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 ;; Don't clobber an existing menu-bar keymap, to preserve any menu-bar key
  34 ;; definitions made in loaddefs.el.
  35 (or (lookup-key global-map [menu-bar])
  36     (define-key global-map [menu-bar] (make-sparse-keymap "menu-bar")))
  37 (defvar menu-bar-help-menu (make-sparse-keymap "Help"))
  38
  39 ;; Force Help item to come last, after the major mode's own items.
  40 ;; The symbol used to be called `help', but that gets confused with the
  41 ;; help key.
  42 (setq menu-bar-final-items '(help-menu))
  43
  44 (define-key global-map [menu-bar help-menu] (cons "Help" menu-bar-help-menu))
  45 (defvar menu-bar-tools-menu (make-sparse-keymap "Tools"))
  46 (define-key global-map [menu-bar tools] (cons "Tools" menu-bar-tools-menu))
  47 ;; This definition is just to show what this looks like.
  48 ;; It gets modified in place when menu-bar-update-buffers is called.
  49 (defvar global-buffers-menu-map (make-sparse-keymap "Buffers"))
  50 (define-key global-map [menu-bar buffer]
  51   (cons "Buffers" global-buffers-menu-map))
  52 (defvar menu-bar-options-menu (make-sparse-keymap "Options"))
  53 (define-key global-map [menu-bar options]
  54   (cons "Options" menu-bar-options-menu))
  55 (defvar menu-bar-edit-menu (make-sparse-keymap "Edit"))
  56 (define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu))
  57 (defvar menu-bar-file-menu (make-sparse-keymap "File"))
  58 (define-key global-map [menu-bar file] (cons "File" menu-bar-file-menu))
  59
  60 ;; This alias is for compatibility with 19.28 and before.
  61 (defvar menu-bar-files-menu menu-bar-file-menu)
  62
  63 ;; This is referenced by some code below; it is defined in uniquify.el
  64 (defvar uniquify-buffer-name-style)
  65
  66 \f
  67 ;; The "File" menu items
  68 (define-key menu-bar-file-menu [exit-emacs]
  69   '(menu-item "Exit Emacs" save-buffers-kill-emacs
  70               :help "Save unsaved buffers, then exit"))
  71
  72 (define-key menu-bar-file-menu [separator-exit]
  73   '("--"))
  74
  75 ;; Don't use delete-frame as event name because that is a special
  76 ;; event.
  77 (define-key menu-bar-file-menu [delete-this-frame]
  78   '(menu-item "Delete Frame" delete-frame
  79               :visible (fboundp 'delete-frame)
  80               :enable (delete-frame-enabled-p)
  81               :help "Delete currently selected frame"))
  82 (define-key menu-bar-file-menu [make-frame-on-display]
  83   '(menu-item "New Frame on Display..." make-frame-on-display
  84               :visible (fboundp 'make-frame-on-display)
  85               :help "Open a new frame on another display"))
  86 (define-key menu-bar-file-menu [make-frame]
  87   '(menu-item "New Frame" make-frame-command
  88               :visible (fboundp 'make-frame-command)
  89               :help "Open a new frame"))
  90
  91 (define-key menu-bar-file-menu [one-window]
  92   '(menu-item "Remove Splits" delete-other-windows
  93               :enable (not (one-window-p t nil))
  94               :help "Selected window grows to fill the whole frame"))
  95
  96 (define-key menu-bar-file-menu [split-window]
  97   '(menu-item "Split Window" split-window-vertically
  98               :enable (and (menu-bar-menu-frame-live-and-visible-p)
  99                            (menu-bar-non-minibuffer-window-p))
 100               :help "Split selected window in two windows"))
 101
 102 (define-key menu-bar-file-menu [separator-window]
 103   '(menu-item "--"))
 104
 105 (define-key menu-bar-file-menu [ps-print-region]
 106   '(menu-item "Postscript Print Region (B+W)" ps-print-region
 107               :enable mark-active
 108               :help "Pretty-print marked region in black and white to PostScript printer"))
 109 (define-key menu-bar-file-menu [ps-print-buffer]
 110   '(menu-item "Postscript Print Buffer (B+W)" ps-print-buffer
 111               :enable (menu-bar-menu-frame-live-and-visible-p)
 112               :help "Pretty-print current buffer in black and white to PostScript printer"))
 113 (define-key menu-bar-file-menu [ps-print-region-faces]
 114   '(menu-item "Postscript Print Region" ps-print-region-with-faces
 115               :enable mark-active
 116               :help "Pretty-print marked region to PostScript printer"))
 117 (define-key menu-bar-file-menu [ps-print-buffer-faces]
 118   '(menu-item "Postscript Print Buffer" ps-print-buffer-with-faces
 119               :enable (menu-bar-menu-frame-live-and-visible-p)
 120               :help "Pretty-print current buffer to PostScript printer"))
 121 (define-key menu-bar-file-menu [print-region]
 122   '(menu-item "Print Region" print-region
 123               :enable mark-active
 124               :help "Print region between mark and current position"))
 125 (define-key menu-bar-file-menu [print-buffer]
 126   '(menu-item "Print Buffer" print-buffer
 127               :enable (menu-bar-menu-frame-live-and-visible-p)
 128               :help "Print current buffer with page headings"))
 129
 130 (define-key menu-bar-file-menu [separator-print]
 131   '(menu-item "--"))
 132
 133 (define-key menu-bar-file-menu [recover-session]
 134   '(menu-item "Recover Crashed Session" recover-session
 135               :enable (and auto-save-list-file-prefix
 136                            (file-directory-p
 137                             (file-name-directory auto-save-list-file-prefix))
 138                            (directory-files
 139                             (file-name-directory auto-save-list-file-prefix)
 140                             nil
 141                             (concat "\\`"
 142                                     (regexp-quote
 143                                      (file-name-nondirectory
 144                                       auto-save-list-file-prefix)))
 145                             t))
 146               :help "Recover edits from a crashed session"))
 147 (define-key menu-bar-file-menu [revert-buffer]
 148   '(menu-item "Revert Buffer" revert-buffer
 149               :enable (or revert-buffer-function
 150                           revert-buffer-insert-file-contents-function
 151                           (and buffer-file-number
 152                                (or (buffer-modified-p)
 153                                    (not (verify-visited-file-modtime
 154                                          (current-buffer))))))
 155               :help "Re-read current buffer from its file"))
 156 (define-key menu-bar-file-menu [write-file]
 157   '(menu-item "Save As..." write-file
 158               :enable (and (menu-bar-menu-frame-live-and-visible-p)
 159                            (menu-bar-non-minibuffer-window-p))
 160               :help "Write current buffer to another file"))
 161 (define-key menu-bar-file-menu [save-buffer]
 162   '(menu-item "Save" save-buffer
 163               :enable (and (buffer-modified-p)
 164                            (buffer-file-name)
 165                            (menu-bar-non-minibuffer-window-p))
 166               :help "Save current buffer to its file"))
 167
 168 (define-key menu-bar-file-menu [separator-save]
 169   '(menu-item "--"))
 170
 171 (defun menu-find-file-existing ()
 172   "Edit the existing file FILENAME."
 173   (interactive)
 174   (let* ((mustmatch (not (and (fboundp 'x-uses-old-gtk-dialog)
 175                               (x-uses-old-gtk-dialog))))
 176          (filename (car (find-file-read-args "Find file: " mustmatch))))
 177     (if mustmatch
 178         (find-file-existing filename)
 179       (find-file filename))))
 180
 181
 182 (define-key menu-bar-file-menu [kill-buffer]
 183   '(menu-item "Close" kill-this-buffer
 184               :enable (kill-this-buffer-enabled-p)
 185               :help "Discard (kill) current buffer"))
 186 (define-key menu-bar-file-menu [insert-file]
 187   '(menu-item "Insert File..." insert-file
 188               :enable (menu-bar-non-minibuffer-window-p)
 189               :help "Insert another file into current buffer"))
 190 (define-key menu-bar-file-menu [dired]
 191   '(menu-item "Open Directory..." dired
 192               :enable (menu-bar-non-minibuffer-window-p)
 193               :help "Read a directory, to operate on its files"))
 194 (define-key menu-bar-file-menu [open-file]
 195   '(menu-item "Open File..." menu-find-file-existing
 196               :enable (menu-bar-non-minibuffer-window-p)
 197               :help "Read an existing file into an Emacs buffer"))
 198 (define-key menu-bar-file-menu [new-file]
 199   '(menu-item "Visit New File..." find-file
 200               :enable (menu-bar-non-minibuffer-window-p)
 201               :help "Specify a new file's name, to edit the file"))
 202
 203 \f
 204 ;; The "Edit" menu items
 205
 206 ;; The "Edit->Search" submenu
 207 (defvar menu-bar-last-search-type nil
 208   "Type of last non-incremental search command called from the menu.")
 209
 210 (defun nonincremental-repeat-search-forward ()
 211   "Search forward for the previous search string or regexp."
 212   (interactive)
 213   (cond
 214    ((and (eq menu-bar-last-search-type 'string)
 215          search-ring)
 216     (search-forward (car search-ring)))
 217    ((and (eq menu-bar-last-search-type 'regexp)
 218          regexp-search-ring)
 219     (re-search-forward (car regexp-search-ring)))
 220    (t
 221     (error "No previous search"))))
 222
 223 (defun nonincremental-repeat-search-backward ()
 224   "Search backward for the previous search string or regexp."
 225   (interactive)
 226   (cond
 227    ((and (eq menu-bar-last-search-type 'string)
 228          search-ring)
 229     (search-backward (car search-ring)))
 230    ((and (eq menu-bar-last-search-type 'regexp)
 231          regexp-search-ring)
 232     (re-search-backward (car regexp-search-ring)))
 233    (t
 234     (error "No previous search"))))
 235
 236 (defun nonincremental-search-forward (string)
 237   "Read a string and search for it nonincrementally."
 238   (interactive "sSearch for string: ")
 239   (setq menu-bar-last-search-type 'string)
 240   (if (equal string "")
 241       (search-forward (car search-ring))
 242     (isearch-update-ring string nil)
 243     (search-forward string)))
 244
 245 (defun nonincremental-search-backward (string)
 246   "Read a string and search backward for it nonincrementally."
 247   (interactive "sSearch for string: ")
 248   (setq menu-bar-last-search-type 'string)
 249   (if (equal string "")
 250       (search-backward (car search-ring))
 251     (isearch-update-ring string nil)
 252     (search-backward string)))
 253
 254 (defun nonincremental-re-search-forward (string)
 255   "Read a regular expression and search for it nonincrementally."
 256   (interactive "sSearch for regexp: ")
 257   (setq menu-bar-last-search-type 'regexp)
 258   (if (equal string "")
 259       (re-search-forward (car regexp-search-ring))
 260     (isearch-update-ring string t)
 261     (re-search-forward string)))
 262
 263 (defun nonincremental-re-search-backward (string)
 264   "Read a regular expression and search backward for it nonincrementally."
 265   (interactive "sSearch for regexp: ")
 266   (setq menu-bar-last-search-type 'regexp)
 267   (if (equal string "")
 268       (re-search-backward (car regexp-search-ring))
 269     (isearch-update-ring string t)
 270     (re-search-backward string)))
 271
 272 (defvar menu-bar-search-menu (make-sparse-keymap "Search"))
 273
 274 ;; The Edit->Search->Incremental Search menu
 275 (defvar menu-bar-i-search-menu
 276   (make-sparse-keymap "Incremental Search"))
 277
 278 (define-key menu-bar-i-search-menu [isearch-backward-regexp]
 279   '(menu-item "Backward Regexp..." isearch-backward-regexp
 280               :help "Search backwards for a regular expression as you type it"))
 281 (define-key menu-bar-i-search-menu [isearch-forward-regexp]
 282   '(menu-item "Forward Regexp..." isearch-forward-regexp
 283               :help "Search forward for a regular expression as you type it"))
 284 (define-key menu-bar-i-search-menu [isearch-backward]
 285   '(menu-item "Backward String..." isearch-backward
 286               :help "Search backwards for a string as you type it"))
 287 (define-key menu-bar-i-search-menu [isearch-forward]
 288   '(menu-item "Forward String..." isearch-forward
 289               :help "Search forward for a string as you type it"))
 290
 291
 292 (define-key menu-bar-search-menu [i-search]
 293   (list 'menu-item "Incremental Search" menu-bar-i-search-menu))
 294 (define-key menu-bar-search-menu [separator-tag-isearch]
 295   '(menu-item "--"))
 296
 297 (define-key menu-bar-search-menu [tags-continue]
 298   '(menu-item "Continue Tags Search" tags-loop-continue
 299               :help "Continue last tags search operation"))
 300 (define-key menu-bar-search-menu [tags-srch]
 301   '(menu-item "Search Tagged Files..." tags-search
 302               :help "Search for a regexp in all tagged files"))
 303 (define-key menu-bar-search-menu [separator-tag-search]
 304   '(menu-item "--"))
 305
 306 (define-key menu-bar-search-menu [repeat-search-back]
 307   '(menu-item "Repeat Backwards" nonincremental-repeat-search-backward
 308               :enable (or (and (eq menu-bar-last-search-type 'string)
 309                                search-ring)
 310                           (and (eq menu-bar-last-search-type 'regexp)
 311                                regexp-search-ring))
 312               :help "Repeat last search backwards"))
 313 (define-key menu-bar-search-menu [repeat-search-fwd]
 314   '(menu-item "Repeat Forward" nonincremental-repeat-search-forward
 315               :enable (or (and (eq menu-bar-last-search-type 'string)
 316                                search-ring)
 317                           (and (eq menu-bar-last-search-type 'regexp)
 318                                regexp-search-ring))
 319               :help "Repeat last search forward"))
 320 (define-key menu-bar-search-menu [separator-repeat-search]
 321   '(menu-item "--"))
 322
 323 (define-key menu-bar-search-menu [re-search-backward]
 324   '(menu-item "Regexp Backwards..." nonincremental-re-search-backward
 325               :help "Search backwards for a regular expression"))
 326 (define-key menu-bar-search-menu [re-search-forward]
 327   '(menu-item "Regexp Forward..." nonincremental-re-search-forward
 328               :help "Search forward for a regular expression"))
 329
 330 (define-key menu-bar-search-menu [search-backward]
 331   '(menu-item "String Backwards..." nonincremental-search-backward
 332               :help "Search backwards for a string"))
 333 (define-key menu-bar-search-menu [search-forward]
 334   '(menu-item "String Forward..." nonincremental-search-forward
 335               :help "Search forward for a string"))
 336
 337 ;; The Edit->Replace submenu
 338
 339 (defvar menu-bar-replace-menu (make-sparse-keymap "Replace"))
 340
 341 (define-key menu-bar-replace-menu [tags-repl-continue]
 342   '(menu-item "Continue Replace" tags-loop-continue
 343               :help "Continue last tags replace operation"))
 344 (define-key menu-bar-replace-menu [tags-repl]
 345   '(menu-item "Replace in Tagged Files..." tags-query-replace
 346               :help "Interactively replace a regexp in all tagged files"))
 347 (define-key menu-bar-replace-menu [separator-replace-tags]
 348   '(menu-item "--"))
 349
 350 (define-key menu-bar-replace-menu [query-replace-regexp]
 351   '(menu-item "Replace Regexp..." query-replace-regexp
 352               :enable (not buffer-read-only)
 353               :help "Replace regular expression interactively, ask about each occurrence"))
 354 (define-key menu-bar-replace-menu [query-replace]
 355   '(menu-item "Replace String..." query-replace
 356               :enable (not buffer-read-only)
 357               :help "Replace string interactively, ask about each occurrence"))
 358
 359 ;;; Assemble the top-level Edit menu items.
 360 (define-key menu-bar-edit-menu [props]
 361   '(menu-item "Text Properties" facemenu-menu))
 362
 363 (define-key menu-bar-edit-menu [fill]
 364   '(menu-item "Fill" fill-region
 365               :enable (and mark-active (not buffer-read-only))
 366               :help
 367               "Fill text in region to fit between left and right margin"))
 368
 369 (define-key menu-bar-edit-menu [separator-bookmark]
 370   '(menu-item "--"))
 371
 372 (define-key menu-bar-edit-menu [bookmark]
 373   '(menu-item "Bookmarks" menu-bar-bookmark-map))
 374
 375 (defvar menu-bar-goto-menu (make-sparse-keymap "Go To"))
 376
 377 (define-key menu-bar-goto-menu [set-tags-name]
 378   '(menu-item "Set Tags File Name..." visit-tags-table
 379               :help "Tell Tags commands which tag table file to use"))
 380
 381 (define-key menu-bar-goto-menu [separator-tag-file]
 382   '(menu-item "--"))
 383
 384 (define-key menu-bar-goto-menu [apropos-tags]
 385   '(menu-item "Tags Apropos..." tags-apropos
 386               :help "Find function/variables whose names match regexp"))
 387 (define-key menu-bar-goto-menu [next-tag-otherw]
 388   '(menu-item "Next Tag in Other Window"
 389               menu-bar-next-tag-other-window
 390               :enable (and (boundp 'tags-location-ring)
 391                            (not (ring-empty-p tags-location-ring)))
 392               :help "Find next function/variable matching last tag name in another window"))
 393
 394 (defun menu-bar-next-tag-other-window ()
 395   "Find the next definition of the tag already specified."
 396   (interactive)
 397   (find-tag-other-window nil t))
 398
 399 (defun menu-bar-next-tag ()
 400   "Find the next definition of the tag already specified."
 401   (interactive)
 402   (find-tag nil t))
 403
 404 (define-key menu-bar-goto-menu [next-tag]
 405   '(menu-item "Find Next Tag"
 406               menu-bar-next-tag
 407               :enable (and (boundp 'tags-location-ring)
 408                            (not (ring-empty-p tags-location-ring)))
 409               :help "Find next function/variable matching last tag name"))
 410 (define-key menu-bar-goto-menu [find-tag-otherw]
 411   '(menu-item "Find Tag in Other Window..." find-tag-other-window
 412               :help "Find function/variable definition in another window"))
 413 (define-key menu-bar-goto-menu [find-tag]
 414   '(menu-item "Find Tag..." find-tag
 415               :help "Find definition of function or variable"))
 416
 417 (define-key menu-bar-goto-menu [separator-tags]
 418   '(menu-item "--"))
 419
 420 (define-key menu-bar-goto-menu [end-of-buf]
 421   '(menu-item "Goto End of Buffer" end-of-buffer))
 422 (define-key menu-bar-goto-menu [beg-of-buf]
 423   '(menu-item "Goto Beginning of Buffer" beginning-of-buffer))
 424 (define-key menu-bar-goto-menu [go-to-pos]
 425   '(menu-item "Goto Buffer Position..." goto-char
 426               :help "Read a number N and go to buffer position N"))
 427 (define-key menu-bar-goto-menu [go-to-line]
 428   '(menu-item "Goto Line..." goto-line
 429               :help "Read a line number and go to that line"))
 430
 431 (define-key menu-bar-edit-menu [goto]
 432   (list 'menu-item "Go To" menu-bar-goto-menu))
 433
 434 (define-key menu-bar-edit-menu [replace]
 435   (list 'menu-item "Replace" menu-bar-replace-menu))
 436
 437 (define-key menu-bar-edit-menu [search]
 438   (list 'menu-item "Search" menu-bar-search-menu))
 439
 440 (define-key menu-bar-edit-menu [separator-search]
 441   '(menu-item "--"))
 442
 443 (define-key menu-bar-edit-menu [mark-whole-buffer]
 444   '(menu-item "Select All" mark-whole-buffer
 445               :help "Mark the whole buffer for a subsequent cut/copy."))
 446 (define-key menu-bar-edit-menu [clear]
 447   '(menu-item "Clear" delete-region
 448               :enable (and mark-active
 449                            (not buffer-read-only)
 450                            (not (mouse-region-match)))
 451               :help
 452               "Delete the text in region between mark and current position"))
 453 (defvar yank-menu (cons "Select Yank" nil))
 454 (fset 'yank-menu (cons 'keymap yank-menu))
 455 (define-key menu-bar-edit-menu [paste-from-menu]
 456   '(menu-item "Paste from kill menu" yank-menu
 457               :enable (and (cdr yank-menu) (not buffer-read-only))
 458               :help "Choose a string from the kill ring and paste it"))
 459 (define-key menu-bar-edit-menu [paste]
 460   '(menu-item "Paste" yank
 461               :enable (and
 462                        ;; Emacs compiled --without-x doesn't have
 463                        ;; x-selection-exists-p.
 464                        (fboundp 'x-selection-exists-p)
 465                        (x-selection-exists-p) (not buffer-read-only))
 466               :help "Paste (yank) text most recently cut/copied"))
 467 (define-key menu-bar-edit-menu [copy]
 468   '(menu-item "Copy" menu-bar-kill-ring-save
 469               :enable mark-active
 470               :help "Copy text in region between mark and current position"
 471               :keys "\\[kill-ring-save]"))
 472 (define-key menu-bar-edit-menu [cut]
 473   '(menu-item "Cut" kill-region
 474               :enable (and mark-active (not buffer-read-only))
 475               :help
 476               "Cut (kill) text in region between mark and current position"))
 477 (define-key menu-bar-edit-menu [undo]
 478   '(menu-item "Undo" undo
 479               :enable (and (not buffer-read-only)
 480                            (not (eq t buffer-undo-list))
 481                            (if (eq last-command 'undo)
 482                                (listp pending-undo-list)
 483                              (consp buffer-undo-list)))
 484               :help "Undo last operation"))
 485
 486
 487 (defun menu-bar-kill-ring-save (beg end)
 488   (interactive "r")
 489   (if (mouse-region-match)
 490       (message "Selecting a region with the mouse does `copy' automatically")
 491     (kill-ring-save beg end)))
 492
 493 ;; These are alternative definitions for the cut, paste and copy
 494 ;; menu items.  Use them if your system expects these to use the clipboard.
 495
 496 (put 'clipboard-kill-region 'menu-enable
 497      '(and mark-active (not buffer-read-only)))
 498 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 499 (put 'clipboard-yank 'menu-enable
 500      '(and (or (and (fboundp 'x-selection-exists-p)
 501                     (x-selection-exists-p))
 502                (x-selection-exists-p 'CLIPBOARD))
 503            (not buffer-read-only)))
 504
 505 (defun clipboard-yank ()
 506   "Insert the clipboard contents, or the last stretch of killed text."
 507   (interactive "*")
 508   (let ((x-select-enable-clipboard t))
 509     (yank)))
 510
 511 (defun clipboard-kill-ring-save (beg end)
 512   "Copy region to kill ring, and save in the X clipboard."
 513   (interactive "r")
 514   (let ((x-select-enable-clipboard t))
 515     (kill-ring-save beg end)))
 516
 517 (defun clipboard-kill-region (beg end)
 518   "Kill the region, and save it in the X clipboard."
 519   (interactive "r")
 520   (let ((x-select-enable-clipboard t))
 521     (kill-region beg end)))
 522
 523 (defun menu-bar-enable-clipboard ()
 524   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 525 Do the same for the keys of the same name."
 526   (interactive)
 527   ;; We can't use constant list structure here because it becomes pure,
 528   ;; and because it gets modified with cache data.
 529   (define-key menu-bar-edit-menu [paste]
 530     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 531   (define-key menu-bar-edit-menu [copy]
 532     (cons "Copy" (cons "Copy text in region to the clipboard"
 533                        'clipboard-kill-ring-save)))
 534   (define-key menu-bar-edit-menu [cut]
 535     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 536                       'clipboard-kill-region)))
 537
 538   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 539   ;; (also for XFree86 on Sun keyboard):
 540   (define-key global-map [f20] 'clipboard-kill-region)
 541   (define-key global-map [f16] 'clipboard-kill-ring-save)
 542   (define-key global-map [f18] 'clipboard-yank)
 543   ;; X11R6 versions:
 544   (define-key global-map [cut] 'clipboard-kill-region)
 545   (define-key global-map [copy] 'clipboard-kill-ring-save)
 546   (define-key global-map [paste] 'clipboard-yank))
 547 \f
 548 ;; The "Options" menu items
 549
 550 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 551
 552 (define-key menu-bar-custom-menu [customize-apropos-groups]
 553   '(menu-item "Groups Matching Regexp..." customize-apropos-groups
 554               :help "Browse groups whose names match regexp"))
 555 (define-key menu-bar-custom-menu [customize-apropos-faces]
 556   '(menu-item "Faces Matching Regexp..." customize-apropos-faces
 557               :help "Browse faces whose names match regexp"))
 558 (define-key menu-bar-custom-menu [customize-apropos-options]
 559   '(menu-item "Options Matching Regexp..." customize-apropos-options
 560               :help "Browse options whose names match regexp"))
 561 (define-key menu-bar-custom-menu [customize-apropos]
 562   '(menu-item "Settings Matching Regexp..." customize-apropos
 563               :help "Browse customizable settings whose names match regexp"))
 564 (define-key menu-bar-custom-menu [separator-1]
 565   '("--"))
 566 (define-key menu-bar-custom-menu [customize-group]
 567   '(menu-item "Specific Group..." customize-group
 568               :help "Customize settings of specific group"))
 569 (define-key menu-bar-custom-menu [customize-face]
 570   '(menu-item "Specific Face..." customize-face
 571               :help "Customize attributes of specific face"))
 572 (define-key menu-bar-custom-menu [customize-option]
 573   '(menu-item "Specific Option..." customize-option
 574               :help "Customize value of specific option"))
 575 (define-key menu-bar-custom-menu [separator-2]
 576   '("--"))
 577 (define-key menu-bar-custom-menu [customize-changed-options]
 578   '(menu-item "New Options..." customize-changed-options
 579               :help "Options added or changed in recent Emacs versions"))
 580 (define-key menu-bar-custom-menu [customize-saved]
 581   '(menu-item "Saved Options" customize-saved
 582               :help "Customize previously saved options"))
 583 (define-key menu-bar-custom-menu [separator-3]
 584   '("--"))
 585 (define-key menu-bar-custom-menu [customize-browse]
 586   '(menu-item "Browse Customization Groups" customize-browse
 587               :help "Browse all customization groups"))
 588 (define-key menu-bar-custom-menu [customize]
 589   '(menu-item "Top-level Customization Group" customize
 590               :help "The master group called `Emacs'"))
 591
 592 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 593
 594 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 595   "Make a menu-item for a global minor mode toggle.
 596 FNAME is the minor mode's name (variable and function).
 597 DOC is the text to use for the menu entry.
 598 HELP is the text to use for the tooltip.
 599 PROPS are additional properties."
 600   `'(menu-item ,doc ,fname
 601      ,@props
 602      :help ,help
 603      :button (:toggle . (and (default-boundp ',fname)
 604                              (default-value ',fname)))))
 605
 606 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 607   `(progn
 608      (defun ,name (&optional interactively)
 609        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 610                 (substring help 1) ".
 611 In an interactive call, record this option as a candidate for saving
 612 by \"Save Options\" in Custom buffers.")
 613        (interactive "p")
 614        (if ,(if body `(progn . ,body)
 615               `(progn
 616                  (custom-load-symbol ',variable)
 617                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 618                        (get (or (get ',variable 'custom-get) 'default-value)))
 619                    (funcall set ',variable (not (funcall get ',variable))))))
 620            (message ,message "enabled globally")
 621          (message ,message "disabled globally"))
 622        ;; The function `customize-mark-as-set' must only be called when
 623        ;; a variable is set interactively, as the purpose is to mark it as
 624        ;; a candidate for "Save Options", and we do not want to save options
 625        ;; the user have already set explicitly in his init file.
 626        (if interactively (customize-mark-as-set ',variable)))
 627      '(menu-item ,doc ,name
 628                  :help ,help
 629                  :button (:toggle . (and (default-boundp ',variable)
 630                                          (default-value ',variable))))))
 631
 632 ;;; Assemble all the top-level items of the "Options" menu
 633 (define-key menu-bar-options-menu [customize]
 634   (list 'menu-item "Customize Emacs" menu-bar-custom-menu))
 635
 636 (defun menu-bar-options-save ()
 637   "Save current values of Options menu items using Custom."
 638   (interactive)
 639   (let ((need-save nil))
 640     ;; These are set with menu-bar-make-mm-toggle, which does not
 641     ;; put on a customized-value property.
 642     (dolist (elt '(line-number-mode column-number-mode size-indication-mode
 643                    cua-mode show-paren-mode transient-mark-mode
 644                    blink-cursor-mode display-time-mode display-battery-mode))
 645       (and (customize-mark-to-save elt)
 646            (setq need-save t)))
 647     ;; These are set with `customize-set-variable'.
 648     (dolist (elt '(scroll-bar-mode
 649                    debug-on-quit debug-on-error
 650                    tooltip-mode menu-bar-mode tool-bar-mode
 651                    save-place uniquify-buffer-name-style fringe-mode
 652                    indicate-empty-lines indicate-buffer-boundaries
 653                    case-fold-search
 654                    current-language-environment default-input-method
 655                    ;; Saving `text-mode-hook' is somewhat questionable,
 656                    ;; as we might get more than we bargain for, if
 657                    ;; other code may has added hooks as well.
 658                    ;; Nonetheless, not saving it would like be confuse
 659                    ;; more often.
 660                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 661                    text-mode-hook))
 662       (and (get elt 'customized-value)
 663            (customize-mark-to-save elt)
 664            (setq need-save t)))
 665     ;; Save if we changed anything.
 666     (when need-save
 667       (custom-save-all))))
 668
 669 (define-key menu-bar-options-menu [save]
 670   '(menu-item "Save Options" menu-bar-options-save
 671               :help "Save options set from the menu above"))
 672
 673 (define-key menu-bar-options-menu [custom-separator]
 674   '("--"))
 675
 676 (define-key menu-bar-options-menu [mouse-set-font]
 677   '(menu-item "Set Font/Fontset..." mouse-set-font
 678                :visible (display-multi-font-p)
 679                :help "Select a font from list of known fonts/fontsets"))
 680
 681 ;; The "Show/Hide" submenu of menu "Options"
 682
 683 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 684
 685 (define-key menu-bar-showhide-menu [column-number-mode]
 686   (menu-bar-make-mm-toggle column-number-mode
 687                            "Column Numbers"
 688                            "Show the current column number in the mode line"))
 689
 690 (define-key menu-bar-showhide-menu [line-number-mode]
 691   (menu-bar-make-mm-toggle line-number-mode
 692                            "Line Numbers"
 693                            "Show the current line number in the mode line"))
 694
 695 (define-key menu-bar-showhide-menu [size-indication-mode]
 696   (menu-bar-make-mm-toggle size-indication-mode
 697                            "Size Indication"
 698                            "Show the size of the buffer in the mode line"))
 699
 700 (define-key menu-bar-showhide-menu [linecolumn-separator]
 701   '("--"))
 702
 703 (define-key menu-bar-showhide-menu [showhide-battery]
 704   (menu-bar-make-mm-toggle display-battery-mode
 705                            "Battery Status"
 706                            "Display battery status information in mode line"))
 707
 708 (define-key menu-bar-showhide-menu [showhide-date-time]
 709   (menu-bar-make-mm-toggle display-time-mode
 710                            "Time, Load and Mail"
 711                            "Display time, system load averages and \
 712 mail status in mode line"))
 713
 714 (define-key menu-bar-showhide-menu [datetime-separator]
 715   '("--"))
 716
 717 (define-key menu-bar-showhide-menu [showhide-speedbar]
 718   '(menu-item "Speedbar" speedbar-frame-mode
 719               :help "Display a Speedbar quick-navigation frame"
 720               :button (:toggle
 721                        . (and (boundp 'speedbar-frame)
 722                               (frame-live-p (symbol-value 'speedbar-frame))
 723                               (frame-visible-p
 724                                (symbol-value 'speedbar-frame))))))
 725
 726 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 727
 728 (defvar menu-bar-showhide-fringe-ind-menu
 729   (make-sparse-keymap "Buffer boundaries"))
 730
 731 (defun menu-bar-showhide-fringe-ind-customize ()
 732   "Show customization buffer for `indicate-buffer-boundaries'."
 733   (interactive)
 734   (customize-variable 'indicate-buffer-boundaries))
 735
 736 (define-key menu-bar-showhide-fringe-ind-menu [customize]
 737   '(menu-item "Other (Customize)"
 738               menu-bar-showhide-fringe-ind-customize
 739               :help "Additional choices available through Custom buffer"
 740               :visible (display-graphic-p)
 741               :button (:radio . (not (member indicate-buffer-boundaries
 742                                              '(nil left right
 743                                                ((top . left) (bottom . right))
 744                                                ((t . right) (top . left))))))))
 745
 746 (defun menu-bar-showhide-fringe-ind-mixed ()
 747   "Display top and bottom indicators in opposite fringes, arrows in right."
 748   (interactive)
 749   (customize-set-variable 'indicate-buffer-boundaries
 750                           '((t . right) (top . left))))
 751
 752 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 753   '(menu-item "Opposite, Arrows Right" menu-bar-showhide-fringe-ind-mixed
 754               :help
 755               "Show top/bottom indicators in opposite fringes, arrows in right"
 756               :visible (display-graphic-p)
 757               :button (:radio . (equal indicate-buffer-boundaries
 758                                        '((t . right) (top . left))))))
 759
 760 (defun menu-bar-showhide-fringe-ind-box ()
 761   "Display top and bottom indicators in opposite fringes."
 762   (interactive)
 763   (customize-set-variable 'indicate-buffer-boundaries
 764                           '((top . left) (bottom . right))))
 765
 766 (define-key menu-bar-showhide-fringe-ind-menu [box]
 767   '(menu-item "Opposite, No Arrows" menu-bar-showhide-fringe-ind-box
 768               :help "Show top/bottom indicators in opposite fringes, no arrows"
 769               :visible (display-graphic-p)
 770               :button (:radio . (equal indicate-buffer-boundaries
 771                                        '((top . left) (bottom . right))))))
 772
 773 (defun menu-bar-showhide-fringe-ind-right ()
 774   "Display buffer boundaries and arrows in the right fringe."
 775   (interactive)
 776   (customize-set-variable 'indicate-buffer-boundaries 'right))
 777
 778 (define-key menu-bar-showhide-fringe-ind-menu [right]
 779   '(menu-item "In Right Fringe" menu-bar-showhide-fringe-ind-right
 780               :help "Show buffer boundaries and arrows in right fringe"
 781               :visible (display-graphic-p)
 782               :button (:radio . (eq indicate-buffer-boundaries 'right))))
 783
 784 (defun menu-bar-showhide-fringe-ind-left ()
 785   "Display buffer boundaries and arrows in the left fringe."
 786   (interactive)
 787   (customize-set-variable 'indicate-buffer-boundaries 'left))
 788
 789 (define-key menu-bar-showhide-fringe-ind-menu [left]
 790   '(menu-item "In Left Fringe" menu-bar-showhide-fringe-ind-left
 791               :help "Show buffer boundaries and arrows in left fringe"
 792               :visible (display-graphic-p)
 793               :button (:radio . (eq indicate-buffer-boundaries 'left))))
 794
 795 (defun menu-bar-showhide-fringe-ind-none ()
 796   "Do not display any buffer boundary indicators."
 797   (interactive)
 798   (customize-set-variable 'indicate-buffer-boundaries nil))
 799
 800 (define-key menu-bar-showhide-fringe-ind-menu [none]
 801   '(menu-item "No Indicators" menu-bar-showhide-fringe-ind-none
 802               :help "Hide all buffer boundary indicators and arrows"
 803               :visible (display-graphic-p)
 804               :button (:radio . (eq indicate-buffer-boundaries nil))))
 805
 806 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 807   (list 'menu-item "Buffer Boundaries" menu-bar-showhide-fringe-ind-menu
 808         :visible `(display-graphic-p)
 809         :help "Indicate buffer boundaries in fringe"))
 810
 811 (define-key menu-bar-showhide-fringe-menu [indicate-empty-lines]
 812   (menu-bar-make-toggle toggle-indicate-empty-lines indicate-empty-lines
 813                         "Empty Line Indicators"
 814                         "Indicating of empty lines %s"
 815                         "Indicate trailing empty lines in fringe, globally"))
 816
 817 (defun menu-bar-showhide-fringe-menu-customize ()
 818   "Show customization buffer for `fringe-mode'."
 819   (interactive)
 820   (customize-variable 'fringe-mode))
 821
 822 (define-key menu-bar-showhide-fringe-menu [customize]
 823   '(menu-item "Customize Fringe" menu-bar-showhide-fringe-menu-customize
 824               :help "Detailed customization of fringe"
 825               :visible (display-graphic-p)))
 826
 827 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 828   "Reset the fringe mode: display fringes on both sides of a window."
 829   (interactive)
 830   (customize-set-variable 'fringe-mode nil))
 831
 832 (define-key menu-bar-showhide-fringe-menu [default]
 833   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 834               :help "Default width fringe on both left and right side"
 835               :visible (display-graphic-p)
 836               :button (:radio . (eq fringe-mode nil))))
 837
 838 (defun menu-bar-showhide-fringe-menu-customize-right ()
 839   "Display fringes only on the right of each window."
 840   (interactive)
 841   (require 'fringe)
 842   (customize-set-variable 'fringe-mode '(0 . nil)))
 843
 844 (define-key menu-bar-showhide-fringe-menu [right]
 845   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 846               :help "Fringe only on the right side"
 847               :visible (display-graphic-p)
 848               :button (:radio . (equal fringe-mode '(0 . nil)))))
 849
 850 (defun menu-bar-showhide-fringe-menu-customize-left ()
 851   "Display fringes only on the left of each window."
 852   (interactive)
 853   (require 'fringe)
 854   (customize-set-variable 'fringe-mode '(nil . 0)))
 855
 856 (define-key menu-bar-showhide-fringe-menu [left]
 857   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 858               :help "Fringe only on the left side"
 859               :visible (display-graphic-p)
 860               :button (:radio . (equal fringe-mode '(nil . 0)))))
 861
 862 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 863   "Do not display window fringes."
 864   (interactive)
 865   (require 'fringe)
 866   (customize-set-variable 'fringe-mode 0))
 867
 868 (define-key menu-bar-showhide-fringe-menu [none]
 869   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 870               :help "Turn off fringe"
 871               :visible (display-graphic-p)
 872               :button (:radio . (eq fringe-mode 0))))
 873
 874 (define-key menu-bar-showhide-menu [showhide-fringe]
 875   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 876         :visible `(display-graphic-p)))
 877
 878 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 879
 880 (define-key menu-bar-showhide-scroll-bar-menu [right]
 881   '(menu-item "On the Right"
 882               menu-bar-right-scroll-bar
 883               :help "Scroll-bar on the right side"
 884               :visible (display-graphic-p)
 885               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 886                                                (frame-parameters))) 'right))))
 887 (defun menu-bar-right-scroll-bar ()
 888   "Display scroll bars on the right of each window."
 889   (interactive)
 890   (customize-set-variable 'scroll-bar-mode 'right))
 891
 892 (define-key menu-bar-showhide-scroll-bar-menu [left]
 893   '(menu-item "On the Left"
 894               menu-bar-left-scroll-bar
 895               :help "Scroll-bar on the left side"
 896               :visible (display-graphic-p)
 897               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 898                                                (frame-parameters))) 'left))))
 899
 900 (defun menu-bar-left-scroll-bar ()
 901   "Display scroll bars on the left of each window."
 902   (interactive)
 903   (customize-set-variable 'scroll-bar-mode 'left))
 904
 905 (define-key menu-bar-showhide-scroll-bar-menu [none]
 906   '(menu-item "None"
 907               menu-bar-no-scroll-bar
 908               :help "Turn off scroll-bar"
 909               :visible (display-graphic-p)
 910               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 911                                                (frame-parameters))) nil))))
 912
 913 (defun menu-bar-no-scroll-bar ()
 914   "Turn off scroll bars."
 915   (interactive)
 916   (customize-set-variable 'scroll-bar-mode nil))
 917
 918 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 919   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 920         :visible `(display-graphic-p)))
 921
 922 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 923   (list 'menu-item "Tooltips" 'tooltip-mode
 924         :help "Turn tooltips on/off"
 925         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 926         :button `(:toggle . tooltip-mode)))
 927
 928 (define-key menu-bar-showhide-menu [menu-bar-mode]
 929   '(menu-item "Menu-bar" toggle-menu-bar-mode-from-frame
 930               :help "Turn menu-bar on/off"
 931               :button (:toggle . (> (frame-parameter nil 'menu-bar-lines) 0))))
 932
 933 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 934   (list 'menu-item "Tool-bar" 'toggle-tool-bar-mode-from-frame
 935         :help "Toggle tool-bar on/off"
 936         :visible `(display-graphic-p)
 937         :button `(:toggle . (> (frame-parameter nil 'tool-bar-lines) 0))))
 938
 939 (define-key menu-bar-options-menu [showhide]
 940   (list 'menu-item "Show/Hide" menu-bar-showhide-menu))
 941
 942 (define-key menu-bar-options-menu [showhide-separator]
 943   '("--"))
 944
 945 (define-key menu-bar-options-menu [mule]
 946   ;; It is better not to use backquote here,
 947   ;; because that makes a bootstrapping problem
 948   ;; if you need to recompile all the Lisp files using interpreted code.
 949   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 950 ;; Most of the MULE menu actually does make sense in unibyte mode,
 951 ;; e.g. language selection.
 952 ;;;     ':visible 'default-enable-multibyte-characters
 953         ))
 954 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 955 ;(define-key menu-bar-options-menu [preferences]
 956 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 957 ;       :help "Toggle important global options"))
 958
 959 (define-key menu-bar-options-menu [mule-separator]
 960   '("--"))
 961
 962 (define-key menu-bar-options-menu [debug-on-quit]
 963   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 964                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 965                         "Enter Lisp debugger when C-g is pressed"))
 966 (define-key menu-bar-options-menu [debug-on-error]
 967   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 968                         "Enter Debugger on Error" "Debug on Error %s"
 969                         "Enter Lisp debugger when an error is signaled"))
 970 (define-key menu-bar-options-menu [debugger-separator]
 971   '("--"))
 972
 973 (define-key menu-bar-options-menu [blink-cursor-mode]
 974   (menu-bar-make-mm-toggle blink-cursor-mode
 975                            "Blinking Cursor"
 976                            "Whether the cursor blinks (Blink Cursor mode)"))
 977 (define-key menu-bar-options-menu [cursor-separator]
 978   '("--"))
 979
 980 (define-key menu-bar-options-menu [save-place]
 981   (menu-bar-make-toggle toggle-save-place-globally save-place
 982                         "Save Place in Files between Sessions"
 983                         "Saving place in files %s"
 984                         "Visit files of previous session when restarting Emacs"
 985                         (require 'saveplace)
 986                         ;; Do it by name, to avoid a free-variable
 987                         ;; warning during byte compilation.
 988                         (set-default
 989                          'save-place (not (symbol-value 'save-place)))))
 990
 991 (define-key menu-bar-options-menu [uniquify]
 992   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
 993                         "Use Directory Names in Buffer Names"
 994                         "Directory name in buffer names (uniquify) %s"
 995                         "Uniquify buffer names by adding parent directory names"
 996                         (require 'uniquify)
 997                         (setq uniquify-buffer-name-style
 998                               (if (not uniquify-buffer-name-style)
 999                                   'forward))))
1000
1001 (define-key menu-bar-options-menu [edit-options-separator]
1002   '("--"))
1003 (define-key menu-bar-options-menu [cua-mode]
1004   (menu-bar-make-mm-toggle cua-mode
1005                            "C-x/C-c/C-v Cut and Paste (CUA)"
1006                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"
1007                            (:visible (or (not (boundp 'cua-enable-cua-keys))
1008                                          cua-enable-cua-keys))))
1009
1010 (define-key menu-bar-options-menu [cua-emulation-mode]
1011   (menu-bar-make-mm-toggle cua-mode
1012                            "Shift movement mark region (CUA)"
1013                            "Use shifted movement keys to set and extend the region."
1014                            (:visible (and (boundp 'cua-enable-cua-keys)
1015                                           (not cua-enable-cua-keys)))))
1016
1017 (define-key menu-bar-options-menu [case-fold-search]
1018   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1019             "Case-Insensitive Search"
1020             "Case-Insensitive Search %s"
1021             "Globally ignore letter-case in search"))
1022
1023 (defun menu-bar-text-mode-auto-fill ()
1024   (interactive)
1025   (toggle-text-mode-auto-fill)
1026   ;; This is somewhat questionable, as `text-mode-hook'
1027   ;; might have changed outside customize.
1028   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1029   (customize-mark-as-set 'text-mode-hook))
1030
1031 (define-key menu-bar-options-menu [auto-fill-mode]
1032   '(menu-item "Word Wrap in Text Modes"
1033               menu-bar-text-mode-auto-fill
1034               :help "Automatically fill text between left and right margins (Auto Fill)"
1035               :button (:toggle . (if (listp text-mode-hook)
1036                                      (member 'turn-on-auto-fill text-mode-hook)
1037                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1038 (define-key menu-bar-options-menu [truncate-lines]
1039   '(menu-item "Truncate Long Lines in this Buffer"
1040               toggle-truncate-lines
1041               :help "Truncate long lines on the screen"
1042               :button (:toggle . (if (or (window-full-width-p)
1043                                          (not truncate-partial-width-windows))
1044                                      truncate-lines
1045                                    truncate-partial-width-windows))
1046               :enable (and (menu-bar-menu-frame-live-and-visible-p)
1047                            (or (window-full-width-p)
1048                                (not truncate-partial-width-windows)))))
1049
1050 (define-key menu-bar-options-menu [highlight-separator]
1051   '("--"))
1052 (define-key menu-bar-options-menu [highlight-paren-mode]
1053   (menu-bar-make-mm-toggle show-paren-mode
1054                            "Paren Match Highlighting"
1055                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1056 (define-key menu-bar-options-menu [transient-mark-mode]
1057   (menu-bar-make-mm-toggle transient-mark-mode
1058                            "Active Region Highlighting"
1059                            "Make text in active region stand out in color (Transient Mark mode)"
1060                            (:enable (not cua-mode))))
1061
1062 \f
1063 ;; The "Tools" menu items
1064
1065 (defun send-mail-item-name ()
1066   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1067                                      (mh-e-user-agent . "MH")
1068                                      (message-user-agent . "Gnus Message")
1069                                      (gnus-user-agent . "Gnus")))
1070          (name (assq mail-user-agent known-send-mail-commands)))
1071     (if name
1072         (setq name (cdr name))
1073       (setq name (symbol-name mail-user-agent))
1074       (if (string-match "\\(.+\\)-user-agent" name)
1075           (setq name (match-string 1 name))))
1076     name))
1077
1078 (defun read-mail-item-name ()
1079   (let* ((known-rmail-commands '((rmail . "RMAIL")
1080                                  (mh-rmail . "MH")
1081                                  (gnus . "Gnus")))
1082          (known (assq read-mail-command known-rmail-commands)))
1083     (if known (cdr known) (symbol-name read-mail-command))))
1084
1085 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1086
1087 (define-key menu-bar-tools-menu [games]
1088   (list 'menu-item "Games" menu-bar-games-menu))
1089
1090 (define-key menu-bar-tools-menu [separator-games]
1091   '("--"))
1092
1093 (define-key menu-bar-games-menu [zone]
1094   '(menu-item "Zone Out"  zone
1095               :help "Play tricks with Emacs display when Emacs is idle"))
1096 (define-key menu-bar-games-menu [tetris]
1097   '(menu-item "Tetris"  tetris
1098               :help "Falling blocks game"))
1099 (define-key menu-bar-games-menu [solitaire]
1100   '(menu-item "Solitaire"  solitaire
1101               :help "Get rid of all the stones"))
1102 (define-key menu-bar-games-menu [snake]
1103   '(menu-item "Snake"  snake
1104               :help "Move snake around avoiding collisions"))
1105 (define-key menu-bar-games-menu [pong]
1106   '(menu-item "Pong" pong
1107               :help "Bounce the ball to your opponent"))
1108 (define-key menu-bar-games-menu [mult]
1109   '(menu-item "Multiplication Puzzle"  mpuz
1110               :help "Exercise brain with multiplication"))
1111 (define-key menu-bar-games-menu [life]
1112   '(menu-item "Life"  life
1113               :help "Watch how John Conway's cellular automaton evolves"))
1114 (define-key menu-bar-games-menu [hanoi]
1115   '(menu-item "Towers of Hanoi" hanoi
1116               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1117 (define-key menu-bar-games-menu [gomoku]
1118   '(menu-item "Gomoku"  gomoku
1119               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1120 (define-key menu-bar-games-menu [bubbles]
1121   '(menu-item "Bubbles" bubbles
1122               :help "Remove all bubbles using the fewest moves"))
1123 (define-key menu-bar-games-menu [black-box]
1124   '(menu-item "Blackbox"  blackbox
1125               :help "Find balls in a black box by shooting rays"))
1126 (define-key menu-bar-games-menu [adventure]
1127   '(menu-item "Adventure"  dunnet
1128               :help "Dunnet, a text Adventure game for Emacs"))
1129 (define-key menu-bar-games-menu [5x5]
1130   '(menu-item "5x5" 5x5
1131               :help "Fill in all the squares on a 5x5 board"))
1132
1133 (define-key menu-bar-tools-menu [simple-calculator]
1134   '(menu-item "Simple Calculator" calculator
1135               :help "Invoke the Emacs built-in quick calculator"))
1136 (define-key menu-bar-tools-menu [calc]
1137   '(menu-item "Programmable Calculator" calc
1138               :help "Invoke the Emacs built-in full scientific calculator"))
1139 (define-key menu-bar-tools-menu [calendar]
1140   '(menu-item "Calendar" calendar
1141               :help "Invoke the Emacs built-in calendar"))
1142
1143 (define-key menu-bar-tools-menu [separator-net]
1144   '("--"))
1145
1146 (define-key menu-bar-tools-menu [directory-search]
1147   '(menu-item "Directory Search" eudc-tools-menu))
1148 (define-key menu-bar-tools-menu [compose-mail]
1149   (list
1150    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1151    'compose-mail
1152    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1153    :help "Send a mail message"))
1154 (define-key menu-bar-tools-menu [rmail]
1155   (list
1156    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1157    'menu-bar-read-mail
1158    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1159    :help "Read your mail and reply to it"))
1160
1161 (defun menu-bar-read-mail ()
1162   "Read mail using `read-mail-command'."
1163   (interactive)
1164   (call-interactively read-mail-command))
1165
1166 (define-key menu-bar-tools-menu [gnus]
1167   '(menu-item "Read Net News (Gnus)" gnus
1168               :help "Read network news groups"))
1169
1170 (define-key menu-bar-tools-menu [separator-vc]
1171   '("--"))
1172
1173 (define-key menu-bar-tools-menu [pcl-cvs]
1174   '(menu-item "PCL-CVS" cvs-global-menu))
1175 (define-key menu-bar-tools-menu [vc] nil) ;Create the place for the VC menu.
1176
1177 (define-key menu-bar-tools-menu [separator-compare]
1178   '("--"))
1179
1180 (define-key menu-bar-tools-menu [ediff-misc]
1181   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu))
1182 (define-key menu-bar-tools-menu [epatch]
1183   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1184 (define-key menu-bar-tools-menu [ediff-merge]
1185   '(menu-item "Merge" menu-bar-ediff-merge-menu))
1186 (define-key menu-bar-tools-menu [compare]
1187   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu))
1188
1189 (define-key menu-bar-tools-menu [separator-spell]
1190   '("--"))
1191
1192 (define-key menu-bar-tools-menu [spell]
1193   '(menu-item "Spell Checking" ispell-menu-map))
1194
1195 (define-key menu-bar-tools-menu [separator-prog]
1196   '("--"))
1197
1198 (define-key menu-bar-tools-menu [gdb]
1199   '(menu-item "Debugger (GDB)..." gdb
1200               :help "Debug a program from within Emacs with GDB"))
1201 (define-key menu-bar-tools-menu [shell-on-region]
1202   '(menu-item "Shell Command on Region..." shell-command-on-region
1203               :enable mark-active
1204               :help "Pass marked region to a shell command"))
1205 (define-key menu-bar-tools-menu [shell]
1206   '(menu-item "Shell Command..." shell-command
1207               :help "Invoke a shell command and catch its output"))
1208 (define-key menu-bar-tools-menu [compile]
1209   '(menu-item "Compile..." compile
1210               :help "Invoke compiler or Make, view compilation errors"))
1211 (define-key menu-bar-tools-menu [grep]
1212   '(menu-item "Search Files (Grep)..." grep
1213               :help "Search files for strings or regexps (with Grep)"))
1214
1215 \f
1216 ;; The "Help" menu items
1217
1218 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1219
1220 (define-key menu-bar-describe-menu [mule-diag]
1221   '(menu-item "Show All of Mule Status" mule-diag
1222               :visible default-enable-multibyte-characters
1223               :help "Display multilingual environment settings"))
1224 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1225   '(menu-item "Describe Coding System (Briefly)"
1226               describe-current-coding-system-briefly
1227               :visible default-enable-multibyte-characters))
1228 (define-key menu-bar-describe-menu [describe-coding-system]
1229   '(menu-item "Describe Coding System..." describe-coding-system
1230               :visible default-enable-multibyte-characters))
1231 (define-key menu-bar-describe-menu [describe-input-method]
1232   '(menu-item "Describe Input Method..." describe-input-method
1233               :visible default-enable-multibyte-characters
1234               :help "Keyboard layout for specific input method"))
1235 (define-key menu-bar-describe-menu [describe-language-environment]
1236   (list 'menu-item "Describe Language Environment"
1237         describe-language-environment-map))
1238
1239 (define-key menu-bar-describe-menu [separator-desc-mule]
1240   '("--"))
1241
1242 (define-key menu-bar-describe-menu [list-keybindings]
1243   '(menu-item "List Key Bindings" describe-bindings
1244               :help "Display all current keybindings (keyboard shortcuts)"))
1245 (define-key menu-bar-describe-menu [describe-current-display-table]
1246   '(menu-item "Describe Display Table" describe-current-display-table
1247               :help "Describe the current display table"))
1248 (define-key menu-bar-describe-menu [describe-face]
1249   '(menu-item "Describe Face..." describe-face
1250               :help "Display the properties of a face"))
1251 (define-key menu-bar-describe-menu [describe-variable]
1252   '(menu-item "Describe Variable..." describe-variable
1253               :help "Display documentation of variable/option"))
1254 (define-key menu-bar-describe-menu [describe-function]
1255   '(menu-item "Describe Function..." describe-function
1256               :help "Display documentation of function/command"))
1257 (define-key menu-bar-describe-menu [describe-key-1]
1258   '(menu-item "Describe Key or Mouse Operation..." describe-key
1259               ;; Users typically don't identify keys and menu items...
1260               :help "Display documentation of command bound to a \
1261 key, a click, or a menu-item"))
1262 (define-key menu-bar-describe-menu [describe-mode]
1263   '(menu-item "Describe Buffer Modes" describe-mode
1264               :help "Describe this buffer's major and minor mode"))
1265
1266 (defvar menu-bar-search-documentation-menu
1267   (make-sparse-keymap "Search Documentation"))
1268 (defun menu-bar-read-lispref ()
1269   "Display the Emacs Lisp Reference manual in Info mode."
1270   (interactive)
1271   (info "elisp"))
1272
1273 (defun menu-bar-read-lispintro ()
1274   "Display the Introduction to Emacs Lisp Programming in Info mode."
1275   (interactive)
1276   (info "eintr"))
1277
1278 (defun search-emacs-glossary ()
1279   "Display the Glossary node of the Emacs manual in Info mode."
1280   (interactive)
1281   (info "(emacs)Glossary"))
1282
1283 (defun emacs-index-search (topic)
1284   "Look up TOPIC in the indices of the Emacs User Manual."
1285   (interactive "sSubject to look up: ")
1286   (info "emacs")
1287   (Info-index topic))
1288
1289 (defun elisp-index-search (topic)
1290   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1291   (interactive "sSubject to look up: ")
1292   (info "elisp")
1293   (Info-index topic))
1294
1295 (define-key menu-bar-search-documentation-menu [search-documentation-strings]
1296   '(menu-item "Search Documentation Strings..." apropos-documentation
1297               :help
1298               "Find functions and variables whose doc strings match a regexp"))
1299 (define-key menu-bar-search-documentation-menu [find-any-object-by-name]
1300   '(menu-item "Find Any Object by Name..."  apropos
1301               :help "Find symbols of any kind whose names match a regexp"))
1302 (define-key menu-bar-search-documentation-menu [find-option-by-value]
1303   '(menu-item "Find Options by Value..." apropos-value
1304               :help "Find variables whose values match a regexp"))
1305 (define-key menu-bar-search-documentation-menu [find-options-by-name]
1306   '(menu-item "Find Options by Name..." apropos-variable
1307               :help "Find variables whose names match a regexp"))
1308 (define-key menu-bar-search-documentation-menu [find-commands-by-name]
1309   '(menu-item "Find Commands by Name..." apropos-command
1310               :help "Find commands whose names match a regexp"))
1311 (define-key menu-bar-search-documentation-menu [sep1]
1312   '("--"))
1313 (define-key menu-bar-search-documentation-menu [lookup-command-in-manual]
1314   '(menu-item "Look Up Command in User Manual..." Info-goto-emacs-command-node
1315               :help "Display manual section that describes a command"))
1316 (define-key menu-bar-search-documentation-menu [lookup-key-in-manual]
1317   '(menu-item "Look Up Key in User Manual..." Info-goto-emacs-key-command-node
1318               :help "Display manual section that describes a key"))
1319 (define-key menu-bar-search-documentation-menu [lookup-subject-in-elisp-manual]
1320   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1321               :help "Find description of a subject in Emacs Lisp manual"))
1322 (define-key menu-bar-search-documentation-menu [lookup-subject-in-emacs-manual]
1323   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1324               :help "Find description of a subject in Emacs User manual"))
1325 (define-key menu-bar-search-documentation-menu [emacs-terminology]
1326   '(menu-item "Emacs Terminology" search-emacs-glossary
1327               :help "Display the Glossary section of the Emacs manual"))
1328
1329 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1330
1331 (define-key menu-bar-manuals-menu [man]
1332   '(menu-item "Read Man Page..." manual-entry
1333               :help "Man-page docs for external commands and libraries"))
1334 (define-key menu-bar-manuals-menu [sep2]
1335   '("--"))
1336 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1337   '(menu-item "Ordering Manuals" view-order-manuals
1338               :help "How to order manuals from the Free Software Foundation"))
1339 (define-key menu-bar-manuals-menu [lookup-subject-in-all-manuals]
1340   '(menu-item "Lookup Subject in all manuals..." info-apropos
1341               :help "Find description of a subject in all installed manuals"))
1342 (define-key menu-bar-manuals-menu [other-manuals]
1343   '(menu-item "All Other Manuals (Info)" Info-directory
1344               :help "Read any of the installed manuals"))
1345 (define-key menu-bar-manuals-menu [emacs-lisp-reference]
1346   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1347               :help "Read the Emacs Lisp Reference manual"))
1348 (define-key menu-bar-manuals-menu [emac-lisp-intro]
1349   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1350               :help "Read the Introduction to Emacs Lisp Programming"))
1351
1352 (define-key menu-bar-help-menu [about-gnu-project]
1353   '(menu-item "About GNU" describe-gnu-project
1354               :help "About the GNU System, GNU Project, and GNU/Linux"))
1355 (define-key menu-bar-help-menu [about-emacs]
1356   '(menu-item "About Emacs" about-emacs
1357               :help "Display version number, copyright info, and basic help"))
1358 (define-key menu-bar-help-menu [sep4]
1359   '("--"))
1360 (define-key menu-bar-help-menu [describe-no-warranty]
1361   '(menu-item "(Non)Warranty" describe-no-warranty
1362               :help "Explain that Emacs has NO WARRANTY"))
1363 (define-key menu-bar-help-menu [describe-copying]
1364   '(menu-item "Copying Conditions" describe-copying
1365               :help "Show the Emacs license (GPL)"))
1366 (define-key menu-bar-help-menu [getting-new-versions]
1367   '(menu-item "Getting New Versions" describe-distribution
1368               :help "How to get latest versions of Emacs"))
1369 (defun menu-bar-help-extra-packages ()
1370   "Display help about some additional packages available for Emacs."
1371   (interactive)
1372   (let (enable-local-variables)
1373     (view-file (expand-file-name "MORE.STUFF"
1374                                  data-directory))
1375     (goto-address)))
1376 (define-key menu-bar-help-menu [sep2]
1377   '("--"))
1378 (define-key menu-bar-help-menu [external-packages]
1379   '(menu-item "External Packages" menu-bar-help-extra-packages
1380               :help "Lisp packages distributed separately for use in Emacs"))
1381 (define-key menu-bar-help-menu [find-emacs-packages]
1382   '(menu-item "Find Emacs Packages" finder-by-keyword
1383               :help "Find packages and features by keyword"))
1384 (define-key menu-bar-help-menu [more-manuals]
1385   (list 'menu-item "More Manuals" menu-bar-manuals-menu))
1386 (define-key menu-bar-help-menu [emacs-manual]
1387   '(menu-item "Read the Emacs Manual" info-emacs-manual
1388               :help "Full documentation of Emacs features"))
1389 (define-key menu-bar-help-menu [describe]
1390   (list 'menu-item "Describe" menu-bar-describe-menu))
1391 (define-key menu-bar-help-menu [search-documentation]
1392   (list 'menu-item "Search Documentation" menu-bar-search-documentation-menu))
1393 (define-key menu-bar-help-menu [sep1]
1394   '("--"))
1395 (define-key menu-bar-help-menu [emacs-psychotherapist]
1396   '(menu-item "Emacs Psychotherapist" doctor
1397               :help "Our doctor will help you feel better"))
1398 (define-key menu-bar-help-menu [send-emacs-bug-report]
1399   '(menu-item "Send Bug Report..." report-emacs-bug
1400               :help "Send e-mail to Emacs maintainers"))
1401 (define-key menu-bar-help-menu [emacs-known-problems]
1402   '(menu-item "Emacs Known Problems" view-emacs-problems
1403               :help "Read about known problems with Emacs"))
1404 (define-key menu-bar-help-menu [emacs-news]
1405   '(menu-item "Emacs News" view-emacs-news
1406               :help "New features of this version"))
1407 (define-key menu-bar-help-menu [emacs-faq]
1408   '(menu-item "Emacs FAQ" view-emacs-FAQ
1409               :help "Frequently asked (and answered) questions about Emacs"))
1410
1411 (defun help-with-tutorial-spec-language ()
1412   "Use the Emacs tutorial, specifying which language you want."
1413   (interactive)
1414   (help-with-tutorial t))
1415
1416 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1417   '(menu-item "Emacs Tutorial (choose language)..."
1418               help-with-tutorial-spec-language
1419               :help "Learn how to use Emacs (choose a language)"))
1420 (define-key menu-bar-help-menu [emacs-tutorial]
1421   '(menu-item "Emacs Tutorial" help-with-tutorial
1422               :help "Learn how to use Emacs"))
1423
1424 (defun menu-bar-menu-frame-live-and-visible-p ()
1425   "Return non-nil if the menu frame is alive and visible.
1426 The menu frame is the frame for which we are updating the menu."
1427   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1428     (and (frame-live-p menu-frame)
1429          (frame-visible-p menu-frame))))
1430
1431 (defun menu-bar-non-minibuffer-window-p ()
1432   "Return non-nil if selected window of the menu frame is not a minibuf window.
1433
1434 See the documentation of `menu-bar-menu-frame-live-and-visible-p'
1435 for the definition of the menu frame."
1436   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1437     (not (window-minibuffer-p (frame-selected-window menu-frame)))))
1438
1439 (defun kill-this-buffer ()      ; for the menu bar
1440   "Kill the current buffer.
1441 When called in the minibuffer, get out of the minibuffer
1442 using `abort-recursive-edit'."
1443   (interactive)
1444   (if (menu-bar-non-minibuffer-window-p)
1445       (kill-buffer (current-buffer))
1446     (abort-recursive-edit)))
1447
1448 (defun kill-this-buffer-enabled-p ()
1449   (let ((count 0)
1450         (buffers (buffer-list)))
1451     (while buffers
1452       (or (string-match "^ " (buffer-name (car buffers)))
1453           (setq count (1+ count)))
1454       (setq buffers (cdr buffers)))
1455     (or (not (menu-bar-non-minibuffer-window-p))
1456         (> count 1))))
1457
1458 (put 'dired 'menu-enable '(menu-bar-non-minibuffer-window-p))
1459
1460 ;; Permit deleting frame if it would leave a visible or iconified frame.
1461 (defun delete-frame-enabled-p ()
1462   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1463   (let ((frames (frame-list))
1464         (count 0))
1465     (while frames
1466       (if (frame-visible-p (car frames))
1467           (setq count (1+ count)))
1468       (setq frames (cdr frames)))
1469     (> count 1)))
1470
1471 (defcustom yank-menu-length 20
1472   "*Maximum length to display in the yank-menu."
1473   :type 'integer
1474   :group 'menu)
1475
1476 (defun menu-bar-update-yank-menu (string old)
1477   (let ((front (car (cdr yank-menu)))
1478         (menu-string (if (<= (length string) yank-menu-length)
1479                          string
1480                        (concat
1481                         (substring string 0 (/ yank-menu-length 2))
1482                         "..."
1483                         (substring string (- (/ yank-menu-length 2)))))))
1484     ;; Don't let the menu string be all dashes
1485     ;; because that has a special meaning in a menu.
1486     (if (string-match "\\`-+\\'" menu-string)
1487         (setq menu-string (concat menu-string " ")))
1488     ;; If we're supposed to be extending an existing string, and that
1489     ;; string really is at the front of the menu, then update it in place.
1490     (if (and old (or (eq old (car front))
1491                      (string= old (car front))))
1492         (progn
1493           (setcar front string)
1494           (setcar (cdr front) menu-string))
1495       (setcdr yank-menu
1496               (cons
1497                (cons string (cons menu-string 'menu-bar-select-yank))
1498                (cdr yank-menu)))))
1499   (if (> (length (cdr yank-menu)) kill-ring-max)
1500       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1501
1502 (put 'menu-bar-select-yank 'apropos-inhibit t)
1503 (defun menu-bar-select-yank ()
1504   "Insert the stretch of previously-killed text selected from menu.
1505 The menu shows all the killed text sequences stored in `kill-ring'."
1506   (interactive "*")
1507   (push-mark (point))
1508   (insert last-command-event))
1509
1510 \f
1511 ;;; Buffers Menu
1512
1513 (defcustom buffers-menu-max-size 10
1514   "*Maximum number of entries which may appear on the Buffers menu.
1515 If this is 10, then only the ten most-recently-selected buffers are shown.
1516 If this is nil, then all buffers are shown.
1517 A large number or nil slows down menu responsiveness."
1518   :type '(choice integer
1519                  (const :tag "All" nil))
1520   :group 'menu)
1521
1522 (defcustom buffers-menu-buffer-name-length 30
1523   "*Maximum length of the buffer name on the Buffers menu.
1524 If this is a number, then buffer names are truncated to this length.
1525 If this is nil, then buffer names are shown in full.
1526 A large number or nil makes the menu too wide."
1527   :type '(choice integer
1528                  (const :tag "Full length" nil))
1529   :group 'menu)
1530
1531 (defcustom buffers-menu-show-directories 'unless-uniquify
1532   "If non-nil, show directories in the Buffers menu for buffers that have them.
1533 The special value `unless-uniquify' means that directories will be shown
1534 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1535 names should include enough of a buffer's directory to distinguish it
1536 from other buffers).
1537
1538 Setting this variable directly does not take effect until next time the
1539 Buffers menu is regenerated."
1540   :set (lambda (symbol value)
1541          (set symbol value)
1542          (menu-bar-update-buffers t))
1543   :initialize 'custom-initialize-default
1544   :type '(choice (const :tag "Never" nil)
1545                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1546                  (const :tag "Always" t))
1547   :group 'menu)
1548
1549 (defcustom buffers-menu-show-status t
1550   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1551 Setting this variable directly does not take effect until next time the
1552 Buffers menu is regenerated."
1553   :set (lambda (symbol value)
1554          (set symbol value)
1555          (menu-bar-update-buffers t))
1556   :initialize 'custom-initialize-default
1557   :type 'boolean
1558   :group 'menu)
1559
1560 (defvar list-buffers-directory nil)
1561
1562 (defun menu-bar-select-frame (frame)
1563   (make-frame-visible frame)
1564   (raise-frame frame)
1565   (select-frame frame))
1566
1567 (defun menu-bar-update-buffers-1 (elt)
1568   (let* ((buf (car elt))
1569          (file
1570           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1571                    (or (not (boundp 'uniquify-buffer-name-style))
1572                        (null uniquify-buffer-name-style))
1573                  buffers-menu-show-directories)
1574                (or (buffer-file-name buf)
1575                    (buffer-local-value 'list-buffers-directory buf)))))
1576     (when file
1577       (setq file (file-name-directory file)))
1578     (when (and file (> (length file) 20))
1579       (setq file (concat "..." (substring file -17))))
1580     (cons (if buffers-menu-show-status
1581               (let ((mod (if (buffer-modified-p buf) "*" ""))
1582                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1583                 (if file
1584                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1585                   (format "%s  %s%s" (cdr elt) mod ro)))
1586             (if file
1587                 (format "%s  --  %s"  (cdr elt) file)
1588               (cdr elt)))
1589           buf)))
1590
1591 ;; Used to cache the menu entries for commands in the Buffers menu
1592 (defvar menu-bar-buffers-menu-command-entries nil)
1593
1594 (defun menu-bar-update-buffers (&optional force)
1595   ;; If user discards the Buffers item, play along.
1596   (and (lookup-key (current-global-map) [menu-bar buffer])
1597        (or force (frame-or-buffer-changed-p))
1598        (let ((buffers (buffer-list))
1599              (frames (frame-list))
1600              buffers-menu)
1601          ;; If requested, list only the N most recently selected buffers.
1602          (if (and (integerp buffers-menu-max-size)
1603                   (> buffers-menu-max-size 1))
1604              (if (> (length buffers) buffers-menu-max-size)
1605                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1606
1607          ;; Make the menu of buffers proper.
1608          (setq buffers-menu
1609                (let (alist)
1610                  ;; Put into each element of buffer-list
1611                  ;; the name for actual display,
1612                  ;; perhaps truncated in the middle.
1613                  (dolist (buf buffers)
1614                    (let ((name (buffer-name buf)))
1615                      (unless (eq ?\s (aref name 0))
1616                        (push (menu-bar-update-buffers-1
1617                               (cons buf
1618                                     (if (and (integerp buffers-menu-buffer-name-length)
1619                                              (> (length name) buffers-menu-buffer-name-length))
1620                                         (concat
1621                                          (substring
1622                                           name 0 (/ buffers-menu-buffer-name-length 2))
1623                                          "..."
1624                                          (substring
1625                                           name (- (/ buffers-menu-buffer-name-length 2))))
1626                                       name)
1627                                     ))
1628                              alist))))
1629                  ;; Now make the actual list of items.
1630                  (let ((buffers-vec (make-vector (length alist) nil))
1631                        (i (length alist)))
1632                    (dolist (pair alist)
1633                      (setq i (1- i))
1634                      (aset buffers-vec i
1635                            (nconc (list (car pair)
1636                                         (cons nil nil))
1637                                   `(lambda ()
1638                                      (interactive)
1639                                      (switch-to-buffer ,(cdr pair))))))
1640                    (list buffers-vec))))
1641
1642          ;; Make a Frames menu if we have more than one frame.
1643          (when (cdr frames)
1644            (let* ((frames-vec (make-vector (length frames) nil))
1645                   (frames-menu
1646                    (cons 'keymap
1647                          (list "Select Frame" frames-vec)))
1648                   (i 0))
1649              (dolist (frame frames)
1650                (aset frames-vec i
1651                      (nconc
1652                       (list
1653                        (frame-parameter frame 'name)
1654                        (cons nil nil))
1655                       `(lambda ()
1656                          (interactive) (menu-bar-select-frame ,frame))))
1657                (setq i (1+ i)))
1658              ;; Put it after the normal buffers
1659              (setq buffers-menu
1660                    (nconc buffers-menu
1661                           `((frames-separator "--")
1662                             (frames menu-item "Frames" ,frames-menu))))))
1663
1664          ;; Add in some normal commands at the end of the menu.  We use
1665          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1666          ;; if it's been set already.  Note that we can't use constant
1667          ;; lists for the menu-entries, because the low-level menu-code
1668          ;; modifies them.
1669          (unless menu-bar-buffers-menu-command-entries
1670            (setq menu-bar-buffers-menu-command-entries
1671                  (list '(command-separator "--")
1672                        (list 'next-buffer
1673                              'menu-item
1674                              "Next Buffer"
1675                              'next-buffer
1676                              :help "Switch to the \"next\" buffer in a cyclic order")
1677                        (list 'previous-buffer
1678                              'menu-item
1679                              "Previous Buffer"
1680                              'previous-buffer
1681                              :help "Switch to the \"previous\" buffer in a cyclic order")
1682                        (list 'select-named-buffer
1683                              'menu-item
1684                              "Select Named Buffer..."
1685                              'switch-to-buffer
1686                              :help "Prompt for a buffer name, and select that buffer in the current window")
1687                        (list 'list-all-buffers
1688                              'menu-item
1689                              "List All Buffers"
1690                              'list-buffers
1691                              :help "Pop up a window listing all Emacs buffers"
1692                              ))))
1693          (setq buffers-menu
1694                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1695
1696          ;; We used to "(define-key (current-global-map) [menu-bar buffer]"
1697          ;; but that did not do the right thing when the [menu-bar buffer]
1698          ;; entry above had been moved (e.g. to a parent keymap).
1699          (setcdr global-buffers-menu-map (cons "Select Buffer" buffers-menu)))))
1700
1701 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1702
1703 (menu-bar-update-buffers)
1704
1705 ;; this version is too slow
1706 ;;(defun format-buffers-menu-line (buffer)
1707 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1708 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1709 ;;  (if (string-match "\\` " (buffer-name buffer))
1710 ;;      nil
1711 ;;    (save-excursion
1712 ;;     (set-buffer buffer)
1713 ;;     (let ((size (buffer-size)))
1714 ;;       (format "%s%s %-19s %6s %-15s %s"
1715 ;;             (if (buffer-modified-p) "*" " ")
1716 ;;             (if buffer-read-only "%" " ")
1717 ;;             (buffer-name)
1718 ;;             size
1719 ;;             mode-name
1720 ;;             (or (buffer-file-name) ""))))))
1721 \f
1722 ;;; Set up a menu bar menu for the minibuffer.
1723
1724 (dolist (map (list minibuffer-local-map
1725                    ;; This shouldn't be necessary, but there's a funny
1726                    ;; bug in keymap.c that I don't understand yet.  -stef
1727                    minibuffer-local-completion-map))
1728   (define-key map [menu-bar minibuf]
1729     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1730
1731 (let ((map minibuffer-local-completion-map))
1732   (define-key map [menu-bar minibuf ?\?]
1733     (list 'menu-item "List Completions" 'minibuffer-completion-help
1734           :help "Display all possible completions"))
1735   (define-key map [menu-bar minibuf space]
1736     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1737           :help "Complete at most one word"))
1738   (define-key map [menu-bar minibuf tab]
1739     (list 'menu-item "Complete" 'minibuffer-complete
1740           :help "Complete as far as possible")))
1741
1742 (let ((map minibuffer-local-map))
1743   (define-key map [menu-bar minibuf quit]
1744     (list 'menu-item "Quit" 'abort-recursive-edit
1745           :help "Abort input and exit minibuffer"))
1746   (define-key map [menu-bar minibuf return]
1747     (list 'menu-item "Enter" 'exit-minibuffer
1748           :key-sequence "\r"
1749           :help "Terminate input and exit minibuffer"))
1750   (define-key map [menu-bar minibuf isearch-forward]
1751     (list 'menu-item "Isearch History Forward" 'isearch-forward
1752           :help "Incrementally search minibuffer history forward"))
1753   (define-key map [menu-bar minibuf isearch-backward]
1754     (list 'menu-item "Isearch History Backward" 'isearch-backward
1755           :help "Incrementally search minibuffer history backward"))
1756   (define-key map [menu-bar minibuf next]
1757     (list 'menu-item "Next History Item" 'next-history-element
1758           :help "Put next minibuffer history element in the minibuffer"))
1759   (define-key map [menu-bar minibuf previous]
1760     (list 'menu-item "Previous History Item" 'previous-history-element
1761           :help "Put previous minibuffer history element in the minibuffer")))
1762 \f
1763 ;;;###autoload
1764 ;; This comment is taken from tool-bar.el near
1765 ;; (put 'tool-bar-mode ...)
1766 ;; We want to pretend the menu bar by standard is on, as this will make
1767 ;; customize consider disabling the menu bar a customization, and save
1768 ;; that.  We could do this for real by setting :init-value below, but
1769 ;; that would overwrite disabling the tool bar from X resources.
1770 (put 'menu-bar-mode 'standard-value '(t))
1771
1772 (define-minor-mode menu-bar-mode
1773   "Toggle display of a menu bar on each frame.
1774 This command applies to all frames that exist and frames to be
1775 created in the future.
1776 With a numeric argument, if the argument is positive,
1777 turn on menu bars; otherwise, turn off menu bars."
1778   :init-value nil
1779   :global t
1780   :group 'frames
1781
1782   ;; Make menu-bar-mode and default-frame-alist consistent.
1783   (modify-all-frames-parameters (list (cons 'menu-bar-lines
1784                                             (if menu-bar-mode 1 0))))
1785
1786   ;; Make the message appear when Emacs is idle.  We can not call message
1787   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1788   ;; after this function returns, overwriting any message we do here.
1789   (when (and (interactive-p) (not menu-bar-mode))
1790     (run-with-idle-timer 0 nil 'message
1791                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1792   menu-bar-mode)
1793
1794 (defun toggle-menu-bar-mode-from-frame (&optional arg)
1795   "Toggle menu bar on or off, based on the status of the current frame.
1796 See `menu-bar-mode' for more information."
1797   (interactive (list (or current-prefix-arg 'toggle)))
1798   (if (eq arg 'toggle)
1799       (menu-bar-mode (if (> (frame-parameter nil 'menu-bar-lines) 0) 0 1))
1800     (menu-bar-mode arg)))
1801
1802 (declare-function x-menu-bar-open "term/x-win" (&optional frame))
1803
1804 (defun menu-bar-open (&optional frame)
1805   "Start key navigation of the menu bar in FRAME.
1806
1807 This function decides which method to use to access the menu
1808 depending on FRAME's terminal device.  On X displays, it calls
1809 `x-menu-bar-open'; otherwise it calls `tmm-menubar'.
1810
1811 If FRAME is nil or not given, use the selected frame."
1812   (interactive)
1813   (if (eq window-system 'x)
1814       (x-menu-bar-open frame)
1815     (with-selected-frame (or frame (selected-frame))
1816       (tmm-menubar))))
1817
1818 (global-set-key [f10] 'menu-bar-open)
1819
1820 (provide 'menu-bar)
1821
1822 ;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1823 ;;; menu-bar.el ends here