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               :help "Incremental Search finds partial matches while you type the search string.\nIt is most convenient from the keyboard.  Try it!"))
 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               :help "Change properties of text in region"))
 374
 375 (define-key menu-bar-edit-menu [fill]
 376   '(menu-item "Fill" fill-region
 377               :enable (and mark-active (not buffer-read-only))
 378               :help
 379               "Fill text in region to fit between left and right margin"))
 380
 381 (define-key menu-bar-edit-menu [separator-bookmark]
 382   '(menu-item "--"))
 383
 384 (define-key menu-bar-edit-menu [bookmark]
 385   '(menu-item "Bookmarks" menu-bar-bookmark-map
 386               :help "Record positions and jump between them"))
 387
 388 (defvar menu-bar-goto-menu (make-sparse-keymap "Go To"))
 389
 390 (define-key menu-bar-goto-menu [set-tags-name]
 391   '(menu-item "Set Tags File Name..." visit-tags-table
 392               :help "Tell Tags commands which tag table file to use"))
 393
 394 (define-key menu-bar-goto-menu [separator-tag-file]
 395   '(menu-item "--"))
 396
 397 (define-key menu-bar-goto-menu [apropos-tags]
 398   '(menu-item "Tags Apropos..." tags-apropos
 399               :help "Find function/variables whose names match regexp"))
 400 (define-key menu-bar-goto-menu [next-tag-otherw]
 401   '(menu-item "Next Tag in Other Window"
 402               menu-bar-next-tag-other-window
 403               :enable (and (boundp 'tags-location-ring)
 404                            (not (ring-empty-p tags-location-ring)))
 405               :help "Find next function/variable matching last tag name in another window"))
 406
 407 (defun menu-bar-next-tag-other-window ()
 408   "Find the next definition of the tag already specified."
 409   (interactive)
 410   (find-tag-other-window nil t))
 411
 412 (defun menu-bar-next-tag ()
 413   "Find the next definition of the tag already specified."
 414   (interactive)
 415   (find-tag nil t))
 416
 417 (define-key menu-bar-goto-menu [next-tag]
 418   '(menu-item "Find Next Tag"
 419               menu-bar-next-tag
 420               :enable (and (boundp 'tags-location-ring)
 421                            (not (ring-empty-p tags-location-ring)))
 422               :help "Find next function/variable matching last tag name"))
 423 (define-key menu-bar-goto-menu [find-tag-otherw]
 424   '(menu-item "Find Tag in Other Window..." find-tag-other-window
 425               :help "Find function/variable definition in another window"))
 426 (define-key menu-bar-goto-menu [find-tag]
 427   '(menu-item "Find Tag..." find-tag
 428               :help "Find definition of function or variable"))
 429
 430 (define-key menu-bar-goto-menu [separator-tags]
 431   '(menu-item "--"))
 432
 433 (define-key menu-bar-goto-menu [end-of-buf]
 434   '(menu-item "Goto End of Buffer" end-of-buffer))
 435 (define-key menu-bar-goto-menu [beg-of-buf]
 436   '(menu-item "Goto Beginning of Buffer" beginning-of-buffer))
 437 (define-key menu-bar-goto-menu [go-to-pos]
 438   '(menu-item "Goto Buffer Position..." goto-char
 439               :help "Read a number N and go to buffer position N"))
 440 (define-key menu-bar-goto-menu [go-to-line]
 441   '(menu-item "Goto Line..." goto-line
 442               :help "Read a line number and go to that line"))
 443
 444 (define-key menu-bar-edit-menu [goto]
 445   (list 'menu-item "Go To" menu-bar-goto-menu))
 446
 447 (define-key menu-bar-edit-menu [replace]
 448   (list 'menu-item "Replace" menu-bar-replace-menu))
 449
 450 (define-key menu-bar-edit-menu [search]
 451   (list 'menu-item "Search" menu-bar-search-menu))
 452
 453 (define-key menu-bar-edit-menu [separator-search]
 454   '(menu-item "--"))
 455
 456 (define-key menu-bar-edit-menu [mark-whole-buffer]
 457   '(menu-item "Select All" mark-whole-buffer
 458               :help "Mark the whole buffer for a subsequent cut/copy."))
 459 (define-key menu-bar-edit-menu [clear]
 460   '(menu-item "Clear" delete-region
 461               :enable (and mark-active
 462                            (not buffer-read-only)
 463                            (not (mouse-region-match)))
 464               :help
 465               "Delete the text in region between mark and current position"))
 466 (defvar yank-menu (cons "Select Yank" nil))
 467 (fset 'yank-menu (cons 'keymap yank-menu))
 468 (define-key menu-bar-edit-menu [select-paste]
 469   '(menu-item "Select and Paste" yank-menu
 470               :enable (and (cdr yank-menu) (not buffer-read-only))
 471               :help "Paste (yank) text cut or copied earlier"))
 472 (define-key menu-bar-edit-menu [paste]
 473   '(menu-item "Paste" yank
 474               :enable (and
 475                        ;; Emacs compiled --without-x doesn't have
 476                        ;; x-selection-exists-p.
 477                        (fboundp 'x-selection-exists-p)
 478                        (x-selection-exists-p) (not buffer-read-only))
 479               :help "Paste (yank) text most recently cut/copied"))
 480 (define-key menu-bar-edit-menu [copy]
 481   '(menu-item "Copy" menu-bar-kill-ring-save
 482               :enable mark-active
 483               :help "Copy text in region between mark and current position"
 484               :keys "\\[kill-ring-save]"))
 485 (define-key menu-bar-edit-menu [cut]
 486   '(menu-item "Cut" kill-region
 487               :enable (and mark-active (not buffer-read-only))
 488               :help
 489               "Cut (kill) text in region between mark and current position"))
 490 (define-key menu-bar-edit-menu [undo]
 491   '(menu-item "Undo" undo
 492               :enable (and (not buffer-read-only)
 493                            (not (eq t buffer-undo-list))
 494                            (if (eq last-command 'undo)
 495                                (listp pending-undo-list)
 496                              (consp buffer-undo-list)))
 497               :help "Undo last operation"))
 498
 499
 500 (defun menu-bar-kill-ring-save (beg end)
 501   (interactive "r")
 502   (if (mouse-region-match)
 503       (message "Selecting a region with the mouse does `copy' automatically")
 504     (kill-ring-save beg end)))
 505
 506 ;; These are alternative definitions for the cut, paste and copy
 507 ;; menu items.  Use them if your system expects these to use the clipboard.
 508
 509 (put 'clipboard-kill-region 'menu-enable 'mark-active)
 510 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 511 (put 'clipboard-yank 'menu-enable
 512      '(or (and (fboundp 'x-selection-exists-p) (x-selection-exists-p))
 513           (x-selection-exists-p 'CLIPBOARD)))
 514
 515 (defun clipboard-yank ()
 516   "Insert the clipboard contents, or the last stretch of killed text."
 517   (interactive)
 518   (let ((x-select-enable-clipboard t))
 519     (yank)))
 520
 521 (defun clipboard-kill-ring-save (beg end)
 522   "Copy region to kill ring, and save in the X clipboard."
 523   (interactive "r")
 524   (let ((x-select-enable-clipboard t))
 525     (kill-ring-save beg end)))
 526
 527 (defun clipboard-kill-region (beg end)
 528   "Kill the region, and save it in the X clipboard."
 529   (interactive "r")
 530   (let ((x-select-enable-clipboard t))
 531     (kill-region beg end)))
 532
 533 (defun menu-bar-enable-clipboard ()
 534   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 535 Do the same for the keys of the same name."
 536   (interactive)
 537   ;; We can't use constant list structure here because it becomes pure,
 538   ;; and because it gets modified with cache data.
 539   (define-key menu-bar-edit-menu [paste]
 540     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 541   (define-key menu-bar-edit-menu [copy]
 542     (cons "Copy" (cons "Copy text in region to the clipboard"
 543                        'clipboard-kill-ring-save)))
 544   (define-key menu-bar-edit-menu [cut]
 545     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 546                       'clipboard-kill-region)))
 547
 548   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 549   ;; (also for XFree86 on Sun keyboard):
 550   (define-key global-map [f20] 'clipboard-kill-region)
 551   (define-key global-map [f16] 'clipboard-kill-ring-save)
 552   (define-key global-map [f18] 'clipboard-yank)
 553   ;; X11R6 versions:
 554   (define-key global-map [cut] 'clipboard-kill-region)
 555   (define-key global-map [copy] 'clipboard-kill-ring-save)
 556   (define-key global-map [paste] 'clipboard-yank))
 557 \f
 558 ;; The "Options" menu items
 559
 560 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 561
 562 (define-key menu-bar-custom-menu [customize-apropos-groups]
 563   '(menu-item "Groups Matching Regexp..." customize-apropos-groups
 564               :help "Browse groups whose names match regexp"))
 565 (define-key menu-bar-custom-menu [customize-apropos-faces]
 566   '(menu-item "Faces Matching Regexp..." customize-apropos-faces
 567               :help "Browse faces whose names match regexp"))
 568 (define-key menu-bar-custom-menu [customize-apropos-options]
 569   '(menu-item "Options Matching Regexp..." customize-apropos-options
 570               :help "Browse options whose names match regexp"))
 571 (define-key menu-bar-custom-menu [customize-apropos]
 572   '(menu-item "Settings Matching Regexp..." customize-apropos
 573               :help "Browse customizable settings whose names match regexp"))
 574 (define-key menu-bar-custom-menu [separator-1]
 575   '("--"))
 576 (define-key menu-bar-custom-menu [customize-group]
 577   '(menu-item "Specific Group..." customize-group
 578               :help "Customize settings of specific group"))
 579 (define-key menu-bar-custom-menu [customize-face]
 580   '(menu-item "Specific Face..." customize-face
 581               :help "Customize attributes of specific face"))
 582 (define-key menu-bar-custom-menu [customize-option]
 583   '(menu-item "Specific Option..." customize-option
 584               :help "Customize value of specific option"))
 585 (define-key menu-bar-custom-menu [separator-2]
 586   '("--"))
 587 (define-key menu-bar-custom-menu [customize-changed-options]
 588   '(menu-item "New Options..." customize-changed-options
 589               :help "Options added or changed in recent Emacs versions"))
 590 (define-key menu-bar-custom-menu [customize-saved]
 591   '(menu-item "Saved Options" customize-saved
 592               :help "Customize previously saved options"))
 593 (define-key menu-bar-custom-menu [separator-3]
 594   '("--"))
 595 (define-key menu-bar-custom-menu [customize-browse]
 596   '(menu-item "Browse Customization Groups" customize-browse
 597               :help "Browse all customization groups"))
 598 (define-key menu-bar-custom-menu [customize]
 599   '(menu-item "Top-level Customization Group" customize
 600               :help "The master group called `Emacs'"))
 601
 602 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 603
 604 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 605   "Make a menu-item for a global minor mode toggle.
 606 FNAME is the minor mode's name (variable and function).
 607 DOC is the text to use for the menu entry.
 608 HELP is the text to use for the tooltip.
 609 PROPS are additional properties."
 610   `'(menu-item ,doc ,fname
 611      ,@props
 612      :help ,help
 613      :button (:toggle . (and (default-boundp ',fname)
 614                              (default-value ',fname)))))
 615
 616 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 617   `(progn
 618      (defun ,name (&optional interactively)
 619        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 620                 (substring help 1) ".
 621 In an interactive call, record this option as a candidate for saving
 622 by \"Save Options\" in Custom buffers.")
 623        (interactive "p")
 624        (if ,(if body `(progn . ,body)
 625               `(progn
 626                  (custom-load-symbol ',variable)
 627                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 628                        (get (or (get ',variable 'custom-get) 'default-value)))
 629                    (funcall set ',variable (not (funcall get ',variable))))))
 630            (message ,message "enabled")
 631          (message ,message "disabled"))
 632        ;; The function `customize-mark-as-set' must only be called when
 633        ;; a variable is set interactively, as the purpose is to mark it as
 634        ;; a candidate for "Save Options", and we do not want to save options
 635        ;; the user have already set explicitly in his init file.
 636        (if interactively (customize-mark-as-set ',variable)))
 637      '(menu-item ,doc ,name
 638                  :help ,help
 639                  :button (:toggle . (and (default-boundp ',variable)
 640                                          (default-value ',variable))))))
 641
 642 ;;; Assemble all the top-level items of the "Options" menu
 643 (define-key menu-bar-options-menu [customize]
 644   (list 'menu-item "Customize Emacs" menu-bar-custom-menu
 645         :help "Full customization of every Emacs feature"))
 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"))
 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         :help "Select fringe mode"))
 885
 886 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 887
 888 (define-key menu-bar-showhide-scroll-bar-menu [right]
 889   '(menu-item "On the Right"
 890               menu-bar-right-scroll-bar
 891               :help "Scroll-bar on the right side"
 892               :visible (display-graphic-p)
 893               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 894                                                (frame-parameters))) 'right))))
 895 (defun menu-bar-right-scroll-bar ()
 896   "Display scroll bars on the right of each window."
 897   (interactive)
 898   (customize-set-variable 'scroll-bar-mode 'right))
 899
 900 (define-key menu-bar-showhide-scroll-bar-menu [left]
 901   '(menu-item "On the Left"
 902               menu-bar-left-scroll-bar
 903               :help "Scroll-bar on the left side"
 904               :visible (display-graphic-p)
 905               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 906                                                (frame-parameters))) 'left))))
 907
 908 (defun menu-bar-left-scroll-bar ()
 909   "Display scroll bars on the left of each window."
 910   (interactive)
 911   (customize-set-variable 'scroll-bar-mode 'left))
 912
 913 (define-key menu-bar-showhide-scroll-bar-menu [none]
 914   '(menu-item "None"
 915               menu-bar-no-scroll-bar
 916               :help "Turn off scroll-bar"
 917               :visible (display-graphic-p)
 918               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 919                                                (frame-parameters))) nil))))
 920
 921 (defun menu-bar-no-scroll-bar ()
 922   "Turn off scroll bars."
 923   (interactive)
 924   (customize-set-variable 'scroll-bar-mode nil))
 925
 926 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 927   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 928         :visible `(display-graphic-p)
 929         :help "Select scroll-bar mode"))
 930
 931 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 932   (list 'menu-item "Tooltips" 'tooltip-mode
 933         :help "Toggle tooltips on/off"
 934         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 935         :button `(:toggle . tooltip-mode)))
 936
 937 (define-key menu-bar-showhide-menu [menu-bar-mode]
 938   '(menu-item "Menu-bar" menu-bar-mode
 939               :help "Toggle menu-bar on/off"
 940               :button (:toggle . menu-bar-mode)))
 941
 942 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 943   (list 'menu-item "Tool-bar" 'tool-bar-mode
 944         :help "Turn tool-bar on/off"
 945         :visible `(display-graphic-p)
 946         :button `(:toggle . tool-bar-mode)))
 947
 948 (define-key menu-bar-options-menu [showhide]
 949   (list 'menu-item "Show/Hide" menu-bar-showhide-menu
 950         :help "Toggle on/off various display features"))
 951
 952 (define-key menu-bar-options-menu [showhide-separator]
 953   '("--"))
 954
 955 (define-key menu-bar-options-menu [mule]
 956   ;; It is better not to use backquote here,
 957   ;; because that makes a bootstrapping problem
 958   ;; if you need to recompile all the Lisp files using interpreted code.
 959   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 960 ;; Most of the MULE menu actually does make sense in unibyte mode,
 961 ;; e.g. language selection.
 962 ;;;     ':visible 'default-enable-multibyte-characters
 963         ':help "Default language, encodings, input method"))
 964 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 965 ;(define-key menu-bar-options-menu [preferences]
 966 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 967 ;       :help "Toggle important global options"))
 968
 969 (define-key menu-bar-options-menu [mule-separator]
 970   '("--"))
 971
 972 (define-key menu-bar-options-menu [debug-on-quit]
 973   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 974                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 975                         "Enter Lisp debugger when C-g is pressed"))
 976 (define-key menu-bar-options-menu [debug-on-error]
 977   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 978                         "Enter Debugger on Error" "Debug on Error %s"
 979                         "Enter Lisp debugger when an error is signaled"))
 980 (define-key menu-bar-options-menu [debugger-separator]
 981   '("--"))
 982
 983 (define-key menu-bar-options-menu [blink-cursor-mode]
 984   (menu-bar-make-mm-toggle blink-cursor-mode
 985                            "Blinking Cursor"
 986                            "Whether the cursor blinks (Blink Cursor mode)"))
 987 (define-key menu-bar-options-menu [cursor-separator]
 988   '("--"))
 989
 990 (define-key menu-bar-options-menu [save-place]
 991   (menu-bar-make-toggle toggle-save-place-globally save-place
 992                         "Save Place in Files between Sessions"
 993                         "Saving place in files %s"
 994                         "Visit files of previous session when restarting Emacs"
 995                         (require 'saveplace)
 996                         ;; Do it by name, to avoid a free-variable
 997                         ;; warning during byte compilation.
 998                         (set-default
 999                          'save-place (not (symbol-value 'save-place)))))
1000
1001 (define-key menu-bar-options-menu [uniquify]
1002   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
1003                         "Use Directory Names in Buffer Names"
1004                         "Directory name in buffer names (uniquify) %s"
1005                         "Uniquify buffer names by adding parent directory names"
1006                         (require 'uniquify)
1007                         (setq uniquify-buffer-name-style
1008                               (if (not uniquify-buffer-name-style)
1009                                   'forward))))
1010
1011 (define-key menu-bar-options-menu [edit-options-separator]
1012   '("--"))
1013 (define-key menu-bar-options-menu [cua-mode]
1014   (menu-bar-make-mm-toggle cua-mode
1015                            "C-x/C-c/C-v Cut and Paste (CUA)"
1016                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"
1017                            (:visible (or (not (boundp 'cua-enable-cua-keys))
1018                                          cua-enable-cua-keys))))
1019
1020 (define-key menu-bar-options-menu [cua-emulation-mode]
1021   (menu-bar-make-mm-toggle cua-mode
1022                            "Shift movement mark region (CUA)"
1023                            "Use shifted movement keys to set and extend the region."
1024                            (:visible (and (boundp 'cua-enable-cua-keys)
1025                                           (not cua-enable-cua-keys)))))
1026
1027 (define-key menu-bar-options-menu [case-fold-search]
1028   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1029                         "Case-Insensitive Search"
1030                         "Case-Insensitive Search %s"
1031                         "Ignore letter-case in search"))
1032
1033 (defun menu-bar-text-mode-auto-fill ()
1034   (interactive)
1035   (toggle-text-mode-auto-fill)
1036   ;; This is somewhat questionable, as `text-mode-hook'
1037   ;; might have changed outside customize.
1038   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1039   (customize-mark-as-set 'text-mode-hook))
1040
1041 (define-key menu-bar-options-menu [auto-fill-mode]
1042   '(menu-item "Word Wrap in Text Modes"
1043               menu-bar-text-mode-auto-fill
1044               :help "Automatically fill text between left and right margins (Auto Fill)"
1045               :button (:toggle . (if (listp text-mode-hook)
1046                                      (member 'turn-on-auto-fill text-mode-hook)
1047                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1048 (define-key menu-bar-options-menu [truncate-lines]
1049   '(menu-item "Truncate Long Lines in this Buffer"
1050               toggle-truncate-lines
1051               :help "Truncate long lines on the screen"
1052               :button (:toggle . truncate-lines)
1053               :enable (menu-bar-menu-frame-live-and-visible-p)))
1054
1055 (define-key menu-bar-options-menu [highlight-separator]
1056   '("--"))
1057 (define-key menu-bar-options-menu [highlight-paren-mode]
1058   (menu-bar-make-mm-toggle show-paren-mode
1059                            "Paren Match Highlighting"
1060                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1061 (define-key menu-bar-options-menu [transient-mark-mode]
1062   (menu-bar-make-mm-toggle transient-mark-mode
1063                            "Active Region Highlighting"
1064                            "Make text in active region stand out in color (Transient Mark mode)"
1065                            (:enable (not cua-mode))))
1066
1067 \f
1068 ;; The "Tools" menu items
1069
1070 (defun send-mail-item-name ()
1071   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1072                                      (mh-e-user-agent . "MH")
1073                                      (message-user-agent . "Gnus Message")
1074                                      (gnus-user-agent . "Gnus")))
1075          (name (assq mail-user-agent known-send-mail-commands)))
1076     (if name
1077         (setq name (cdr name))
1078       (setq name (symbol-name mail-user-agent))
1079       (if (string-match "\\(.+\\)-user-agent" name)
1080           (setq name (match-string 1 name))))
1081     name))
1082
1083 (defun read-mail-item-name ()
1084   (let* ((known-rmail-commands '((rmail . "RMAIL")
1085                                  (mh-rmail . "MH")
1086                                  (gnus . "Gnus")))
1087          (known (assq read-mail-command known-rmail-commands)))
1088     (if known (cdr known) (symbol-name read-mail-command))))
1089
1090 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1091
1092 (define-key menu-bar-tools-menu [games]
1093   (list 'menu-item "Games" menu-bar-games-menu))
1094
1095 (define-key menu-bar-tools-menu [separator-games]
1096   '("--"))
1097
1098 (define-key menu-bar-games-menu [zone]
1099   '(menu-item "Zone Out"  zone
1100               :help "Play tricks with Emacs display when Emacs is idle"))
1101 (define-key menu-bar-games-menu [yow]
1102   '(menu-item "Random Quotation"  yow
1103               :help "Display a random Zippy quotation"))
1104 (define-key menu-bar-games-menu [tetris]
1105   '(menu-item "Tetris"  tetris))
1106 (define-key menu-bar-games-menu [solitaire]
1107   '(menu-item "Solitaire"  solitaire))
1108 (define-key menu-bar-games-menu [snake]
1109   '(menu-item "Snake"  snake
1110               :help "Move snake around avoiding collisions"))
1111 (define-key menu-bar-games-menu [mult]
1112   '(menu-item "Multiplication Puzzle"  mpuz
1113               :help "Exercise brain with multiplication"))
1114 (define-key menu-bar-games-menu [life]
1115   '(menu-item "Life"  life
1116               :help "Watch how John Conway's cellular automaton evolves"))
1117 (define-key menu-bar-games-menu [hanoi]
1118   '(menu-item "Towers of Hanoi" hanoi
1119               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1120 (define-key menu-bar-games-menu [gomoku]
1121   '(menu-item "Gomoku"  gomoku
1122               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1123 (define-key menu-bar-games-menu [black-box]
1124   '(menu-item "Blackbox"  blackbox
1125               :help "Find balls in a black box by shooting rays"))
1126 (define-key menu-bar-games-menu [adventure]
1127   '(menu-item "Adventure"  dunnet
1128               :help "Dunnet, a text Adventure game for Emacs"))
1129 (define-key menu-bar-games-menu [5x5]
1130   '(menu-item "5x5" 5x5
1131               :help "Fill in all the squares on a 5x5 board"))
1132
1133 (define-key menu-bar-tools-menu [simple-calculator]
1134   '(menu-item "Simple Calculator" calculator
1135               :help "Invoke the Emacs built-in quick calculator"))
1136 (define-key menu-bar-tools-menu [calc]
1137   '(menu-item "Programmable Calculator" calc
1138               :help "Invoke the Emacs built-in full scientific calculator"))
1139 (define-key menu-bar-tools-menu [calendar]
1140   '(menu-item "Display Calendar" calendar))
1141
1142 (define-key menu-bar-tools-menu [separator-net]
1143   '("--"))
1144
1145 (define-key menu-bar-tools-menu [directory-search]
1146   '(menu-item "Directory Search" eudc-tools-menu
1147               :help "Query directory servers via LDAP, CCSO PH/QI or BBDB"))
1148 (define-key menu-bar-tools-menu [compose-mail]
1149   (list
1150    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1151    'compose-mail
1152    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1153    :help "Send a mail message"))
1154 (define-key menu-bar-tools-menu [rmail]
1155   (list
1156    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1157    'menu-bar-read-mail
1158    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1159    :help "Read your mail and reply to it"))
1160
1161 (defun menu-bar-read-mail ()
1162   "Read mail using `read-mail-command'."
1163   (interactive)
1164   (call-interactively read-mail-command))
1165
1166 (define-key menu-bar-tools-menu [gnus]
1167   '(menu-item "Read Net News (Gnus)" gnus
1168               :help "Read network news groups"))
1169
1170 (define-key menu-bar-tools-menu [separator-vc]
1171   '("--"))
1172
1173 (defvar vc-menu-map (make-sparse-keymap "Version Control"))
1174 (define-key menu-bar-tools-menu [pcl-cvs]
1175   '(menu-item "PCL-CVS" cvs-global-menu
1176     :help "Module-level interface to CVS"))
1177 (define-key menu-bar-tools-menu [vc]
1178   (list 'menu-item "Version Control" vc-menu-map
1179         :help "Interface to RCS, CVS, SCCS"))
1180
1181 (define-key menu-bar-tools-menu [separator-compare]
1182   '("--"))
1183
1184 (define-key menu-bar-tools-menu [ediff-misc]
1185   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu
1186               :help "Ediff manual, customization, sessions, etc."))
1187 (define-key menu-bar-tools-menu [epatch]
1188   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1189 (define-key menu-bar-tools-menu [ediff-merge]
1190   '(menu-item "Merge" menu-bar-ediff-merge-menu
1191               :help "Merge different revisions of files/directories"))
1192 (define-key menu-bar-tools-menu [compare]
1193   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu
1194               :help "Display differences between files/directories"))
1195
1196
1197 (define-key menu-bar-tools-menu [separator-spell]
1198   '("--"))
1199
1200 (define-key menu-bar-tools-menu [spell]
1201   '(menu-item "Spell Checking" ispell-menu-map))
1202
1203 (define-key menu-bar-tools-menu [separator-prog]
1204   '("--"))
1205
1206 (define-key menu-bar-tools-menu [gdb]
1207   '(menu-item "Debugger (GDB)..." gdb
1208               :help "Debug a program from within Emacs with GDB"))
1209 (define-key menu-bar-tools-menu [shell-on-region]
1210   '(menu-item "Shell Command on Region..." shell-command-on-region
1211               :enable mark-active
1212               :help "Pass marked region to a shell command"))
1213 (define-key menu-bar-tools-menu [shell]
1214   '(menu-item "Shell Command..." shell-command
1215               :help "Invoke a shell command and catch its output"))
1216 (define-key menu-bar-tools-menu [compile]
1217   '(menu-item "Compile..." compile
1218               :help "Invoke compiler or Make, view compilation errors"))
1219 (define-key menu-bar-tools-menu [grep]
1220   '(menu-item "Search Files (with grep)..." grep
1221               :help "Search files for strings or regexps (with grep)"))
1222
1223 \f
1224 ;; The "Help" menu items
1225
1226 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1227
1228 (define-key menu-bar-describe-menu [mule-diag]
1229   '(menu-item "Show All of Mule Status" mule-diag
1230               :visible default-enable-multibyte-characters
1231               :help "Display multilingual environment settings"))
1232 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1233   '(menu-item "Describe Coding System (Briefly)..."
1234               describe-current-coding-system-briefly
1235               :visible default-enable-multibyte-characters))
1236 (define-key menu-bar-describe-menu [describe-coding-system]
1237   '(menu-item "Describe Coding System..." describe-coding-system
1238               :visible default-enable-multibyte-characters))
1239 (define-key menu-bar-describe-menu [describe-input-method]
1240   '(menu-item "Describe Input Method..." describe-input-method
1241               :visible default-enable-multibyte-characters
1242               :help "Keyboard layout for specific input method"))
1243 (define-key menu-bar-describe-menu [describe-language-environment]
1244   (list 'menu-item "Describe Language Environment"
1245         describe-language-environment-map
1246         :help "Show multilingual settings for a specific language"))
1247
1248 (define-key menu-bar-describe-menu [separator-desc-mule]
1249   '("--"))
1250
1251 (define-key menu-bar-describe-menu [list-keybindings]
1252   '(menu-item "List Key Bindings" describe-bindings
1253               :help "Display all current keybindings (keyboard shortcuts)"))
1254 (define-key menu-bar-describe-menu [describe-current-display-table]
1255   '(menu-item "Describe Display Table" describe-current-display-table
1256               :help "Describe the current display table"))
1257 (define-key menu-bar-describe-menu [describe-face]
1258   '(menu-item "Describe Face..." describe-face
1259               :help "Display the properties of a face"))
1260 (define-key menu-bar-describe-menu [describe-variable]
1261   '(menu-item "Describe Variable..." describe-variable
1262               :help "Display documentation of variable/option"))
1263 (define-key menu-bar-describe-menu [describe-function]
1264   '(menu-item "Describe Function..." describe-function
1265               :help "Display documentation of function/command"))
1266 (define-key menu-bar-describe-menu [describe-key-1]
1267   '(menu-item "Describe Key or Mouse Operation..." describe-key
1268               ;; Users typically don't identify keys and menu items...
1269               :help "Display documentation of command bound to a \
1270 key, a click, or a menu-item"))
1271 (define-key menu-bar-describe-menu [describe-mode]
1272   '(menu-item "Describe Buffer Modes" describe-mode
1273               :help "Describe this buffer's major and minor mode"))
1274
1275 (defvar menu-bar-apropos-menu (make-sparse-keymap "Apropos"))
1276 (defun menu-bar-read-lispref ()
1277   "Display the Emacs Lisp Reference manual in Info mode."
1278   (interactive)
1279   (info "elisp"))
1280
1281 (defun menu-bar-read-lispintro ()
1282   "Display the Introduction to Emacs Lisp Programming in Info mode."
1283   (interactive)
1284   (info "eintr"))
1285
1286 (defun search-emacs-glossary ()
1287   "Display the Glossary node of the Emacs manual in Info mode."
1288   (interactive)
1289   (info "(emacs)Glossary"))
1290
1291 (defun emacs-index-search (topic)
1292   "Look up TOPIC in the indices of the Emacs User Manual."
1293   (interactive "sSubject to look up: ")
1294   (info "emacs")
1295   (Info-index topic))
1296
1297 (defun elisp-index-search (topic)
1298   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1299   (interactive "sSubject to look up: ")
1300   (info "elisp")
1301   (Info-index topic))
1302
1303 (define-key menu-bar-apropos-menu [apropos-documentation]
1304   '(menu-item "Search Documentation Strings..." apropos-documentation
1305               :help
1306               "Find functions and variables whose doc strings match a regexp"))
1307 (define-key menu-bar-apropos-menu [apropos]
1308   '(menu-item "Find Any Object by Name..."  apropos
1309               :help "Find symbols of any kind whose names match a regexp"))
1310 (define-key menu-bar-apropos-menu [apropos-value]
1311   '(menu-item "Find Options by Value..." apropos-value
1312               :help "Find variables whose values match a regexp"))
1313 (define-key menu-bar-apropos-menu [apropos-variables]
1314   '(menu-item "Find Options by Name..." apropos-variable
1315               :help "Find variables whose names match a regexp"))
1316 (define-key menu-bar-apropos-menu [apropos-commands]
1317   '(menu-item "Find Commands by Name..." apropos-command
1318               :help "Find commands whose names match a regexp"))
1319 (define-key menu-bar-apropos-menu [sep1]
1320   '("--"))
1321 (define-key menu-bar-apropos-menu [elisp-index-search]
1322   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1323               :help "Find description of a subject in Emacs Lisp manual"))
1324 (define-key menu-bar-apropos-menu [emacs-index-search]
1325   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1326               :help "Find description of a subject in Emacs User manual"))
1327 (define-key menu-bar-apropos-menu [emacs-glossary]
1328   '(menu-item "Emacs Terminology" search-emacs-glossary
1329               :help "Display the Glossary section of the Emacs manual"))
1330
1331 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1332
1333 (define-key menu-bar-manuals-menu [man]
1334   '(menu-item "Read Man Page..." manual-entry
1335               :help "Man-page docs for external commands and libraries"))
1336 (define-key menu-bar-manuals-menu [sep2]
1337   '("--"))
1338 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1339   '(menu-item "Ordering Manuals" view-order-manuals
1340               :help "How to order manuals from the Free Software Foundation"))
1341 (define-key menu-bar-manuals-menu [info]
1342   '(menu-item "All Other Manuals (Info)" Info-directory
1343               :help "Read any of the installed manuals"))
1344 (define-key menu-bar-manuals-menu [info-elisp]
1345   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1346               :help "Read the Emacs Lisp Reference manual"))
1347 (define-key menu-bar-manuals-menu [info-elintro]
1348   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1349               :help "Read the Introduction to Emacs Lisp Programming"))
1350 (define-key menu-bar-manuals-menu [sep3]
1351   '("--"))
1352 (define-key menu-bar-manuals-menu [command]
1353   '(menu-item "Find Command in Manual..." Info-goto-emacs-command-node
1354               :help "Display manual section that describes a command"))
1355 (define-key menu-bar-manuals-menu [key]
1356   '(menu-item "Find Key in Manual..." Info-goto-emacs-key-command-node
1357               :help "Display manual section that describes a key"))
1358
1359 (define-key menu-bar-help-menu [eliza]
1360   '(menu-item "Emacs Psychotherapist" doctor
1361               :help "Our doctor will help you feel better"))
1362 (define-key menu-bar-help-menu [sep4]
1363   '("--"))
1364 (define-key menu-bar-help-menu [describe-no-warranty]
1365   '(menu-item "(Non)Warranty" describe-no-warranty
1366               :help "Explain that Emacs has NO WARRANTY"))
1367 (define-key menu-bar-help-menu [describe-copying]
1368   '(menu-item "Copying Conditions" describe-copying
1369               :help "Show the Emacs license (GPL)"))
1370 (define-key menu-bar-help-menu [describe-distribution]
1371   '(menu-item "Getting New Versions" describe-distribution
1372               :help "How to get latest versions of Emacs"))
1373 (define-key menu-bar-help-menu [more]
1374   '(menu-item "External Packages" menu-bar-help-extra-packages
1375               :help "Lisp packages distributed separately for use in Emacs"))
1376 (defun menu-bar-help-extra-packages ()
1377   "Display help about some additional packages available for Emacs."
1378   (interactive)
1379   (let (enable-local-variables)
1380     (view-file (expand-file-name "MORE.STUFF"
1381                                  data-directory))
1382     (goto-address)))
1383 (define-key menu-bar-help-menu [about]
1384   '(menu-item "About Emacs" display-splash-screen
1385               :help "Display version number, copyright info, and basic help"))
1386 (define-key menu-bar-help-menu [sep2]
1387   '("--"))
1388 (define-key menu-bar-help-menu [finder-by-keyword]
1389   '(menu-item "Find Emacs Packages" finder-by-keyword
1390               :help "Find packages and features by keyword"))
1391 (define-key menu-bar-help-menu [manuals]
1392   (list 'menu-item "More Manuals" menu-bar-manuals-menu
1393         :help "Search and browse on-line manuals"))
1394 (define-key menu-bar-help-menu [emacs-manual]
1395   '(menu-item "Read the Emacs Manual" info-emacs-manual
1396               :help "Full documentation of Emacs features"))
1397 (define-key menu-bar-help-menu [describe]
1398   (list 'menu-item "Describe" menu-bar-describe-menu
1399         :help "Describe commands, variables, keys"))
1400 (define-key menu-bar-help-menu [apropos]
1401   (list 'menu-item "Search Documentation" menu-bar-apropos-menu
1402         :help "Look up terms, find commands, options, etc. (Apropos)"))
1403 (define-key menu-bar-help-menu [sep1]
1404   '("--"))
1405 (define-key menu-bar-help-menu [report-emacs-bug]
1406   '(menu-item "Send Bug Report..." report-emacs-bug
1407               :help "Send e-mail to Emacs maintainers"))
1408 (define-key menu-bar-help-menu [emacs-problems]
1409   '(menu-item "Emacs Known Problems" view-emacs-problems))
1410 (define-key menu-bar-help-menu [emacs-news]
1411   '(menu-item "Emacs News" view-emacs-news
1412               :help "New features of this version"))
1413 (define-key menu-bar-help-menu [emacs-faq]
1414   '(menu-item "Emacs FAQ" view-emacs-FAQ))
1415
1416 (defun help-with-tutorial-spec-language ()
1417   "Use the Emacs tutorial, specifying which language you want."
1418   (interactive)
1419   (help-with-tutorial t))
1420
1421 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1422   '(menu-item "Emacs Tutorial (choose language)..."
1423               help-with-tutorial-spec-language
1424               :help "Learn how to use Emacs (choose a language)"))
1425 (define-key menu-bar-help-menu [emacs-tutorial]
1426   '(menu-item "Emacs Tutorial" help-with-tutorial
1427               :help "Learn how to use Emacs"))
1428
1429 (defun menu-bar-menu-frame-live-and-visible-p ()
1430   "Return non-nil if the menu frame is alive and visible.
1431 The menu frame is the frame for which we are updating the menu."
1432   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1433     (and (frame-live-p menu-frame)
1434          (frame-visible-p menu-frame))))
1435
1436 (defun menu-bar-non-minibuffer-window-p ()
1437   "Return non-nil if selected window of the menu frame is not a minibuf window.
1438
1439 See the documentation of `menu-bar-menu-frame-live-and-visible-p'
1440 for the definition of the menu frame."
1441   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1442     (not (window-minibuffer-p (frame-selected-window menu-frame)))))
1443
1444 (defun kill-this-buffer ()      ; for the menu bar
1445   "Kill the current buffer."
1446   (interactive)
1447   (kill-buffer (current-buffer)))
1448
1449 (defun kill-this-buffer-enabled-p ()
1450   (let ((count 0)
1451         (buffers (buffer-list)))
1452     (while buffers
1453       (or (string-match "^ " (buffer-name (car buffers)))
1454           (setq count (1+ count)))
1455       (setq buffers (cdr buffers)))
1456     (and (menu-bar-non-minibuffer-window-p)
1457          (> count 1))))
1458
1459 (put 'dired 'menu-enable '(menu-bar-non-minibuffer-window-p))
1460
1461 ;; Permit deleting frame if it would leave a visible or iconified frame.
1462 (defun delete-frame-enabled-p ()
1463   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1464   (let ((frames (frame-list))
1465         (count 0))
1466     (while frames
1467       (if (frame-visible-p (car frames))
1468           (setq count (1+ count)))
1469       (setq frames (cdr frames)))
1470     (> count 1)))
1471
1472 (defcustom yank-menu-length 20
1473   "*Maximum length to display in the yank-menu."
1474   :type 'integer
1475   :group 'mouse)
1476
1477 (defun menu-bar-update-yank-menu (string old)
1478   (let ((front (car (cdr yank-menu)))
1479         (menu-string (if (<= (length string) yank-menu-length)
1480                          string
1481                        (concat
1482                         (substring string 0 (/ yank-menu-length 2))
1483                         "..."
1484                         (substring string (- (/ yank-menu-length 2)))))))
1485     ;; Don't let the menu string be all dashes
1486     ;; because that has a special meaning in a menu.
1487     (if (string-match "\\`-+\\'" menu-string)
1488         (setq menu-string (concat menu-string " ")))
1489     ;; If we're supposed to be extending an existing string, and that
1490     ;; string really is at the front of the menu, then update it in place.
1491     (if (and old (or (eq old (car front))
1492                      (string= old (car front))))
1493         (progn
1494           (setcar front string)
1495           (setcar (cdr front) menu-string))
1496       (setcdr yank-menu
1497               (cons
1498                (cons string (cons menu-string 'menu-bar-select-yank))
1499                (cdr yank-menu)))))
1500   (if (> (length (cdr yank-menu)) kill-ring-max)
1501       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1502
1503 (put 'menu-bar-select-yank 'apropos-inhibit t)
1504 (defun menu-bar-select-yank ()
1505   "Insert the stretch of previously-killed text selected from menu.
1506 The menu shows all the killed text sequences stored in `kill-ring'."
1507   (interactive "*")
1508   (push-mark (point))
1509   (insert last-command-event))
1510
1511 \f
1512 (defcustom buffers-menu-show-directories 'unless-uniquify
1513   "If non-nil, show directories in the Buffers menu for buffers that have them.
1514 The special value `unless-uniquify' means that directories will be shown
1515 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1516 names should include enough of a buffer's directory to distinguish it
1517 from other buffers).
1518
1519 Setting this variable directly does not take effect until next time the
1520 Buffers menu is regenerated."
1521   :set (lambda (symbol value)
1522          (set symbol value)
1523          (menu-bar-update-buffers t))
1524   :initialize 'custom-initialize-default
1525   :type '(choice (const :tag "Never" nil)
1526                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1527                  (const :tag "Always" t))
1528   :group 'menu)
1529
1530 (defcustom buffers-menu-show-status t
1531   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1532 Setting this variable directly does not take effect until next time the
1533 Buffers menu is regenerated."
1534   :set (lambda (symbol value)
1535          (set symbol value)
1536          (menu-bar-update-buffers t))
1537   :initialize 'custom-initialize-default
1538   :type 'boolean
1539   :group 'menu)
1540
1541 (defvar list-buffers-directory nil)
1542
1543 (defvar menu-bar-update-buffers-maxbuf)
1544
1545 (defun menu-bar-select-buffer ()
1546   (interactive)
1547   (switch-to-buffer last-command-event))
1548
1549 (defun menu-bar-select-frame ()
1550   (interactive)
1551   (let (frame)
1552     (dolist (f (frame-list))
1553       (when (equal last-command-event (frame-parameter f 'name))
1554         (setq frame f)))
1555     ;; FRAME can be nil when user specifies the selected frame.
1556     (setq frame (or frame (selected-frame)))
1557     (make-frame-visible frame)
1558     (raise-frame frame)
1559     (select-frame frame)))
1560
1561 (defun menu-bar-update-buffers-1 (elt)
1562   (let* ((buf (car elt))
1563          (file
1564           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1565                    (or (not (boundp 'uniquify-buffer-name-style))
1566                        (null uniquify-buffer-name-style))
1567                  buffers-menu-show-directories)
1568                (or (buffer-file-name buf)
1569                    (buffer-local-value 'list-buffers-directory buf)))))
1570     (when file
1571       (setq file (file-name-directory file)))
1572     (when (and file (> (length file) 20))
1573       (setq file (concat "..." (substring file -17))))
1574     (cons (if buffers-menu-show-status
1575               (let ((mod (if (buffer-modified-p buf) "*" ""))
1576                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1577                 (if file
1578                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1579                   (format "%s  %s%s" (cdr elt) mod ro)))
1580             (if file
1581                 (format "%s  --  %s"  (cdr elt) file)
1582               (cdr elt)))
1583           buf)))
1584
1585 ;; Used to cache the menu entries for commands in the Buffers menu
1586 (defvar menu-bar-buffers-menu-command-entries nil)
1587
1588 (defun menu-bar-update-buffers (&optional force)
1589   ;; If user discards the Buffers item, play along.
1590   (and (lookup-key (current-global-map) [menu-bar buffer])
1591        (or force (frame-or-buffer-changed-p))
1592        (let ((buffers (buffer-list))
1593              (frames (frame-list))
1594              buffers-menu frames-menu)
1595          ;; If requested, list only the N most recently selected buffers.
1596          (if (and (integerp buffers-menu-max-size)
1597                   (> buffers-menu-max-size 1))
1598              (if (> (length buffers) buffers-menu-max-size)
1599                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1600
1601          ;; Make the menu of buffers proper.
1602          (setq buffers-menu
1603                (let* ((buffer-list
1604                        (mapcar 'list buffers))
1605                       (menu-bar-update-buffers-maxbuf 0)
1606                       alist)
1607                  ;; Put into each element of buffer-list
1608                  ;; the name for actual display,
1609                  ;; perhaps truncated in the middle.
1610                  (dolist (buf buffer-list)
1611                    (let ((name (buffer-name (car buf))))
1612                      (setcdr buf
1613                              (if (> (length name) 27)
1614                                  (concat (substring name 0 12)
1615                                          "..."
1616                                          (substring name -12))
1617                                name))))
1618                  ;; Compute the maximum length of any name.
1619                  (dolist (buf buffer-list)
1620                    (unless (eq ?\  (aref (cdr buf) 0))
1621                      (setq menu-bar-update-buffers-maxbuf
1622                            (max menu-bar-update-buffers-maxbuf
1623                                 (length (cdr buf))))))
1624                  ;; Set ALIST to an alist of the form
1625                  ;; ITEM-STRING . BUFFER
1626                  (dolist (buf buffer-list)
1627                    (unless (eq ?\  (aref (cdr buf) 0))
1628                      (push (menu-bar-update-buffers-1 buf) alist)))
1629                  ;; Now make the actual list of items, and add
1630                  ;; some miscellaneous buffer commands to the end.
1631                  (mapcar (lambda (pair)
1632                            ;; This is somewhat risque, to use
1633                            ;; the buffer name itself as the event
1634                            ;; type to define, but it works.
1635                            ;; It would not work to use the buffer
1636                            ;; since a buffer as an event has its
1637                            ;; own meaning.
1638                            (nconc (list (buffer-name (cdr pair))
1639                                         (car pair)
1640                                         (cons nil nil))
1641                                   'menu-bar-select-buffer))
1642                          (nreverse alist))))
1643
1644          ;; Make a Frames menu if we have more than one frame.
1645          (when (cdr frames)
1646            (let ((frames-menu
1647                   (cons 'keymap
1648                         (cons "Select Frame"
1649                               (mapcar
1650                                (lambda (frame)
1651                                  (nconc
1652                                   (list (frame-parameter frame 'name)
1653                                         (frame-parameter frame 'name)
1654                                         (cons nil nil))
1655                                   'menu-bar-select-frame))
1656                                frames)))))
1657              ;; Put it after the normal buffers
1658              (setq buffers-menu
1659                    (nconc buffers-menu
1660                           `((frames-separator "--")
1661                             (frames menu-item "Frames" ,frames-menu))))))
1662
1663          ;; Add in some normal commands at the end of the menu.  We use
1664          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1665          ;; if it's been set already.  Note that we can't use constant
1666          ;; lists for the menu-entries, because the low-level menu-code
1667          ;; modifies them.
1668          (unless menu-bar-buffers-menu-command-entries
1669            (setq menu-bar-buffers-menu-command-entries
1670                  (list '(command-separator "--")
1671                        (list 'next-buffer
1672                              'menu-item
1673                              "Next Buffer"
1674                              'next-buffer
1675                              :help "Switch to the \"next\" buffer in a cyclic order")
1676                        (list 'previous-buffer
1677                              'menu-item
1678                              "Previous Buffer"
1679                              'previous-buffer
1680                              :help "Switch to the \"previous\" buffer in a cyclic order")
1681                        (list 'select-named-buffer
1682                              'menu-item
1683                              "Select Named Buffer..."
1684                              'switch-to-buffer
1685                              :help "Prompt for a buffer name, and select that buffer in the current window")
1686                        (list 'list-all-buffers
1687                              'menu-item
1688                              "List All Buffers"
1689                              'list-buffers
1690                              :help "Pop up a window listing all emacs buffers"
1691                              ))))
1692          (setq buffers-menu
1693                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1694
1695          (setq buffers-menu (cons 'keymap (cons "Select Buffer" buffers-menu)))
1696          (define-key (current-global-map) [menu-bar buffer]
1697            ;; Call copy-sequence so the string is not pure.
1698            (cons (copy-sequence "Buffers") buffers-menu)))))
1699
1700 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1701
1702 (menu-bar-update-buffers)
1703
1704 ;; this version is too slow
1705 ;;(defun format-buffers-menu-line (buffer)
1706 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1707 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1708 ;;  (if (string-match "\\` " (buffer-name buffer))
1709 ;;      nil
1710 ;;    (save-excursion
1711 ;;     (set-buffer buffer)
1712 ;;     (let ((size (buffer-size)))
1713 ;;       (format "%s%s %-19s %6s %-15s %s"
1714 ;;             (if (buffer-modified-p) "*" " ")
1715 ;;             (if buffer-read-only "%" " ")
1716 ;;             (buffer-name)
1717 ;;             size
1718 ;;             mode-name
1719 ;;             (or (buffer-file-name) ""))))))
1720 \f
1721 ;;; Set up a menu bar menu for the minibuffer.
1722
1723 (dolist (map (list minibuffer-local-map
1724                    ;; This shouldn't be necessary, but there's a funny
1725                    ;; bug in keymap.c that I don't understand yet.  -stef
1726                    minibuffer-local-completion-map))
1727   (define-key map [menu-bar minibuf]
1728     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1729
1730 (let ((map minibuffer-local-completion-map))
1731   (define-key map [menu-bar minibuf ?\?]
1732     (list 'menu-item "List Completions" 'minibuffer-completion-help
1733           :help "Display all possible completions"))
1734   (define-key map [menu-bar minibuf space]
1735     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1736           :help "Complete at most one word"))
1737   (define-key map [menu-bar minibuf tab]
1738     (list 'menu-item "Complete" 'minibuffer-complete
1739           :help "Complete as far as possible")))
1740
1741 (let ((map minibuffer-local-map))
1742   (define-key map [menu-bar minibuf quit]
1743     (list 'menu-item "Quit" 'keyboard-escape-quit
1744           :help "Abort input and exit minibuffer"))
1745   (define-key map [menu-bar minibuf return]
1746     (list 'menu-item "Enter" 'exit-minibuffer
1747           :help "Terminate input and exit minibuffer")))
1748 \f
1749 ;;;###autoload
1750 ;; This comment is taken from tool-bar.el near
1751 ;; (put 'tool-bar-mode ...)
1752 ;; We want to pretend the menu bar by standard is on, as this will make
1753 ;; customize consider disabling the menu bar a customization, and save
1754 ;; that.  We could do this for real by setting :init-value below, but
1755 ;; that would overwrite disabling the tool bar from X resources.
1756 (put 'menu-bar-mode 'standard-value '(t))
1757
1758 ;;;###autoload
1759 (define-minor-mode menu-bar-mode
1760   "Toggle display of a menu bar on each frame.
1761 This command applies to all frames that exist and frames to be
1762 created in the future.
1763 With a numeric argument, if the argument is positive,
1764 turn on menu bars; otherwise, turn off menu bars."
1765   :init-value nil
1766   :global t
1767   :group 'frames
1768
1769   ;; Make menu-bar-mode and default-frame-alist consistent.
1770   (modify-all-frames-parameters (list (cons 'menu-bar-lines
1771                                             (if menu-bar-mode 1 0))))
1772
1773   ;; Make the message appear when Emacs is idle.  We can not call message
1774   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1775   ;; after this function returns, overwriting any message we do here.
1776   (when (and (interactive-p) (not menu-bar-mode))
1777     (run-with-idle-timer 0 nil 'message
1778                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1779   menu-bar-mode)
1780
1781 (provide 'menu-bar)
1782
1783 ;;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1784 ;;; menu-bar.el ends here