code.delx.au - gnu-emacs/blob - 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, 2005,
   4 ;;   2006, 2007, 2008, 2009, 2010, 2011, 2012  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 (purecopy "Help") menu-bar-help-menu))
  43 (defvar menu-bar-tools-menu (make-sparse-keymap "Tools"))
  44 (define-key global-map [menu-bar tools] (cons (purecopy "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 (purecopy "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 (purecopy "Options") menu-bar-options-menu))
  53 (defvar menu-bar-edit-menu (make-sparse-keymap "Edit"))
  54 (define-key global-map [menu-bar edit] (cons (purecopy "Edit") menu-bar-edit-menu))
  55 (defvar menu-bar-file-menu (make-sparse-keymap "File"))
  56 (define-key global-map [menu-bar file] (cons (purecopy "File") menu-bar-file-menu))
  57
  58 ;; Only declared obsolete (and only made a proper alias) in 23.3.
  59 (define-obsolete-variable-alias 'menu-bar-files-menu 'menu-bar-file-menu "22.1")
  60
  61 ;; This is referenced by some code below; it is defined in uniquify.el
  62 (defvar uniquify-buffer-name-style)
  63
  64 ;; From emulation/cua-base.el; used below
  65 (defvar cua-enable-cua-keys)
  66
  67 \f
  68 ;; The "File" menu items
  69 (define-key menu-bar-file-menu [exit-emacs]
  70   `(menu-item ,(purecopy "Quit") save-buffers-kill-terminal
  71               :help ,(purecopy "Save unsaved buffers, then exit")))
  72
  73 (define-key menu-bar-file-menu [separator-exit]
  74   menu-bar-separator)
  75
  76 ;; Don't use delete-frame as event name because that is a special
  77 ;; event.
  78 (define-key menu-bar-file-menu [delete-this-frame]
  79   `(menu-item ,(purecopy "Delete Frame") delete-frame
  80               :visible (fboundp 'delete-frame)
  81               :enable (delete-frame-enabled-p)
  82               :help ,(purecopy "Delete currently selected frame")))
  83 (define-key menu-bar-file-menu [make-frame-on-display]
  84   `(menu-item ,(purecopy "New Frame on Display...") make-frame-on-display
  85               :visible (fboundp 'make-frame-on-display)
  86               :help ,(purecopy "Open a new frame on another display")))
  87 (define-key menu-bar-file-menu [make-frame]
  88   `(menu-item ,(purecopy "New Frame") make-frame-command
  89               :visible (fboundp 'make-frame-command)
  90               :help ,(purecopy "Open a new frame")))
  91
  92 (define-key menu-bar-file-menu [one-window]
  93   `(menu-item ,(purecopy "Remove Splits") delete-other-windows
  94               :enable (not (one-window-p t nil))
  95               :help ,(purecopy "Selected window grows to fill the whole frame")))
  96
  97 (define-key menu-bar-file-menu [split-window]
  98   `(menu-item ,(purecopy "Split Window") split-window-vertically
  99               :enable (and (menu-bar-menu-frame-live-and-visible-p)
 100                            (menu-bar-non-minibuffer-window-p))
 101               :help ,(purecopy "Split selected window in two windows")))
 102
 103 (define-key menu-bar-file-menu [separator-window]
 104   menu-bar-separator)
 105
 106 (define-key menu-bar-file-menu [ps-print-region]
 107   `(menu-item ,(purecopy "Postscript Print Region (B+W)") ps-print-region
 108               :enable mark-active
 109               :help ,(purecopy "Pretty-print marked region in black and white to PostScript printer")))
 110 (define-key menu-bar-file-menu [ps-print-buffer]
 111   `(menu-item ,(purecopy "Postscript Print Buffer (B+W)") ps-print-buffer
 112               :enable (menu-bar-menu-frame-live-and-visible-p)
 113               :help ,(purecopy "Pretty-print current buffer in black and white to PostScript printer")))
 114 (define-key menu-bar-file-menu [ps-print-region-faces]
 115   `(menu-item ,(purecopy "Postscript Print Region") ps-print-region-with-faces
 116               :enable mark-active
 117               :help ,(purecopy "Pretty-print marked region to PostScript printer")))
 118 (define-key menu-bar-file-menu [ps-print-buffer-faces]
 119   `(menu-item ,(purecopy "Postscript Print Buffer") ps-print-buffer-with-faces
 120               :enable (menu-bar-menu-frame-live-and-visible-p)
 121               :help ,(purecopy "Pretty-print current buffer to PostScript printer")))
 122 (define-key menu-bar-file-menu [print-region]
 123   `(menu-item ,(purecopy "Print Region") print-region
 124               :enable mark-active
 125               :help ,(purecopy "Print region between mark and current position")))
 126 (define-key menu-bar-file-menu [print-buffer]
 127   `(menu-item ,(purecopy "Print Buffer") print-buffer
 128               :enable (menu-bar-menu-frame-live-and-visible-p)
 129               :help ,(purecopy "Print current buffer with page headings")))
 130
 131 (define-key menu-bar-file-menu [separator-print]
 132   menu-bar-separator)
 133
 134 (define-key menu-bar-file-menu [recover-session]
 135   `(menu-item ,(purecopy "Recover Crashed Session") recover-session
 136               :enable (and auto-save-list-file-prefix
 137                            (file-directory-p
 138                             (file-name-directory auto-save-list-file-prefix))
 139                            (directory-files
 140                             (file-name-directory auto-save-list-file-prefix)
 141                             nil
 142                             (concat "\\`"
 143                                     (regexp-quote
 144                                      (file-name-nondirectory
 145                                       auto-save-list-file-prefix)))
 146                             t))
 147               :help ,(purecopy "Recover edits from a crashed session")))
 148 (define-key menu-bar-file-menu [revert-buffer]
 149   `(menu-item ,(purecopy "Revert Buffer") revert-buffer
 150               :enable (or revert-buffer-function
 151                           revert-buffer-insert-file-contents-function
 152                           (and buffer-file-number
 153                                (or (buffer-modified-p)
 154                                    (not (verify-visited-file-modtime
 155                                          (current-buffer))))))
 156               :help ,(purecopy "Re-read current buffer from its file")))
 157 (define-key menu-bar-file-menu [write-file]
 158   `(menu-item ,(purecopy "Save As...") write-file
 159               :enable (and (menu-bar-menu-frame-live-and-visible-p)
 160                            (menu-bar-non-minibuffer-window-p))
 161               :help ,(purecopy "Write current buffer to another file")))
 162 (define-key menu-bar-file-menu [save-buffer]
 163   `(menu-item ,(purecopy "Save") save-buffer
 164               :enable (and (buffer-modified-p)
 165                            (buffer-file-name)
 166                            (menu-bar-non-minibuffer-window-p))
 167               :help ,(purecopy "Save current buffer to its file")))
 168
 169 (define-key menu-bar-file-menu [separator-save]
 170   menu-bar-separator)
 171
 172 (defun menu-find-file-existing ()
 173   "Edit the existing file FILENAME."
 174   (interactive)
 175   (let* ((mustmatch (not (and (fboundp 'x-uses-old-gtk-dialog)
 176                               (x-uses-old-gtk-dialog))))
 177          (filename (car (find-file-read-args "Find file: " mustmatch))))
 178     (if mustmatch
 179         (find-file-existing filename)
 180       (find-file filename))))
 181
 182
 183 (define-key menu-bar-file-menu [kill-buffer]
 184   `(menu-item ,(purecopy "Close") kill-this-buffer
 185               :enable (kill-this-buffer-enabled-p)
 186               :help ,(purecopy "Discard (kill) current buffer")))
 187 (define-key menu-bar-file-menu [insert-file]
 188   `(menu-item ,(purecopy "Insert File...") insert-file
 189               :enable (menu-bar-non-minibuffer-window-p)
 190               :help ,(purecopy "Insert another file into current buffer")))
 191 (define-key menu-bar-file-menu [dired]
 192   `(menu-item ,(purecopy "Open Directory...") dired
 193               :enable (menu-bar-non-minibuffer-window-p)
 194               :help ,(purecopy "Read a directory, to operate on its files")))
 195 (define-key menu-bar-file-menu [open-file]
 196   `(menu-item ,(purecopy "Open File...") menu-find-file-existing
 197               :enable (menu-bar-non-minibuffer-window-p)
 198               :help ,(purecopy "Read an existing file into an Emacs buffer")))
 199 (define-key menu-bar-file-menu [new-file]
 200   `(menu-item ,(purecopy "Visit New File...") find-file
 201               :enable (menu-bar-non-minibuffer-window-p)
 202               :help ,(purecopy "Specify a new file's name, to edit the file")))
 203
 204 \f
 205 ;; The "Edit" menu items
 206
 207 ;; The "Edit->Search" submenu
 208 (defvar menu-bar-last-search-type nil
 209   "Type of last non-incremental search command called from the menu.")
 210
 211 (defun nonincremental-repeat-search-forward ()
 212   "Search forward for the previous search string or regexp."
 213   (interactive)
 214   (cond
 215    ((and (eq menu-bar-last-search-type 'string)
 216          search-ring)
 217     (search-forward (car search-ring)))
 218    ((and (eq menu-bar-last-search-type 'regexp)
 219          regexp-search-ring)
 220     (re-search-forward (car regexp-search-ring)))
 221    (t
 222     (error "No previous search"))))
 223
 224 (defun nonincremental-repeat-search-backward ()
 225   "Search backward for the previous search string or regexp."
 226   (interactive)
 227   (cond
 228    ((and (eq menu-bar-last-search-type 'string)
 229          search-ring)
 230     (search-backward (car search-ring)))
 231    ((and (eq menu-bar-last-search-type 'regexp)
 232          regexp-search-ring)
 233     (re-search-backward (car regexp-search-ring)))
 234    (t
 235     (error "No previous search"))))
 236
 237 (defun nonincremental-search-forward (string)
 238   "Read a string and search for it nonincrementally."
 239   (interactive "sSearch for string: ")
 240   (setq menu-bar-last-search-type 'string)
 241   (if (equal string "")
 242       (search-forward (car search-ring))
 243     (isearch-update-ring string nil)
 244     (search-forward string)))
 245
 246 (defun nonincremental-search-backward (string)
 247   "Read a string and search backward for it nonincrementally."
 248   (interactive "sSearch for string: ")
 249   (setq menu-bar-last-search-type 'string)
 250   (if (equal string "")
 251       (search-backward (car search-ring))
 252     (isearch-update-ring string nil)
 253     (search-backward string)))
 254
 255 (defun nonincremental-re-search-forward (string)
 256   "Read a regular expression and search for it nonincrementally."
 257   (interactive "sSearch for regexp: ")
 258   (setq menu-bar-last-search-type 'regexp)
 259   (if (equal string "")
 260       (re-search-forward (car regexp-search-ring))
 261     (isearch-update-ring string t)
 262     (re-search-forward string)))
 263
 264 (defun nonincremental-re-search-backward (string)
 265   "Read a regular expression and search backward for it nonincrementally."
 266   (interactive "sSearch for regexp: ")
 267   (setq menu-bar-last-search-type 'regexp)
 268   (if (equal string "")
 269       (re-search-backward (car regexp-search-ring))
 270     (isearch-update-ring string t)
 271     (re-search-backward string)))
 272
 273 (defvar menu-bar-search-menu (make-sparse-keymap "Search"))
 274
 275 ;; The Edit->Search->Incremental Search menu
 276 (defvar menu-bar-i-search-menu
 277   (make-sparse-keymap "Incremental Search"))
 278
 279 (define-key menu-bar-i-search-menu [isearch-backward-regexp]
 280   `(menu-item ,(purecopy "Backward Regexp...") isearch-backward-regexp
 281               :help ,(purecopy "Search backwards for a regular expression as you type it")))
 282 (define-key menu-bar-i-search-menu [isearch-forward-regexp]
 283   `(menu-item ,(purecopy "Forward Regexp...") isearch-forward-regexp
 284               :help ,(purecopy "Search forward for a regular expression as you type it")))
 285 (define-key menu-bar-i-search-menu [isearch-backward]
 286   `(menu-item ,(purecopy "Backward String...") isearch-backward
 287               :help ,(purecopy "Search backwards for a string as you type it")))
 288 (define-key menu-bar-i-search-menu [isearch-forward]
 289   `(menu-item ,(purecopy "Forward String...") isearch-forward
 290               :help ,(purecopy "Search forward for a string as you type it")))
 291
 292 (define-key menu-bar-search-menu [i-search]
 293   `(menu-item ,(purecopy "Incremental Search") ,menu-bar-i-search-menu))
 294 (define-key menu-bar-search-menu [separator-tag-isearch]
 295   menu-bar-separator)
 296
 297 (define-key menu-bar-search-menu [tags-continue]
 298   `(menu-item ,(purecopy "Continue Tags Search") tags-loop-continue
 299               :help ,(purecopy "Continue last tags search operation")))
 300 (define-key menu-bar-search-menu [tags-srch]
 301   `(menu-item ,(purecopy "Search Tagged Files...") tags-search
 302               :help ,(purecopy "Search for a regexp in all tagged files")))
 303 (define-key menu-bar-search-menu [separator-tag-search]
 304   menu-bar-separator)
 305
 306 (define-key menu-bar-search-menu [repeat-search-back]
 307   `(menu-item ,(purecopy "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 ,(purecopy "Repeat last search backwards")))
 313 (define-key menu-bar-search-menu [repeat-search-fwd]
 314   `(menu-item ,(purecopy "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 ,(purecopy "Repeat last search forward")))
 320 (define-key menu-bar-search-menu [separator-repeat-search]
 321   menu-bar-separator)
 322
 323 (define-key menu-bar-search-menu [re-search-backward]
 324   `(menu-item ,(purecopy "Regexp Backwards...") nonincremental-re-search-backward
 325               :help ,(purecopy "Search backwards for a regular expression")))
 326 (define-key menu-bar-search-menu [re-search-forward]
 327   `(menu-item ,(purecopy "Regexp Forward...") nonincremental-re-search-forward
 328               :help ,(purecopy "Search forward for a regular expression")))
 329
 330 (define-key menu-bar-search-menu [search-backward]
 331   `(menu-item ,(purecopy "String Backwards...") nonincremental-search-backward
 332               :help ,(purecopy "Search backwards for a string")))
 333 (define-key menu-bar-search-menu [search-forward]
 334   `(menu-item ,(purecopy "String Forward...") nonincremental-search-forward
 335               :help ,(purecopy "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 ,(purecopy "Continue Replace") tags-loop-continue
 343               :help ,(purecopy "Continue last tags replace operation")))
 344 (define-key menu-bar-replace-menu [tags-repl]
 345   `(menu-item ,(purecopy "Replace in Tagged Files...") tags-query-replace
 346               :help ,(purecopy "Interactively replace a regexp in all tagged files")))
 347 (define-key menu-bar-replace-menu [separator-replace-tags]
 348   menu-bar-separator)
 349
 350 (define-key menu-bar-replace-menu [query-replace-regexp]
 351   `(menu-item ,(purecopy "Replace Regexp...") query-replace-regexp
 352               :enable (not buffer-read-only)
 353               :help ,(purecopy "Replace regular expression interactively, ask about each occurrence")))
 354 (define-key menu-bar-replace-menu [query-replace]
 355   `(menu-item ,(purecopy "Replace String...") query-replace
 356               :enable (not buffer-read-only)
 357               :help ,(purecopy "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 ,(purecopy "Text Properties") facemenu-menu))
 362
 363 (define-key menu-bar-edit-menu [fill]
 364   `(menu-item ,(purecopy "Fill") fill-region
 365               :enable (and mark-active (not buffer-read-only))
 366               :help
 367               ,(purecopy "Fill text in region to fit between left and right margin")))
 368
 369 (define-key menu-bar-edit-menu [separator-bookmark]
 370   menu-bar-separator)
 371
 372 (define-key menu-bar-edit-menu [bookmark]
 373   `(menu-item ,(purecopy "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 ,(purecopy "Set Tags File Name...") visit-tags-table
 379               :help ,(purecopy "Tell Tags commands which tag table file to use")))
 380
 381 (define-key menu-bar-goto-menu [separator-tag-file]
 382   menu-bar-separator)
 383
 384 (define-key menu-bar-goto-menu [apropos-tags]
 385   `(menu-item ,(purecopy "Tags Apropos...") tags-apropos
 386               :help ,(purecopy "Find function/variables whose names match regexp")))
 387 (define-key menu-bar-goto-menu [next-tag-otherw]
 388   `(menu-item ,(purecopy "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 ,(purecopy "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 ,(purecopy "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 ,(purecopy "Find next function/variable matching last tag name")))
 410 (define-key menu-bar-goto-menu [find-tag-otherw]
 411   `(menu-item ,(purecopy "Find Tag in Other Window...") find-tag-other-window
 412               :help ,(purecopy "Find function/variable definition in another window")))
 413 (define-key menu-bar-goto-menu [find-tag]
 414   `(menu-item ,(purecopy "Find Tag...") find-tag
 415               :help ,(purecopy "Find definition of function or variable")))
 416
 417 (define-key menu-bar-goto-menu [separator-tags]
 418   menu-bar-separator)
 419
 420 (define-key menu-bar-goto-menu [end-of-buf]
 421   `(menu-item ,(purecopy "Goto End of Buffer") end-of-buffer))
 422 (define-key menu-bar-goto-menu [beg-of-buf]
 423   `(menu-item ,(purecopy "Goto Beginning of Buffer") beginning-of-buffer))
 424 (define-key menu-bar-goto-menu [go-to-pos]
 425   `(menu-item ,(purecopy "Goto Buffer Position...") goto-char
 426               :help ,(purecopy "Read a number N and go to buffer position N")))
 427 (define-key menu-bar-goto-menu [go-to-line]
 428   `(menu-item ,(purecopy "Goto Line...") goto-line
 429               :help ,(purecopy "Read a line number and go to that line")))
 430
 431 (define-key menu-bar-edit-menu [goto]
 432   `(menu-item ,(purecopy "Go To") ,menu-bar-goto-menu))
 433
 434 (define-key menu-bar-edit-menu [replace]
 435   `(menu-item ,(purecopy "Replace") ,menu-bar-replace-menu))
 436
 437 (define-key menu-bar-edit-menu [search]
 438   `(menu-item ,(purecopy "Search") ,menu-bar-search-menu))
 439
 440 (define-key menu-bar-edit-menu [separator-search]
 441   menu-bar-separator)
 442
 443 (define-key menu-bar-edit-menu [mark-whole-buffer]
 444   `(menu-item ,(purecopy "Select All") mark-whole-buffer
 445               :help ,(purecopy "Mark the whole buffer for a subsequent cut/copy")))
 446 (define-key menu-bar-edit-menu [clear]
 447   `(menu-item ,(purecopy "Clear") delete-region
 448               :enable (and mark-active
 449                            (not buffer-read-only)
 450                            (not (mouse-region-match)))
 451               :help
 452               ,(purecopy "Delete the text in region between mark and current position")))
 453 (defvar yank-menu (cons (purecopy "Select Yank") nil))
 454 (fset 'yank-menu (cons 'keymap yank-menu))
 455 (define-key menu-bar-edit-menu [paste-from-menu]
 456   `(menu-item ,(purecopy "Paste from Kill Menu") yank-menu
 457               :enable (and (cdr yank-menu) (not buffer-read-only))
 458               :help ,(purecopy "Choose a string from the kill ring and paste it")))
 459 (define-key menu-bar-edit-menu [paste]
 460   `(menu-item ,(purecopy "Paste") yank
 461               :enable (and (or
 462                             ;; Emacs compiled --without-x doesn't have
 463                             ;; x-selection-exists-p.
 464                             (and (fboundp 'x-selection-exists-p)
 465                                  (x-selection-exists-p))
 466                             kill-ring)
 467                            (not buffer-read-only))
 468               :help ,(purecopy "Paste (yank) text most recently cut/copied")))
 469 (define-key menu-bar-edit-menu [copy]
 470   `(menu-item ,(purecopy "Copy") menu-bar-kill-ring-save
 471               :enable mark-active
 472               :help ,(purecopy "Copy text in region between mark and current position")
 473               :keys ,(purecopy "\\[kill-ring-save]")))
 474 (define-key menu-bar-edit-menu [cut]
 475   `(menu-item ,(purecopy "Cut") kill-region
 476               :enable (and mark-active (not buffer-read-only))
 477               :help
 478               ,(purecopy "Cut (kill) text in region between mark and current position")))
 479 (define-key menu-bar-edit-menu [undo]
 480   `(menu-item ,(purecopy "Undo") undo
 481               :enable (and (not buffer-read-only)
 482                            (not (eq t buffer-undo-list))
 483                            (if (eq last-command 'undo)
 484                                (listp pending-undo-list)
 485                              (consp buffer-undo-list)))
 486               :help ,(purecopy "Undo last operation")))
 487
 488
 489 (defun menu-bar-kill-ring-save (beg end)
 490   (interactive "r")
 491   (if (mouse-region-match)
 492       (message "Selecting a region with the mouse does `copy' automatically")
 493     (kill-ring-save beg end)))
 494
 495 ;; These are alternative definitions for the cut, paste and copy
 496 ;; menu items.  Use them if your system expects these to use the clipboard.
 497
 498 (put 'clipboard-kill-region 'menu-enable
 499      '(and mark-active (not buffer-read-only)))
 500 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 501 (put 'clipboard-yank 'menu-enable
 502      '(and (or (not (fboundp 'x-selection-exists-p))
 503                (x-selection-exists-p)
 504                (x-selection-exists-p 'CLIPBOARD))
 505            (not buffer-read-only)))
 506
 507 (defun clipboard-yank ()
 508   "Insert the clipboard contents, or the last stretch of killed text."
 509   (interactive "*")
 510   (let ((x-select-enable-clipboard t))
 511     (yank)))
 512
 513 (defun clipboard-kill-ring-save (beg end)
 514   "Copy region to kill ring, and save in the X clipboard."
 515   (interactive "r")
 516   (let ((x-select-enable-clipboard t))
 517     (kill-ring-save beg end)))
 518
 519 (defun clipboard-kill-region (beg end)
 520   "Kill the region, and save it in the X clipboard."
 521   (interactive "r")
 522   (let ((x-select-enable-clipboard t))
 523     (kill-region beg end)))
 524
 525 (defun menu-bar-enable-clipboard ()
 526   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 527 Do the same for the keys of the same name."
 528   (interactive)
 529   ;; We can't use constant list structure here because it becomes pure,
 530   ;; and because it gets modified with cache data.
 531   (define-key menu-bar-edit-menu [paste]
 532     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 533   (define-key menu-bar-edit-menu [copy]
 534     (cons "Copy" (cons "Copy text in region to the clipboard"
 535                        'clipboard-kill-ring-save)))
 536   (define-key menu-bar-edit-menu [cut]
 537     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 538                       'clipboard-kill-region)))
 539
 540   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 541   ;; (also for XFree86 on Sun keyboard):
 542   (define-key global-map [f20] 'clipboard-kill-region)
 543   (define-key global-map [f16] 'clipboard-kill-ring-save)
 544   (define-key global-map [f18] 'clipboard-yank)
 545   ;; X11R6 versions:
 546   (define-key global-map [cut] 'clipboard-kill-region)
 547   (define-key global-map [copy] 'clipboard-kill-ring-save)
 548   (define-key global-map [paste] 'clipboard-yank))
 549 \f
 550 ;; The "Options" menu items
 551
 552 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 553
 554 (define-key menu-bar-custom-menu [customize-apropos-groups]
 555   `(menu-item ,(purecopy "Groups Matching Regexp...") customize-apropos-groups
 556               :help ,(purecopy "Browse groups whose names match regexp")))
 557 (define-key menu-bar-custom-menu [customize-apropos-faces]
 558   `(menu-item ,(purecopy "Faces Matching Regexp...") customize-apropos-faces
 559               :help ,(purecopy "Browse faces whose names match regexp")))
 560 (define-key menu-bar-custom-menu [customize-apropos-options]
 561   `(menu-item ,(purecopy "Options Matching Regexp...") customize-apropos-options
 562               :help ,(purecopy "Browse options whose names match regexp")))
 563 (define-key menu-bar-custom-menu [customize-apropos]
 564   `(menu-item ,(purecopy "Settings Matching Regexp...") customize-apropos
 565               :help ,(purecopy "Browse customizable settings whose names match regexp")))
 566 (define-key menu-bar-custom-menu [separator-1]
 567   menu-bar-separator)
 568 (define-key menu-bar-custom-menu [customize-group]
 569   `(menu-item ,(purecopy "Specific Group...") customize-group
 570               :help ,(purecopy "Customize settings of specific group")))
 571 (define-key menu-bar-custom-menu [customize-face]
 572   `(menu-item ,(purecopy "Specific Face...") customize-face
 573               :help ,(purecopy "Customize attributes of specific face")))
 574 (define-key menu-bar-custom-menu [customize-option]
 575   `(menu-item ,(purecopy "Specific Option...") customize-option
 576               :help ,(purecopy "Customize value of specific option")))
 577 (define-key menu-bar-custom-menu [separator-2]
 578   menu-bar-separator)
 579 (define-key menu-bar-custom-menu [customize-changed-options]
 580   `(menu-item ,(purecopy "New Options...") customize-changed-options
 581               :help ,(purecopy "Options added or changed in recent Emacs versions")))
 582 (define-key menu-bar-custom-menu [customize-saved]
 583   `(menu-item ,(purecopy "Saved Options") customize-saved
 584               :help ,(purecopy "Customize previously saved options")))
 585 (define-key menu-bar-custom-menu [separator-3]
 586   menu-bar-separator)
 587 (define-key menu-bar-custom-menu [customize-browse]
 588   `(menu-item ,(purecopy "Browse Customization Groups") customize-browse
 589               :help ,(purecopy "Browse all customization groups")))
 590 (define-key menu-bar-custom-menu [customize]
 591   `(menu-item ,(purecopy "Top-level Customization Group") customize
 592               :help ,(purecopy "The master group called `Emacs'")))
 593
 594 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 595
 596 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 597   "Make a menu-item for a global minor mode toggle.
 598 FNAME is the minor mode's name (variable and function).
 599 DOC is the text to use for the menu entry.
 600 HELP is the text to use for the tooltip.
 601 PROPS are additional properties."
 602   `(list 'menu-item  (purecopy ,doc) ',fname
 603          ,@(mapcar (lambda (p) (list 'quote p)) props)
 604          :help (purecopy ,help)
 605          :button '(:toggle . (and (default-boundp ',fname)
 606                                   (default-value ',fname)))))
 607
 608 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 609   `(progn
 610      (defun ,name (&optional interactively)
 611        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 612                 (substring help 1) ".
 613 In an interactive call, record this option as a candidate for saving
 614 by \"Save Options\" in Custom buffers.")
 615        (interactive "p")
 616        (if ,(if body `(progn . ,body)
 617               `(progn
 618                  (custom-load-symbol ',variable)
 619                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 620                        (get (or (get ',variable 'custom-get) 'default-value)))
 621                    (funcall set ',variable (not (funcall get ',variable))))))
 622            (message ,message "enabled globally")
 623          (message ,message "disabled globally"))
 624        ;; The function `customize-mark-as-set' must only be called when
 625        ;; a variable is set interactively, as the purpose is to mark it as
 626        ;; a candidate for "Save Options", and we do not want to save options
 627        ;; the user have already set explicitly in his init file.
 628        (if interactively (customize-mark-as-set ',variable)))
 629      (list 'menu-item (purecopy ,doc) ',name
 630            :help (purecopy ,help)
 631            :button '(:toggle . (and (default-boundp ',variable)
 632                                     (default-value ',variable))))))
 633
 634 ;; Function for setting/saving default font.
 635
 636 (defun menu-set-font ()
 637   "Interactively select a font and make it the default."
 638   (interactive)
 639   (let ((font (if (fboundp 'x-select-font)
 640                   (x-select-font)
 641                 (mouse-select-font)))
 642         spec)
 643     (when font
 644       ;; Be careful here: when set-face-attribute is called for the
 645       ;; :font attribute, Emacs tries to guess the best matching font
 646       ;; by examining the other face attributes (Bug#2476).
 647       (set-face-attribute 'default (selected-frame)
 648                           :width 'normal
 649                           :weight 'normal
 650                           :slant 'normal
 651                           :font font)
 652       (let ((font-object (face-attribute 'default :font)))
 653         (dolist (f (frame-list))
 654           (and (not (eq f (selected-frame)))
 655                (display-graphic-p f)
 656                (set-face-attribute 'default f :font font-object)))
 657         (set-face-attribute 'default t :font font-object))
 658       (setq spec (list (list t (face-attr-construct 'default))))
 659       (put 'default 'customized-face spec)
 660       (custom-push-theme 'theme-face 'default 'user 'set spec)
 661       (put 'default 'face-modified nil))))
 662
 663
 664
 665 ;;; Assemble all the top-level items of the "Options" menu
 666 (define-key menu-bar-options-menu [customize]
 667   `(menu-item ,(purecopy "Customize Emacs") ,menu-bar-custom-menu))
 668
 669 (defun menu-bar-options-save ()
 670   "Save current values of Options menu items using Custom."
 671   (interactive)
 672   (let ((need-save nil))
 673     ;; These are set with menu-bar-make-mm-toggle, which does not
 674     ;; put on a customized-value property.
 675     (dolist (elt '(line-number-mode column-number-mode size-indication-mode
 676                    cua-mode show-paren-mode transient-mark-mode
 677                    blink-cursor-mode display-time-mode display-battery-mode
 678                    ;; These are set by other functions that don't set
 679                    ;; the customized state.  Having them here has the
 680                    ;; side-effect that turning them off via X
 681                    ;; resources acts like having customized them, but
 682                    ;; that seems harmless.
 683                    menu-bar-mode tool-bar-mode))
 684       ;; FIXME ? It's a little annoying that running this command
 685       ;; always loads cua-base, paren, time, and battery, even if they
 686       ;; have not been customized in any way.  (Due to custom-load-symbol.)
 687       (and (customize-mark-to-save elt)
 688            (setq need-save t)))
 689     ;; These are set with `customize-set-variable'.
 690     (dolist (elt '(scroll-bar-mode
 691                    debug-on-quit debug-on-error
 692                    ;; Somehow this works, when tool-bar and menu-bar don't.
 693                    tooltip-mode
 694                    save-place uniquify-buffer-name-style fringe-mode
 695                    indicate-empty-lines indicate-buffer-boundaries
 696                    case-fold-search font-use-system-font
 697                    current-language-environment default-input-method
 698                    ;; Saving `text-mode-hook' is somewhat questionable,
 699                    ;; as we might get more than we bargain for, if
 700                    ;; other code may has added hooks as well.
 701                    ;; Nonetheless, not saving it would like be confuse
 702                    ;; more often.
 703                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 704                    text-mode-hook))
 705       (and (get elt 'customized-value)
 706            (customize-mark-to-save elt)
 707            (setq need-save t)))
 708     (when (get 'default 'customized-face)
 709       (put 'default 'saved-face (get 'default 'customized-face))
 710       (put 'default 'customized-face nil)
 711       (setq need-save t))
 712     ;; Save if we changed anything.
 713     (when need-save
 714       (custom-save-all))))
 715
 716 (define-key menu-bar-options-menu [save]
 717   `(menu-item ,(purecopy "Save Options") menu-bar-options-save
 718               :help ,(purecopy "Save options set from the menu above")))
 719
 720 (define-key menu-bar-options-menu [custom-separator]
 721   menu-bar-separator)
 722
 723 (define-key menu-bar-options-menu [menu-set-font]
 724   `(menu-item ,(purecopy "Set Default Font...") menu-set-font
 725               :visible (display-multi-font-p)
 726               :help ,(purecopy "Select a default font")))
 727
 728 (if (featurep 'system-font-setting)
 729     (define-key menu-bar-options-menu [menu-system-font]
 730       (menu-bar-make-toggle toggle-use-system-font font-use-system-font
 731                             "Use system font"
 732                             "Use system font: %s"
 733                             "Use the monospaced font defined by the system")))
 734
 735
 736 ;; The "Show/Hide" submenu of menu "Options"
 737
 738 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 739
 740 (define-key menu-bar-showhide-menu [column-number-mode]
 741   (menu-bar-make-mm-toggle column-number-mode
 742                            "Column Numbers"
 743                            "Show the current column number in the mode line"))
 744
 745 (define-key menu-bar-showhide-menu [line-number-mode]
 746   (menu-bar-make-mm-toggle line-number-mode
 747                            "Line Numbers"
 748                            "Show the current line number in the mode line"))
 749
 750 (define-key menu-bar-showhide-menu [size-indication-mode]
 751   (menu-bar-make-mm-toggle size-indication-mode
 752                            "Size Indication"
 753                            "Show the size of the buffer in the mode line"))
 754
 755 (define-key menu-bar-showhide-menu [linecolumn-separator]
 756   menu-bar-separator)
 757
 758 (define-key menu-bar-showhide-menu [showhide-battery]
 759   (menu-bar-make-mm-toggle display-battery-mode
 760                            "Battery Status"
 761                            "Display battery status information in mode line"))
 762
 763 (define-key menu-bar-showhide-menu [showhide-date-time]
 764   (menu-bar-make-mm-toggle display-time-mode
 765                            "Time, Load and Mail"
 766                            "Display time, system load averages and \
 767 mail status in mode line"))
 768
 769 (define-key menu-bar-showhide-menu [datetime-separator]
 770   menu-bar-separator)
 771
 772 (define-key menu-bar-showhide-menu [showhide-speedbar]
 773   `(menu-item ,(purecopy "Speedbar") speedbar-frame-mode
 774               :help ,(purecopy "Display a Speedbar quick-navigation frame")
 775               :button (:toggle
 776                        . (and (boundp 'speedbar-frame)
 777                               (frame-live-p (symbol-value 'speedbar-frame))
 778                               (frame-visible-p
 779                                (symbol-value 'speedbar-frame))))))
 780
 781 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 782
 783 (defvar menu-bar-showhide-fringe-ind-menu
 784   (make-sparse-keymap "Buffer boundaries"))
 785
 786 (defun menu-bar-showhide-fringe-ind-customize ()
 787   "Show customization buffer for `indicate-buffer-boundaries'."
 788   (interactive)
 789   (customize-variable 'indicate-buffer-boundaries))
 790
 791 (define-key menu-bar-showhide-fringe-ind-menu [customize]
 792   `(menu-item ,(purecopy "Other (Customize)")
 793               menu-bar-showhide-fringe-ind-customize
 794               :help ,(purecopy "Additional choices available through Custom buffer")
 795               :visible (display-graphic-p)
 796               :button (:radio . (not (member indicate-buffer-boundaries
 797                                              '(nil left right
 798                                                ((top . left) (bottom . right))
 799                                                ((t . right) (top . left))))))))
 800
 801 (defun menu-bar-showhide-fringe-ind-mixed ()
 802   "Display top and bottom indicators in opposite fringes, arrows in right."
 803   (interactive)
 804   (customize-set-variable 'indicate-buffer-boundaries
 805                           '((t . right) (top . left))))
 806
 807 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 808   `(menu-item ,(purecopy "Opposite, Arrows Right") menu-bar-showhide-fringe-ind-mixed
 809               :help
 810               ,(purecopy "Show top/bottom indicators in opposite fringes, arrows in right")
 811               :visible (display-graphic-p)
 812               :button (:radio . (equal indicate-buffer-boundaries
 813                                        '((t . right) (top . left))))))
 814
 815 (defun menu-bar-showhide-fringe-ind-box ()
 816   "Display top and bottom indicators in opposite fringes."
 817   (interactive)
 818   (customize-set-variable 'indicate-buffer-boundaries
 819                           '((top . left) (bottom . right))))
 820
 821 (define-key menu-bar-showhide-fringe-ind-menu [box]
 822   `(menu-item ,(purecopy "Opposite, No Arrows") menu-bar-showhide-fringe-ind-box
 823               :help ,(purecopy "Show top/bottom indicators in opposite fringes, no arrows")
 824               :visible (display-graphic-p)
 825               :button (:radio . (equal indicate-buffer-boundaries
 826                                        '((top . left) (bottom . right))))))
 827
 828 (defun menu-bar-showhide-fringe-ind-right ()
 829   "Display buffer boundaries and arrows in the right fringe."
 830   (interactive)
 831   (customize-set-variable 'indicate-buffer-boundaries 'right))
 832
 833 (define-key menu-bar-showhide-fringe-ind-menu [right]
 834   `(menu-item ,(purecopy "In Right Fringe") menu-bar-showhide-fringe-ind-right
 835               :help ,(purecopy "Show buffer boundaries and arrows in right fringe")
 836               :visible (display-graphic-p)
 837               :button (:radio . (eq indicate-buffer-boundaries 'right))))
 838
 839 (defun menu-bar-showhide-fringe-ind-left ()
 840   "Display buffer boundaries and arrows in the left fringe."
 841   (interactive)
 842   (customize-set-variable 'indicate-buffer-boundaries 'left))
 843
 844 (define-key menu-bar-showhide-fringe-ind-menu [left]
 845   `(menu-item ,(purecopy "In Left Fringe") menu-bar-showhide-fringe-ind-left
 846               :help ,(purecopy "Show buffer boundaries and arrows in left fringe")
 847               :visible (display-graphic-p)
 848               :button (:radio . (eq indicate-buffer-boundaries 'left))))
 849
 850 (defun menu-bar-showhide-fringe-ind-none ()
 851   "Do not display any buffer boundary indicators."
 852   (interactive)
 853   (customize-set-variable 'indicate-buffer-boundaries nil))
 854
 855 (define-key menu-bar-showhide-fringe-ind-menu [none]
 856   `(menu-item ,(purecopy "No Indicators") menu-bar-showhide-fringe-ind-none
 857               :help ,(purecopy "Hide all buffer boundary indicators and arrows")
 858               :visible (display-graphic-p)
 859               :button (:radio . (eq indicate-buffer-boundaries nil))))
 860
 861 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 862   `(menu-item ,(purecopy "Buffer Boundaries") ,menu-bar-showhide-fringe-ind-menu
 863               :visible (display-graphic-p)
 864               :help ,(purecopy "Indicate buffer boundaries in fringe")))
 865
 866 (define-key menu-bar-showhide-fringe-menu [indicate-empty-lines]
 867   (menu-bar-make-toggle toggle-indicate-empty-lines indicate-empty-lines
 868                         "Empty Line Indicators"
 869                         "Indicating of empty lines %s"
 870                         "Indicate trailing empty lines in fringe, globally"))
 871
 872 (defun menu-bar-showhide-fringe-menu-customize ()
 873   "Show customization buffer for `fringe-mode'."
 874   (interactive)
 875   (customize-variable 'fringe-mode))
 876
 877 (define-key menu-bar-showhide-fringe-menu [customize]
 878   `(menu-item ,(purecopy "Customize Fringe") menu-bar-showhide-fringe-menu-customize
 879               :help ,(purecopy "Detailed customization of fringe")
 880               :visible (display-graphic-p)))
 881
 882 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 883   "Reset the fringe mode: display fringes on both sides of a window."
 884   (interactive)
 885   (customize-set-variable 'fringe-mode nil))
 886
 887 (define-key menu-bar-showhide-fringe-menu [default]
 888   `(menu-item ,(purecopy "Default") menu-bar-showhide-fringe-menu-customize-reset
 889               :help ,(purecopy "Default width fringe on both left and right side")
 890               :visible (display-graphic-p)
 891               :button (:radio . (eq fringe-mode nil))))
 892
 893 (defun menu-bar-showhide-fringe-menu-customize-right ()
 894   "Display fringes only on the right of each window."
 895   (interactive)
 896   (require 'fringe)
 897   (customize-set-variable 'fringe-mode '(0 . nil)))
 898
 899 (define-key menu-bar-showhide-fringe-menu [right]
 900   `(menu-item ,(purecopy "On the Right") menu-bar-showhide-fringe-menu-customize-right
 901               :help ,(purecopy "Fringe only on the right side")
 902               :visible (display-graphic-p)
 903               :button (:radio . (equal fringe-mode '(0 . nil)))))
 904
 905 (defun menu-bar-showhide-fringe-menu-customize-left ()
 906   "Display fringes only on the left of each window."
 907   (interactive)
 908   (require 'fringe)
 909   (customize-set-variable 'fringe-mode '(nil . 0)))
 910
 911 (define-key menu-bar-showhide-fringe-menu [left]
 912   `(menu-item ,(purecopy "On the Left") menu-bar-showhide-fringe-menu-customize-left
 913               :help ,(purecopy "Fringe only on the left side")
 914               :visible (display-graphic-p)
 915               :button (:radio . (equal fringe-mode '(nil . 0)))))
 916
 917 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 918   "Do not display window fringes."
 919   (interactive)
 920   (require 'fringe)
 921   (customize-set-variable 'fringe-mode 0))
 922
 923 (define-key menu-bar-showhide-fringe-menu [none]
 924   `(menu-item ,(purecopy "None") menu-bar-showhide-fringe-menu-customize-disable
 925               :help ,(purecopy "Turn off fringe")
 926               :visible (display-graphic-p)
 927               :button (:radio . (eq fringe-mode 0))))
 928
 929 (define-key menu-bar-showhide-menu [showhide-fringe]
 930   `(menu-item ,(purecopy "Fringe") ,menu-bar-showhide-fringe-menu
 931               :visible (display-graphic-p)))
 932
 933 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 934
 935 (define-key menu-bar-showhide-scroll-bar-menu [right]
 936   `(menu-item ,(purecopy "On the Right")
 937               menu-bar-right-scroll-bar
 938               :help ,(purecopy "Scroll-bar on the right side")
 939               :visible (display-graphic-p)
 940               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 941                                                (frame-parameters))) 'right))))
 942 (defun menu-bar-right-scroll-bar ()
 943   "Display scroll bars on the right of each window."
 944   (interactive)
 945   (customize-set-variable 'scroll-bar-mode 'right))
 946
 947 (define-key menu-bar-showhide-scroll-bar-menu [left]
 948   `(menu-item ,(purecopy "On the Left")
 949               menu-bar-left-scroll-bar
 950               :help ,(purecopy "Scroll-bar on the left side")
 951               :visible (display-graphic-p)
 952               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 953                                                (frame-parameters))) 'left))))
 954
 955 (defun menu-bar-left-scroll-bar ()
 956   "Display scroll bars on the left of each window."
 957   (interactive)
 958   (customize-set-variable 'scroll-bar-mode 'left))
 959
 960 (define-key menu-bar-showhide-scroll-bar-menu [none]
 961   `(menu-item ,(purecopy "None")
 962               menu-bar-no-scroll-bar
 963               :help ,(purecopy "Turn off scroll-bar")
 964               :visible (display-graphic-p)
 965               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 966                                                (frame-parameters))) nil))))
 967
 968 (defun menu-bar-no-scroll-bar ()
 969   "Turn off scroll bars."
 970   (interactive)
 971   (customize-set-variable 'scroll-bar-mode nil))
 972
 973 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 974   `(menu-item ,(purecopy "Scroll-bar") ,menu-bar-showhide-scroll-bar-menu
 975               :visible (display-graphic-p)))
 976
 977 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 978   `(menu-item ,(purecopy "Tooltips") tooltip-mode
 979               :help ,(purecopy "Turn tooltips on/off")
 980               :visible (and (display-graphic-p) (fboundp 'x-show-tip))
 981               :button (:toggle . tooltip-mode)))
 982
 983 (defun menu-bar-frame-for-menubar ()
 984   "Return the frame suitable for updating the menu bar."
 985   (or (and (framep menu-updating-frame)
 986            menu-updating-frame)
 987       (selected-frame)))
 988
 989 (defun menu-bar-positive-p (val)
 990   "Return non-nil iff VAL is a positive number."
 991   (and (numberp val)
 992        (> val 0)))
 993
 994 (define-key menu-bar-showhide-menu [menu-bar-mode]
 995   `(menu-item ,(purecopy "Menu-bar") toggle-menu-bar-mode-from-frame
 996               :help ,(purecopy "Turn menu-bar on/off")
 997               :button
 998               (:toggle . (menu-bar-positive-p
 999                           (frame-parameter (menu-bar-frame-for-menubar)
1000                                            'menu-bar-lines)))))
1001
1002 (define-key menu-bar-showhide-menu [showhide-tool-bar]
1003   `(menu-item ,(purecopy "Tool-bar") toggle-tool-bar-mode-from-frame
1004               :help ,(purecopy "Turn tool-bar on/off")
1005               :visible (display-graphic-p)
1006               :button
1007               (:toggle . (menu-bar-positive-p
1008                           (frame-parameter (menu-bar-frame-for-menubar)
1009                                            'tool-bar-lines)))))
1010
1011 (define-key menu-bar-options-menu [showhide]
1012   `(menu-item ,(purecopy "Show/Hide") ,menu-bar-showhide-menu))
1013
1014 (define-key menu-bar-options-menu [showhide-separator]
1015   menu-bar-separator)
1016
1017 (define-key menu-bar-options-menu [mule]
1018   ;; It is better not to use backquote here,
1019   ;; because that makes a bootstrapping problem
1020   ;; if you need to recompile all the Lisp files using interpreted code.
1021   `(menu-item ,(purecopy "Mule (Multilingual Environment)") ,mule-menu-keymap
1022 ;; Most of the MULE menu actually does make sense in unibyte mode,
1023 ;; e.g. language selection.
1024 ;;;     :visible '(default-value 'enable-multibyte-characters)
1025         ))
1026 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
1027 ;(define-key menu-bar-options-menu [preferences]
1028 ;  `(menu-item ,(purecopy "Preferences") ,menu-bar-preferences-menu
1029 ;             :help ,(purecopy "Toggle important global options")))
1030
1031 (define-key menu-bar-options-menu [mule-separator]
1032    menu-bar-separator)
1033
1034 (define-key menu-bar-options-menu [debug-on-quit]
1035   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
1036                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
1037                         "Enter Lisp debugger when C-g is pressed"))
1038 (define-key menu-bar-options-menu [debug-on-error]
1039   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
1040                         "Enter Debugger on Error" "Debug on Error %s"
1041                         "Enter Lisp debugger when an error is signaled"))
1042 (define-key menu-bar-options-menu [debugger-separator]
1043   menu-bar-separator)
1044
1045 (define-key menu-bar-options-menu [blink-cursor-mode]
1046   (menu-bar-make-mm-toggle blink-cursor-mode
1047                            "Blinking Cursor"
1048                            "Whether the cursor blinks (Blink Cursor mode)"))
1049 (define-key menu-bar-options-menu [cursor-separator]
1050   menu-bar-separator)
1051
1052 (define-key menu-bar-options-menu [save-place]
1053   (menu-bar-make-toggle toggle-save-place-globally save-place
1054                         "Save Place in Files between Sessions"
1055                         "Saving place in files %s"
1056                         "Visit files of previous session when restarting Emacs"
1057                         (require 'saveplace)
1058                         ;; Do it by name, to avoid a free-variable
1059                         ;; warning during byte compilation.
1060                         (set-default
1061                          'save-place (not (symbol-value 'save-place)))))
1062
1063 (define-key menu-bar-options-menu [uniquify]
1064   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
1065                         "Use Directory Names in Buffer Names"
1066                         "Directory name in buffer names (uniquify) %s"
1067                         "Uniquify buffer names by adding parent directory names"
1068                         (require 'uniquify)
1069                         (setq uniquify-buffer-name-style
1070                               (if (not uniquify-buffer-name-style)
1071                                   'forward))))
1072
1073 (define-key menu-bar-options-menu [edit-options-separator]
1074   menu-bar-separator)
1075 (define-key menu-bar-options-menu [cua-mode]
1076   (menu-bar-make-mm-toggle cua-mode
1077                            "C-x/C-c/C-v Cut and Paste (CUA)"
1078                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"
1079                            (:visible (or (not (boundp 'cua-enable-cua-keys))
1080                                          cua-enable-cua-keys))))
1081
1082 (define-key menu-bar-options-menu [cua-emulation-mode]
1083   (menu-bar-make-mm-toggle cua-mode
1084                            "Shift movement mark region (CUA)"
1085                            "Use shifted movement keys to set and extend the region."
1086                            (:visible (and (boundp 'cua-enable-cua-keys)
1087                                           (not cua-enable-cua-keys)))))
1088
1089 (define-key menu-bar-options-menu [case-fold-search]
1090   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1091             "Case-Insensitive Search"
1092             "Case-Insensitive Search %s"
1093             "Ignore letter-case in search commands"))
1094
1095 (defun menu-bar-text-mode-auto-fill ()
1096   (interactive)
1097   (toggle-text-mode-auto-fill)
1098   ;; This is somewhat questionable, as `text-mode-hook'
1099   ;; might have changed outside customize.
1100   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1101   (customize-mark-as-set 'text-mode-hook))
1102
1103 (define-key menu-bar-options-menu [auto-fill-mode]
1104   `(menu-item ,(purecopy "Auto Fill in Text Modes")
1105               menu-bar-text-mode-auto-fill
1106               :help ,(purecopy "Automatically fill text while typing (Auto Fill mode)")
1107               :button (:toggle . (if (listp text-mode-hook)
1108                                      (member 'turn-on-auto-fill text-mode-hook)
1109                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1110
1111
1112 (defvar menu-bar-line-wrapping-menu (make-sparse-keymap "Line Wrapping"))
1113
1114 (define-key menu-bar-line-wrapping-menu [word-wrap]
1115   `(menu-item ,(purecopy "Word Wrap (Visual Line mode)")
1116               (lambda ()
1117                 (interactive)
1118                 (unless visual-line-mode
1119                   (visual-line-mode 1))
1120                 (message ,(purecopy "Visual-Line mode enabled")))
1121               :help ,(purecopy "Wrap long lines at word boundaries")
1122               :button (:radio . (and (null truncate-lines)
1123                                      (not (truncated-partial-width-window-p))
1124                                      word-wrap))
1125               :visible (menu-bar-menu-frame-live-and-visible-p)))
1126
1127 (define-key menu-bar-line-wrapping-menu [truncate]
1128   `(menu-item ,(purecopy "Truncate Long Lines")
1129               (lambda ()
1130                 (interactive)
1131                 (if visual-line-mode (visual-line-mode 0))
1132                 (setq word-wrap nil)
1133                 (toggle-truncate-lines 1))
1134               :help ,(purecopy "Truncate long lines at window edge")
1135               :button (:radio . (or truncate-lines
1136                                     (truncated-partial-width-window-p)))
1137               :visible (menu-bar-menu-frame-live-and-visible-p)
1138               :enable (not (truncated-partial-width-window-p))))
1139
1140 (define-key menu-bar-line-wrapping-menu [window-wrap]
1141   `(menu-item ,(purecopy "Wrap at Window Edge")
1142               (lambda () (interactive)
1143                 (if visual-line-mode (visual-line-mode 0))
1144                 (setq word-wrap nil)
1145                 (if truncate-lines (toggle-truncate-lines -1)))
1146               :help ,(purecopy "Wrap long lines at window edge")
1147               :button (:radio . (and (null truncate-lines)
1148                                      (not (truncated-partial-width-window-p))
1149                                      (not word-wrap)))
1150               :visible (menu-bar-menu-frame-live-and-visible-p)
1151               :enable (not (truncated-partial-width-window-p))))
1152
1153 (define-key menu-bar-options-menu [line-wrapping]
1154   `(menu-item ,(purecopy "Line Wrapping in this Buffer") ,menu-bar-line-wrapping-menu))
1155
1156
1157 (define-key menu-bar-options-menu [highlight-separator]
1158   menu-bar-separator)
1159 (define-key menu-bar-options-menu [highlight-paren-mode]
1160   (menu-bar-make-mm-toggle show-paren-mode
1161                            "Paren Match Highlighting"
1162                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1163 (define-key menu-bar-options-menu [transient-mark-mode]
1164   (menu-bar-make-mm-toggle transient-mark-mode
1165                            "Active Region Highlighting"
1166                            "Make text in active region stand out in color (Transient Mark mode)"
1167                            (:enable (not cua-mode))))
1168
1169 \f
1170 ;; The "Tools" menu items
1171
1172 (defun send-mail-item-name ()
1173   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1174                                      (mh-e-user-agent . "MH")
1175                                      (message-user-agent . "Gnus Message")
1176                                      (gnus-user-agent . "Gnus")))
1177          (name (assq mail-user-agent known-send-mail-commands)))
1178     (if name
1179         (setq name (cdr name))
1180       (setq name (symbol-name mail-user-agent))
1181       (if (string-match "\\(.+\\)-user-agent" name)
1182           (setq name (match-string 1 name))))
1183     name))
1184
1185 (defun read-mail-item-name ()
1186   (let* ((known-rmail-commands '((rmail . "RMAIL")
1187                                  (mh-rmail . "MH")
1188                                  (gnus . "Gnus")))
1189          (known (assq read-mail-command known-rmail-commands)))
1190     (if known (cdr known) (symbol-name read-mail-command))))
1191
1192 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1193
1194 (define-key menu-bar-tools-menu [games]
1195   `(menu-item ,(purecopy "Games") ,menu-bar-games-menu))
1196
1197 (define-key menu-bar-tools-menu [separator-games]
1198   menu-bar-separator)
1199
1200 (define-key menu-bar-games-menu [zone]
1201   `(menu-item ,(purecopy "Zone Out")  zone
1202               :help ,(purecopy "Play tricks with Emacs display when Emacs is idle")))
1203 (define-key menu-bar-games-menu [tetris]
1204   `(menu-item ,(purecopy "Tetris")  tetris
1205               :help ,(purecopy "Falling blocks game")))
1206 (define-key menu-bar-games-menu [solitaire]
1207   `(menu-item ,(purecopy "Solitaire")  solitaire
1208               :help ,(purecopy "Get rid of all the stones")))
1209 (define-key menu-bar-games-menu [snake]
1210   `(menu-item ,(purecopy "Snake")  snake
1211               :help ,(purecopy "Move snake around avoiding collisions")))
1212 (define-key menu-bar-games-menu [pong]
1213   `(menu-item ,(purecopy "Pong") pong
1214               :help ,(purecopy "Bounce the ball to your opponent")))
1215 (define-key menu-bar-games-menu [mult]
1216   `(menu-item ,(purecopy "Multiplication Puzzle")  mpuz
1217               :help ,(purecopy "Exercise brain with multiplication")))
1218 (define-key menu-bar-games-menu [life]
1219   `(menu-item ,(purecopy "Life")  life
1220               :help ,(purecopy "Watch how John Conway's cellular automaton evolves")))
1221 (define-key menu-bar-games-menu [land]
1222   `(menu-item ,(purecopy "Landmark") landmark
1223               :help ,(purecopy "Watch a neural-network robot learn landmarks")))
1224 (define-key menu-bar-games-menu [hanoi]
1225   `(menu-item ,(purecopy "Towers of Hanoi") hanoi
1226               :help ,(purecopy "Watch Towers-of-Hanoi puzzle solved by Emacs")))
1227 (define-key menu-bar-games-menu [gomoku]
1228   `(menu-item ,(purecopy "Gomoku")  gomoku
1229               :help ,(purecopy "Mark 5 contiguous squares (like tic-tac-toe)")))
1230 (define-key menu-bar-games-menu [bubbles]
1231   `(menu-item ,(purecopy "Bubbles") bubbles
1232               :help ,(purecopy "Remove all bubbles using the fewest moves")))
1233 (define-key menu-bar-games-menu [black-box]
1234   `(menu-item ,(purecopy "Blackbox")  blackbox
1235               :help ,(purecopy "Find balls in a black box by shooting rays")))
1236 (define-key menu-bar-games-menu [adventure]
1237   `(menu-item ,(purecopy "Adventure")  dunnet
1238               :help ,(purecopy "Dunnet, a text Adventure game for Emacs")))
1239 (define-key menu-bar-games-menu [5x5]
1240   `(menu-item ,(purecopy "5x5") 5x5
1241               :help ,(purecopy "Fill in all the squares on a 5x5 board")))
1242
1243 (defvar menu-bar-encryption-decryption-menu
1244   (make-sparse-keymap "Encryption/Decryption"))
1245
1246 (define-key menu-bar-tools-menu [encryption-decryption]
1247   `(menu-item ,(purecopy "Encryption/Decryption") ,menu-bar-encryption-decryption-menu))
1248
1249 (define-key menu-bar-tools-menu [separator-encryption-decryption]
1250   menu-bar-separator)
1251
1252 (define-key menu-bar-encryption-decryption-menu [insert-keys]
1253   `(menu-item ,(purecopy "Insert Keys") epa-insert-keys
1254               :help ,(purecopy "Insert public keys after the current point")))
1255
1256 (define-key menu-bar-encryption-decryption-menu [export-keys]
1257   `(menu-item ,(purecopy "Export Keys") epa-export-keys
1258               :help ,(purecopy "Export public keys to a file")))
1259
1260 (define-key menu-bar-encryption-decryption-menu [import-keys-region]
1261   `(menu-item ,(purecopy "Import Keys from Region") epa-import-keys-region
1262               :help ,(purecopy "Import public keys from the current region")))
1263
1264 (define-key menu-bar-encryption-decryption-menu [import-keys]
1265   `(menu-item ,(purecopy "Import Keys from File...") epa-import-keys
1266               :help ,(purecopy "Import public keys from a file")))
1267
1268 (define-key menu-bar-encryption-decryption-menu [list-keys]
1269   `(menu-item ,(purecopy "List Keys") epa-list-keys
1270               :help ,(purecopy "Browse your public keyring")))
1271
1272 (define-key menu-bar-encryption-decryption-menu [separator-keys]
1273   menu-bar-separator)
1274
1275 (define-key menu-bar-encryption-decryption-menu [sign-region]
1276   `(menu-item ,(purecopy "Sign Region") epa-sign-region
1277               :help ,(purecopy "Create digital signature of the current region")))
1278
1279 (define-key menu-bar-encryption-decryption-menu [verify-region]
1280   `(menu-item ,(purecopy "Verify Region") epa-verify-region
1281               :help ,(purecopy "Verify digital signature of the current region")))
1282
1283 (define-key menu-bar-encryption-decryption-menu [encrypt-region]
1284   `(menu-item ,(purecopy "Encrypt Region") epa-encrypt-region
1285               :help ,(purecopy "Encrypt the current region")))
1286
1287 (define-key menu-bar-encryption-decryption-menu [decrypt-region]
1288   `(menu-item ,(purecopy "Decrypt Region") epa-decrypt-region
1289               :help ,(purecopy "Decrypt the current region")))
1290
1291 (define-key menu-bar-encryption-decryption-menu [separator-file]
1292   menu-bar-separator)
1293
1294 (define-key menu-bar-encryption-decryption-menu [sign-file]
1295   `(menu-item ,(purecopy "Sign File...") epa-sign-file
1296               :help ,(purecopy "Create digital signature of a file")))
1297
1298 (define-key menu-bar-encryption-decryption-menu [verify-file]
1299   `(menu-item ,(purecopy "Verify File...") epa-verify-file
1300               :help ,(purecopy "Verify digital signature of a file")))
1301
1302 (define-key menu-bar-encryption-decryption-menu [encrypt-file]
1303   `(menu-item ,(purecopy "Encrypt File...") epa-encrypt-file
1304               :help ,(purecopy "Encrypt a file")))
1305
1306 (define-key menu-bar-encryption-decryption-menu [decrypt-file]
1307   `(menu-item ,(purecopy "Decrypt File...") epa-decrypt-file
1308               :help ,(purecopy "Decrypt a file")))
1309
1310 (define-key menu-bar-tools-menu [simple-calculator]
1311   `(menu-item ,(purecopy "Simple Calculator") calculator
1312               :help ,(purecopy "Invoke the Emacs built-in quick calculator")))
1313 (define-key menu-bar-tools-menu [calc]
1314   `(menu-item ,(purecopy "Programmable Calculator") calc
1315               :help ,(purecopy "Invoke the Emacs built-in full scientific calculator")))
1316 (define-key menu-bar-tools-menu [calendar]
1317   `(menu-item ,(purecopy "Calendar") calendar
1318               :help ,(purecopy "Invoke the Emacs built-in calendar")))
1319
1320 (define-key menu-bar-tools-menu [separator-net]
1321   menu-bar-separator)
1322
1323 (define-key menu-bar-tools-menu [directory-search]
1324   `(menu-item ,(purecopy "Directory Search") eudc-tools-menu))
1325 (define-key menu-bar-tools-menu [compose-mail]
1326   `(menu-item (format "Send Mail (with %s)" (send-mail-item-name)) compose-mail
1327               :visible (and mail-user-agent (not (eq mail-user-agent 'ignore)))
1328               :help ,(purecopy "Send a mail message")))
1329 (define-key menu-bar-tools-menu [rmail]
1330   `(menu-item (format "Read Mail (with %s)" (read-mail-item-name))
1331               menu-bar-read-mail
1332               :visible (and read-mail-command
1333                             (not (eq read-mail-command 'ignore)))
1334               :help ,(purecopy "Read your mail and reply to it")))
1335
1336 (defun menu-bar-read-mail ()
1337   "Read mail using `read-mail-command'."
1338   (interactive)
1339   (call-interactively read-mail-command))
1340
1341 (define-key menu-bar-tools-menu [gnus]
1342   `(menu-item ,(purecopy "Read Net News (Gnus)") gnus
1343               :help ,(purecopy "Read network news groups")))
1344
1345 (define-key menu-bar-tools-menu [separator-vc]
1346   menu-bar-separator)
1347
1348 (define-key menu-bar-tools-menu [pcl-cvs]
1349   `(menu-item ,(purecopy "PCL-CVS") cvs-global-menu))
1350 (define-key menu-bar-tools-menu [vc] nil) ;Create the place for the VC menu.
1351
1352 (define-key menu-bar-tools-menu [separator-compare]
1353   menu-bar-separator)
1354
1355 (define-key menu-bar-tools-menu [epatch]
1356   `(menu-item ,(purecopy "Apply Patch") menu-bar-epatch-menu))
1357 (define-key menu-bar-tools-menu [ediff-merge]
1358   `(menu-item ,(purecopy "Merge") menu-bar-ediff-merge-menu))
1359 (define-key menu-bar-tools-menu [compare]
1360   `(menu-item ,(purecopy "Compare (Ediff)") menu-bar-ediff-menu))
1361
1362 (define-key menu-bar-tools-menu [separator-spell]
1363   menu-bar-separator)
1364
1365 (define-key menu-bar-tools-menu [spell]
1366   `(menu-item ,(purecopy "Spell Checking") ispell-menu-map))
1367
1368 (define-key menu-bar-tools-menu [separator-prog]
1369   menu-bar-separator)
1370
1371 (define-key menu-bar-tools-menu [semantic]
1372   `(menu-item ,(purecopy "Source Code Parsers (Semantic)")
1373               semantic-mode
1374               :help ,(purecopy "Toggle automatic parsing in source code buffers (Semantic mode)")
1375               :button (:toggle . (bound-and-true-p semantic-mode))))
1376
1377 (define-key menu-bar-tools-menu [ede]
1378   `(menu-item ,(purecopy "Project support (EDE)")
1379               global-ede-mode
1380               :help ,(purecopy "Toggle the Emacs Development Environment (Global EDE mode)")
1381               :button (:toggle . (bound-and-true-p global-ede-mode))))
1382
1383 (define-key menu-bar-tools-menu [gdb]
1384   `(menu-item ,(purecopy "Debugger (GDB)...") gdb
1385               :help ,(purecopy "Debug a program from within Emacs with GDB")))
1386 (define-key menu-bar-tools-menu [shell-on-region]
1387   `(menu-item ,(purecopy "Shell Command on Region...") shell-command-on-region
1388               :enable mark-active
1389               :help ,(purecopy "Pass marked region to a shell command")))
1390 (define-key menu-bar-tools-menu [shell]
1391   `(menu-item ,(purecopy "Shell Command...") shell-command
1392               :help ,(purecopy "Invoke a shell command and catch its output")))
1393 (define-key menu-bar-tools-menu [compile]
1394   `(menu-item ,(purecopy "Compile...") compile
1395               :help ,(purecopy "Invoke compiler or Make, view compilation errors")))
1396 (define-key menu-bar-tools-menu [grep]
1397   `(menu-item ,(purecopy "Search Files (Grep)...") grep
1398               :help ,(purecopy "Search files for strings or regexps (with Grep)")))
1399
1400 \f
1401 ;; The "Help" menu items
1402
1403 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1404
1405 (define-key menu-bar-describe-menu [mule-diag]
1406   `(menu-item ,(purecopy "Show All of Mule Status") mule-diag
1407               :visible (default-value 'enable-multibyte-characters)
1408               :help ,(purecopy "Display multilingual environment settings")))
1409 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1410   `(menu-item ,(purecopy "Describe Coding System (Briefly)")
1411               describe-current-coding-system-briefly
1412               :visible (default-value 'enable-multibyte-characters)))
1413 (define-key menu-bar-describe-menu [describe-coding-system]
1414   `(menu-item ,(purecopy "Describe Coding System...") describe-coding-system
1415               :visible (default-value 'enable-multibyte-characters)))
1416 (define-key menu-bar-describe-menu [describe-input-method]
1417   `(menu-item ,(purecopy "Describe Input Method...") describe-input-method
1418               :visible (default-value 'enable-multibyte-characters)
1419               :help ,(purecopy "Keyboard layout for specific input method")))
1420 (define-key menu-bar-describe-menu [describe-language-environment]
1421   `(menu-item ,(purecopy "Describe Language Environment")
1422               ,describe-language-environment-map))
1423
1424 (define-key menu-bar-describe-menu [separator-desc-mule]
1425   menu-bar-separator)
1426
1427 (define-key menu-bar-describe-menu [list-keybindings]
1428   `(menu-item ,(purecopy "List Key Bindings") describe-bindings
1429               :help ,(purecopy "Display all current key bindings (keyboard shortcuts)")))
1430 (define-key menu-bar-describe-menu [describe-current-display-table]
1431   `(menu-item ,(purecopy "Describe Display Table") describe-current-display-table
1432               :help ,(purecopy "Describe the current display table")))
1433 (define-key menu-bar-describe-menu [describe-face]
1434   `(menu-item ,(purecopy "Describe Face...") describe-face
1435               :help ,(purecopy "Display the properties of a face")))
1436 (define-key menu-bar-describe-menu [describe-variable]
1437   `(menu-item ,(purecopy "Describe Variable...") describe-variable
1438               :help ,(purecopy "Display documentation of variable/option")))
1439 (define-key menu-bar-describe-menu [describe-function]
1440   `(menu-item ,(purecopy "Describe Function...") describe-function
1441               :help ,(purecopy "Display documentation of function/command")))
1442 (define-key menu-bar-describe-menu [describe-key-1]
1443   `(menu-item ,(purecopy "Describe Key or Mouse Operation...") describe-key
1444               ;; Users typically don't identify keys and menu items...
1445               :help ,(purecopy "Display documentation of command bound to a \
1446 key, a click, or a menu-item")))
1447 (define-key menu-bar-describe-menu [describe-mode]
1448   `(menu-item ,(purecopy "Describe Buffer Modes") describe-mode
1449               :help ,(purecopy "Describe this buffer's major and minor mode")))
1450
1451 (defvar menu-bar-search-documentation-menu
1452   (make-sparse-keymap "Search Documentation"))
1453 (defun menu-bar-read-lispref ()
1454   "Display the Emacs Lisp Reference manual in Info mode."
1455   (interactive)
1456   (info "elisp"))
1457
1458 (defun menu-bar-read-lispintro ()
1459   "Display the Introduction to Emacs Lisp Programming in Info mode."
1460   (interactive)
1461   (info "eintr"))
1462
1463 (defun search-emacs-glossary ()
1464   "Display the Glossary node of the Emacs manual in Info mode."
1465   (interactive)
1466   (info "(emacs)Glossary"))
1467
1468 (defun emacs-index-search (topic)
1469   "Look up TOPIC in the indices of the Emacs User Manual."
1470   (interactive "sSubject to look up: ")
1471   (info "emacs")
1472   (Info-index topic))
1473
1474 (defun elisp-index-search (topic)
1475   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1476   (interactive "sSubject to look up: ")
1477   (info "elisp")
1478   (Info-index topic))
1479
1480 (define-key menu-bar-search-documentation-menu [search-documentation-strings]
1481   `(menu-item ,(purecopy "Search Documentation Strings...") apropos-documentation
1482               :help
1483               ,(purecopy "Find functions and variables whose doc strings match a regexp")))
1484 (define-key menu-bar-search-documentation-menu [find-any-object-by-name]
1485   `(menu-item ,(purecopy "Find Any Object by Name...") apropos
1486               :help ,(purecopy "Find symbols of any kind whose names match a regexp")))
1487 (define-key menu-bar-search-documentation-menu [find-option-by-value]
1488   `(menu-item ,(purecopy "Find Options by Value...") apropos-value
1489               :help ,(purecopy "Find variables whose values match a regexp")))
1490 (define-key menu-bar-search-documentation-menu [find-options-by-name]
1491   `(menu-item ,(purecopy "Find Options by Name...") apropos-variable
1492               :help ,(purecopy "Find variables whose names match a regexp")))
1493 (define-key menu-bar-search-documentation-menu [find-commands-by-name]
1494   `(menu-item ,(purecopy "Find Commands by Name...") apropos-command
1495               :help ,(purecopy "Find commands whose names match a regexp")))
1496 (define-key menu-bar-search-documentation-menu [sep1]
1497   menu-bar-separator)
1498 (define-key menu-bar-search-documentation-menu [lookup-command-in-manual]
1499   `(menu-item ,(purecopy "Look Up Command in User Manual...") Info-goto-emacs-command-node
1500               :help ,(purecopy "Display manual section that describes a command")))
1501 (define-key menu-bar-search-documentation-menu [lookup-key-in-manual]
1502   `(menu-item ,(purecopy "Look Up Key in User Manual...") Info-goto-emacs-key-command-node
1503               :help ,(purecopy "Display manual section that describes a key")))
1504 (define-key menu-bar-search-documentation-menu [lookup-subject-in-elisp-manual]
1505   `(menu-item ,(purecopy "Look Up Subject in ELisp Manual...") elisp-index-search
1506               :help ,(purecopy "Find description of a subject in Emacs Lisp manual")))
1507 (define-key menu-bar-search-documentation-menu [lookup-subject-in-emacs-manual]
1508   `(menu-item ,(purecopy "Look Up Subject in User Manual...") emacs-index-search
1509               :help ,(purecopy "Find description of a subject in Emacs User manual")))
1510 (define-key menu-bar-search-documentation-menu [emacs-terminology]
1511   `(menu-item ,(purecopy "Emacs Terminology") search-emacs-glossary
1512               :help ,(purecopy "Display the Glossary section of the Emacs manual")))
1513
1514 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1515
1516 (define-key menu-bar-manuals-menu [man]
1517   `(menu-item ,(purecopy "Read Man Page...") manual-entry
1518               :help ,(purecopy "Man-page docs for external commands and libraries")))
1519 (define-key menu-bar-manuals-menu [sep2]
1520   menu-bar-separator)
1521 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1522   `(menu-item ,(purecopy "Ordering Manuals") view-order-manuals
1523               :help ,(purecopy "How to order manuals from the Free Software Foundation")))
1524 (define-key menu-bar-manuals-menu [lookup-subject-in-all-manuals]
1525   `(menu-item ,(purecopy "Lookup Subject in all Manuals...") info-apropos
1526               :help ,(purecopy "Find description of a subject in all installed manuals")))
1527 (define-key menu-bar-manuals-menu [other-manuals]
1528   `(menu-item ,(purecopy "All Other Manuals (Info)") Info-directory
1529               :help ,(purecopy "Read any of the installed manuals")))
1530 (define-key menu-bar-manuals-menu [emacs-lisp-reference]
1531   `(menu-item ,(purecopy "Emacs Lisp Reference") menu-bar-read-lispref
1532               :help ,(purecopy "Read the Emacs Lisp Reference manual")))
1533 (define-key menu-bar-manuals-menu [emacs-lisp-intro]
1534   `(menu-item ,(purecopy "Introduction to Emacs Lisp") menu-bar-read-lispintro
1535               :help ,(purecopy "Read the Introduction to Emacs Lisp Programming")))
1536
1537 (define-key menu-bar-help-menu [about-gnu-project]
1538   `(menu-item ,(purecopy "About GNU") describe-gnu-project
1539               :help ,(purecopy "About the GNU System, GNU Project, and GNU/Linux")))
1540 (define-key menu-bar-help-menu [about-emacs]
1541   `(menu-item ,(purecopy "About Emacs") about-emacs
1542               :help ,(purecopy "Display version number, copyright info, and basic help")))
1543 (define-key menu-bar-help-menu [sep4]
1544   menu-bar-separator)
1545 (define-key menu-bar-help-menu [describe-no-warranty]
1546   `(menu-item ,(purecopy "(Non)Warranty") describe-no-warranty
1547               :help ,(purecopy "Explain that Emacs has NO WARRANTY")))
1548 (define-key menu-bar-help-menu [describe-copying]
1549   `(menu-item ,(purecopy "Copying Conditions") describe-copying
1550               :help ,(purecopy "Show the Emacs license (GPL)")))
1551 (define-key menu-bar-help-menu [getting-new-versions]
1552   `(menu-item ,(purecopy "Getting New Versions") describe-distribution
1553               :help ,(purecopy "How to get the latest version of Emacs")))
1554 (defun menu-bar-help-extra-packages ()
1555   "Display help about some additional packages available for Emacs."
1556   (interactive)
1557   (let (enable-local-variables)
1558     (view-file (expand-file-name "MORE.STUFF"
1559                                  data-directory))
1560     (goto-address-mode 1)))
1561 (define-key menu-bar-help-menu [sep2]
1562   menu-bar-separator)
1563 (define-key menu-bar-help-menu [external-packages]
1564   `(menu-item ,(purecopy "External Packages") menu-bar-help-extra-packages
1565               :help ,(purecopy "Lisp packages distributed separately for use in Emacs")))
1566 (define-key menu-bar-help-menu [find-emacs-packages]
1567   `(menu-item ,(purecopy "Find Emacs Packages") finder-by-keyword
1568               :help ,(purecopy "Find packages and features by keyword")))
1569 (define-key menu-bar-help-menu [more-manuals]
1570   `(menu-item ,(purecopy "More Manuals") ,menu-bar-manuals-menu))
1571 (define-key menu-bar-help-menu [emacs-manual]
1572   `(menu-item ,(purecopy "Read the Emacs Manual") info-emacs-manual
1573               :help ,(purecopy "Full documentation of Emacs features")))
1574 (define-key menu-bar-help-menu [describe]
1575   `(menu-item ,(purecopy "Describe") ,menu-bar-describe-menu))
1576 (define-key menu-bar-help-menu [search-documentation]
1577   `(menu-item ,(purecopy "Search Documentation") ,menu-bar-search-documentation-menu))
1578 (define-key menu-bar-help-menu [sep1]
1579   menu-bar-separator)
1580 (define-key menu-bar-help-menu [emacs-psychotherapist]
1581   `(menu-item ,(purecopy "Emacs Psychotherapist") doctor
1582               :help ,(purecopy "Our doctor will help you feel better")))
1583 (define-key menu-bar-help-menu [send-emacs-bug-report]
1584   `(menu-item ,(purecopy "Send Bug Report...") report-emacs-bug
1585               :help ,(purecopy "Send e-mail to Emacs maintainers")))
1586 (define-key menu-bar-help-menu [emacs-known-problems]
1587   `(menu-item ,(purecopy "Emacs Known Problems") view-emacs-problems
1588               :help ,(purecopy "Read about known problems with Emacs")))
1589 (define-key menu-bar-help-menu [emacs-news]
1590   `(menu-item ,(purecopy "Emacs News") view-emacs-news
1591               :help ,(purecopy "New features of this version")))
1592 (define-key menu-bar-help-menu [emacs-faq]
1593   `(menu-item ,(purecopy "Emacs FAQ") view-emacs-FAQ
1594               :help ,(purecopy "Frequently asked (and answered) questions about Emacs")))
1595
1596 (defun help-with-tutorial-spec-language ()
1597   "Use the Emacs tutorial, specifying which language you want."
1598   (interactive)
1599   (help-with-tutorial t))
1600
1601 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1602   `(menu-item ,(purecopy "Emacs Tutorial (choose language)...")
1603               help-with-tutorial-spec-language
1604               :help ,(purecopy "Learn how to use Emacs (choose a language)")))
1605 (define-key menu-bar-help-menu [emacs-tutorial]
1606   `(menu-item ,(purecopy "Emacs Tutorial") help-with-tutorial
1607               :help ,(purecopy "Learn how to use Emacs")))
1608
1609 (defun menu-bar-menu-frame-live-and-visible-p ()
1610   "Return non-nil if the menu frame is alive and visible.
1611 The menu frame is the frame for which we are updating the menu."
1612   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1613     (and (frame-live-p menu-frame)
1614          (frame-visible-p menu-frame))))
1615
1616 (defun menu-bar-non-minibuffer-window-p ()
1617   "Return non-nil if selected window of the menu frame is not a minibuf window.
1618
1619 See the documentation of `menu-bar-menu-frame-live-and-visible-p'
1620 for the definition of the menu frame."
1621   (let ((menu-frame (or menu-updating-frame (selected-frame))))
1622     (not (window-minibuffer-p (frame-selected-window menu-frame)))))
1623
1624 (defun kill-this-buffer ()      ; for the menu bar
1625   "Kill the current buffer.
1626 When called in the minibuffer, get out of the minibuffer
1627 using `abort-recursive-edit'."
1628   (interactive)
1629   (if (menu-bar-non-minibuffer-window-p)
1630       (kill-buffer (current-buffer))
1631     (abort-recursive-edit)))
1632
1633 (defun kill-this-buffer-enabled-p ()
1634   (let ((count 0)
1635         (buffers (buffer-list)))
1636     (while buffers
1637       (or (string-match "^ " (buffer-name (car buffers)))
1638           (setq count (1+ count)))
1639       (setq buffers (cdr buffers)))
1640     (or (not (menu-bar-non-minibuffer-window-p))
1641         (> count 1))))
1642
1643 (put 'dired 'menu-enable '(menu-bar-non-minibuffer-window-p))
1644
1645 ;; Permit deleting frame if it would leave a visible or iconified frame.
1646 (defun delete-frame-enabled-p ()
1647   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1648   (let ((frames (frame-list))
1649         (count 0))
1650     (while frames
1651       (if (frame-visible-p (car frames))
1652           (setq count (1+ count)))
1653       (setq frames (cdr frames)))
1654     (> count 1)))
1655
1656 (defcustom yank-menu-length 20
1657   "Maximum length to display in the yank-menu."
1658   :type 'integer
1659   :group 'menu)
1660
1661 (defun menu-bar-update-yank-menu (string old)
1662   (let ((front (car (cdr yank-menu)))
1663         (menu-string (if (<= (length string) yank-menu-length)
1664                          string
1665                        (concat
1666                         (substring string 0 (/ yank-menu-length 2))
1667                         "..."
1668                         (substring string (- (/ yank-menu-length 2)))))))
1669     ;; Don't let the menu string be all dashes
1670     ;; because that has a special meaning in a menu.
1671     (if (string-match "\\`-+\\'" menu-string)
1672         (setq menu-string (concat menu-string " ")))
1673     ;; If we're supposed to be extending an existing string, and that
1674     ;; string really is at the front of the menu, then update it in place.
1675     (if (and old (or (eq old (car front))
1676                      (string= old (car front))))
1677         (progn
1678           (setcar front string)
1679           (setcar (cdr front) menu-string))
1680       (setcdr yank-menu
1681               (cons
1682                (cons string (cons menu-string 'menu-bar-select-yank))
1683                (cdr yank-menu)))))
1684   (if (> (length (cdr yank-menu)) kill-ring-max)
1685       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1686
1687 (put 'menu-bar-select-yank 'apropos-inhibit t)
1688 (defun menu-bar-select-yank ()
1689   "Insert the stretch of previously-killed text selected from menu.
1690 The menu shows all the killed text sequences stored in `kill-ring'."
1691   (interactive "*")
1692   (push-mark (point))
1693   (insert last-command-event))
1694
1695 \f
1696 ;;; Buffers Menu
1697
1698 (defcustom buffers-menu-max-size 10
1699   "Maximum number of entries which may appear on the Buffers menu.
1700 If this is 10, then only the ten most-recently-selected buffers are shown.
1701 If this is nil, then all buffers are shown.
1702 A large number or nil slows down menu responsiveness."
1703   :type '(choice integer
1704                  (const :tag "All" nil))
1705   :group 'menu)
1706
1707 (defcustom buffers-menu-buffer-name-length 30
1708   "Maximum length of the buffer name on the Buffers menu.
1709 If this is a number, then buffer names are truncated to this length.
1710 If this is nil, then buffer names are shown in full.
1711 A large number or nil makes the menu too wide."
1712   :type '(choice integer
1713                  (const :tag "Full length" nil))
1714   :group 'menu)
1715
1716 (defcustom buffers-menu-show-directories 'unless-uniquify
1717   "If non-nil, show directories in the Buffers menu for buffers that have them.
1718 The special value `unless-uniquify' means that directories will be shown
1719 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1720 names should include enough of a buffer's directory to distinguish it
1721 from other buffers).
1722
1723 Setting this variable directly does not take effect until next time the
1724 Buffers menu is regenerated."
1725   :set (lambda (symbol value)
1726          (set symbol value)
1727          (menu-bar-update-buffers t))
1728   :initialize 'custom-initialize-default
1729   :type '(choice (const :tag "Never" nil)
1730                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1731                  (const :tag "Always" t))
1732   :group 'menu)
1733
1734 (defcustom buffers-menu-show-status t
1735   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1736 Setting this variable directly does not take effect until next time the
1737 Buffers menu is regenerated."
1738   :set (lambda (symbol value)
1739          (set symbol value)
1740          (menu-bar-update-buffers t))
1741   :initialize 'custom-initialize-default
1742   :type 'boolean
1743   :group 'menu)
1744
1745 (defvar list-buffers-directory nil
1746   "String to display in buffer listings for buffers not visiting a file.")
1747 (make-variable-buffer-local 'list-buffers-directory)
1748
1749 (defun menu-bar-select-buffer ()
1750   (interactive)
1751   (switch-to-buffer last-command-event))
1752
1753 (defun menu-bar-select-frame (frame)
1754   (make-frame-visible frame)
1755   (raise-frame frame)
1756   (select-frame frame))
1757
1758 (defun menu-bar-update-buffers-1 (elt)
1759   (let* ((buf (car elt))
1760          (file
1761           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1762                    (or (not (boundp 'uniquify-buffer-name-style))
1763                        (null uniquify-buffer-name-style))
1764                  buffers-menu-show-directories)
1765                (or (buffer-file-name buf)
1766                    (buffer-local-value 'list-buffers-directory buf)))))
1767     (when file
1768       (setq file (file-name-directory file)))
1769     (when (and file (> (length file) 20))
1770       (setq file (concat "..." (substring file -17))))
1771     (cons (if buffers-menu-show-status
1772               (let ((mod (if (buffer-modified-p buf) "*" ""))
1773                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1774                 (if file
1775                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1776                   (format "%s  %s%s" (cdr elt) mod ro)))
1777             (if file
1778                 (format "%s  --  %s"  (cdr elt) file)
1779               (cdr elt)))
1780           buf)))
1781
1782 ;; Used to cache the menu entries for commands in the Buffers menu
1783 (defvar menu-bar-buffers-menu-command-entries nil)
1784
1785 (defun menu-bar-update-buffers (&optional force)
1786   ;; If user discards the Buffers item, play along.
1787   (and (lookup-key (current-global-map) [menu-bar buffer])
1788        (or force (frame-or-buffer-changed-p))
1789        (let ((buffers (buffer-list))
1790              (frames (frame-list))
1791              buffers-menu)
1792          ;; If requested, list only the N most recently selected buffers.
1793          (if (and (integerp buffers-menu-max-size)
1794                   (> buffers-menu-max-size 1))
1795              (if (> (length buffers) buffers-menu-max-size)
1796                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1797
1798          ;; Make the menu of buffers proper.
1799          (setq buffers-menu
1800                (let (alist)
1801                  ;; Put into each element of buffer-list
1802                  ;; the name for actual display,
1803                  ;; perhaps truncated in the middle.
1804                  (dolist (buf buffers)
1805                    (let ((name (buffer-name buf)))
1806                      (unless (eq ?\s (aref name 0))
1807                        (push (menu-bar-update-buffers-1
1808                               (cons buf
1809                                     (if (and (integerp buffers-menu-buffer-name-length)
1810                                              (> (length name) buffers-menu-buffer-name-length))
1811                                         (concat
1812                                          (substring
1813                                           name 0 (/ buffers-menu-buffer-name-length 2))
1814                                          "..."
1815                                          (substring
1816                                           name (- (/ buffers-menu-buffer-name-length 2))))
1817                                       name)
1818                                     ))
1819                              alist))))
1820                  ;; Now make the actual list of items.
1821                  (let ((buffers-vec (make-vector (length alist) nil))
1822                        (i (length alist)))
1823                    (dolist (pair alist)
1824                      (setq i (1- i))
1825                      (aset buffers-vec i
1826                            (nconc (list (car pair)
1827                                         (cons nil nil))
1828                                   `(lambda ()
1829                                      (interactive)
1830                                      (switch-to-buffer ,(cdr pair))))))
1831                    (list buffers-vec))))
1832
1833          ;; Make a Frames menu if we have more than one frame.
1834          (when (cdr frames)
1835            (let* ((frames-vec (make-vector (length frames) nil))
1836                   (frames-menu
1837                    (cons 'keymap
1838                          (list "Select Frame" frames-vec)))
1839                   (i 0))
1840              (dolist (frame frames)
1841                (aset frames-vec i
1842                      (nconc
1843                       (list
1844                        (frame-parameter frame 'name)
1845                        (cons nil nil))
1846                       `(lambda ()
1847                          (interactive) (menu-bar-select-frame ,frame))))
1848                (setq i (1+ i)))
1849              ;; Put it after the normal buffers
1850              (setq buffers-menu
1851                    (nconc buffers-menu
1852                           `((frames-separator "--")
1853                             (frames menu-item "Frames" ,frames-menu))))))
1854
1855          ;; Add in some normal commands at the end of the menu.  We use
1856          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1857          ;; if it's been set already.  Note that we can't use constant
1858          ;; lists for the menu-entries, because the low-level menu-code
1859          ;; modifies them.
1860          (unless menu-bar-buffers-menu-command-entries
1861            (setq menu-bar-buffers-menu-command-entries
1862                  (list '(command-separator "--")
1863                        (list 'next-buffer
1864                              'menu-item
1865                              "Next Buffer"
1866                              'next-buffer
1867                              :help "Switch to the \"next\" buffer in a cyclic order")
1868                        (list 'previous-buffer
1869                              'menu-item
1870                              "Previous Buffer"
1871                              'previous-buffer
1872                              :help "Switch to the \"previous\" buffer in a cyclic order")
1873                        (list 'select-named-buffer
1874                              'menu-item
1875                              "Select Named Buffer..."
1876                              'switch-to-buffer
1877                              :help "Prompt for a buffer name, and select that buffer in the current window")
1878                        (list 'list-all-buffers
1879                              'menu-item
1880                              "List All Buffers"
1881                              'list-buffers
1882                              :help "Pop up a window listing all Emacs buffers"
1883                              ))))
1884          (setq buffers-menu
1885                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1886
1887          ;; We used to "(define-key (current-global-map) [menu-bar buffer]"
1888          ;; but that did not do the right thing when the [menu-bar buffer]
1889          ;; entry above had been moved (e.g. to a parent keymap).
1890          (setcdr global-buffers-menu-map (cons "Select Buffer" buffers-menu)))))
1891
1892 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1893
1894 (menu-bar-update-buffers)
1895
1896 ;; this version is too slow
1897 ;;(defun format-buffers-menu-line (buffer)
1898 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1899 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1900 ;;  (if (string-match "\\` " (buffer-name buffer))
1901 ;;      nil
1902 ;;    (with-current-buffer buffer
1903 ;;     (let ((size (buffer-size)))
1904 ;;       (format "%s%s %-19s %6s %-15s %s"
1905 ;;             (if (buffer-modified-p) "*" " ")
1906 ;;             (if buffer-read-only "%" " ")
1907 ;;             (buffer-name)
1908 ;;             size
1909 ;;             mode-name
1910 ;;             (or (buffer-file-name) ""))))))
1911 \f
1912 ;;; Set up a menu bar menu for the minibuffer.
1913
1914 (dolist (map (list minibuffer-local-map
1915                    ;; This shouldn't be necessary, but there's a funny
1916                    ;; bug in keymap.c that I don't understand yet.  -stef
1917                    minibuffer-local-completion-map))
1918   (define-key map [menu-bar minibuf]
1919     (cons (purecopy "Minibuf") (make-sparse-keymap "Minibuf"))))
1920
1921 (let ((map minibuffer-local-completion-map))
1922   (define-key map [menu-bar minibuf ?\?]
1923     `(menu-item ,(purecopy "List Completions") minibuffer-completion-help
1924                 :help ,(purecopy "Display all possible completions")))
1925   (define-key map [menu-bar minibuf space]
1926     `(menu-item ,(purecopy "Complete Word") minibuffer-complete-word
1927                 :help ,(purecopy "Complete at most one word")))
1928   (define-key map [menu-bar minibuf tab]
1929     `(menu-item ,(purecopy "Complete") minibuffer-complete
1930                 :help ,(purecopy "Complete as far as possible"))))
1931
1932 (let ((map minibuffer-local-map))
1933   (define-key map [menu-bar minibuf quit]
1934     `(menu-item ,(purecopy "Quit") abort-recursive-edit
1935                 :help ,(purecopy "Abort input and exit minibuffer")))
1936   (define-key map [menu-bar minibuf return]
1937     `(menu-item ,(purecopy "Enter") exit-minibuffer
1938                 :key-sequence ,(purecopy "\r")
1939                 :help ,(purecopy "Terminate input and exit minibuffer")))
1940   (define-key map [menu-bar minibuf isearch-forward]
1941     `(menu-item ,(purecopy "Isearch History Forward") isearch-forward
1942                 :help ,(purecopy "Incrementally search minibuffer history forward")))
1943   (define-key map [menu-bar minibuf isearch-backward]
1944     `(menu-item ,(purecopy "Isearch History Backward") isearch-backward
1945                 :help ,(purecopy "Incrementally search minibuffer history backward")))
1946   (define-key map [menu-bar minibuf next]
1947     `(menu-item ,(purecopy "Next History Item") next-history-element
1948                 :help ,(purecopy "Put next minibuffer history element in the minibuffer")))
1949   (define-key map [menu-bar minibuf previous]
1950     `(menu-item ,(purecopy "Previous History Item") previous-history-element
1951                 :help ,(purecopy "Put previous minibuffer history element in the minibuffer"))))
1952 \f
1953 (define-minor-mode menu-bar-mode
1954   "Toggle display of a menu bar on each frame.
1955 This command applies to all frames that exist and frames to be
1956 created in the future.
1957 With a numeric argument, if the argument is positive,
1958 turn on menu bars; otherwise, turn off menu bars."
1959   :init-value nil
1960   :global t
1961   :group 'frames
1962
1963   ;; Make menu-bar-mode and default-frame-alist consistent.
1964   (modify-all-frames-parameters (list (cons 'menu-bar-lines
1965                                             (if menu-bar-mode 1 0))))
1966
1967   ;; Make the message appear when Emacs is idle.  We can not call message
1968   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1969   ;; after this function returns, overwriting any message we do here.
1970   (when (and (called-interactively-p 'interactive) (not menu-bar-mode))
1971     (run-with-idle-timer 0 nil 'message
1972                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1973   menu-bar-mode)
1974
1975 ;;;###autoload
1976 ;; (This does not work right unless it comes after the above definition.)
1977 ;; This comment is taken from tool-bar.el near
1978 ;; (put 'tool-bar-mode ...)
1979 ;; We want to pretend the menu bar by standard is on, as this will make
1980 ;; customize consider disabling the menu bar a customization, and save
1981 ;; that.  We could do this for real by setting :init-value above, but
1982 ;; that would overwrite disabling the menu bar from X resources.
1983 (put 'menu-bar-mode 'standard-value '(t))
1984
1985 (defun toggle-menu-bar-mode-from-frame (&optional arg)
1986   "Toggle menu bar on or off, based on the status of the current frame.
1987 See `menu-bar-mode' for more information."
1988   (interactive (list (or current-prefix-arg 'toggle)))
1989   (if (eq arg 'toggle)
1990       (menu-bar-mode (if (> (frame-parameter nil 'menu-bar-lines) 0) 0 1))
1991     (menu-bar-mode arg)))
1992
1993 (declare-function x-menu-bar-open "term/x-win" (&optional frame))
1994 (declare-function w32-menu-bar-open "term/w32-win" (&optional frame))
1995
1996 (defun menu-bar-open (&optional frame)
1997   "Start key navigation of the menu bar in FRAME.
1998
1999 This function decides which method to use to access the menu
2000 depending on FRAME's terminal device.  On X displays, it calls
2001 `x-menu-bar-open'; on Windows, `w32-menu-bar-open' otherwise it
2002 calls `tmm-menubar'.
2003
2004 If FRAME is nil or not given, use the selected frame."
2005   (interactive)
2006   (let ((type (framep (or frame (selected-frame)))))
2007     (cond
2008      ((eq type 'x) (x-menu-bar-open frame))
2009      ((eq type 'w32) (w32-menu-bar-open frame))
2010      (t (with-selected-frame (or frame (selected-frame))
2011           (tmm-menubar))))))
2012
2013 (global-set-key [f10] 'menu-bar-open)
2014
2015 (provide 'menu-bar)
2016
2017 ;;; menu-bar.el ends here