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 of the License, or
  15 ;; (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.
  24
  25 ;; Avishai Yacobi suggested some menu rearrangements.
  26
  27 ;;; Commentary:
  28
  29 ;;; Code:
  30
  31 ;; Don't clobber an existing menu-bar keymap, to preserve any menu-bar key
  32 ;; definitions made in loaddefs.el.
  33 (or (lookup-key global-map [menu-bar])
  34     (define-key global-map [menu-bar] (make-sparse-keymap "menu-bar")))
  35 (defvar menu-bar-help-menu (make-sparse-keymap "Help"))
  36
  37 ;; Force Help item to come last, after the major mode's own items.
  38 ;; The symbol used to be called `help', but that gets confused with the
  39 ;; help key.
  40 (setq menu-bar-final-items '(help-menu))
  41
  42 (define-key global-map [menu-bar help-menu] (cons "Help" menu-bar-help-menu))
  43 (defvar menu-bar-tools-menu (make-sparse-keymap "Tools"))
  44 (define-key global-map [menu-bar tools] (cons "Tools" menu-bar-tools-menu))
  45 ;; This definition is just to show what this looks like.
  46 ;; It gets modified in place when menu-bar-update-buffers is called.
  47 (defvar global-buffers-menu-map (make-sparse-keymap "Buffers"))
  48 (define-key global-map [menu-bar buffer]
  49   (cons "Buffers" global-buffers-menu-map))
  50 (defvar menu-bar-options-menu (make-sparse-keymap "Options"))
  51 (define-key global-map [menu-bar options]
  52   (cons "Options" menu-bar-options-menu))
  53 (defvar menu-bar-edit-menu (make-sparse-keymap "Edit"))
  54 (define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu))
  55 (defvar menu-bar-file-menu (make-sparse-keymap "File"))
  56 (define-key global-map [menu-bar file] (cons "File" menu-bar-file-menu))
  57
  58 ;; This alias is for compatibility with 19.28 and before.
  59 (defvar menu-bar-files-menu menu-bar-file-menu)
  60
  61 ;; This is referenced by some code below; it is defined in uniquify.el
  62 (defvar uniquify-buffer-name-style)
  63
  64 \f
  65 ;; The "File" menu items
  66 (define-key menu-bar-file-menu [exit-emacs]
  67   '(menu-item "Exit Emacs" save-buffers-kill-emacs
  68               :help "Save unsaved buffers, then exit"))
  69
  70 (define-key menu-bar-file-menu [separator-exit]
  71   '("--"))
  72
  73 ;; Don't use delete-frame as event name because that is a special
  74 ;; event.
  75 (define-key menu-bar-file-menu [delete-this-frame]
  76   '(menu-item "Delete Frame" delete-frame
  77               :visible (fboundp 'delete-frame)
  78               :enable (delete-frame-enabled-p)
  79               :help "Delete currently selected frame"))
  80 (define-key menu-bar-file-menu [make-frame-on-display]
  81   '(menu-item "New Frame on Display..." make-frame-on-display
  82               :visible (fboundp 'make-frame-on-display)
  83               :help "Open a new frame on another display"))
  84 (define-key menu-bar-file-menu [make-frame]
  85   '(menu-item "New Frame" make-frame-command
  86               :visible (fboundp 'make-frame-command)
  87               :help "Open a new frame"))
  88
  89 (define-key menu-bar-file-menu [one-window]
  90   '(menu-item "Remove Splits" delete-other-windows
  91               :enable (not (one-window-p t nil))
  92               :help "Selected window grows to fill the whole frame"))
  93
  94 (define-key menu-bar-file-menu [split-window]
  95   '(menu-item "Split Window" split-window-vertically
  96               :enable (and (menu-bar-menu-frame-live-and-visible-p)
  97                            (menu-bar-non-minibuffer-window-p))
  98               :help "Split selected window in two windows"))
  99
 100 (define-key menu-bar-file-menu [separator-window]
 101   '(menu-item "--"))
 102
 103 (define-key menu-bar-file-menu [ps-print-region]
 104   '(menu-item "Postscript Print Region (B+W)" ps-print-region
 105               :enable mark-active
 106               :help "Pretty-print marked region in black and white to PostScript printer"))
 107 (define-key menu-bar-file-menu [ps-print-buffer]
 108   '(menu-item "Postscript Print Buffer (B+W)" ps-print-buffer
 109               :enable (menu-bar-menu-frame-live-and-visible-p)
 110               :help "Pretty-print current buffer in black and white to PostScript printer"))
 111 (define-key menu-bar-file-menu [ps-print-region-faces]
 112   '(menu-item "Postscript Print Region" ps-print-region-with-faces
 113               :enable mark-active
 114               :help "Pretty-print marked region to PostScript printer"))
 115 (define-key menu-bar-file-menu [ps-print-buffer-faces]
 116   '(menu-item "Postscript Print Buffer" ps-print-buffer-with-faces
 117               :enable (menu-bar-menu-frame-live-and-visible-p)
 118               :help "Pretty-print current buffer to PostScript printer"))
 119 (define-key menu-bar-file-menu [print-region]
 120   '(menu-item "Print Region" print-region
 121               :enable mark-active
 122               :help "Print region between mark and current position"))
 123 (define-key menu-bar-file-menu [print-buffer]
 124   '(menu-item "Print Buffer" print-buffer
 125               :enable (menu-bar-menu-frame-live-and-visible-p)
 126               :help "Print current buffer with page headings"))
 127
 128 (define-key menu-bar-file-menu [separator-print]
 129   '(menu-item "--"))
 130
 131 (define-key menu-bar-file-menu [recover-session]
 132   '(menu-item "Recover Crashed Session" recover-session
 133               :enable (and auto-save-list-file-prefix
 134                            (file-directory-p
 135                             (file-name-directory auto-save-list-file-prefix))
 136                            (directory-files
 137                             (file-name-directory auto-save-list-file-prefix)
 138                             nil
 139                             (concat "\\`"
 140                                     (regexp-quote
 141                                      (file-name-nondirectory
 142                                       auto-save-list-file-prefix)))
 143                             t))
 144               :help "Recover edits from a crashed session"))
 145 (define-key menu-bar-file-menu [revert-buffer]
 146   '(menu-item "Revert Buffer" revert-buffer
 147               :enable (or revert-buffer-function
 148                           revert-buffer-insert-file-contents-function
 149                           (and buffer-file-number
 150                                (or (buffer-modified-p)
 151                                    (not (verify-visited-file-modtime
 152                                          (current-buffer))))))
 153               :help "Re-read current buffer from its file"))
 154 (define-key menu-bar-file-menu [write-file]
 155   '(menu-item "Save As..." write-file
 156               :enable (and (menu-bar-menu-frame-live-and-visible-p)
 157                            (menu-bar-non-minibuffer-window-p))
 158               :help "Write current buffer to another file"))
 159 (define-key menu-bar-file-menu [save-buffer]
 160   '(menu-item "Save" save-buffer
 161               :enable (and (buffer-modified-p)
 162                            (buffer-file-name)
 163                            (menu-bar-non-minibuffer-window-p))
 164               :help "Save current buffer to its file"))
 165
 166 (define-key menu-bar-file-menu [separator-save]
 167   '(menu-item "--"))
 168
 169 (defun menu-find-file-existing ()
 170   "Edit the existing file FILENAME."
 171   (interactive)
 172   (let* ((mustmatch (not (and (fboundp 'x-uses-old-gtk-dialog)
 173                               (x-uses-old-gtk-dialog))))
 174          (filename (car (find-file-read-args "Find file: " mustmatch))))
 175     (if mustmatch
 176         (find-file-existing filename)
 177       (find-file filename))))
 178
 179
 180 (define-key menu-bar-file-menu [kill-buffer]
 181   '(menu-item "Close" kill-this-buffer
 182               :enable (kill-this-buffer-enabled-p)
 183               :help "Discard (kill) current buffer"))
 184 (define-key menu-bar-file-menu [insert-file]
 185   '(menu-item "Insert File..." insert-file
 186               :enable (menu-bar-non-minibuffer-window-p)
 187               :help "Insert another file into current buffer"))
 188 (define-key menu-bar-file-menu [dired]
 189   '(menu-item "Open Directory..." dired
 190               :enable (menu-bar-non-minibuffer-window-p)
 191               :help "Read a directory, to operate on its files"))
 192 (define-key menu-bar-file-menu [open-file]
 193   '(menu-item "Open File..." menu-find-file-existing
 194               :enable (menu-bar-non-minibuffer-window-p)
 195               :help "Read an existing file into an Emacs buffer"))
 196 (define-key menu-bar-file-menu [new-file]
 197   '(menu-item "Visit New File..." find-file
 198               :enable (menu-bar-non-minibuffer-window-p)
 199               :help "Specify a new file's name, to edit the file"))
 200
 201 \f
 202 ;; The "Edit" menu items
 203
 204 ;; The "Edit->Search" submenu
 205 (defvar menu-bar-last-search-type nil
 206   "Type of last non-incremental search command called from the menu.")
 207
 208 (defun nonincremental-repeat-search-forward ()
 209   "Search forward for the previous search string or regexp."
 210   (interactive)
 211   (cond
 212    ((and (eq menu-bar-last-search-type 'string)
 213          search-ring)
 214     (search-forward (car search-ring)))
 215    ((and (eq menu-bar-last-search-type 'regexp)
 216          regexp-search-ring)
 217     (re-search-forward (car regexp-search-ring)))
 218    (t
 219     (error "No previous search"))))
 220
 221 (defun nonincremental-repeat-search-backward ()
 222   "Search backward 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-backward (car search-ring)))
 228    ((and (eq menu-bar-last-search-type 'regexp)
 229          regexp-search-ring)
 230     (re-search-backward (car regexp-search-ring)))
 231    (t
 232     (error "No previous search"))))
 233
 234 (defun nonincremental-search-forward (string)
 235   "Read a string and search for it nonincrementally."
 236   (interactive "sSearch for string: ")
 237   (setq menu-bar-last-search-type 'string)
 238   (if (equal string "")
 239       (search-forward (car search-ring))
 240     (isearch-update-ring string nil)
 241     (search-forward string)))
 242
 243 (defun nonincremental-search-backward (string)
 244   "Read a string and search backward for it nonincrementally."
 245   (interactive "sSearch for string: ")
 246   (setq menu-bar-last-search-type 'string)
 247   (if (equal string "")
 248       (search-backward (car search-ring))
 249     (isearch-update-ring string nil)
 250     (search-backward string)))
 251
 252 (defun nonincremental-re-search-forward (string)
 253   "Read a regular expression and search for it nonincrementally."
 254   (interactive "sSearch for regexp: ")
 255   (setq menu-bar-last-search-type 'regexp)
 256   (if (equal string "")
 257       (re-search-forward (car regexp-search-ring))
 258     (isearch-update-ring string t)
 259     (re-search-forward string)))
 260
 261 (defun nonincremental-re-search-backward (string)
 262   "Read a regular expression and search backward for it nonincrementally."
 263   (interactive "sSearch for regexp: ")
 264   (setq menu-bar-last-search-type 'regexp)
 265   (if (equal string "")
 266       (re-search-backward (car regexp-search-ring))
 267     (isearch-update-ring string t)
 268     (re-search-backward string)))
 269
 270 (defvar menu-bar-search-menu (make-sparse-keymap "Search"))
 271
 272 ;; The Edit->Search->Incremental Search menu
 273 (defvar menu-bar-i-search-menu
 274   (make-sparse-keymap "Incremental Search"))
 275
 276 (define-key menu-bar-i-search-menu [isearch-backward-regexp]
 277   '(menu-item "Backward Regexp..." isearch-backward-regexp
 278               :help "Search backwards for a regular expression as you type it"))
 279 (define-key menu-bar-i-search-menu [isearch-forward-regexp]
 280   '(menu-item "Forward Regexp..." isearch-forward-regexp
 281               :help "Search forward for a regular expression as you type it"))
 282 (define-key menu-bar-i-search-menu [isearch-backward]
 283   '(menu-item "Backward String..." isearch-backward
 284               :help "Search backwards for a string as you type it"))
 285 (define-key menu-bar-i-search-menu [isearch-forward]
 286   '(menu-item "Forward String..." isearch-forward
 287               :help "Search forward for a string as you type it"))
 288
 289
 290 (define-key menu-bar-search-menu [i-search]
 291   (list 'menu-item "Incremental Search" menu-bar-i-search-menu))
 292 (define-key menu-bar-search-menu [separator-tag-isearch]
 293   '(menu-item "--"))
 294
 295 (define-key menu-bar-search-menu [tags-continue]
 296   '(menu-item "Continue Tags Search" tags-loop-continue
 297               :help "Continue last tags search operation"))
 298 (define-key menu-bar-search-menu [tags-srch]
 299   '(menu-item "Search Tagged Files..." tags-search
 300               :help "Search for a regexp in all tagged files"))
 301 (define-key menu-bar-search-menu [separator-tag-search]
 302   '(menu-item "--"))
 303
 304 (define-key menu-bar-search-menu [repeat-search-back]
 305   '(menu-item "Repeat Backwards" nonincremental-repeat-search-backward
 306               :enable (or (and (eq menu-bar-last-search-type 'string)
 307                                search-ring)
 308                           (and (eq menu-bar-last-search-type 'regexp)
 309                                regexp-search-ring))
 310               :help "Repeat last search backwards"))
 311 (define-key menu-bar-search-menu [repeat-search-fwd]
 312   '(menu-item "Repeat Forward" nonincremental-repeat-search-forward
 313               :enable (or (and (eq menu-bar-last-search-type 'string)
 314                                search-ring)
 315                           (and (eq menu-bar-last-search-type 'regexp)
 316                                regexp-search-ring))
 317               :help "Repeat last search forward"))
 318 (define-key menu-bar-search-menu [separator-repeat-search]
 319   '(menu-item "--"))
 320
 321 (define-key menu-bar-search-menu [re-search-backward]
 322   '(menu-item "Regexp Backwards..." nonincremental-re-search-backward
 323               :help "Search backwards for a regular expression"))
 324 (define-key menu-bar-search-menu [re-search-forward]
 325   '(menu-item "Regexp Forward..." nonincremental-re-search-forward
 326               :help "Search forward for a regular expression"))
 327
 328 (define-key menu-bar-search-menu [search-backward]
 329   '(menu-item "String Backwards..." nonincremental-search-backward
 330               :help "Search backwards for a string"))
 331 (define-key menu-bar-search-menu [search-forward]
 332   '(menu-item "String Forward..." nonincremental-search-forward
 333               :help "Search forward for a string"))
 334
 335 ;; The Edit->Replace submenu
 336
 337 (defvar menu-bar-replace-menu (make-sparse-keymap "Replace"))
 338
 339 (define-key menu-bar-replace-menu [tags-repl-continue]
 340   '(menu-item "Continue Replace" tags-loop-continue
 341               :help "Continue last tags replace operation"))
 342 (define-key menu-bar-replace-menu [tags-repl]
 343   '(menu-item "Replace in Tagged Files..." tags-query-replace
 344               :help "Interactively replace a regexp in all tagged files"))
 345 (define-key menu-bar-replace-menu [separator-replace-tags]
 346   '(menu-item "--"))
 347
 348 (define-key menu-bar-replace-menu [query-replace-regexp]
 349   '(menu-item "Replace Regexp..." query-replace-regexp
 350               :enable (not buffer-read-only)
 351               :help "Replace regular expression interactively, ask about each occurrence"))
 352 (define-key menu-bar-replace-menu [query-replace]
 353   '(menu-item "Replace String..." query-replace
 354               :enable (not buffer-read-only)
 355               :help "Replace string interactively, ask about each occurrence"))
 356
 357 ;;; Assemble the top-level Edit menu items.
 358 (define-key menu-bar-edit-menu [props]
 359   '(menu-item "Text Properties" facemenu-menu))
 360
 361 (define-key menu-bar-edit-menu [fill]
 362   '(menu-item "Fill" fill-region
 363               :enable (and mark-active (not buffer-read-only))
 364               :help
 365               "Fill text in region to fit between left and right margin"))
 366
 367 (define-key menu-bar-edit-menu [separator-bookmark]
 368   '(menu-item "--"))
 369
 370 (define-key menu-bar-edit-menu [bookmark]
 371   '(menu-item "Bookmarks" menu-bar-bookmark-map))
 372
 373 (defvar menu-bar-goto-menu (make-sparse-keymap "Go To"))
 374
 375 (define-key menu-bar-goto-menu [set-tags-name]
 376   '(menu-item "Set Tags File Name..." visit-tags-table
 377               :help "Tell Tags commands which tag table file to use"))
 378
 379 (define-key menu-bar-goto-menu [separator-tag-file]
 380   '(menu-item "--"))
 381
 382 (define-key menu-bar-goto-menu [apropos-tags]
 383   '(menu-item "Tags Apropos..." tags-apropos
 384               :help "Find function/variables whose names match regexp"))
 385 (define-key menu-bar-goto-menu [next-tag-otherw]
 386   '(menu-item "Next Tag in Other Window"
 387               menu-bar-next-tag-other-window
 388               :enable (and (boundp 'tags-location-ring)
 389                            (not (ring-empty-p tags-location-ring)))
 390               :help "Find next function/variable matching last tag name in another window"))
 391
 392 (defun menu-bar-next-tag-other-window ()
 393   "Find the next definition of the tag already specified."
 394   (interactive)
 395   (find-tag-other-window nil t))
 396
 397 (defun menu-bar-next-tag ()
 398   "Find the next definition of the tag already specified."
 399   (interactive)
 400   (find-tag nil t))
 401
 402 (define-key menu-bar-goto-menu [next-tag]
 403   '(menu-item "Find Next Tag"
 404               menu-bar-next-tag
 405               :enable (and (boundp 'tags-location-ring)
 406                            (not (ring-empty-p tags-location-ring)))
 407               :help "Find next function/variable matching last tag name"))
 408 (define-key menu-bar-goto-menu [find-tag-otherw]
 409   '(menu-item "Find Tag in Other Window..." find-tag-other-window
 410               :help "Find function/variable definition in another window"))
 411 (define-key menu-bar-goto-menu [find-tag]
 412   '(menu-item "Find Tag..." find-tag
 413               :help "Find definition of function or variable"))
 414
 415 (define-key menu-bar-goto-menu [separator-tags]
 416   '(menu-item "--"))
 417
 418 (define-key menu-bar-goto-menu [end-of-buf]
 419   '(menu-item "Goto End of Buffer" end-of-buffer))
 420 (define-key menu-bar-goto-menu [beg-of-buf]
 421   '(menu-item "Goto Beginning of Buffer" beginning-of-buffer))
 422 (define-key menu-bar-goto-menu [go-to-pos]
 423   '(menu-item "Goto Buffer Position..." goto-char
 424               :help "Read a number N and go to buffer position N"))
 425 (define-key menu-bar-goto-menu [go-to-line]
 426   '(menu-item "Goto Line..." goto-line
 427               :help "Read a line number and go to that line"))
 428
 429 (define-key menu-bar-edit-menu [goto]
 430   (list 'menu-item "Go To" menu-bar-goto-menu))
 431
 432 (define-key menu-bar-edit-menu [replace]
 433   (list 'menu-item "Replace" menu-bar-replace-menu))
 434
 435 (define-key menu-bar-edit-menu [search]
 436   (list 'menu-item "Search" menu-bar-search-menu))
 437
 438 (define-key menu-bar-edit-menu [separator-search]
 439   '(menu-item "--"))
 440
 441 (define-key menu-bar-edit-menu [mark-whole-buffer]
 442   '(menu-item "Select All" mark-whole-buffer
 443               :help "Mark the whole buffer for a subsequent cut/copy."))
 444 (define-key menu-bar-edit-menu [clear]
 445   '(menu-item "Clear" delete-region
 446               :enable (and mark-active
 447                            (not buffer-read-only)
 448                            (not (mouse-region-match)))
 449               :help
 450               "Delete the text in region between mark and current position"))
 451 (defvar yank-menu (cons "Select Yank" nil))
 452 (fset 'yank-menu (cons 'keymap yank-menu))
 453 (define-key menu-bar-edit-menu [paste-from-menu]
 454   '(menu-item "Paste from kill menu" yank-menu
 455               :enable (and (cdr yank-menu) (not buffer-read-only))
 456               :help "Choose a string from the kill ring and paste it"))
 457 (define-key menu-bar-edit-menu [paste]
 458   '(menu-item "Paste" yank
 459               :enable (and
 460                        ;; Emacs compiled --without-x doesn't have
 461                        ;; x-selection-exists-p.
 462                        (fboundp 'x-selection-exists-p)
 463                        (x-selection-exists-p) (not buffer-read-only))
 464               :help "Paste (yank) text most recently cut/copied"))
 465 (define-key menu-bar-edit-menu [copy]
 466   '(menu-item "Copy" menu-bar-kill-ring-save
 467               :enable mark-active
 468               :help "Copy text in region between mark and current position"
 469               :keys "\\[kill-ring-save]"))
 470 (define-key menu-bar-edit-menu [cut]
 471   '(menu-item "Cut" kill-region
 472               :enable (and mark-active (not buffer-read-only))
 473               :help
 474               "Cut (kill) text in region between mark and current position"))
 475 (define-key menu-bar-edit-menu [undo]
 476   '(menu-item "Undo" undo
 477               :enable (and (not buffer-read-only)
 478                            (not (eq t buffer-undo-list))
 479                            (if (eq last-command 'undo)
 480                                (listp pending-undo-list)
 481                              (consp buffer-undo-list)))
 482               :help "Undo last operation"))
 483
 484
 485 (defun menu-bar-kill-ring-save (beg end)
 486   (interactive "r")
 487   (if (mouse-region-match)
 488       (message "Selecting a region with the mouse does `copy' automatically")
 489     (kill-ring-save beg end)))
 490
 491 ;; These are alternative definitions for the cut, paste and copy
 492 ;; menu items.  Use them if your system expects these to use the clipboard.
 493
 494 (put 'clipboard-kill-region 'menu-enable
 495      '(and mark-active (not buffer-read-only)))
 496 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 497 (put 'clipboard-yank 'menu-enable
 498      '(and (or (and (fboundp 'x-selection-exists-p)
 499                     (x-selection-exists-p))
 500                (x-selection-exists-p 'CLIPBOARD))
 501            (not buffer-read-only)))
 502
 503 (defun clipboard-yank ()
 504   "Insert the clipboard contents, or the last stretch of killed text."
 505   (interactive "*")
 506   (let ((x-select-enable-clipboard t))
 507     (yank)))
 508
 509 (defun clipboard-kill-ring-save (beg end)
 510   "Copy region to kill ring, and save in the X clipboard."
 511   (interactive "r")
 512   (let ((x-select-enable-clipboard t))
 513     (kill-ring-save beg end)))
 514
 515 (defun clipboard-kill-region (beg end)
 516   "Kill the region, and save it in the X clipboard."
 517   (interactive "r")
 518   (let ((x-select-enable-clipboard t))
 519     (kill-region beg end)))
 520
 521 (defun menu-bar-enable-clipboard ()
 522   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 523 Do the same for the keys of the same name."
 524   (interactive)
 525   ;; We can't use constant list structure here because it becomes pure,
 526   ;; and because it gets modified with cache data.
 527   (define-key menu-bar-edit-menu [paste]
 528     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 529   (define-key menu-bar-edit-menu [copy]
 530     (cons "Copy" (cons "Copy text in region to the clipboard"
 531                        'clipboard-kill-ring-save)))
 532   (define-key menu-bar-edit-menu [cut]
 533     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 534                       'clipboard-kill-region)))
 535
 536   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 537   ;; (also for XFree86 on Sun keyboard):
 538   (define-key global-map [f20] 'clipboard-kill-region)
 539   (define-key global-map [f16] 'clipboard-kill-ring-save)
 540   (define-key global-map [f18] 'clipboard-yank)
 541   ;; X11R6 versions:
 542   (define-key global-map [cut] 'clipboard-kill-region)
 543   (define-key global-map [copy] 'clipboard-kill-ring-save)
 544   (define-key global-map [paste] 'clipboard-yank))
 545 \f
 546 ;; The "Options" menu items
 547
 548 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 549
 550 (define-key menu-bar-custom-menu [customize-apropos-groups]
 551   '(menu-item "Groups Matching Regexp..." customize-apropos-groups
 552               :help "Browse groups whose names match regexp"))
 553 (define-key menu-bar-custom-menu [customize-apropos-faces]
 554   '(menu-item "Faces Matching Regexp..." customize-apropos-faces
 555               :help "Browse faces whose names match regexp"))
 556 (define-key menu-bar-custom-menu [customize-apropos-options]
 557   '(menu-item "Options Matching Regexp..." customize-apropos-options
 558               :help "Browse options whose names match regexp"))
 559 (define-key menu-bar-custom-menu [customize-apropos]
 560   '(menu-item "Settings Matching Regexp..." customize-apropos
 561               :help "Browse customizable settings whose names match regexp"))
 562 (define-key menu-bar-custom-menu [separator-1]
 563   '("--"))
 564 (define-key menu-bar-custom-menu [customize-group]
 565   '(menu-item "Specific Group..." customize-group
 566               :help "Customize settings of specific group"))
 567 (define-key menu-bar-custom-menu [customize-face]
 568   '(menu-item "Specific Face..." customize-face
 569               :help "Customize attributes of specific face"))
 570 (define-key menu-bar-custom-menu [customize-option]
 571   '(menu-item "Specific Option..." customize-option
 572               :help "Customize value of specific option"))
 573 (define-key menu-bar-custom-menu [separator-2]
 574   '("--"))
 575 (define-key menu-bar-custom-menu [customize-changed-options]
 576   '(menu-item "New Options..." customize-changed-options
 577               :help "Options added or changed in recent Emacs versions"))
 578 (define-key menu-bar-custom-menu [customize-saved]
 579   '(menu-item "Saved Options" customize-saved
 580               :help "Customize previously saved options"))
 581 (define-key menu-bar-custom-menu [separator-3]
 582   '("--"))
 583 (define-key menu-bar-custom-menu [customize-browse]
 584   '(menu-item "Browse Customization Groups" customize-browse
 585               :help "Browse all customization groups"))
 586 (define-key menu-bar-custom-menu [customize]
 587   '(menu-item "Top-level Customization Group" customize
 588               :help "The master group called `Emacs'"))
 589
 590 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 591
 592 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 593   "Make a menu-item for a global minor mode toggle.
 594 FNAME is the minor mode's name (variable and function).
 595 DOC is the text to use for the menu entry.
 596 HELP is the text to use for the tooltip.
 597 PROPS are additional properties."
 598   `'(menu-item ,doc ,fname
 599      ,@props
 600      :help ,help
 601      :button (:toggle . (and (default-boundp ',fname)
 602                              (default-value ',fname)))))
 603
 604 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 605   `(progn
 606      (defun ,name (&optional interactively)
 607        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 608                 (substring help 1) ".
 609 In an interactive call, record this option as a candidate for saving
 610 by \"Save Options\" in Custom buffers.")
 611        (interactive "p")
 612        (if ,(if body `(progn . ,body)
 613               `(progn
 614                  (custom-load-symbol ',variable)
 615                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 616                        (get (or (get ',variable 'custom-get) 'default-value)))
 617                    (funcall set ',variable (not (funcall get ',variable))))))
 618            (message ,message "enabled globally")
 619          (message ,message "disabled globally"))
 620        ;; The function `customize-mark-as-set' must only be called when
 621        ;; a variable is set interactively, as the purpose is to mark it as
 622        ;; a candidate for "Save Options", and we do not want to save options
 623        ;; the user have already set explicitly in his init file.
 624        (if interactively (customize-mark-as-set ',variable)))
 625      '(menu-item ,doc ,name
 626                  :help ,help
 627                  :button (:toggle . (and (default-boundp ',variable)
 628                                          (default-value ',variable))))))
 629
 630 ;;; Assemble all the top-level items of the "Options" menu
 631 (define-key menu-bar-options-menu [customize]
 632   (list 'menu-item "Customize Emacs" menu-bar-custom-menu))
 633
 634 (defun menu-bar-options-save ()
 635   "Save current values of Options menu items using Custom."
 636   (interactive)
 637   (let ((need-save nil))
 638     ;; These are set with menu-bar-make-mm-toggle, which does not
 639     ;; put on a customized-value property.
 640     (dolist (elt '(line-number-mode column-number-mode size-indication-mode
 641                    cua-mode show-paren-mode transient-mark-mode
 642                    blink-cursor-mode display-time-mode display-battery-mode))
 643       (and (customize-mark-to-save elt)
 644            (setq need-save t)))
 645     ;; These are set with `customize-set-variable'.
 646     (dolist (elt '(scroll-bar-mode
 647                    debug-on-quit debug-on-error
 648                    tooltip-mode menu-bar-mode tool-bar-mode
 649                    save-place uniquify-buffer-name-style fringe-mode
 650                    indicate-empty-lines indicate-buffer-boundaries
 651                    case-fold-search
 652                    current-language-environment default-input-method
 653                    ;; Saving `text-mode-hook' is somewhat questionable,
 654                    ;; as we might get more than we bargain for, if
 655                    ;; other code may has added hooks as well.
 656                    ;; Nonetheless, not saving it would like be confuse
 657                    ;; more often.
 658                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 659                    text-mode-hook))
 660       (and (get elt 'customized-value)
 661            (customize-mark-to-save elt)
 662            (setq need-save t)))
 663     ;; Save if we changed anything.
 664     (when need-save
 665       (custom-save-all))))
 666
 667 (define-key menu-bar-options-menu [save]
 668   '(menu-item "Save Options" menu-bar-options-save
 669               :help "Save options set from the menu above"))
 670
 671 (define-key menu-bar-options-menu [custom-separator]
 672   '("--"))
 673
 674 (define-key menu-bar-options-menu [mouse-set-font]
 675   '(menu-item "Set Font/Fontset..." mouse-set-font
 676                :visible (display-multi-font-p)
 677                :help "Select a font from list of known fonts/fontsets"))
 678
 679 ;; The "Show/Hide" submenu of menu "Options"
 680
 681 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 682
 683 (define-key menu-bar-showhide-menu [column-number-mode]
 684   (menu-bar-make-mm-toggle column-number-mode
 685                            "Column Numbers"
 686                            "Show the current column number in the mode line"))
 687
 688 (define-key menu-bar-showhide-menu [line-number-mode]
 689   (menu-bar-make-mm-toggle line-number-mode
 690                            "Line Numbers"
 691                            "Show the current line number in the mode line"))
 692
 693 (define-key menu-bar-showhide-menu [size-indication-mode]
 694   (menu-bar-make-mm-toggle size-indication-mode
 695                            "Size Indication"
 696                            "Show the size of the buffer in the mode line"))
 697
 698 (define-key menu-bar-showhide-menu [linecolumn-separator]
 699   '("--"))
 700
 701 (define-key menu-bar-showhide-menu [showhide-battery]
 702   (menu-bar-make-mm-toggle display-battery-mode
 703                            "Battery Status"
 704                            "Display battery status information in mode line"))
 705
 706 (define-key menu-bar-showhide-menu [showhide-date-time]
 707   (menu-bar-make-mm-toggle display-time-mode
 708                            "Time, Load and Mail"
 709                            "Display time, system load averages and \
 710 mail status in mode line"))
 711
 712 (define-key menu-bar-showhide-menu [datetime-separator]
 713   '("--"))
 714
 715 (define-key menu-bar-showhide-menu [showhide-speedbar]
 716   '(menu-item "Speedbar" speedbar-frame-mode
 717               :help "Display a Speedbar quick-navigation frame"
 718               :button (:toggle
 719                        . (and (boundp 'speedbar-frame)
 720                               (frame-live-p (symbol-value 'speedbar-frame))
 721                               (frame-visible-p
 722                                (symbol-value 'speedbar-frame))))))
 723
 724 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 725
 726 (defvar menu-bar-showhide-fringe-ind-menu
 727   (make-sparse-keymap "Buffer boundaries"))
 728
 729 (defun menu-bar-showhide-fringe-ind-customize ()
 730   "Show customization buffer for `indicate-buffer-boundaries'."
 731   (interactive)
 732   (customize-variable 'indicate-buffer-boundaries))
 733
 734 (define-key menu-bar-showhide-fringe-ind-menu [customize]
 735   '(menu-item "Other (Customize)"
 736               menu-bar-showhide-fringe-ind-customize
 737               :help "Additional choices available through Custom buffer"
 738               :visible (display-graphic-p)
 739               :button (:radio . (not (member indicate-buffer-boundaries
 740                                              '(nil left right
 741                                                ((top . left) (bottom . right))
 742                                                ((t . right) (top . left))))))))
 743
 744 (defun menu-bar-showhide-fringe-ind-mixed ()
 745   "Display top and bottom indicators in opposite fringes, arrows in right."
 746   (interactive)
 747   (customize-set-variable 'indicate-buffer-boundaries
 748                           '((t . right) (top . left))))
 749
 750 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 751   '(menu-item "Opposite, Arrows Right" menu-bar-showhide-fringe-ind-mixed
 752               :help
 753               "Show top/bottom indicators in opposite fringes, arrows in right"
 754               :visible (display-graphic-p)
 755               :button (:radio . (equal indicate-buffer-boundaries
 756                                        '((t . right) (top . left))))))
 757
 758 (defun menu-bar-showhide-fringe-ind-box ()
 759   "Display top and bottom indicators in opposite fringes."
 760   (interactive)
 761   (customize-set-variable 'indicate-buffer-boundaries
 762                           '((top . left) (bottom . right))))
 763
 764 (define-key menu-bar-showhide-fringe-ind-menu [box]
 765   '(menu-item "Opposite, No Arrows" menu-bar-showhide-fringe-ind-box
 766               :help "Show top/bottom indicators in opposite fringes, no arrows"
 767               :visible (display-graphic-p)
 768               :button (:radio . (equal indicate-buffer-boundaries
 769                                        '((top . left) (bottom . right))))))
 770
 771 (defun menu-bar-showhide-fringe-ind-right ()
 772   "Display buffer boundaries and arrows in the right fringe."
 773   (interactive)
 774   (customize-set-variable 'indicate-buffer-boundaries 'right))
 775
 776 (define-key menu-bar-showhide-fringe-ind-menu [right]
 777   '(menu-item "In Right Fringe" menu-bar-showhide-fringe-ind-right
 778               :help "Show buffer boundaries and arrows in right fringe"
 779               :visible (display-graphic-p)
 780               :button (:radio . (eq indicate-buffer-boundaries 'right))))
 781
 782 (defun menu-bar-showhide-fringe-ind-left ()
 783   "Display buffer boundaries and arrows in the left fringe."
 784   (interactive)
 785   (customize-set-variable 'indicate-buffer-boundaries 'left))
 786
 787 (define-key menu-bar-showhide-fringe-ind-menu [left]
 788   '(menu-item "In Left Fringe" menu-bar-showhide-fringe-ind-left
 789               :help "Show buffer boundaries and arrows in left fringe"
 790               :visible (display-graphic-p)
 791               :button (:radio . (eq indicate-buffer-boundaries 'left))))
 792
 793 (defun menu-bar-showhide-fringe-ind-none ()
 794   "Do not display any buffer boundary indicators."
 795   (interactive)
 796   (customize-set-variable 'indicate-buffer-boundaries nil))
 797
 798 (define-key menu-bar-showhide-fringe-ind-menu [none]
 799   '(menu-item "No Indicators" menu-bar-showhide-fringe-ind-none
 800               :help "Hide all buffer boundary indicators and arrows"
 801               :visible (display-graphic-p)
 802               :button (:radio . (eq indicate-buffer-boundaries nil))))
 803
 804 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 805   (list 'menu-item "Buffer Boundaries" menu-bar-showhide-fringe-ind-menu
 806         :visible `(display-graphic-p)
 807         :help "Indicate buffer boundaries in fringe"))
 808
 809 (define-key menu-bar-showhide-fringe-menu [indicate-empty-lines]
 810   (menu-bar-make-toggle toggle-indicate-empty-lines indicate-empty-lines
 811                         "Empty Line Indicators"
 812                         "Indicating of empty lines %s"
 813                         "Indicate trailing empty lines in fringe, globally"))
 814
 815 (defun menu-bar-showhide-fringe-menu-customize ()
 816   "Show customization buffer for `fringe-mode'."
 817   (interactive)
 818   (customize-variable 'fringe-mode))
 819
 820 (define-key menu-bar-showhide-fringe-menu [customize]
 821   '(menu-item "Customize Fringe" menu-bar-showhide-fringe-menu-customize
 822               :help "Detailed customization of fringe"
 823               :visible (display-graphic-p)))
 824
 825 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 826   "Reset the fringe mode: display fringes on both sides of a window."
 827   (interactive)
 828   (customize-set-variable 'fringe-mode nil))
 829
 830 (define-key menu-bar-showhide-fringe-menu [default]
 831   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 832               :help "Default width fringe on both left and right side"
 833               :visible (display-graphic-p)
 834               :button (:radio . (eq fringe-mode nil))))
 835
 836 (defun menu-bar-showhide-fringe-menu-customize-right ()
 837   "Display fringes only on the right of each window."
 838   (interactive)
 839   (require 'fringe)
 840   (customize-set-variable 'fringe-mode '(0 . nil)))
 841
 842 (define-key menu-bar-showhide-fringe-menu [right]
 843   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 844               :help "Fringe only on the right side"
 845               :visible (display-graphic-p)
 846               :button (:radio . (equal fringe-mode '(0 . nil)))))
 847
 848 (defun menu-bar-showhide-fringe-menu-customize-left ()
 849   "Display fringes only on the left of each window."
 850   (interactive)
 851   (require 'fringe)
 852   (customize-set-variable 'fringe-mode '(nil . 0)))
 853
 854 (define-key menu-bar-showhide-fringe-menu [left]
 855   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 856               :help "Fringe only on the left side"
 857               :visible (display-graphic-p)
 858               :button (:radio . (equal fringe-mode '(nil . 0)))))
 859
 860 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 861   "Do not display window fringes."
 862   (interactive)
 863   (require 'fringe)
 864   (customize-set-variable 'fringe-mode 0))
 865
 866 (define-key menu-bar-showhide-fringe-menu [none]
 867   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 868               :help "Turn off fringe"
 869               :visible (display-graphic-p)
 870               :button (:radio . (eq fringe-mode 0))))
 871
 872 (define-key menu-bar-showhide-menu [showhide-fringe]
 873   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 874         :visible `(display-graphic-p)))
 875
 876 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 877
 878 (define-key menu-bar-showhide-scroll-bar-menu [right]
 879   '(menu-item "On the Right"
 880               menu-bar-right-scroll-bar
 881               :help "Scroll-bar on the right side"
 882               :visible (display-graphic-p)
 883               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 884                                                (frame-parameters))) 'right))))
 885 (defun menu-bar-right-scroll-bar ()
 886   "Display scroll bars on the right of each window."
 887   (interactive)
 888   (customize-set-variable 'scroll-bar-mode 'right))
 889
 890 (define-key menu-bar-showhide-scroll-bar-menu [left]
 891   '(menu-item "On the Left"
 892               menu-bar-left-scroll-bar
 893               :help "Scroll-bar on the left side"
 894               :visible (display-graphic-p)
 895               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 896                                                (frame-parameters))) 'left))))
 897
 898 (defun menu-bar-left-scroll-bar ()
 899   "Display scroll bars on the left of each window."
 900   (interactive)
 901   (customize-set-variable 'scroll-bar-mode 'left))
 902
 903 (define-key menu-bar-showhide-scroll-bar-menu [none]
 904   '(menu-item "None"
 905               menu-bar-no-scroll-bar
 906               :help "Turn off scroll-bar"
 907               :visible (display-graphic-p)
 908               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 909                                                (frame-parameters))) nil))))
 910
 911 (defun menu-bar-no-scroll-bar ()
 912   "Turn off scroll bars."
 913   (interactive)
 914   (customize-set-variable 'scroll-bar-mode nil))
 915
 916 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 917   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 918         :visible `(display-graphic-p)))
 919
 920 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 921   (list 'menu-item "Tooltips" 'tooltip-mode
 922         :help "Turn tooltips on/off"
 923         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 924         :button `(:toggle . tooltip-mode)))
 925
 926 (define-key menu-bar-showhide-menu [menu-bar-mode]
 927   '(menu-item "Menu-bar" toggle-menu-bar-mode-from-frame
 928               :help "Turn menu-bar on/off"
 929               :button (:toggle . (> (frame-parameter nil 'menu-bar-lines) 0))))
 930
 931 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 932   (list 'menu-item "Tool-bar" 'toggle-tool-bar-mode-from-frame
 933         :help "Toggle tool-bar on/off"
 934         :visible `(display-graphic-p)
 935         :button `(:toggle . (> (frame-parameter nil 'tool-bar-lines) 0))))
 936
 937 (define-key menu-bar-options-menu [showhide]
 938   (list 'menu-item "Show/Hide" menu-bar-showhide-menu))
 939
 940 (define-key menu-bar-options-menu [showhide-separator]
 941   '("--"))
 942
 943 (define-key menu-bar-options-menu [mule]
 944   ;; It is better not to use backquote here,
 945   ;; because that makes a bootstrapping problem
 946   ;; if you need to recompile all the Lisp files using interpreted code.
 947   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 948 ;; Most of the MULE menu actually does make sense in unibyte mode,
 949 ;; e.g. language selection.
 950 ;;;     ':visible 'default-enable-multibyte-characters
 951         ))
 952 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 953 ;(define-key menu-bar-options-menu [preferences]
 954 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 955 ;       :help "Toggle important global options"))
 956
 957 (define-key menu-bar-options-menu [mule-separator]
 958   '("--"))
 959
 960 (define-key menu-bar-options-menu [debug-on-quit]
 961   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 962                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 963                         "Enter Lisp debugger when C-g is pressed"))
 964 (define-key menu-bar-options-menu [debug-on-error]
 965   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 966                         "Enter Debugger on Error" "Debug on Error %s"
 967                         "Enter Lisp debugger when an error is signaled"))
 968 (define-key menu-bar-options-menu [debugger-separator]
 969   '("--"))
 970
 971 (define-key menu-bar-options-menu [blink-cursor-mode]
 972   (menu-bar-make-mm-toggle blink-cursor-mode
 973                            "Blinking Cursor"
 974                            "Whether the cursor blinks (Blink Cursor mode)"))
 975 (define-key menu-bar-options-menu [cursor-separator]
 976   '("--"))
 977
 978 (define-key menu-bar-options-menu [save-place]
 979   (menu-bar-make-toggle toggle-save-place-globally save-place
 980                         "Save Place in Files between Sessions"
 981                         "Saving place in files %s"
 982                         "Visit files of previous session when restarting Emacs"
 983                         (require 'saveplace)
 984                         ;; Do it by name, to avoid a free-variable
 985                         ;; warning during byte compilation.
 986                         (set-default
 987                          'save-place (not (symbol-value 'save-place)))))
 988
 989 (define-key menu-bar-options-menu [uniquify]
 990   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
 991                         "Use Directory Names in Buffer Names"
 992                         "Directory name in buffer names (uniquify) %s"
 993                         "Uniquify buffer names by adding parent directory names"
 994                         (require 'uniquify)
 995                         (setq uniquify-buffer-name-style
 996                               (if (not uniquify-buffer-name-style)
 997                                   'forward))))
 998
 999 (define-key menu-bar-options-menu [edit-options-separator]
1000   '("--"))
1001 (define-key menu-bar-options-menu [cua-mode]
1002   (menu-bar-make-mm-toggle cua-mode
1003                            "C-x/C-c/C-v Cut and Paste (CUA)"
1004                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"
1005                            (:visible (or (not (boundp 'cua-enable-cua-keys))
1006                                          cua-enable-cua-keys))))
1007
1008 (define-key menu-bar-options-menu [cua-emulation-mode]
1009   (menu-bar-make-mm-toggle cua-mode
1010                            "Shift movement mark region (CUA)"
1011                            "Use shifted movement keys to set and extend the region."
1012                            (:visible (and (boundp 'cua-enable-cua-keys)
1013                                           (not cua-enable-cua-keys)))))
1014
1015 (define-key menu-bar-options-menu [case-fold-search]
1016   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1017             "Case-Insensitive Search"
1018             "Case-Insensitive Search %s"
1019             "Globally ignore letter-case in search"))
1020
1021 (defun menu-bar-text-mode-auto-fill ()
1022   (interactive)
1023   (toggle-text-mode-auto-fill)
1024   ;; This is somewhat questionable, as `text-mode-hook'
1025   ;; might have changed outside customize.
1026   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1027   (customize-mark-as-set 'text-mode-hook))
1028
1029 (define-key menu-bar-options-menu [auto-fill-mode]
1030   '(menu-item "Word Wrap in Text Modes"
1031               menu-bar-text-mode-auto-fill
1032               :help "Automatically fill text between left and right margins (Auto Fill)"
1033               :button (:toggle . (if (listp text-mode-hook)
1034                                      (member 'turn-on-auto-fill text-mode-hook)
1035                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1036 (define-key menu-bar-options-menu [truncate-lines]
1037   '(menu-item "Truncate Long Lines in this Buffer"
1038               toggle-truncate-lines
1039               :help "Truncate long lines on the screen"
1040               :button (:toggle . (if (or (window-full-width-p)
1041                                          (not truncate-partial-width-windows))
1042                                      truncate-lines
1043                                    truncate-partial-width-windows))
1044               :enable (and (menu-bar-menu-frame-live-and-visible-p)
1045                            (or (window-full-width-p)
1046                                (not truncate-partial-width-windows)))))
1047
1048 (define-key menu-bar-options-menu [highlight-separator]
1049   '("--"))
1050 (define-key menu-bar-options-menu [highlight-paren-mode]
1051   (menu-bar-make-mm-toggle show-paren-mode
1052                            "Paren Match Highlighting"
1053                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1054 (define-key menu-bar-options-menu [transient-mark-mode]
1055   (menu-bar-make-mm-toggle transient-mark-mode
1056                            "Active Region Highlighting"
1057                            "Make text in active region stand out in color (Transient Mark mode)"
1058                            (:enable (not cua-mode))))
1059
1060 \f
1061 ;; The "Tools" menu items
1062
1063 (defun send-mail-item-name ()
1064   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1065                                      (mh-e-user-agent . "MH")
1066                                      (message-user-agent . "Gnus Message")
1067                                      (gnus-user-agent . "Gnus")))
1068          (name (assq mail-user-agent known-send-mail-commands)))
1069     (if name
1070         (setq name (cdr name))
1071       (setq name (symbol-name mail-user-agent))
1072       (if (string-match "\\(.+\\)-user-agent" name)
1073           (setq name (match-string 1 name))))
1074     name))
1075
1076 (defun read-mail-item-name ()
1077   (let* ((known-rmail-commands '((rmail . "RMAIL")
1078                                  (mh-rmail . "MH")
1079                                  (gnus . "Gnus")))
1080          (known (assq read-mail-command known-rmail-commands)))
1081     (if known (cdr known) (symbol-name read-mail-command))))
1082
1083 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1084
1085 (define-key menu-bar-tools-menu [games]
1086   (list 'menu-item "Games" menu-bar-games-menu))
1087
1088 (define-key menu-bar-tools-menu [separator-games]
1089   '("--"))
1090
1091 (define-key menu-bar-games-menu [zone]
1092   '(menu-item "Zone Out"  zone
1093               :help "Play tricks with Emacs display when Emacs is idle"))
1094 (define-key menu-bar-games-menu [tetris]
1095   '(menu-item "Tetris"  tetris
1096               :help "Falling blocks game"))
1097 (define-key menu-bar-games-menu [solitaire]
1098   '(menu-item "Solitaire"  solitaire
1099               :help "Get rid of all the stones"))
1100 (define-key menu-bar-games-menu [snake]
1101   '(menu-item "Snake"  snake
1102               :help "Move snake around avoiding collisions"))
1103 (define-key menu-bar-games-menu [pong]
1104   '(menu-item "Pong" pong
1105               :help "Bounce the ball to your opponent"))
1106 (define-key menu-bar-games-menu [mult]
1107   '(menu-item "Multiplication Puzzle"  mpuz
1108               :help "Exercise brain with multiplication"))
1109 (define-key menu-bar-games-menu [life]
1110   '(menu-item "Life"  life
1111               :help "Watch how John Conway's cellular automaton evolves"))
1112 (define-key menu-bar-games-menu [hanoi]
1113   '(menu-item "Towers of Hanoi" hanoi
1114               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1115 (define-key menu-bar-games-menu [gomoku]
1116   '(menu-item "Gomoku"  gomoku
1117               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1118 (define-key menu-bar-games-menu [bubbles]
1119   '(menu-item "Bubbles" bubbles
1120               :help "Remove all bubbles using the fewest moves"))
1121 (define-key menu-bar-games-menu [black-box]
1122   '(menu-item "Blackbox"  blackbox
1123               :help "Find balls in a black box by shooting rays"))
1124 (define-key menu-bar-games-menu [adventure]
1125   '(menu-item "Adventure"  dunnet
1126               :help "Dunnet, a text Adventure game for Emacs"))
1127 (define-key menu-bar-games-menu [5x5]
1128   '(menu-item "5x5" 5x5
1129               :help "Fill in all the squares on a 5x5 board"))
1130
1131 (defvar menu-bar-encryption-decryption-menu
1132   (make-sparse-keymap "Encryption/Decryption"))
1133
1134 (define-key menu-bar-tools-menu [encryption-decryption]
1135   (list 'menu-item "Encryption/Decryption" menu-bar-encryption-decryption-menu))
1136
1137 (define-key menu-bar-tools-menu [separator-encryption-decryption]
1138   '("--"))
1139
1140 (define-key menu-bar-encryption-decryption-menu [insert-keys]
1141   '(menu-item "Insert Keys" epa-insert-keys
1142               :help "Insert public keys after the current point"))
1143
1144 (define-key menu-bar-encryption-decryption-menu [export-keys]
1145   '(menu-item "Export Keys" epa-export-keys
1146               :help "Export public keys to a file"))
1147
1148 (define-key menu-bar-encryption-decryption-menu [import-keys-region]
1149   '(menu-item "Import Keys from Region" epa-import-keys-region
1150               :help "Import public keys from the current region"))
1151
1152 (define-key menu-bar-encryption-decryption-menu [import-keys]
1153   '(menu-item "Import Keys from File..." epa-import-keys
1154               :help "Import public keys from a file"))
1155
1156 (define-key menu-bar-encryption-decryption-menu [list-keys]
1157   '(menu-item "List Keys" epa-list-keys
1158               :help "Browse your public keyring"))
1159
1160 (define-key menu-bar-encryption-decryption-menu [separator-keys]
1161   '("--"))
1162
1163 (define-key menu-bar-encryption-decryption-menu [sign-region]
1164   '(menu-item "Sign Region" epa-sign-region
1165               :help "Create digital signature of the current region"))
1166
1167 (define-key menu-bar-encryption-decryption-menu [verify-region]
1168   '(menu-item "Verify Region" epa-verify-region
1169               :help "Verify digital signature of the current region"))
1170
1171 (define-key menu-bar-encryption-decryption-menu [encrypt-region]
1172   '(menu-item "Encrypt Region" epa-encrypt-region
1173               :help "Encrypt the current region"))
1174
1175 (define-key menu-bar-encryption-decryption-menu [decrypt-region]
1176   '(menu-item "Decrypt Region" epa-decrypt-region
1177               :help "Decrypt the current region"))
1178
1179 (define-key menu-bar-encryption-decryption-menu [separator-file]
1180   '("--"))
1181
1182 (define-key menu-bar-encryption-decryption-menu [sign-file]
1183   '(menu-item "Sign File..." epa-sign-file
1184               :help "Create digital signature of a file"))
1185
1186 (define-key menu-bar-encryption-decryption-menu [verify-file]
1187   '(menu-item "Verify File..." epa-verify-file
1188               :help "Verify digital signature of a file"))
1189
1190 (define-key menu-bar-encryption-decryption-menu [encrypt-file]
1191   '(menu-item "Encrypt File..." epa-encrypt-file
1192               :help "Encrypt a file"))
1193
1194 (define-key menu-bar-encryption-decryption-menu [decrypt-file]
1195   '(menu-item "Decrypt File..." epa-decrypt-file
1196               :help "Decrypt a file"))
1197
1198 (define-key menu-bar-tools-menu [simple-calculator]
1199   '(menu-item "Simple Calculator" calculator
1200               :help "Invoke the Emacs built-in quick calculator"))
1201 (define-key menu-bar-tools-menu [calc]
1202   '(menu-item "Programmable Calculator" calc
1203               :help "Invoke the Emacs built-in full scientific calculator"))
1204 (define-key menu-bar-tools-menu [calendar]
1205   '(menu-item "Calendar" calendar
1206               :help "Invoke the Emacs built-in calendar"))
1207
1208 (define-key menu-bar-tools-menu [separator-net]
1209   '("--"))
1210
1211 (define-key menu-bar-tools-menu [directory-search]
1212   '(menu-item "Directory Search" eudc-tools-menu))
1213 (define-key menu-bar-tools-menu [compose-mail]
1214   (list
1215    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1216    'compose-mail
1217    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1218    :help "Send a mail message"))
1219 (define-key menu-bar-tools-menu [rmail]
1220   (list
1221    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1222    'menu-bar-read-mail
1223    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1224    :help "Read your mail and reply to it"))
1225
1226 (defun menu-bar-read-mail ()
1227   "Read mail using `read-mail-command'."
1228   (interactive)
1229   (call-interactively read-mail-command))
1230
1231 (define-key menu-bar-tools-menu [gnus]
1232   '(menu-item "Read Net News (Gnus)" gnus
1233               :help "Read network news groups"))
1234
1235 (define-key menu-bar-tools-menu [separator-vc]
1236   '("--"))
1237
1238 (define-key menu-bar-tools-menu [pcl-cvs]
1239   '(menu-item "PCL-CVS" cvs-global-menu))
1240 (define-key menu-bar-tools-menu [vc] nil) ;Create the place for the VC menu.
1241
1242 (define-key menu-bar-tools-menu [separator-compare]
1243   '("--"))
1244
1245 (define-key menu-bar-tools-menu [ediff-misc]
1246   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu))
1247 (define-key menu-bar-tools-menu [epatch]
1248   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1249 (define-key menu-bar-tools-menu [ediff-merge]
1250   '(menu-item "Merge" menu-bar-ediff-merge-menu))
1251 (define-key menu-bar-tools-menu [compare]
1252   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu))
1253
1254 (define-key menu-bar-tools-menu [separator-spell]
1255   '("--"))
1256
1257 (define-key menu-bar-tools-menu [spell]
1258   '(menu-item "Spell Checking" ispell-menu-map))
1259
1260 (define-key menu-bar-tools-menu [separator-prog]
1261   '("--"))
1262
1263 (define-key menu-bar-tools-menu [gdb]
1264   '(menu-item "Debugger (GDB)..." gdb
1265               :help "Debug a program from within Emacs with GDB"))
1266 (define-key menu-bar-tools-menu [shell-on-region]
1267   '(menu-item "Shell Command on Region..." shell-command-on-region
1268               :enable mark-active
1269               :help "Pass marked region to a shell command"))
1270 (define-key menu-bar-tools-menu [shell]
1271   '(menu-item "Shell Command..." shell-command
1272               :help "Invoke a shell command and catch its output"))
1273 (define-key menu-bar-tools-menu [compile]
1274   '(menu-item "Compile..." compile
1275               :help "Invoke compiler or Make, view compilation errors"))
1276 (define-key menu-bar-tools-menu [grep]
1277   '(menu-item "Search Files (Grep)..." grep
1278               :help "Search files for strings or regexps (with Grep)"))
1279
1280 \f
1281 ;; The "Help" menu items
1282
1283 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1284
1285 (define-key menu-bar-describe-menu [mule-diag]
1286   '(menu-item "Show All of Mule Status" mule-diag
1287               :visible default-enable-multibyte-characters
1288               :help "Display multilingual environment settings"))
1289 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1290   '(menu-item "Describe Coding System (Briefly)"
1291               describe-current-coding-system-briefly
1292               :visible default-enable-multibyte-characters))
1293 (define-key menu-bar-describe-menu [describe-coding-system]
1294   '(menu-item "Describe Coding System..." describe-coding-system
1295               :visible default-enable-multibyte-characters))
1296 (define-key menu-bar-describe-menu [describe-input-method]
1297   '(menu-item "Describe Input Method..." describe-input-method
1298               :visible default-enable-multibyte-characters
1299               :help "Keyboard layout for specific input method"))
1300 (define-key menu-bar-describe-menu [describe-language-environment]
1301   (list 'menu-item "Describe Language Environment"
1302         describe-language-environment-map))
1303
1304 (define-key menu-bar-describe-menu [separator-desc-mule]
1305   '("--"))
1306
1307 (define-key menu-bar-describe-menu [list-keybindings]
1308   '(menu-item "List Key Bindings" describe-bindings
1309               :help "Display all current keybindings (keyboard shortcuts)"))
1310 (define-key menu-bar-describe-menu [describe-current-display-table]
1311   '(menu-item "Describe Display Table" describe-current-display-table
1312               :help "Describe the current display table"))
1313 (define-key menu-bar-describe-menu [describe-face]
1314   '(menu-item "Describe Face..." describe-face
1315               :help "Display the properties of a face"))
1316 (define-key menu-bar-describe-menu [describe-variable]
1317   '(menu-item "Describe Variable..." describe-variable
1318               :help "Display documentation of variable/option"))
1319 (define-key menu-bar-describe-menu [describe-function]
1320   '(menu-item "Describe Function..." describe-function
1321               :help "Display documentation of function/command"))
1322 (define-key menu-bar-describe-menu [describe-key-1]
1323   '(menu-item "Describe Key or Mouse Operation..." describe-key
1324               ;; Users typically don't identify keys and menu items...
1325               :help "Display documentation of command bound to a \
1326 key, a click, or a menu-item"))
1327 (define-key menu-bar-describe-menu [describe-mode]
1328   '(menu-item "Describe Buffer Modes" describe-mode
1329               :help "Describe this buffer's major and minor mode"))
1330
1331 (defvar menu-bar-search-documentation-menu
1332   (make-sparse-keymap "Search Documentation"))
1333 (defun menu-bar-read-lispref ()
1334   "Display the Emacs Lisp Reference manual in Info mode."
1335   (interactive)
1336   (info "elisp"))
1337
1338 (defun menu-bar-read-lispintro ()
1339   "Display the Introduction to Emacs Lisp Programming in Info mode."
1340   (interactive)
1341   (info "eintr"))
1342
1343 (defun search-emacs-glossary ()
1344   "Display the Glossary node of the Emacs manual in Info mode."
1345   (interactive)
1346   (info "(emacs)Glossary"))
1347
1348 (defun emacs-index-search (topic)
1349   "Look up TOPIC in the indices of the Emacs User Manual."
1350   (interactive "sSubject to look up: ")
1351   (info "emacs")
1352   (Info-index topic))
1353
1354 (defun elisp-index-search (topic)
1355   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1356   (interactive "sSubject to look up: ")
1357   (info "elisp")
1358   (Info-index topic))
1359
1360 (define-key menu-bar-search-documentation-menu [search-documentation-strings]
1361   '(menu-item "Search Documentation Strings..." apropos-documentation
1362               :help
1363               "Find functions and variables whose doc strings match a regexp"))
1364 (define-key menu-bar-search-documentation-menu [find-any-object-by-name]
1365   '(menu-item "Find Any Object by Name..."  apropos
1366               :help "Find symbols of any kind whose names match a regexp"))
1367 (define-key menu-bar-search-documentation-menu [find-option-by-value]
1368   '(menu-item "Find Options by Value..." apropos-value
1369               :help "Find variables whose values match a regexp"))
1370 (define-key menu-bar-search-documentation-menu [find-options-by-name]
1371   '(menu-item "Find Options by Name..." apropos-variable
1372               :help "Find variables whose names match a regexp"))
1373 (define-key menu-bar-search-documentation-menu [find-commands-by-name]
1374   '(menu-item "Find Commands by Name..." apropos-command
1375               :help "Find commands whose names match a regexp"))
1376 (define-key menu-bar-search-documentation-menu [sep1]
1377   '("--"))
1378 (define-key menu-bar-search-documentation-menu [lookup-command-in-manual]
1379   '(menu-item "Look Up Command in User Manual..." Info-goto-emacs-command-node
1380               :help "Display manual section that describes a command"))
1381 (define-key menu-bar-search-documentation-menu [lookup-key-in-manual]
1382   '(menu-item "Look Up Key in User Manual..." Info-goto-emacs-key-command-node
1383               :help "Display manual section that describes a key"))
1384 (define-key menu-bar-search-documentation-menu [lookup-subject-in-elisp-manual]
1385   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1386               :help "Find description of a subject in Emacs Lisp manual"))
1387 (define-key menu-bar-search-documentation-menu [lookup-subject-in-emacs-manual]
1388   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1389               :help "Find description of a subject in Emacs User manual"))
1390 (define-key menu-bar-search-documentation-menu [emacs-terminology]
1391   '(menu-item "Emacs Terminology" search-emacs-glossary
1392               :help "Display the Glossary section of the Emacs manual"))
1393
1394 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1395
1396 (define-key menu-bar-manuals-menu [man]
1397   '(menu-item "Read Man Page..." manual-entry
1398               :help "Man-page docs for external commands and libraries"))
1399 (define-key menu-bar-manuals-menu [sep2]
1400   '("--"))
1401 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1402   '(menu-item "Ordering Manuals" view-order-manuals
1403               :help "How to order manuals from the Free Software Foundation"))
1404 (define-key menu-bar-manuals-menu [lookup-subject-in-all-manuals]
1405   '(menu-item "Lookup Subject in all manuals..." info-apropos
1406               :help "Find description of a subject in all installed manuals"))
1407 (define-key menu-bar-manuals-menu [other-manuals]
1408   '(menu-item "All Other Manuals (Info)" Info-directory
1409               :help "Read any of the installed manuals"))
1410 (define-key menu-bar-manuals-menu [emacs-lisp-reference]
1411   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1412               :help "Read the Emacs Lisp Reference manual"))
1413 (define-key menu-bar-manuals-menu [emac-lisp-intro]
1414   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1415               :help "Read the Introduction to Emacs Lisp Programming"))
1416
1417 (define-key menu-bar-help-menu [about-gnu-project]
1418   '(menu-item "About GNU" describe-gnu-project
1419               :help "About the GNU System, GNU Project, and GNU/Linux"))
1420 (define-key menu-bar-help-menu [about-emacs]
1421   '(menu-item "About Emacs" about-emacs
1422               :help "Display version number, copyright info, and basic help"))
1423 (define-key menu-bar-help-menu [sep4]
1424   '("--"))
1425 (define-key menu-bar-help-menu [describe-no-warranty]
1426   '(menu-item "(Non)Warranty" describe-no-warranty
1427               :help "Explain that Emacs has NO WARRANTY"))
1428 (define-key menu-bar-help-menu [describe-copying]
1429   '(menu-item "Copying Conditions" describe-copying
1430               :help "Show the Emacs license (GPL)"))
1431 (define-key menu-bar-help-menu [getting-new-versions]
1432   '(menu-item "Getting New Versions" describe-distribution
1433               :help "How to get latest versions of Emacs"))
1434 (defun menu-bar-help-extra-packages ()
1435   "Display help about some additional packages available for Emacs."
1436   (interactive)
1437   (let (enable-local-variables)
1438     (view-file (expand-file-name "MORE.STUFF"
1439                                  data-directory))
1440     (goto-address)))
1441 (define-key menu-bar-help-menu [sep2]
1442   '("--"))
1443 (define-key menu-bar-help-menu [external-packages]
1444   '(menu-item "External Packages" menu-bar-help-extra-packages
1445               :help "Lisp packages distributed separately for use in Emacs"))
1446 (define-key menu-bar-help-menu [find-emacs-packages]
1447   '(menu-item "Find Emacs Packages" finder-by-keyword
1448               :help "Find packages and features by keyword"))
1449 (define-key menu-bar-help-menu [more-manuals]
1450   (list 'menu-item "More Manuals" menu-bar-manuals-menu))
1451 (define-key menu-bar-help-menu [emacs-manual]
1452   '(menu-item "Read the Emacs Manual" info-emacs-manual
1453               :help "Full documentation of Emacs features"))
1454 (define-key menu-bar-help-menu [describe]
1455   (list 'menu-item "Describe" menu-bar-describe-menu))
1456 (define-key menu-bar-help-menu [search-documentation]
1457   (list 'menu-item "Search Documentation" menu-bar-search-documentation-menu))
1458 (define-key menu-bar-help-menu [sep1]
1459   '("--"))
1460 (define-key menu-bar-help-menu [emacs-psychotherapist]
1461   '(menu-item "Emacs Psychotherapist" doctor
1462               :help "Our doctor will help you feel better"))
1463 (define-key menu-bar-help-menu [send-emacs-bug-report]
1464   '(menu-item "Send Bug Report..." report-emacs-bug
1465               :help "Send e-mail to Emacs maintainers"))
1466 (define-key menu-bar-help-menu [emacs-known-problems]
1467   '(menu-item "Emacs Known Problems" view-emacs-problems
1468               :help "Read about known problems with Emacs"))
1469 (define-key menu-bar-help-menu [emacs-news]
1470   '(menu-item "Emacs News" view-emacs-news
1471               :help "New features of this version"))
1472 (define-key menu-bar-help-menu [emacs-faq]
1473   '(menu-item "Emacs FAQ" view-emacs-FAQ
1474               :help "Frequently asked (and answered) questions about Emacs"))
1475
1476 (defun help-with-tutorial-spec-language ()
1477   "Use the Emacs tutorial, specifying which language you want."
1478   (interactive)
1479   (help-with-tutorial t))
1480
1481 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1482   '(menu-item "Emacs Tutorial (choose language)..."
1483               help-with-tutorial-spec-language
1484               :help "Learn how to use Emacs (choose a language)"))
1485 (define-key menu-bar-help-menu [emacs-tutorial]
1486   '(menu-item "Emacs Tutorial" help-with-tutorial
1487               :help "Learn how to use Emacs"))
1488
1489 (defun menu-bar-menu-frame-live-and-visible-p ()
1490   "Return non-nil if the menu frame is alive and visible.
1491 The menu frame is the frame for which we are updating the menu."
1492   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1493     (and (frame-live-p menu-frame)
1494          (frame-visible-p menu-frame))))
1495
1496 (defun menu-bar-non-minibuffer-window-p ()
1497   "Return non-nil if selected window of the menu frame is not a minibuf window.
1498
1499 See the documentation of `menu-bar-menu-frame-live-and-visible-p'
1500 for the definition of the menu frame."
1501   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1502     (not (window-minibuffer-p (frame-selected-window menu-frame)))))
1503
1504 (defun kill-this-buffer ()      ; for the menu bar
1505   "Kill the current buffer.
1506 When called in the minibuffer, get out of the minibuffer
1507 using `abort-recursive-edit'."
1508   (interactive)
1509   (if (menu-bar-non-minibuffer-window-p)
1510       (kill-buffer (current-buffer))
1511     (abort-recursive-edit)))
1512
1513 (defun kill-this-buffer-enabled-p ()
1514   (let ((count 0)
1515         (buffers (buffer-list)))
1516     (while buffers
1517       (or (string-match "^ " (buffer-name (car buffers)))
1518           (setq count (1+ count)))
1519       (setq buffers (cdr buffers)))
1520     (or (not (menu-bar-non-minibuffer-window-p))
1521         (> count 1))))
1522
1523 (put 'dired 'menu-enable '(menu-bar-non-minibuffer-window-p))
1524
1525 ;; Permit deleting frame if it would leave a visible or iconified frame.
1526 (defun delete-frame-enabled-p ()
1527   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1528   (let ((frames (frame-list))
1529         (count 0))
1530     (while frames
1531       (if (frame-visible-p (car frames))
1532           (setq count (1+ count)))
1533       (setq frames (cdr frames)))
1534     (> count 1)))
1535
1536 (defcustom yank-menu-length 20
1537   "*Maximum length to display in the yank-menu."
1538   :type 'integer
1539   :group 'menu)
1540
1541 (defun menu-bar-update-yank-menu (string old)
1542   (let ((front (car (cdr yank-menu)))
1543         (menu-string (if (<= (length string) yank-menu-length)
1544                          string
1545                        (concat
1546                         (substring string 0 (/ yank-menu-length 2))
1547                         "..."
1548                         (substring string (- (/ yank-menu-length 2)))))))
1549     ;; Don't let the menu string be all dashes
1550     ;; because that has a special meaning in a menu.
1551     (if (string-match "\\`-+\\'" menu-string)
1552         (setq menu-string (concat menu-string " ")))
1553     ;; If we're supposed to be extending an existing string, and that
1554     ;; string really is at the front of the menu, then update it in place.
1555     (if (and old (or (eq old (car front))
1556                      (string= old (car front))))
1557         (progn
1558           (setcar front string)
1559           (setcar (cdr front) menu-string))
1560       (setcdr yank-menu
1561               (cons
1562                (cons string (cons menu-string 'menu-bar-select-yank))
1563                (cdr yank-menu)))))
1564   (if (> (length (cdr yank-menu)) kill-ring-max)
1565       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1566
1567 (put 'menu-bar-select-yank 'apropos-inhibit t)
1568 (defun menu-bar-select-yank ()
1569   "Insert the stretch of previously-killed text selected from menu.
1570 The menu shows all the killed text sequences stored in `kill-ring'."
1571   (interactive "*")
1572   (push-mark (point))
1573   (insert last-command-event))
1574
1575 \f
1576 ;;; Buffers Menu
1577
1578 (defcustom buffers-menu-max-size 10
1579   "*Maximum number of entries which may appear on the Buffers menu.
1580 If this is 10, then only the ten most-recently-selected buffers are shown.
1581 If this is nil, then all buffers are shown.
1582 A large number or nil slows down menu responsiveness."
1583   :type '(choice integer
1584                  (const :tag "All" nil))
1585   :group 'menu)
1586
1587 (defcustom buffers-menu-buffer-name-length 30
1588   "*Maximum length of the buffer name on the Buffers menu.
1589 If this is a number, then buffer names are truncated to this length.
1590 If this is nil, then buffer names are shown in full.
1591 A large number or nil makes the menu too wide."
1592   :type '(choice integer
1593                  (const :tag "Full length" nil))
1594   :group 'menu)
1595
1596 (defcustom buffers-menu-show-directories 'unless-uniquify
1597   "If non-nil, show directories in the Buffers menu for buffers that have them.
1598 The special value `unless-uniquify' means that directories will be shown
1599 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1600 names should include enough of a buffer's directory to distinguish it
1601 from other buffers).
1602
1603 Setting this variable directly does not take effect until next time the
1604 Buffers menu is regenerated."
1605   :set (lambda (symbol value)
1606          (set symbol value)
1607          (menu-bar-update-buffers t))
1608   :initialize 'custom-initialize-default
1609   :type '(choice (const :tag "Never" nil)
1610                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1611                  (const :tag "Always" t))
1612   :group 'menu)
1613
1614 (defcustom buffers-menu-show-status t
1615   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1616 Setting this variable directly does not take effect until next time the
1617 Buffers menu is regenerated."
1618   :set (lambda (symbol value)
1619          (set symbol value)
1620          (menu-bar-update-buffers t))
1621   :initialize 'custom-initialize-default
1622   :type 'boolean
1623   :group 'menu)
1624
1625 (defvar list-buffers-directory nil)
1626
1627 (defun menu-bar-select-buffer ()
1628   (interactive)
1629   (switch-to-buffer last-command-event))
1630
1631 (defun menu-bar-select-frame (frame)
1632   (make-frame-visible frame)
1633   (raise-frame frame)
1634   (select-frame frame))
1635
1636 (defun menu-bar-update-buffers-1 (elt)
1637   (let* ((buf (car elt))
1638          (file
1639           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1640                    (or (not (boundp 'uniquify-buffer-name-style))
1641                        (null uniquify-buffer-name-style))
1642                  buffers-menu-show-directories)
1643                (or (buffer-file-name buf)
1644                    (buffer-local-value 'list-buffers-directory buf)))))
1645     (when file
1646       (setq file (file-name-directory file)))
1647     (when (and file (> (length file) 20))
1648       (setq file (concat "..." (substring file -17))))
1649     (cons (if buffers-menu-show-status
1650               (let ((mod (if (buffer-modified-p buf) "*" ""))
1651                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1652                 (if file
1653                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1654                   (format "%s  %s%s" (cdr elt) mod ro)))
1655             (if file
1656                 (format "%s  --  %s"  (cdr elt) file)
1657               (cdr elt)))
1658           buf)))
1659
1660 ;; Used to cache the menu entries for commands in the Buffers menu
1661 (defvar menu-bar-buffers-menu-command-entries nil)
1662
1663 (defun menu-bar-update-buffers (&optional force)
1664   ;; If user discards the Buffers item, play along.
1665   (and (lookup-key (current-global-map) [menu-bar buffer])
1666        (or force (frame-or-buffer-changed-p))
1667        (let ((buffers (buffer-list))
1668              (frames (frame-list))
1669              buffers-menu)
1670          ;; If requested, list only the N most recently selected buffers.
1671          (if (and (integerp buffers-menu-max-size)
1672                   (> buffers-menu-max-size 1))
1673              (if (> (length buffers) buffers-menu-max-size)
1674                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1675
1676          ;; Make the menu of buffers proper.
1677          (setq buffers-menu
1678                (let (alist)
1679                  ;; Put into each element of buffer-list
1680                  ;; the name for actual display,
1681                  ;; perhaps truncated in the middle.
1682                  (dolist (buf buffers)
1683                    (let ((name (buffer-name buf)))
1684                      (unless (eq ?\s (aref name 0))
1685                        (push (menu-bar-update-buffers-1
1686                               (cons buf
1687                                     (if (and (integerp buffers-menu-buffer-name-length)
1688                                              (> (length name) buffers-menu-buffer-name-length))
1689                                         (concat
1690                                          (substring
1691                                           name 0 (/ buffers-menu-buffer-name-length 2))
1692                                          "..."
1693                                          (substring
1694                                           name (- (/ buffers-menu-buffer-name-length 2))))
1695                                       name)
1696                                     ))
1697                              alist))))
1698                  ;; Now make the actual list of items.
1699                  (let ((buffers-vec (make-vector (length alist) nil))
1700                        (i (length alist)))
1701                    (dolist (pair alist)
1702                      (setq i (1- i))
1703                      (aset buffers-vec i
1704                            (nconc (list (car pair)
1705                                         (cons nil nil))
1706                                   `(lambda ()
1707                                      (interactive)
1708                                      (switch-to-buffer ,(cdr pair))))))
1709                    (list buffers-vec))))
1710
1711          ;; Make a Frames menu if we have more than one frame.
1712          (when (cdr frames)
1713            (let* ((frames-vec (make-vector (length frames) nil))
1714                   (frames-menu
1715                    (cons 'keymap
1716                          (list "Select Frame" frames-vec)))
1717                   (i 0))
1718              (dolist (frame frames)
1719                (aset frames-vec i
1720                      (nconc
1721                       (list
1722                        (frame-parameter frame 'name)
1723                        (cons nil nil))
1724                       `(lambda ()
1725                          (interactive) (menu-bar-select-frame ,frame))))
1726                (setq i (1+ i)))
1727              ;; Put it after the normal buffers
1728              (setq buffers-menu
1729                    (nconc buffers-menu
1730                           `((frames-separator "--")
1731                             (frames menu-item "Frames" ,frames-menu))))))
1732
1733          ;; Add in some normal commands at the end of the menu.  We use
1734          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1735          ;; if it's been set already.  Note that we can't use constant
1736          ;; lists for the menu-entries, because the low-level menu-code
1737          ;; modifies them.
1738          (unless menu-bar-buffers-menu-command-entries
1739            (setq menu-bar-buffers-menu-command-entries
1740                  (list '(command-separator "--")
1741                        (list 'next-buffer
1742                              'menu-item
1743                              "Next Buffer"
1744                              'next-buffer
1745                              :help "Switch to the \"next\" buffer in a cyclic order")
1746                        (list 'previous-buffer
1747                              'menu-item
1748                              "Previous Buffer"
1749                              'previous-buffer
1750                              :help "Switch to the \"previous\" buffer in a cyclic order")
1751                        (list 'select-named-buffer
1752                              'menu-item
1753                              "Select Named Buffer..."
1754                              'switch-to-buffer
1755                              :help "Prompt for a buffer name, and select that buffer in the current window")
1756                        (list 'list-all-buffers
1757                              'menu-item
1758                              "List All Buffers"
1759                              'list-buffers
1760                              :help "Pop up a window listing all Emacs buffers"
1761                              ))))
1762          (setq buffers-menu
1763                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1764
1765          ;; We used to "(define-key (current-global-map) [menu-bar buffer]"
1766          ;; but that did not do the right thing when the [menu-bar buffer]
1767          ;; entry above had been moved (e.g. to a parent keymap).
1768          (setcdr global-buffers-menu-map (cons "Select Buffer" buffers-menu)))))
1769
1770 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1771
1772 (menu-bar-update-buffers)
1773
1774 ;; this version is too slow
1775 ;;(defun format-buffers-menu-line (buffer)
1776 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1777 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1778 ;;  (if (string-match "\\` " (buffer-name buffer))
1779 ;;      nil
1780 ;;    (save-excursion
1781 ;;     (set-buffer buffer)
1782 ;;     (let ((size (buffer-size)))
1783 ;;       (format "%s%s %-19s %6s %-15s %s"
1784 ;;             (if (buffer-modified-p) "*" " ")
1785 ;;             (if buffer-read-only "%" " ")
1786 ;;             (buffer-name)
1787 ;;             size
1788 ;;             mode-name
1789 ;;             (or (buffer-file-name) ""))))))
1790 \f
1791 ;;; Set up a menu bar menu for the minibuffer.
1792
1793 (dolist (map (list minibuffer-local-map
1794                    ;; This shouldn't be necessary, but there's a funny
1795                    ;; bug in keymap.c that I don't understand yet.  -stef
1796                    minibuffer-local-completion-map))
1797   (define-key map [menu-bar minibuf]
1798     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1799
1800 (let ((map minibuffer-local-completion-map))
1801   (define-key map [menu-bar minibuf ?\?]
1802     (list 'menu-item "List Completions" 'minibuffer-completion-help
1803           :help "Display all possible completions"))
1804   (define-key map [menu-bar minibuf space]
1805     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1806           :help "Complete at most one word"))
1807   (define-key map [menu-bar minibuf tab]
1808     (list 'menu-item "Complete" 'minibuffer-complete
1809           :help "Complete as far as possible")))
1810
1811 (let ((map minibuffer-local-map))
1812   (define-key map [menu-bar minibuf quit]
1813     (list 'menu-item "Quit" 'abort-recursive-edit
1814           :help "Abort input and exit minibuffer"))
1815   (define-key map [menu-bar minibuf return]
1816     (list 'menu-item "Enter" 'exit-minibuffer
1817           :key-sequence "\r"
1818           :help "Terminate input and exit minibuffer"))
1819   (define-key map [menu-bar minibuf isearch-forward]
1820     (list 'menu-item "Isearch History Forward" 'isearch-forward
1821           :help "Incrementally search minibuffer history forward"))
1822   (define-key map [menu-bar minibuf isearch-backward]
1823     (list 'menu-item "Isearch History Backward" 'isearch-backward
1824           :help "Incrementally search minibuffer history backward"))
1825   (define-key map [menu-bar minibuf next]
1826     (list 'menu-item "Next History Item" 'next-history-element
1827           :help "Put next minibuffer history element in the minibuffer"))
1828   (define-key map [menu-bar minibuf previous]
1829     (list 'menu-item "Previous History Item" 'previous-history-element
1830           :help "Put previous minibuffer history element in the minibuffer")))
1831 \f
1832 ;;;###autoload
1833 ;; This comment is taken from tool-bar.el near
1834 ;; (put 'tool-bar-mode ...)
1835 ;; We want to pretend the menu bar by standard is on, as this will make
1836 ;; customize consider disabling the menu bar a customization, and save
1837 ;; that.  We could do this for real by setting :init-value below, but
1838 ;; that would overwrite disabling the tool bar from X resources.
1839 (put 'menu-bar-mode 'standard-value '(t))
1840
1841 (define-minor-mode menu-bar-mode
1842   "Toggle display of a menu bar on each frame.
1843 This command applies to all frames that exist and frames to be
1844 created in the future.
1845 With a numeric argument, if the argument is positive,
1846 turn on menu bars; otherwise, turn off menu bars."
1847   :init-value nil
1848   :global t
1849   :group 'frames
1850
1851   ;; Make menu-bar-mode and default-frame-alist consistent.
1852   (modify-all-frames-parameters (list (cons 'menu-bar-lines
1853                                             (if menu-bar-mode 1 0))))
1854
1855   ;; Make the message appear when Emacs is idle.  We can not call message
1856   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1857   ;; after this function returns, overwriting any message we do here.
1858   (when (and (interactive-p) (not menu-bar-mode))
1859     (run-with-idle-timer 0 nil 'message
1860                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1861   menu-bar-mode)
1862
1863 (defun toggle-menu-bar-mode-from-frame (&optional arg)
1864   "Toggle menu bar on or off, based on the status of the current frame.
1865 See `menu-bar-mode' for more information."
1866   (interactive (list (or current-prefix-arg 'toggle)))
1867   (if (eq arg 'toggle)
1868       (menu-bar-mode (if (> (frame-parameter nil 'menu-bar-lines) 0) 0 1))
1869     (menu-bar-mode arg)))
1870
1871 (declare-function x-menu-bar-open "term/x-win" (&optional frame))
1872
1873 (defun menu-bar-open (&optional frame)
1874   "Start key navigation of the menu bar in FRAME.
1875
1876 This function decides which method to use to access the menu
1877 depending on FRAME's terminal device.  On X displays, it calls
1878 `x-menu-bar-open'; otherwise it calls `tmm-menubar'.
1879
1880 If FRAME is nil or not given, use the selected frame."
1881   (interactive)
1882   (if (eq window-system 'x)
1883       (x-menu-bar-open frame)
1884     (with-selected-frame (or frame (selected-frame))
1885       (tmm-menubar))))
1886
1887 (global-set-key [f10] 'menu-bar-open)
1888
1889 (provide 'menu-bar)
1890
1891 ;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1892 ;;; menu-bar.el ends here