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 'mark-active)
 508 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 509 (put 'clipboard-yank 'menu-enable
 510      '(or (and (fboundp 'x-selection-exists-p) (x-selection-exists-p))
 511           (x-selection-exists-p 'CLIPBOARD)))
 512
 513 (defun clipboard-yank ()
 514   "Insert the clipboard contents, or the last stretch of killed text."
 515   (interactive "*")
 516   (let ((x-select-enable-clipboard t))
 517     (yank)))
 518
 519 (defun clipboard-kill-ring-save (beg end)
 520   "Copy region to kill ring, and save in the X clipboard."
 521   (interactive "r")
 522   (let ((x-select-enable-clipboard t))
 523     (kill-ring-save beg end)))
 524
 525 (defun clipboard-kill-region (beg end)
 526   "Kill the region, and save it in the X clipboard."
 527   (interactive "r")
 528   (let ((x-select-enable-clipboard t))
 529     (kill-region beg end)))
 530
 531 (defun menu-bar-enable-clipboard ()
 532   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 533 Do the same for the keys of the same name."
 534   (interactive)
 535   ;; We can't use constant list structure here because it becomes pure,
 536   ;; and because it gets modified with cache data.
 537   (define-key menu-bar-edit-menu [paste]
 538     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 539   (define-key menu-bar-edit-menu [copy]
 540     (cons "Copy" (cons "Copy text in region to the clipboard"
 541                        'clipboard-kill-ring-save)))
 542   (define-key menu-bar-edit-menu [cut]
 543     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 544                       'clipboard-kill-region)))
 545
 546   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 547   ;; (also for XFree86 on Sun keyboard):
 548   (define-key global-map [f20] 'clipboard-kill-region)
 549   (define-key global-map [f16] 'clipboard-kill-ring-save)
 550   (define-key global-map [f18] 'clipboard-yank)
 551   ;; X11R6 versions:
 552   (define-key global-map [cut] 'clipboard-kill-region)
 553   (define-key global-map [copy] 'clipboard-kill-ring-save)
 554   (define-key global-map [paste] 'clipboard-yank))
 555 \f
 556 ;; The "Options" menu items
 557
 558 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 559
 560 (define-key menu-bar-custom-menu [customize-apropos-groups]
 561   '(menu-item "Groups Matching Regexp..." customize-apropos-groups
 562               :help "Browse groups whose names match regexp"))
 563 (define-key menu-bar-custom-menu [customize-apropos-faces]
 564   '(menu-item "Faces Matching Regexp..." customize-apropos-faces
 565               :help "Browse faces whose names match regexp"))
 566 (define-key menu-bar-custom-menu [customize-apropos-options]
 567   '(menu-item "Options Matching Regexp..." customize-apropos-options
 568               :help "Browse options whose names match regexp"))
 569 (define-key menu-bar-custom-menu [customize-apropos]
 570   '(menu-item "Settings Matching Regexp..." customize-apropos
 571               :help "Browse customizable settings whose names match regexp"))
 572 (define-key menu-bar-custom-menu [separator-1]
 573   '("--"))
 574 (define-key menu-bar-custom-menu [customize-group]
 575   '(menu-item "Specific Group..." customize-group
 576               :help "Customize settings of specific group"))
 577 (define-key menu-bar-custom-menu [customize-face]
 578   '(menu-item "Specific Face..." customize-face
 579               :help "Customize attributes of specific face"))
 580 (define-key menu-bar-custom-menu [customize-option]
 581   '(menu-item "Specific Option..." customize-option
 582               :help "Customize value of specific option"))
 583 (define-key menu-bar-custom-menu [separator-2]
 584   '("--"))
 585 (define-key menu-bar-custom-menu [customize-changed-options]
 586   '(menu-item "New Options..." customize-changed-options
 587               :help "Options added or changed in recent Emacs versions"))
 588 (define-key menu-bar-custom-menu [customize-saved]
 589   '(menu-item "Saved Options" customize-saved
 590               :help "Customize previously saved options"))
 591 (define-key menu-bar-custom-menu [separator-3]
 592   '("--"))
 593 (define-key menu-bar-custom-menu [customize-browse]
 594   '(menu-item "Browse Customization Groups" customize-browse
 595               :help "Browse all customization groups"))
 596 (define-key menu-bar-custom-menu [customize]
 597   '(menu-item "Top-level Customization Group" customize
 598               :help "The master group called `Emacs'"))
 599
 600 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 601
 602 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 603   "Make a menu-item for a global minor mode toggle.
 604 FNAME is the minor mode's name (variable and function).
 605 DOC is the text to use for the menu entry.
 606 HELP is the text to use for the tooltip.
 607 PROPS are additional properties."
 608   `'(menu-item ,doc ,fname
 609      ,@props
 610      :help ,help
 611      :button (:toggle . (and (default-boundp ',fname)
 612                              (default-value ',fname)))))
 613
 614 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 615   `(progn
 616      (defun ,name (&optional interactively)
 617        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 618                 (substring help 1) ".
 619 In an interactive call, record this option as a candidate for saving
 620 by \"Save Options\" in Custom buffers.")
 621        (interactive "p")
 622        (if ,(if body `(progn . ,body)
 623               `(progn
 624                  (custom-load-symbol ',variable)
 625                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 626                        (get (or (get ',variable 'custom-get) 'default-value)))
 627                    (funcall set ',variable (not (funcall get ',variable))))))
 628            (message ,message "enabled globally")
 629          (message ,message "disabled globally"))
 630        ;; The function `customize-mark-as-set' must only be called when
 631        ;; a variable is set interactively, as the purpose is to mark it as
 632        ;; a candidate for "Save Options", and we do not want to save options
 633        ;; the user have already set explicitly in his init file.
 634        (if interactively (customize-mark-as-set ',variable)))
 635      '(menu-item ,doc ,name
 636                  :help ,help
 637                  :button (:toggle . (and (default-boundp ',variable)
 638                                          (default-value ',variable))))))
 639
 640 ;;; Assemble all the top-level items of the "Options" menu
 641 (define-key menu-bar-options-menu [customize]
 642   (list 'menu-item "Customize Emacs" menu-bar-custom-menu))
 643
 644 (defun menu-bar-options-save ()
 645   "Save current values of Options menu items using Custom."
 646   (interactive)
 647   (let ((need-save nil))
 648     ;; These are set with menu-bar-make-mm-toggle, which does not
 649     ;; put on a customized-value property.
 650     (dolist (elt '(line-number-mode column-number-mode size-indication-mode
 651                    cua-mode show-paren-mode transient-mark-mode
 652                    blink-cursor-mode display-time-mode display-battery-mode))
 653       (and (customize-mark-to-save elt)
 654            (setq need-save t)))
 655     ;; These are set with `customize-set-variable'.
 656     (dolist (elt '(scroll-bar-mode
 657                    debug-on-quit debug-on-error
 658                    tooltip-mode menu-bar-mode tool-bar-mode
 659                    save-place uniquify-buffer-name-style fringe-mode
 660                    indicate-empty-lines indicate-buffer-boundaries
 661                    case-fold-search
 662                    current-language-environment default-input-method
 663                    ;; Saving `text-mode-hook' is somewhat questionable,
 664                    ;; as we might get more than we bargain for, if
 665                    ;; other code may has added hooks as well.
 666                    ;; Nonetheless, not saving it would like be confuse
 667                    ;; more often.
 668                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 669                    text-mode-hook))
 670       (and (get elt 'customized-value)
 671            (customize-mark-to-save elt)
 672            (setq need-save t)))
 673     ;; Save if we changed anything.
 674     (when need-save
 675       (custom-save-all))))
 676
 677 (define-key menu-bar-options-menu [save]
 678   '(menu-item "Save Options" menu-bar-options-save
 679               :help "Save options set from the menu above"))
 680
 681 (define-key menu-bar-options-menu [custom-separator]
 682   '("--"))
 683
 684 (define-key menu-bar-options-menu [mouse-set-font]
 685   '(menu-item "Set Font/Fontset..." mouse-set-font
 686                :visible (display-multi-font-p)
 687                :help "Select a font from list of known fonts/fontsets"))
 688
 689 ;; The "Show/Hide" submenu of menu "Options"
 690
 691 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 692
 693 (define-key menu-bar-showhide-menu [column-number-mode]
 694   (menu-bar-make-mm-toggle column-number-mode
 695                            "Column Numbers"
 696                            "Show the current column number in the mode line"))
 697
 698 (define-key menu-bar-showhide-menu [line-number-mode]
 699   (menu-bar-make-mm-toggle line-number-mode
 700                            "Line Numbers"
 701                            "Show the current line number in the mode line"))
 702
 703 (define-key menu-bar-showhide-menu [size-indication-mode]
 704   (menu-bar-make-mm-toggle size-indication-mode
 705                            "Size Indication"
 706                            "Show the size of the buffer in the mode line"))
 707
 708 (define-key menu-bar-showhide-menu [linecolumn-separator]
 709   '("--"))
 710
 711 (define-key menu-bar-showhide-menu [showhide-battery]
 712   (menu-bar-make-mm-toggle display-battery-mode
 713                            "Battery Status"
 714                            "Display battery status information in mode line"))
 715
 716 (define-key menu-bar-showhide-menu [showhide-date-time]
 717   (menu-bar-make-mm-toggle display-time-mode
 718                            "Time, Load and Mail"
 719                            "Display time, system load averages and \
 720 mail status in mode line"))
 721
 722 (define-key menu-bar-showhide-menu [datetime-separator]
 723   '("--"))
 724
 725 (define-key menu-bar-showhide-menu [showhide-speedbar]
 726   '(menu-item "Speedbar" speedbar-frame-mode
 727               :help "Display a Speedbar quick-navigation frame"
 728               :button (:toggle
 729                        . (and (boundp 'speedbar-frame)
 730                               (frame-live-p (symbol-value 'speedbar-frame))
 731                               (frame-visible-p
 732                                (symbol-value 'speedbar-frame))))))
 733
 734 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 735
 736 (defvar menu-bar-showhide-fringe-ind-menu
 737   (make-sparse-keymap "Buffer boundaries"))
 738
 739 (defun menu-bar-showhide-fringe-ind-customize ()
 740   "Show customization buffer for `indicate-buffer-boundaries'."
 741   (interactive)
 742   (customize-variable 'indicate-buffer-boundaries))
 743
 744 (define-key menu-bar-showhide-fringe-ind-menu [customize]
 745   '(menu-item "Other (Customize)"
 746               menu-bar-showhide-fringe-ind-customize
 747               :help "Additional choices available through Custom buffer"
 748               :visible (display-graphic-p)
 749               :button (:radio . (not (member indicate-buffer-boundaries
 750                                              '(nil left right
 751                                                ((top . left) (bottom . right))
 752                                                ((t . right) (top . left))))))))
 753
 754 (defun menu-bar-showhide-fringe-ind-mixed ()
 755   "Display top and bottom indicators in opposite fringes, arrows in right."
 756   (interactive)
 757   (customize-set-variable 'indicate-buffer-boundaries
 758                           '((t . right) (top . left))))
 759
 760 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 761   '(menu-item "Opposite, Arrows Right" menu-bar-showhide-fringe-ind-mixed
 762               :help
 763               "Show top/bottom indicators in opposite fringes, arrows in right"
 764               :visible (display-graphic-p)
 765               :button (:radio . (equal indicate-buffer-boundaries
 766                                        '((t . right) (top . left))))))
 767
 768 (defun menu-bar-showhide-fringe-ind-box ()
 769   "Display top and bottom indicators in opposite fringes."
 770   (interactive)
 771   (customize-set-variable 'indicate-buffer-boundaries
 772                           '((top . left) (bottom . right))))
 773
 774 (define-key menu-bar-showhide-fringe-ind-menu [box]
 775   '(menu-item "Opposite, No Arrows" menu-bar-showhide-fringe-ind-box
 776               :help "Show top/bottom indicators in opposite fringes, no arrows"
 777               :visible (display-graphic-p)
 778               :button (:radio . (equal indicate-buffer-boundaries
 779                                        '((top . left) (bottom . right))))))
 780
 781 (defun menu-bar-showhide-fringe-ind-right ()
 782   "Display buffer boundaries and arrows in the right fringe."
 783   (interactive)
 784   (customize-set-variable 'indicate-buffer-boundaries 'right))
 785
 786 (define-key menu-bar-showhide-fringe-ind-menu [right]
 787   '(menu-item "In Right Fringe" menu-bar-showhide-fringe-ind-right
 788               :help "Show buffer boundaries and arrows in right fringe"
 789               :visible (display-graphic-p)
 790               :button (:radio . (eq indicate-buffer-boundaries 'right))))
 791
 792 (defun menu-bar-showhide-fringe-ind-left ()
 793   "Display buffer boundaries and arrows in the left fringe."
 794   (interactive)
 795   (customize-set-variable 'indicate-buffer-boundaries 'left))
 796
 797 (define-key menu-bar-showhide-fringe-ind-menu [left]
 798   '(menu-item "In Left Fringe" menu-bar-showhide-fringe-ind-left
 799               :help "Show buffer boundaries and arrows in left fringe"
 800               :visible (display-graphic-p)
 801               :button (:radio . (eq indicate-buffer-boundaries 'left))))
 802
 803 (defun menu-bar-showhide-fringe-ind-none ()
 804   "Do not display any buffer boundary indicators."
 805   (interactive)
 806   (customize-set-variable 'indicate-buffer-boundaries nil))
 807
 808 (define-key menu-bar-showhide-fringe-ind-menu [none]
 809   '(menu-item "No Indicators" menu-bar-showhide-fringe-ind-none
 810               :help "Hide all buffer boundary indicators and arrows"
 811               :visible (display-graphic-p)
 812               :button (:radio . (eq indicate-buffer-boundaries nil))))
 813
 814 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 815   (list 'menu-item "Buffer Boundaries" menu-bar-showhide-fringe-ind-menu
 816         :visible `(display-graphic-p)
 817         :help "Indicate buffer boundaries in fringe"))
 818
 819 (define-key menu-bar-showhide-fringe-menu [indicate-empty-lines]
 820   (menu-bar-make-toggle toggle-indicate-empty-lines indicate-empty-lines
 821                         "Empty Line Indicators"
 822                         "Indicating of empty lines %s"
 823                         "Indicate trailing empty lines in fringe, globally"))
 824
 825 (defun menu-bar-showhide-fringe-menu-customize ()
 826   "Show customization buffer for `fringe-mode'."
 827   (interactive)
 828   (customize-variable 'fringe-mode))
 829
 830 (define-key menu-bar-showhide-fringe-menu [customize]
 831   '(menu-item "Customize Fringe" menu-bar-showhide-fringe-menu-customize
 832               :help "Detailed customization of fringe"
 833               :visible (display-graphic-p)))
 834
 835 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 836   "Reset the fringe mode: display fringes on both sides of a window."
 837   (interactive)
 838   (customize-set-variable 'fringe-mode nil))
 839
 840 (define-key menu-bar-showhide-fringe-menu [default]
 841   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 842               :help "Default width fringe on both left and right side"
 843               :visible (display-graphic-p)
 844               :button (:radio . (eq fringe-mode nil))))
 845
 846 (defun menu-bar-showhide-fringe-menu-customize-right ()
 847   "Display fringes only on the right of each window."
 848   (interactive)
 849   (require 'fringe)
 850   (customize-set-variable 'fringe-mode '(0 . nil)))
 851
 852 (define-key menu-bar-showhide-fringe-menu [right]
 853   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 854               :help "Fringe only on the right side"
 855               :visible (display-graphic-p)
 856               :button (:radio . (equal fringe-mode '(0 . nil)))))
 857
 858 (defun menu-bar-showhide-fringe-menu-customize-left ()
 859   "Display fringes only on the left of each window."
 860   (interactive)
 861   (require 'fringe)
 862   (customize-set-variable 'fringe-mode '(nil . 0)))
 863
 864 (define-key menu-bar-showhide-fringe-menu [left]
 865   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 866               :help "Fringe only on the left side"
 867               :visible (display-graphic-p)
 868               :button (:radio . (equal fringe-mode '(nil . 0)))))
 869
 870 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 871   "Do not display window fringes."
 872   (interactive)
 873   (require 'fringe)
 874   (customize-set-variable 'fringe-mode 0))
 875
 876 (define-key menu-bar-showhide-fringe-menu [none]
 877   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 878               :help "Turn off fringe"
 879               :visible (display-graphic-p)
 880               :button (:radio . (eq fringe-mode 0))))
 881
 882 (define-key menu-bar-showhide-menu [showhide-fringe]
 883   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 884         :visible `(display-graphic-p)))
 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
 930 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 931   (list 'menu-item "Tooltips" 'tooltip-mode
 932         :help "Turn tooltips on/off"
 933         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 934         :button `(:toggle . tooltip-mode)))
 935
 936 (define-key menu-bar-showhide-menu [menu-bar-mode]
 937   '(menu-item "Menu-bar" menu-bar-mode
 938               :help "Turn menu-bar on/off"
 939               :button (:toggle . menu-bar-mode)))
 940
 941 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 942   (list 'menu-item "Tool-bar" 'tool-bar-mode
 943         :help "Turn tool-bar on/off"
 944         :visible `(display-graphic-p)
 945         :button `(:toggle . tool-bar-mode)))
 946
 947 (define-key menu-bar-options-menu [showhide]
 948   (list 'menu-item "Show/Hide" menu-bar-showhide-menu))
 949
 950 (define-key menu-bar-options-menu [showhide-separator]
 951   '("--"))
 952
 953 (define-key menu-bar-options-menu [mule]
 954   ;; It is better not to use backquote here,
 955   ;; because that makes a bootstrapping problem
 956   ;; if you need to recompile all the Lisp files using interpreted code.
 957   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 958 ;; Most of the MULE menu actually does make sense in unibyte mode,
 959 ;; e.g. language selection.
 960 ;;;     ':visible 'default-enable-multibyte-characters
 961         ))
 962 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 963 ;(define-key menu-bar-options-menu [preferences]
 964 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 965 ;       :help "Toggle important global options"))
 966
 967 (define-key menu-bar-options-menu [mule-separator]
 968   '("--"))
 969
 970 (define-key menu-bar-options-menu [debug-on-quit]
 971   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 972                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 973                         "Enter Lisp debugger when C-g is pressed"))
 974 (define-key menu-bar-options-menu [debug-on-error]
 975   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 976                         "Enter Debugger on Error" "Debug on Error %s"
 977                         "Enter Lisp debugger when an error is signaled"))
 978 (define-key menu-bar-options-menu [debugger-separator]
 979   '("--"))
 980
 981 (define-key menu-bar-options-menu [blink-cursor-mode]
 982   (menu-bar-make-mm-toggle blink-cursor-mode
 983                            "Blinking Cursor"
 984                            "Whether the cursor blinks (Blink Cursor mode)"))
 985 (define-key menu-bar-options-menu [cursor-separator]
 986   '("--"))
 987
 988 (define-key menu-bar-options-menu [save-place]
 989   (menu-bar-make-toggle toggle-save-place-globally save-place
 990                         "Save Place in Files between Sessions"
 991                         "Saving place in files %s"
 992                         "Visit files of previous session when restarting Emacs"
 993                         (require 'saveplace)
 994                         ;; Do it by name, to avoid a free-variable
 995                         ;; warning during byte compilation.
 996                         (set-default
 997                          'save-place (not (symbol-value 'save-place)))))
 998
 999 (define-key menu-bar-options-menu [uniquify]
1000   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
1001                         "Use Directory Names in Buffer Names"
1002                         "Directory name in buffer names (uniquify) %s"
1003                         "Uniquify buffer names by adding parent directory names"
1004                         (require 'uniquify)
1005                         (setq uniquify-buffer-name-style
1006                               (if (not uniquify-buffer-name-style)
1007                                   'forward))))
1008
1009 (define-key menu-bar-options-menu [edit-options-separator]
1010   '("--"))
1011 (define-key menu-bar-options-menu [cua-mode]
1012   (menu-bar-make-mm-toggle cua-mode
1013                            "C-x/C-c/C-v Cut and Paste (CUA)"
1014                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"
1015                            (:visible (or (not (boundp 'cua-enable-cua-keys))
1016                                          cua-enable-cua-keys))))
1017
1018 (define-key menu-bar-options-menu [cua-emulation-mode]
1019   (menu-bar-make-mm-toggle cua-mode
1020                            "Shift movement mark region (CUA)"
1021                            "Use shifted movement keys to set and extend the region."
1022                            (:visible (and (boundp 'cua-enable-cua-keys)
1023                                           (not cua-enable-cua-keys)))))
1024
1025 (define-key menu-bar-options-menu [case-fold-search]
1026   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1027             "Case-Insensitive Search"
1028             "Case-Insensitive Search %s"
1029             "Globally ignore letter-case in search"))
1030
1031 (defun menu-bar-text-mode-auto-fill ()
1032   (interactive)
1033   (toggle-text-mode-auto-fill)
1034   ;; This is somewhat questionable, as `text-mode-hook'
1035   ;; might have changed outside customize.
1036   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1037   (customize-mark-as-set 'text-mode-hook))
1038
1039 (define-key menu-bar-options-menu [auto-fill-mode]
1040   '(menu-item "Word Wrap in Text Modes"
1041               menu-bar-text-mode-auto-fill
1042               :help "Automatically fill text between left and right margins (Auto Fill)"
1043               :button (:toggle . (if (listp text-mode-hook)
1044                                      (member 'turn-on-auto-fill text-mode-hook)
1045                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1046 (define-key menu-bar-options-menu [truncate-lines]
1047   '(menu-item "Truncate Long Lines in this Buffer"
1048               toggle-truncate-lines
1049               :help "Truncate long lines on the screen"
1050               :button (:toggle . truncate-lines)
1051               :enable (menu-bar-menu-frame-live-and-visible-p)))
1052
1053 (define-key menu-bar-options-menu [highlight-separator]
1054   '("--"))
1055 (define-key menu-bar-options-menu [highlight-paren-mode]
1056   (menu-bar-make-mm-toggle show-paren-mode
1057                            "Paren Match Highlighting"
1058                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1059 (define-key menu-bar-options-menu [transient-mark-mode]
1060   (menu-bar-make-mm-toggle transient-mark-mode
1061                            "Active Region Highlighting"
1062                            "Make text in active region stand out in color (Transient Mark mode)"
1063                            (:enable (not cua-mode))))
1064
1065 \f
1066 ;; The "Tools" menu items
1067
1068 (defun send-mail-item-name ()
1069   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1070                                      (mh-e-user-agent . "MH")
1071                                      (message-user-agent . "Gnus Message")
1072                                      (gnus-user-agent . "Gnus")))
1073          (name (assq mail-user-agent known-send-mail-commands)))
1074     (if name
1075         (setq name (cdr name))
1076       (setq name (symbol-name mail-user-agent))
1077       (if (string-match "\\(.+\\)-user-agent" name)
1078           (setq name (match-string 1 name))))
1079     name))
1080
1081 (defun read-mail-item-name ()
1082   (let* ((known-rmail-commands '((rmail . "RMAIL")
1083                                  (mh-rmail . "MH")
1084                                  (gnus . "Gnus")))
1085          (known (assq read-mail-command known-rmail-commands)))
1086     (if known (cdr known) (symbol-name read-mail-command))))
1087
1088 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1089
1090 (define-key menu-bar-tools-menu [games]
1091   (list 'menu-item "Games" menu-bar-games-menu))
1092
1093 (define-key menu-bar-tools-menu [separator-games]
1094   '("--"))
1095
1096 (define-key menu-bar-games-menu [zone]
1097   '(menu-item "Zone Out"  zone
1098               :help "Play tricks with Emacs display when Emacs is idle"))
1099 (define-key menu-bar-games-menu [tetris]
1100   '(menu-item "Tetris"  tetris))
1101 (define-key menu-bar-games-menu [solitaire]
1102   '(menu-item "Solitaire"  solitaire))
1103 (define-key menu-bar-games-menu [snake]
1104   '(menu-item "Snake"  snake
1105               :help "Move snake around avoiding collisions"))
1106 (define-key menu-bar-games-menu [mult]
1107   '(menu-item "Multiplication Puzzle"  mpuz
1108               :help "Exercise brain with multiplication"))
1109 (define-key menu-bar-games-menu [life]
1110   '(menu-item "Life"  life
1111               :help "Watch how John Conway's cellular automaton evolves"))
1112 (define-key menu-bar-games-menu [hanoi]
1113   '(menu-item "Towers of Hanoi" hanoi
1114               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1115 (define-key menu-bar-games-menu [gomoku]
1116   '(menu-item "Gomoku"  gomoku
1117               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1118 (define-key menu-bar-games-menu [black-box]
1119   '(menu-item "Blackbox"  blackbox
1120               :help "Find balls in a black box by shooting rays"))
1121 (define-key menu-bar-games-menu [adventure]
1122   '(menu-item "Adventure"  dunnet
1123               :help "Dunnet, a text Adventure game for Emacs"))
1124 (define-key menu-bar-games-menu [5x5]
1125   '(menu-item "5x5" 5x5
1126               :help "Fill in all the squares on a 5x5 board"))
1127
1128 (define-key menu-bar-tools-menu [simple-calculator]
1129   '(menu-item "Simple Calculator" calculator
1130               :help "Invoke the Emacs built-in quick calculator"))
1131 (define-key menu-bar-tools-menu [calc]
1132   '(menu-item "Programmable Calculator" calc
1133               :help "Invoke the Emacs built-in full scientific calculator"))
1134 (define-key menu-bar-tools-menu [calendar]
1135   '(menu-item "Calendar" calendar
1136               :help "Invoke the Emacs built-in calendar"))
1137
1138 (define-key menu-bar-tools-menu [separator-net]
1139   '("--"))
1140
1141 (define-key menu-bar-tools-menu [directory-search]
1142   '(menu-item "Directory Search" eudc-tools-menu))
1143 (define-key menu-bar-tools-menu [compose-mail]
1144   (list
1145    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1146    'compose-mail
1147    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1148    :help "Send a mail message"))
1149 (define-key menu-bar-tools-menu [rmail]
1150   (list
1151    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1152    'menu-bar-read-mail
1153    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1154    :help "Read your mail and reply to it"))
1155
1156 (defun menu-bar-read-mail ()
1157   "Read mail using `read-mail-command'."
1158   (interactive)
1159   (call-interactively read-mail-command))
1160
1161 (define-key menu-bar-tools-menu [gnus]
1162   '(menu-item "Read Net News (Gnus)" gnus
1163               :help "Read network news groups"))
1164
1165 (define-key menu-bar-tools-menu [separator-vc]
1166   '("--"))
1167
1168 (define-key menu-bar-tools-menu [pcl-cvs]
1169   '(menu-item "PCL-CVS" cvs-global-menu))
1170 (define-key menu-bar-tools-menu [vc] nil) ;Create the place for the VC menu.
1171
1172 (define-key menu-bar-tools-menu [separator-compare]
1173   '("--"))
1174
1175 (define-key menu-bar-tools-menu [ediff-misc]
1176   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu))
1177 (define-key menu-bar-tools-menu [epatch]
1178   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1179 (define-key menu-bar-tools-menu [ediff-merge]
1180   '(menu-item "Merge" menu-bar-ediff-merge-menu))
1181 (define-key menu-bar-tools-menu [compare]
1182   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu))
1183
1184 (define-key menu-bar-tools-menu [separator-spell]
1185   '("--"))
1186
1187 (define-key menu-bar-tools-menu [spell]
1188   '(menu-item "Spell Checking" ispell-menu-map))
1189
1190 (define-key menu-bar-tools-menu [separator-prog]
1191   '("--"))
1192
1193 (define-key menu-bar-tools-menu [gdb]
1194   '(menu-item "Debugger (GDB)..." gdb
1195               :help "Debug a program from within Emacs with GDB"))
1196 (define-key menu-bar-tools-menu [shell-on-region]
1197   '(menu-item "Shell Command on Region..." shell-command-on-region
1198               :enable mark-active
1199               :help "Pass marked region to a shell command"))
1200 (define-key menu-bar-tools-menu [shell]
1201   '(menu-item "Shell Command..." shell-command
1202               :help "Invoke a shell command and catch its output"))
1203 (define-key menu-bar-tools-menu [compile]
1204   '(menu-item "Compile..." compile
1205               :help "Invoke compiler or Make, view compilation errors"))
1206 (define-key menu-bar-tools-menu [grep]
1207   '(menu-item "Search Files (Grep)..." grep
1208               :help "Search files for strings or regexps (with Grep)"))
1209
1210 \f
1211 ;; The "Help" menu items
1212
1213 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1214
1215 (define-key menu-bar-describe-menu [mule-diag]
1216   '(menu-item "Show All of Mule Status" mule-diag
1217               :visible default-enable-multibyte-characters
1218               :help "Display multilingual environment settings"))
1219 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1220   '(menu-item "Describe Coding System (Briefly)"
1221               describe-current-coding-system-briefly
1222               :visible default-enable-multibyte-characters))
1223 (define-key menu-bar-describe-menu [describe-coding-system]
1224   '(menu-item "Describe Coding System..." describe-coding-system
1225               :visible default-enable-multibyte-characters))
1226 (define-key menu-bar-describe-menu [describe-input-method]
1227   '(menu-item "Describe Input Method..." describe-input-method
1228               :visible default-enable-multibyte-characters
1229               :help "Keyboard layout for specific input method"))
1230 (define-key menu-bar-describe-menu [describe-language-environment]
1231   (list 'menu-item "Describe Language Environment"
1232         describe-language-environment-map))
1233
1234 (define-key menu-bar-describe-menu [separator-desc-mule]
1235   '("--"))
1236
1237 (define-key menu-bar-describe-menu [list-keybindings]
1238   '(menu-item "List Key Bindings" describe-bindings
1239               :help "Display all current keybindings (keyboard shortcuts)"))
1240 (define-key menu-bar-describe-menu [describe-current-display-table]
1241   '(menu-item "Describe Display Table" describe-current-display-table
1242               :help "Describe the current display table"))
1243 (define-key menu-bar-describe-menu [describe-face]
1244   '(menu-item "Describe Face..." describe-face
1245               :help "Display the properties of a face"))
1246 (define-key menu-bar-describe-menu [describe-variable]
1247   '(menu-item "Describe Variable..." describe-variable
1248               :help "Display documentation of variable/option"))
1249 (define-key menu-bar-describe-menu [describe-function]
1250   '(menu-item "Describe Function..." describe-function
1251               :help "Display documentation of function/command"))
1252 (define-key menu-bar-describe-menu [describe-key-1]
1253   '(menu-item "Describe Key or Mouse Operation..." describe-key
1254               ;; Users typically don't identify keys and menu items...
1255               :help "Display documentation of command bound to a \
1256 key, a click, or a menu-item"))
1257 (define-key menu-bar-describe-menu [describe-mode]
1258   '(menu-item "Describe Buffer Modes" describe-mode
1259               :help "Describe this buffer's major and minor mode"))
1260
1261 (defvar menu-bar-search-documentation-menu
1262   (make-sparse-keymap "Search Documentation"))
1263 (defun menu-bar-read-lispref ()
1264   "Display the Emacs Lisp Reference manual in Info mode."
1265   (interactive)
1266   (info "elisp"))
1267
1268 (defun menu-bar-read-lispintro ()
1269   "Display the Introduction to Emacs Lisp Programming in Info mode."
1270   (interactive)
1271   (info "eintr"))
1272
1273 (defun search-emacs-glossary ()
1274   "Display the Glossary node of the Emacs manual in Info mode."
1275   (interactive)
1276   (info "(emacs)Glossary"))
1277
1278 (defun emacs-index-search (topic)
1279   "Look up TOPIC in the indices of the Emacs User Manual."
1280   (interactive "sSubject to look up: ")
1281   (info "emacs")
1282   (Info-index topic))
1283
1284 (defun elisp-index-search (topic)
1285   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1286   (interactive "sSubject to look up: ")
1287   (info "elisp")
1288   (Info-index topic))
1289
1290 (define-key menu-bar-search-documentation-menu [search-documentation-strings]
1291   '(menu-item "Search Documentation Strings..." apropos-documentation
1292               :help
1293               "Find functions and variables whose doc strings match a regexp"))
1294 (define-key menu-bar-search-documentation-menu [find-any-object-by-name]
1295   '(menu-item "Find Any Object by Name..."  apropos
1296               :help "Find symbols of any kind whose names match a regexp"))
1297 (define-key menu-bar-search-documentation-menu [find-option-by-value]
1298   '(menu-item "Find Options by Value..." apropos-value
1299               :help "Find variables whose values match a regexp"))
1300 (define-key menu-bar-search-documentation-menu [find-options-by-name]
1301   '(menu-item "Find Options by Name..." apropos-variable
1302               :help "Find variables whose names match a regexp"))
1303 (define-key menu-bar-search-documentation-menu [find-commands-by-name]
1304   '(menu-item "Find Commands by Name..." apropos-command
1305               :help "Find commands whose names match a regexp"))
1306 (define-key menu-bar-search-documentation-menu [sep1]
1307   '("--"))
1308 (define-key menu-bar-search-documentation-menu [lookup-command-in-manual]
1309   '(menu-item "Look Up Command in User Manual..." Info-goto-emacs-command-node
1310               :help "Display manual section that describes a command"))
1311 (define-key menu-bar-search-documentation-menu [lookup-key-in-manual]
1312   '(menu-item "Look Up Key in User Manual..." Info-goto-emacs-key-command-node
1313               :help "Display manual section that describes a key"))
1314 (define-key menu-bar-search-documentation-menu [lookup-subject-in-elisp-manual]
1315   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1316               :help "Find description of a subject in Emacs Lisp manual"))
1317 (define-key menu-bar-search-documentation-menu [lookup-subject-in-emacs-manual]
1318   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1319               :help "Find description of a subject in Emacs User manual"))
1320 (define-key menu-bar-search-documentation-menu [emacs-terminology]
1321   '(menu-item "Emacs Terminology" search-emacs-glossary
1322               :help "Display the Glossary section of the Emacs manual"))
1323
1324 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1325
1326 (define-key menu-bar-manuals-menu [man]
1327   '(menu-item "Read Man Page..." manual-entry
1328               :help "Man-page docs for external commands and libraries"))
1329 (define-key menu-bar-manuals-menu [sep2]
1330   '("--"))
1331 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1332   '(menu-item "Ordering Manuals" view-order-manuals
1333               :help "How to order manuals from the Free Software Foundation"))
1334 (define-key menu-bar-manuals-menu [lookup-subject-in-all-manuals]
1335   '(menu-item "Lookup Subject in all manuals..." info-apropos
1336               :help "Find description of a subject in all installed manuals"))
1337 (define-key menu-bar-manuals-menu [other-manuals]
1338   '(menu-item "All Other Manuals (Info)" Info-directory
1339               :help "Read any of the installed manuals"))
1340 (define-key menu-bar-manuals-menu [emacs-lisp-reference]
1341   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1342               :help "Read the Emacs Lisp Reference manual"))
1343 (define-key menu-bar-manuals-menu [emac-lisp-intro]
1344   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1345               :help "Read the Introduction to Emacs Lisp Programming"))
1346
1347 (define-key menu-bar-help-menu [about-gnu-project]
1348   '(menu-item "About GNU" describe-gnu-project
1349               :help "About the GNU System, GNU Project, and GNU/Linux"))
1350 (define-key menu-bar-help-menu [about-emacs]
1351   '(menu-item "About Emacs" about-emacs
1352               :help "Display version number, copyright info, and basic help"))
1353 (define-key menu-bar-help-menu [sep4]
1354   '("--"))
1355 (define-key menu-bar-help-menu [describe-no-warranty]
1356   '(menu-item "(Non)Warranty" describe-no-warranty
1357               :help "Explain that Emacs has NO WARRANTY"))
1358 (define-key menu-bar-help-menu [describe-copying]
1359   '(menu-item "Copying Conditions" describe-copying
1360               :help "Show the Emacs license (GPL)"))
1361 (define-key menu-bar-help-menu [getting-new-versions]
1362   '(menu-item "Getting New Versions" describe-distribution
1363               :help "How to get latest versions of Emacs"))
1364 (defun menu-bar-help-extra-packages ()
1365   "Display help about some additional packages available for Emacs."
1366   (interactive)
1367   (let (enable-local-variables)
1368     (view-file (expand-file-name "MORE.STUFF"
1369                                  data-directory))
1370     (goto-address)))
1371 (define-key menu-bar-help-menu [sep2]
1372   '("--"))
1373 (define-key menu-bar-help-menu [external-packages]
1374   '(menu-item "External Packages" menu-bar-help-extra-packages
1375               :help "Lisp packages distributed separately for use in Emacs"))
1376 (define-key menu-bar-help-menu [find-emacs-packages]
1377   '(menu-item "Find Emacs Packages" finder-by-keyword
1378               :help "Find packages and features by keyword"))
1379 (define-key menu-bar-help-menu [more-manuals]
1380   (list 'menu-item "More Manuals" menu-bar-manuals-menu))
1381 (define-key menu-bar-help-menu [emacs-manual]
1382   '(menu-item "Read the Emacs Manual" info-emacs-manual
1383               :help "Full documentation of Emacs features"))
1384 (define-key menu-bar-help-menu [describe]
1385   (list 'menu-item "Describe" menu-bar-describe-menu))
1386 (define-key menu-bar-help-menu [search-documentation]
1387   (list 'menu-item "Search Documentation" menu-bar-search-documentation-menu))
1388 (define-key menu-bar-help-menu [sep1]
1389   '("--"))
1390 (define-key menu-bar-help-menu [emacs-psychotherapist]
1391   '(menu-item "Emacs Psychotherapist" doctor
1392               :help "Our doctor will help you feel better"))
1393 (define-key menu-bar-help-menu [send-emacs-bug-report]
1394   '(menu-item "Send Bug Report..." report-emacs-bug
1395               :help "Send e-mail to Emacs maintainers"))
1396 (define-key menu-bar-help-menu [emacs-known-problems]
1397   '(menu-item "Emacs Known Problems" view-emacs-problems
1398               :help "Read about known problems with Emacs"))
1399 (define-key menu-bar-help-menu [emacs-news]
1400   '(menu-item "Emacs News" view-emacs-news
1401               :help "New features of this version"))
1402 (define-key menu-bar-help-menu [emacs-faq]
1403   '(menu-item "Emacs FAQ" view-emacs-FAQ
1404               :help "Frequently asked (and answered) questions about Emacs"))
1405
1406 (defun help-with-tutorial-spec-language ()
1407   "Use the Emacs tutorial, specifying which language you want."
1408   (interactive)
1409   (help-with-tutorial t))
1410
1411 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1412   '(menu-item "Emacs Tutorial (choose language)..."
1413               help-with-tutorial-spec-language
1414               :help "Learn how to use Emacs (choose a language)"))
1415 (define-key menu-bar-help-menu [emacs-tutorial]
1416   '(menu-item "Emacs Tutorial" help-with-tutorial
1417               :help "Learn how to use Emacs"))
1418
1419 (defun menu-bar-menu-frame-live-and-visible-p ()
1420   "Return non-nil if the menu frame is alive and visible.
1421 The menu frame is the frame for which we are updating the menu."
1422   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1423     (and (frame-live-p menu-frame)
1424          (frame-visible-p menu-frame))))
1425
1426 (defun menu-bar-non-minibuffer-window-p ()
1427   "Return non-nil if selected window of the menu frame is not a minibuf window.
1428
1429 See the documentation of `menu-bar-menu-frame-live-and-visible-p'
1430 for the definition of the menu frame."
1431   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1432     (not (window-minibuffer-p (frame-selected-window menu-frame)))))
1433
1434 (defun kill-this-buffer ()      ; for the menu bar
1435   "Kill the current buffer."
1436   (interactive)
1437   (kill-buffer (current-buffer)))
1438
1439 (defun kill-this-buffer-enabled-p ()
1440   (let ((count 0)
1441         (buffers (buffer-list)))
1442     (while buffers
1443       (or (string-match "^ " (buffer-name (car buffers)))
1444           (setq count (1+ count)))
1445       (setq buffers (cdr buffers)))
1446     (and (menu-bar-non-minibuffer-window-p)
1447          (> count 1))))
1448
1449 (put 'dired 'menu-enable '(menu-bar-non-minibuffer-window-p))
1450
1451 ;; Permit deleting frame if it would leave a visible or iconified frame.
1452 (defun delete-frame-enabled-p ()
1453   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1454   (let ((frames (frame-list))
1455         (count 0))
1456     (while frames
1457       (if (frame-visible-p (car frames))
1458           (setq count (1+ count)))
1459       (setq frames (cdr frames)))
1460     (> count 1)))
1461
1462 (defcustom yank-menu-length 20
1463   "*Maximum length to display in the yank-menu."
1464   :type 'integer
1465   :group 'mouse)
1466
1467 (defun menu-bar-update-yank-menu (string old)
1468   (let ((front (car (cdr yank-menu)))
1469         (menu-string (if (<= (length string) yank-menu-length)
1470                          string
1471                        (concat
1472                         (substring string 0 (/ yank-menu-length 2))
1473                         "..."
1474                         (substring string (- (/ yank-menu-length 2)))))))
1475     ;; Don't let the menu string be all dashes
1476     ;; because that has a special meaning in a menu.
1477     (if (string-match "\\`-+\\'" menu-string)
1478         (setq menu-string (concat menu-string " ")))
1479     ;; If we're supposed to be extending an existing string, and that
1480     ;; string really is at the front of the menu, then update it in place.
1481     (if (and old (or (eq old (car front))
1482                      (string= old (car front))))
1483         (progn
1484           (setcar front string)
1485           (setcar (cdr front) menu-string))
1486       (setcdr yank-menu
1487               (cons
1488                (cons string (cons menu-string 'menu-bar-select-yank))
1489                (cdr yank-menu)))))
1490   (if (> (length (cdr yank-menu)) kill-ring-max)
1491       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1492
1493 (put 'menu-bar-select-yank 'apropos-inhibit t)
1494 (defun menu-bar-select-yank ()
1495   "Insert the stretch of previously-killed text selected from menu.
1496 The menu shows all the killed text sequences stored in `kill-ring'."
1497   (interactive "*")
1498   (push-mark (point))
1499   (insert last-command-event))
1500
1501 \f
1502 (defcustom buffers-menu-show-directories 'unless-uniquify
1503   "If non-nil, show directories in the Buffers menu for buffers that have them.
1504 The special value `unless-uniquify' means that directories will be shown
1505 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1506 names should include enough of a buffer's directory to distinguish it
1507 from other buffers).
1508
1509 Setting this variable directly does not take effect until next time the
1510 Buffers menu is regenerated."
1511   :set (lambda (symbol value)
1512          (set symbol value)
1513          (menu-bar-update-buffers t))
1514   :initialize 'custom-initialize-default
1515   :type '(choice (const :tag "Never" nil)
1516                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1517                  (const :tag "Always" t))
1518   :group 'menu)
1519
1520 (defcustom buffers-menu-show-status t
1521   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1522 Setting this variable directly does not take effect until next time the
1523 Buffers menu is regenerated."
1524   :set (lambda (symbol value)
1525          (set symbol value)
1526          (menu-bar-update-buffers t))
1527   :initialize 'custom-initialize-default
1528   :type 'boolean
1529   :group 'menu)
1530
1531 (defvar list-buffers-directory nil)
1532
1533 (defvar menu-bar-update-buffers-maxbuf)
1534
1535 (defun menu-bar-select-buffer ()
1536   (interactive)
1537   (switch-to-buffer last-command-event))
1538
1539 (defun menu-bar-select-frame ()
1540   (interactive)
1541   (let (frame)
1542     (dolist (f (frame-list))
1543       (when (equal last-command-event (frame-parameter f 'name))
1544         (setq frame f)))
1545     ;; FRAME can be nil when user specifies the selected frame.
1546     (setq frame (or frame (selected-frame)))
1547     (make-frame-visible frame)
1548     (raise-frame frame)
1549     (select-frame frame)))
1550
1551 (defun menu-bar-update-buffers-1 (elt)
1552   (let* ((buf (car elt))
1553          (file
1554           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1555                    (or (not (boundp 'uniquify-buffer-name-style))
1556                        (null uniquify-buffer-name-style))
1557                  buffers-menu-show-directories)
1558                (or (buffer-file-name buf)
1559                    (buffer-local-value 'list-buffers-directory buf)))))
1560     (when file
1561       (setq file (file-name-directory file)))
1562     (when (and file (> (length file) 20))
1563       (setq file (concat "..." (substring file -17))))
1564     (cons (if buffers-menu-show-status
1565               (let ((mod (if (buffer-modified-p buf) "*" ""))
1566                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1567                 (if file
1568                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1569                   (format "%s  %s%s" (cdr elt) mod ro)))
1570             (if file
1571                 (format "%s  --  %s"  (cdr elt) file)
1572               (cdr elt)))
1573           buf)))
1574
1575 ;; Used to cache the menu entries for commands in the Buffers menu
1576 (defvar menu-bar-buffers-menu-command-entries nil)
1577
1578 (defun menu-bar-update-buffers (&optional force)
1579   ;; If user discards the Buffers item, play along.
1580   (and (lookup-key (current-global-map) [menu-bar buffer])
1581        (or force (frame-or-buffer-changed-p))
1582        (let ((buffers (buffer-list))
1583              (frames (frame-list))
1584              buffers-menu)
1585          ;; If requested, list only the N most recently selected buffers.
1586          (if (and (integerp buffers-menu-max-size)
1587                   (> buffers-menu-max-size 1))
1588              (if (> (length buffers) buffers-menu-max-size)
1589                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1590
1591          ;; Make the menu of buffers proper.
1592          (setq buffers-menu
1593                (let* ((buffer-list
1594                        (mapcar 'list buffers))
1595                       (menu-bar-update-buffers-maxbuf 0)
1596                       alist)
1597                  ;; Put into each element of buffer-list
1598                  ;; the name for actual display,
1599                  ;; perhaps truncated in the middle.
1600                  (dolist (buf buffer-list)
1601                    (let ((name (buffer-name (car buf))))
1602                      (setcdr buf
1603                              (if (> (length name) 27)
1604                                  (concat (substring name 0 12)
1605                                          "..."
1606                                          (substring name -12))
1607                                name))))
1608                  ;; Compute the maximum length of any name.
1609                  (dolist (buf buffer-list)
1610                    (unless (eq ?\s (aref (cdr buf) 0))
1611                      (setq menu-bar-update-buffers-maxbuf
1612                            (max menu-bar-update-buffers-maxbuf
1613                                 (length (cdr buf))))))
1614                  ;; Set ALIST to an alist of the form
1615                  ;; ITEM-STRING . BUFFER
1616                  (dolist (buf buffer-list)
1617                    (unless (eq ?\s (aref (cdr buf) 0))
1618                      (push (menu-bar-update-buffers-1 buf) alist)))
1619                  ;; Now make the actual list of items, and add
1620                  ;; some miscellaneous buffer commands to the end.
1621                  (mapcar (lambda (pair)
1622                            ;; This is somewhat risque, to use
1623                            ;; the buffer name itself as the event
1624                            ;; type to define, but it works.
1625                            ;; It would not work to use the buffer
1626                            ;; since a buffer as an event has its
1627                            ;; own meaning.
1628                            (nconc (list (buffer-name (cdr pair))
1629                                         (car pair)
1630                                         (cons nil nil))
1631                                   'menu-bar-select-buffer))
1632                          (nreverse alist))))
1633
1634          ;; Make a Frames menu if we have more than one frame.
1635          (when (cdr frames)
1636            (let ((frames-menu
1637                   (cons 'keymap
1638                         (cons "Select Frame"
1639                               (mapcar
1640                                (lambda (frame)
1641                                  (nconc
1642                                   (list (frame-parameter frame 'name)
1643                                         (frame-parameter frame 'name)
1644                                         (cons nil nil))
1645                                   'menu-bar-select-frame))
1646                                frames)))))
1647              ;; Put it after the normal buffers
1648              (setq buffers-menu
1649                    (nconc buffers-menu
1650                           `((frames-separator "--")
1651                             (frames menu-item "Frames" ,frames-menu))))))
1652
1653          ;; Add in some normal commands at the end of the menu.  We use
1654          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1655          ;; if it's been set already.  Note that we can't use constant
1656          ;; lists for the menu-entries, because the low-level menu-code
1657          ;; modifies them.
1658          (unless menu-bar-buffers-menu-command-entries
1659            (setq menu-bar-buffers-menu-command-entries
1660                  (list '(command-separator "--")
1661                        (list 'next-buffer
1662                              'menu-item
1663                              "Next Buffer"
1664                              'next-buffer
1665                              :help "Switch to the \"next\" buffer in a cyclic order")
1666                        (list 'previous-buffer
1667                              'menu-item
1668                              "Previous Buffer"
1669                              'previous-buffer
1670                              :help "Switch to the \"previous\" buffer in a cyclic order")
1671                        (list 'select-named-buffer
1672                              'menu-item
1673                              "Select Named Buffer..."
1674                              'switch-to-buffer
1675                              :help "Prompt for a buffer name, and select that buffer in the current window")
1676                        (list 'list-all-buffers
1677                              'menu-item
1678                              "List All Buffers"
1679                              'list-buffers
1680                              :help "Pop up a window listing all Emacs buffers"
1681                              ))))
1682          (setq buffers-menu
1683                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1684
1685          ;; We used to "(define-key (current-global-map) [menu-bar buffer]"
1686          ;; but that did not do the right thing when the [menu-bar buffer]
1687          ;; entry above had been moved (e.g. to a parent keymap).
1688          (setcdr global-buffers-menu-map (cons "Select Buffer" buffers-menu)))))
1689
1690 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1691
1692 (menu-bar-update-buffers)
1693
1694 ;; this version is too slow
1695 ;;(defun format-buffers-menu-line (buffer)
1696 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1697 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1698 ;;  (if (string-match "\\` " (buffer-name buffer))
1699 ;;      nil
1700 ;;    (save-excursion
1701 ;;     (set-buffer buffer)
1702 ;;     (let ((size (buffer-size)))
1703 ;;       (format "%s%s %-19s %6s %-15s %s"
1704 ;;             (if (buffer-modified-p) "*" " ")
1705 ;;             (if buffer-read-only "%" " ")
1706 ;;             (buffer-name)
1707 ;;             size
1708 ;;             mode-name
1709 ;;             (or (buffer-file-name) ""))))))
1710 \f
1711 ;;; Set up a menu bar menu for the minibuffer.
1712
1713 (dolist (map (list minibuffer-local-map
1714                    ;; This shouldn't be necessary, but there's a funny
1715                    ;; bug in keymap.c that I don't understand yet.  -stef
1716                    minibuffer-local-completion-map))
1717   (define-key map [menu-bar minibuf]
1718     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1719
1720 (let ((map minibuffer-local-completion-map))
1721   (define-key map [menu-bar minibuf ?\?]
1722     (list 'menu-item "List Completions" 'minibuffer-completion-help
1723           :help "Display all possible completions"))
1724   (define-key map [menu-bar minibuf space]
1725     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1726           :help "Complete at most one word"))
1727   (define-key map [menu-bar minibuf tab]
1728     (list 'menu-item "Complete" 'minibuffer-complete
1729           :help "Complete as far as possible")))
1730
1731 (let ((map minibuffer-local-map))
1732   (define-key map [menu-bar minibuf quit]
1733     (list 'menu-item "Quit" 'keyboard-escape-quit
1734           :help "Abort input and exit minibuffer"))
1735   (define-key map [menu-bar minibuf return]
1736     (list 'menu-item "Enter" 'exit-minibuffer
1737           :help "Terminate input and exit minibuffer")))
1738 \f
1739 ;;;###autoload
1740 ;; This comment is taken from tool-bar.el near
1741 ;; (put 'tool-bar-mode ...)
1742 ;; We want to pretend the menu bar by standard is on, as this will make
1743 ;; customize consider disabling the menu bar a customization, and save
1744 ;; that.  We could do this for real by setting :init-value below, but
1745 ;; that would overwrite disabling the tool bar from X resources.
1746 (put 'menu-bar-mode 'standard-value '(t))
1747
1748 ;;;###autoload
1749 (define-minor-mode menu-bar-mode
1750   "Toggle display of a menu bar on each frame.
1751 This command applies to all frames that exist and frames to be
1752 created in the future.
1753 With a numeric argument, if the argument is positive,
1754 turn on menu bars; otherwise, turn off menu bars."
1755   :init-value nil
1756   :global t
1757   :group 'frames
1758   ;; Make menu-bar-mode and default-frame-alist consistent.
1759   (let ((lines (if menu-bar-mode 1 0)))
1760     ;; Alter existing frames...
1761     (mapc (lambda (frame)
1762             (modify-frame-parameters frame
1763                                      (list (cons 'menu-bar-lines lines))))
1764           (frame-list))
1765     ;; ...and future ones.
1766     (let ((elt (assq 'menu-bar-lines default-frame-alist)))
1767       (if elt
1768           (setcdr elt lines)
1769         (add-to-list 'default-frame-alist (cons 'menu-bar-lines lines)))))
1770
1771   ;; Make the message appear when Emacs is idle.  We can not call message
1772   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1773   ;; after this function returns, overwriting any message we do here.
1774   (when (and (interactive-p) (not menu-bar-mode))
1775     (run-with-idle-timer 0 nil 'message
1776                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1777   menu-bar-mode)
1778
1779 (provide 'menu-bar)
1780
1781 ;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1782 ;;; menu-bar.el ends here