" 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
1758   ;; Make menu-bar-mode and default-frame-alist consistent.
1759   (modify-all-frames-parameters (list (cons 'menu-bar-lines
1760                                             (if menu-bar-mode 1 0))))
1761
1762   ;; Make the message appear when Emacs is idle.  We can not call message
1763   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1764   ;; after this function returns, overwriting any message we do here.
1765   (when (and (interactive-p) (not menu-bar-mode))
1766     (run-with-idle-timer 0 nil 'message
1767                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1768   menu-bar-mode)
1769
1770 (defun toggle-menu-bar-mode-from-frame (&optional arg)
1771   "Toggle menu bar on or off, based on the status of the current frame.
1772 See `menu-bar-mode' for more information."
1773   (interactive (list (or current-prefix-arg 'toggle)))
1774   (if (eq arg 'toggle)
1775       (menu-bar-mode (if (> (frame-parameter nil 'menu-bar-lines) 0) 0 1))
1776     (menu-bar-mode arg)))
1777
1778 (declare-function x-menu-bar-open "term/x-win" (&optional frame))
1779
1780 (defun menu-bar-open (&optional frame)
1781   "Start key navigation of the menu bar in FRAME.
1782
1783 This function decides which method to use to access the menu
1784 depending on FRAME's terminal device.  On X displays, it calls
1785 `x-menu-bar-open'; otherwise it calls `tmm-menubar'.
1786
1787 If FRAME is nil or not given, use the selected frame."
1788   (interactive)
1789   (if (eq window-system 'x)
1790       (x-menu-bar-open frame)
1791     (with-selected-frame (or frame (selected-frame))
1792       (tmm-menubar))))
1793
1794 (global-set-key [f10] 'menu-bar-open)
1795
1796 (provide 'menu-bar)
1797
1798 ;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1799 ;;; menu-bar.el ends here