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