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,
   4 ;;   2005 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 2, or (at your option)
  15 ;; any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  25 ;; Boston, MA 02110-1301, USA.
  26
  27 ;; Avishai Yacobi suggested some menu rearrangements.
  28
  29 ;;; Commentary:
  30
  31 ;;; Code:
  32
  33 ;;; User options:
  34
  35 (defcustom buffers-menu-max-size 10
  36   "*Maximum number of entries which may appear on the Buffers menu.
  37 If this is 10, then only the ten most-recently-selected buffers are shown.
  38 If this is nil, then all buffers are shown.
  39 A large number or nil slows down menu responsiveness."
  40   :type '(choice integer
  41                  (const :tag "All" nil))
  42   :group 'mouse)
  43
  44 ;; Don't clobber an existing menu-bar keymap, to preserve any menu-bar key
  45 ;; definitions made in loaddefs.el.
  46 (or (lookup-key global-map [menu-bar])
  47     (define-key global-map [menu-bar] (make-sparse-keymap "menu-bar")))
  48 (defvar menu-bar-help-menu (make-sparse-keymap "Help"))
  49
  50 ;; Force Help item to come last, after the major mode's own items.
  51 ;; The symbol used to be called `help', but that gets confused with the
  52 ;; help key.
  53 (setq menu-bar-final-items '(help-menu))
  54
  55 (define-key global-map [menu-bar help-menu] (cons "Help" menu-bar-help-menu))
  56 (defvar menu-bar-tools-menu (make-sparse-keymap "Tools"))
  57 (define-key global-map [menu-bar tools] (cons "Tools" menu-bar-tools-menu))
  58 ;; This definition is just to show what this looks like.
  59 ;; It gets overridden below when menu-bar-update-buffers is called.
  60 (define-key global-map [menu-bar buffer]
  61   (cons "Buffers" (make-sparse-keymap "Buffers")))
  62 (defvar menu-bar-options-menu (make-sparse-keymap "Options"))
  63 (define-key global-map [menu-bar options]
  64   (cons "Options" menu-bar-options-menu))
  65 (defvar menu-bar-edit-menu (make-sparse-keymap "Edit"))
  66 (define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu))
  67 (defvar menu-bar-file-menu (make-sparse-keymap "File"))
  68 (define-key global-map [menu-bar file] (cons "File" menu-bar-file-menu))
  69
  70 ;; This alias is for compatibility with 19.28 and before.
  71 (defvar menu-bar-files-menu menu-bar-file-menu)
  72
  73 ;; This is referenced by some code below; it is defined in uniquify.el
  74 (defvar uniquify-buffer-name-style)
  75
  76 \f
  77 ;; The "File" menu items
  78 (define-key menu-bar-file-menu [exit-emacs]
  79   '(menu-item "Exit Emacs" save-buffers-kill-emacs
  80               :help "Save unsaved buffers, then exit"))
  81
  82 (define-key menu-bar-file-menu [separator-exit]
  83   '("--"))
  84
  85 ;; Don't use delete-frame as event name because that is a special
  86 ;; event.
  87 (define-key menu-bar-file-menu [delete-this-frame]
  88   '(menu-item "Delete Frame" delete-frame
  89               :visible (fboundp 'delete-frame)
  90               :enable (delete-frame-enabled-p)
  91               :help "Delete currently selected frame"))
  92 (define-key menu-bar-file-menu [make-frame-on-display]
  93   '(menu-item "New Frame on Display..." make-frame-on-display
  94               :visible (fboundp 'make-frame-on-display)
  95               :help "Open a new frame on another display"))
  96 (define-key menu-bar-file-menu [make-frame]
  97   '(menu-item "New Frame" make-frame-command
  98               :visible (fboundp 'make-frame-command)
  99               :help "Open a new frame"))
 100
 101 (define-key menu-bar-file-menu [one-window]
 102   '(menu-item "Remove Splits" delete-other-windows
 103               :enable (not (one-window-p t nil))
 104               :help "Selected window grows to fill the whole frame"))
 105
 106 (define-key menu-bar-file-menu [split-window]
 107   '(menu-item "Split Window" split-window-vertically
 108               :enable (or (not (display-multi-frame-p))
 109                           (and (frame-live-p menu-updating-frame)
 110                                (frame-visible-p menu-updating-frame )
 111                                (not (window-minibuffer-p
 112                                      (frame-selected-window
 113                                       menu-updating-frame)))))
 114               :help "Split selected window in two windows"))
 115
 116 (define-key menu-bar-file-menu [separator-window]
 117   '(menu-item "--"))
 118
 119 (define-key menu-bar-file-menu [ps-print-region]
 120   '(menu-item "Postscript Print Region (B+W)" ps-print-region
 121               :enable mark-active
 122               :help "Pretty-print marked region in black and white to PostScript printer"))
 123 (define-key menu-bar-file-menu [ps-print-buffer]
 124   '(menu-item "Postscript Print Buffer (B+W)" ps-print-buffer
 125               :enable (or (not (display-multi-frame-p))
 126                           (and (frame-live-p menu-updating-frame)
 127                                (frame-visible-p menu-updating-frame)))
 128               :help "Pretty-print current buffer in black and white to PostScript printer"))
 129 (define-key menu-bar-file-menu [ps-print-region-faces]
 130   '(menu-item "Postscript Print Region" ps-print-region-with-faces
 131               :enable mark-active
 132               :help "Pretty-print marked region to PostScript printer"))
 133 (define-key menu-bar-file-menu [ps-print-buffer-faces]
 134   '(menu-item "Postscript Print Buffer" ps-print-buffer-with-faces
 135               :enable (or (not (display-multi-frame-p))
 136                           (and (frame-live-p menu-updating-frame)
 137                                (frame-visible-p menu-updating-frame)))
 138               :help "Pretty-print current buffer to PostScript printer"))
 139 (define-key menu-bar-file-menu [print-region]
 140   '(menu-item "Print Region" print-region
 141               :enable mark-active
 142               :help "Print region between mark and current position"))
 143 (define-key menu-bar-file-menu [print-buffer]
 144   '(menu-item "Print Buffer" print-buffer
 145               :enable (or (not (display-multi-frame-p))
 146                           (and (frame-live-p menu-updating-frame)
 147                                (frame-visible-p menu-updating-frame)))
 148               :help "Print current buffer with page headings"))
 149
 150 (define-key menu-bar-file-menu [separator-print]
 151   '(menu-item "--"))
 152
 153 (define-key menu-bar-file-menu [recover-session]
 154   '(menu-item "Recover Crashed Session" recover-session
 155               :enable (and auto-save-list-file-prefix
 156                            (file-directory-p
 157                             (file-name-directory auto-save-list-file-prefix))
 158                            (directory-files
 159                             (file-name-directory auto-save-list-file-prefix)
 160                             nil
 161                             (concat "\\`"
 162                                     (regexp-quote
 163                                      (file-name-nondirectory
 164                                       auto-save-list-file-prefix)))
 165                             t))
 166               :help "Recover edits from a crashed session"))
 167 (define-key menu-bar-file-menu [revert-buffer]
 168   '(menu-item "Revert Buffer" revert-buffer
 169               :enable (or revert-buffer-function
 170                           revert-buffer-insert-file-contents-function
 171                           (and buffer-file-number
 172                                (or (buffer-modified-p)
 173                                    (not (verify-visited-file-modtime
 174                                          (current-buffer))))))
 175               :help "Re-read current buffer from its file"))
 176 (define-key menu-bar-file-menu [write-file]
 177   '(menu-item "Save As..." write-file
 178               :enable (or (not (display-multi-frame-p))
 179                           (and (frame-live-p menu-updating-frame)
 180                                (frame-visible-p menu-updating-frame )
 181                                (not (window-minibuffer-p
 182                                      (frame-selected-window
 183                                       menu-updating-frame)))))
 184               :help "Write current buffer to another file"))
 185 (define-key menu-bar-file-menu [save-buffer]
 186   '(menu-item "Save" save-buffer
 187               :enable (and (buffer-modified-p)
 188                            (buffer-file-name)
 189                            (or (not (display-multi-frame-p))
 190                                (not (window-minibuffer-p
 191                                      (frame-selected-window
 192                                       menu-updating-frame)))))
 193               :help "Save current buffer to its file"))
 194
 195 (define-key menu-bar-file-menu [separator-save]
 196   '(menu-item "--"))
 197
 198 (define-key menu-bar-file-menu [kill-buffer]
 199   '(menu-item "Close" kill-this-buffer
 200               :enable (kill-this-buffer-enabled-p)
 201               :help "Discard (kill) current buffer"))
 202 (define-key menu-bar-file-menu [insert-file]
 203   '(menu-item "Insert File..." insert-file
 204               :enable (or (not (display-multi-frame-p))
 205                           (and (not (window-minibuffer-p
 206                                      (frame-selected-window
 207                                       menu-updating-frame)))))
 208               :help "Insert another file into current buffer"))
 209 (define-key menu-bar-file-menu [dired]
 210   '(menu-item "Open Directory..." dired
 211               :enable (or (not (display-multi-frame-p))
 212                           (not (window-minibuffer-p
 213                                 (frame-selected-window menu-updating-frame))))
 214               :help "Read a directory, operate on its files"))
 215 (define-key menu-bar-file-menu [open-file]
 216   '(menu-item "Open File..." find-file-existing
 217               :enable (or (not (display-multi-frame-p))
 218                           (not (window-minibuffer-p
 219                                 (frame-selected-window menu-updating-frame))))
 220               :help "Read an existing file into an Emacs buffer"))
 221 (define-key menu-bar-file-menu [new-file]
 222   '(menu-item "Visit New File..." find-file
 223               :enable (or (not (display-multi-frame-p))
 224                           (not (window-minibuffer-p
 225                                 (frame-selected-window menu-updating-frame))))
 226               :help "Read or create a file and edit it"))
 227
 228 \f
 229 ;; The "Edit" menu items
 230
 231 ;; The "Edit->Search" submenu
 232 (defvar menu-bar-last-search-type nil
 233   "Type of last non-incremental search command called from the menu.")
 234
 235 (defun nonincremental-repeat-search-forward ()
 236   "Search forward for the previous search string or regexp."
 237   (interactive)
 238   (cond
 239    ((and (eq menu-bar-last-search-type 'string)
 240          search-ring)
 241     (search-forward (car search-ring)))
 242    ((and (eq menu-bar-last-search-type 'regexp)
 243          regexp-search-ring)
 244     (re-search-forward (car regexp-search-ring)))
 245    (t
 246     (error "No previous search"))))
 247
 248 (defun nonincremental-repeat-search-backward ()
 249   "Search backward for the previous search string or regexp."
 250   (interactive)
 251   (cond
 252    ((and (eq menu-bar-last-search-type 'string)
 253          search-ring)
 254     (search-backward (car search-ring)))
 255    ((and (eq menu-bar-last-search-type 'regexp)
 256          regexp-search-ring)
 257     (re-search-backward (car regexp-search-ring)))
 258    (t
 259     (error "No previous search"))))
 260
 261 (defun nonincremental-search-forward (string)
 262   "Read a string and search for it nonincrementally."
 263   (interactive "sSearch for string: ")
 264   (setq menu-bar-last-search-type 'string)
 265   (if (equal string "")
 266       (search-forward (car search-ring))
 267     (isearch-update-ring string nil)
 268     (search-forward string)))
 269
 270 (defun nonincremental-search-backward (string)
 271   "Read a string and search backward for it nonincrementally."
 272   (interactive "sSearch for string: ")
 273   (setq menu-bar-last-search-type 'string)
 274   (if (equal string "")
 275       (search-backward (car search-ring))
 276     (isearch-update-ring string nil)
 277     (search-backward string)))
 278
 279 (defun nonincremental-re-search-forward (string)
 280   "Read a regular expression and search for it nonincrementally."
 281   (interactive "sSearch for regexp: ")
 282   (setq menu-bar-last-search-type 'regexp)
 283   (if (equal string "")
 284       (re-search-forward (car regexp-search-ring))
 285     (isearch-update-ring string t)
 286     (re-search-forward string)))
 287
 288 (defun nonincremental-re-search-backward (string)
 289   "Read a regular expression and search backward for it nonincrementally."
 290   (interactive "sSearch for regexp: ")
 291   (setq menu-bar-last-search-type 'regexp)
 292   (if (equal string "")
 293       (re-search-backward (car regexp-search-ring))
 294     (isearch-update-ring string t)
 295     (re-search-backward string)))
 296
 297 (defvar menu-bar-search-menu (make-sparse-keymap "Search"))
 298
 299 ;; The Edit->Search->Incremental Search menu
 300 (defvar menu-bar-i-search-menu
 301   (make-sparse-keymap "Incremental Search"))
 302
 303 (define-key menu-bar-i-search-menu [isearch-backward-regexp]
 304   '(menu-item "Backward Regexp..." isearch-backward-regexp
 305               :help "Search backwards for a regular expression as you type it"))
 306 (define-key menu-bar-i-search-menu [isearch-forward-regexp]
 307   '(menu-item "Forward Regexp..." isearch-forward-regexp
 308               :help "Search forward for a regular expression as you type it"))
 309 (define-key menu-bar-i-search-menu [isearch-backward]
 310   '(menu-item "Backward String..." isearch-backward
 311               :help "Search backwards for a string as you type it"))
 312 (define-key menu-bar-i-search-menu [isearch-forward]
 313   '(menu-item "Forward String..." isearch-forward
 314               :help "Search forward for a string as you type it"))
 315
 316
 317 (define-key menu-bar-search-menu [i-search]
 318   (list 'menu-item "Incremental Search" menu-bar-i-search-menu
 319               :help "Incremental Search finds partial matches while you type the search string.\nIt is most convenient from the keyboard.  Try it!"))
 320 (define-key menu-bar-search-menu [separator-tag-isearch]
 321   '(menu-item "--"))
 322
 323 (define-key menu-bar-search-menu [tags-continue]
 324   '(menu-item "Continue Tags Search" tags-loop-continue
 325               :help "Continue last tags search operation"))
 326 (define-key menu-bar-search-menu [tags-srch]
 327   '(menu-item "Search tagged files..." tags-search
 328               :help "Search for a regexp in all tagged files"))
 329 (define-key menu-bar-search-menu [separator-tag-search]
 330   '(menu-item "--"))
 331
 332 (define-key menu-bar-search-menu [repeat-search-back]
 333   '(menu-item "Repeat Backwards" nonincremental-repeat-search-backward
 334               :enable (or (and (eq menu-bar-last-search-type 'string)
 335                                search-ring)
 336                           (and (eq menu-bar-last-search-type 'regexp)
 337                                regexp-search-ring))
 338               :help "Repeat last search backwards"))
 339 (define-key menu-bar-search-menu [repeat-search-fwd]
 340   '(menu-item "Repeat Forward" nonincremental-repeat-search-forward
 341               :enable (or (and (eq menu-bar-last-search-type 'string)
 342                                search-ring)
 343                           (and (eq menu-bar-last-search-type 'regexp)
 344                                regexp-search-ring))
 345               :help "Repeat last search forward"))
 346 (define-key menu-bar-search-menu [separator-repeat-search]
 347   '(menu-item "--"))
 348
 349 (define-key menu-bar-search-menu [re-search-backward]
 350   '(menu-item "Regexp Backwards..." nonincremental-re-search-backward
 351               :help "Search backwards for a regular expression"))
 352 (define-key menu-bar-search-menu [re-search-forward]
 353   '(menu-item "Regexp Forward..." nonincremental-re-search-forward
 354               :help "Search forward for a regular expression"))
 355
 356 (define-key menu-bar-search-menu [search-backward]
 357   '(menu-item "String Backwards..." nonincremental-search-backward
 358               :help "Search backwards for a string"))
 359 (define-key menu-bar-search-menu [search-forward]
 360   '(menu-item "String Forward..." nonincremental-search-forward
 361               :help "Search forward for a string"))
 362
 363 ;; The Edit->Replace submenu
 364
 365 (defvar menu-bar-replace-menu (make-sparse-keymap "Replace"))
 366
 367 (define-key menu-bar-replace-menu [tags-repl-continue]
 368   '(menu-item "Continue Replace" tags-loop-continue
 369               :help "Continue last tags replace operation"))
 370 (define-key menu-bar-replace-menu [tags-repl]
 371   '(menu-item "Replace in tagged files..." tags-query-replace
 372               :help "Interactively replace a regexp in all tagged files"))
 373 (define-key menu-bar-replace-menu [separator-replace-tags]
 374   '(menu-item "--"))
 375
 376 (define-key menu-bar-replace-menu [query-replace-regexp]
 377   '(menu-item "Replace Regexp..." query-replace-regexp
 378               :enable (not buffer-read-only)
 379               :help "Replace regular expression interactively, ask about each occurrence"))
 380 (define-key menu-bar-replace-menu [query-replace]
 381   '(menu-item "Replace String..." query-replace
 382               :enable (not buffer-read-only)
 383               :help "Replace string interactively, ask about each occurrence"))
 384
 385 ;;; Assemble the top-level Edit menu items.
 386 (define-key menu-bar-edit-menu [props]
 387   '(menu-item "Text Properties" facemenu-menu
 388               :help "Change properties of text in region"))
 389
 390 (define-key menu-bar-edit-menu [fill]
 391   '(menu-item "Fill" fill-region
 392               :enable (and mark-active (not buffer-read-only))
 393               :help
 394               "Fill text in region to fit between left and right margin"))
 395
 396 (define-key menu-bar-edit-menu [separator-bookmark]
 397   '(menu-item "--"))
 398
 399 (define-key menu-bar-edit-menu [bookmark]
 400   '(menu-item "Bookmarks" menu-bar-bookmark-map
 401               :help "Record positions and jump between them"))
 402
 403 (defvar menu-bar-goto-menu (make-sparse-keymap "Go To"))
 404
 405 (define-key menu-bar-goto-menu [set-tags-name]
 406   '(menu-item "Set Tags File Name..." visit-tags-table
 407               :help "Tell Tags commands which tag table file to use"))
 408
 409 (define-key menu-bar-goto-menu [separator-tag-file]
 410   '(menu-item "--"))
 411
 412 (define-key menu-bar-goto-menu [apropos-tags]
 413   '(menu-item "Tags Apropos..." tags-apropos
 414               :help "Find function/variables whose names match regexp"))
 415 (define-key menu-bar-goto-menu [next-tag-otherw]
 416   '(menu-item "Next Tag in Other Window"
 417               menu-bar-next-tag-other-window
 418               :enable (and (boundp 'tags-location-ring)
 419                            (not (ring-empty-p tags-location-ring)))
 420               :help "Find next function/variable matching last tag name in another window"))
 421
 422 (defun menu-bar-next-tag-other-window ()
 423   "Find the next definition of the tag already specified."
 424   (interactive)
 425   (find-tag-other-window nil t))
 426
 427 (defun menu-bar-next-tag ()
 428   "Find the next definition of the tag already specified."
 429   (interactive)
 430   (find-tag nil t))
 431
 432 (define-key menu-bar-goto-menu [next-tag]
 433   '(menu-item "Find Next Tag"
 434               menu-bar-next-tag
 435               :enable (and (boundp 'tags-location-ring)
 436                            (not (ring-empty-p tags-location-ring)))
 437               :help "Find next function/variable matching last tag name"))
 438 (define-key menu-bar-goto-menu [find-tag-otherw]
 439   '(menu-item "Find Tag in Other Window..." find-tag-other-window
 440               :help "Find function/variable definition in another window"))
 441 (define-key menu-bar-goto-menu [find-tag]
 442   '(menu-item "Find Tag..." find-tag
 443               :help "Find definition of function or variable"))
 444
 445 (define-key menu-bar-goto-menu [separator-tags]
 446   '(menu-item "--"))
 447
 448 (define-key menu-bar-goto-menu [end-of-buf]
 449   '(menu-item "Goto End of Buffer" end-of-buffer))
 450 (define-key menu-bar-goto-menu [beg-of-buf]
 451   '(menu-item "Goto Beginning of Buffer" beginning-of-buffer))
 452 (define-key menu-bar-goto-menu [go-to-pos]
 453   '(menu-item "Goto Buffer Position..." goto-char
 454               :help "Read a number N and go to buffer position N"))
 455 (define-key menu-bar-goto-menu [go-to-line]
 456   '(menu-item "Goto Line..." goto-line
 457               :help "Read a line number and go to that line"))
 458
 459 (define-key menu-bar-edit-menu [goto]
 460   (list 'menu-item "Go To" menu-bar-goto-menu))
 461
 462 (define-key menu-bar-edit-menu [replace]
 463   (list 'menu-item "Replace" menu-bar-replace-menu))
 464
 465 (define-key menu-bar-edit-menu [search]
 466   (list 'menu-item "Search" menu-bar-search-menu))
 467
 468 (define-key menu-bar-edit-menu [separator-search]
 469   '(menu-item "--"))
 470
 471 (define-key menu-bar-edit-menu [mark-whole-buffer]
 472   '(menu-item "Select All" mark-whole-buffer
 473               :help "Mark the whole buffer for a subsequent cut/copy."))
 474 (define-key menu-bar-edit-menu [clear]
 475   '(menu-item "Clear" delete-region
 476               :enable (and mark-active
 477                            (not buffer-read-only)
 478                            (not (mouse-region-match)))
 479               :help
 480               "Delete the text in region between mark and current position"))
 481 (defvar yank-menu (cons "Select Yank" nil))
 482 (fset 'yank-menu (cons 'keymap yank-menu))
 483 (define-key menu-bar-edit-menu [select-paste]
 484   '(menu-item "Select and Paste" yank-menu
 485               :enable (and (cdr yank-menu) (not buffer-read-only))
 486               :help "Paste (yank) text cut or copied earlier"))
 487 (define-key menu-bar-edit-menu [paste]
 488   '(menu-item "Paste" yank
 489               :enable (and
 490                        ;; Emacs compiled --without-x doesn't have
 491                        ;; x-selection-exists-p.
 492                        (fboundp 'x-selection-exists-p)
 493                        (x-selection-exists-p) (not buffer-read-only))
 494               :help "Paste (yank) text most recently cut/copied"))
 495 (define-key menu-bar-edit-menu [copy]
 496   '(menu-item "Copy" menu-bar-kill-ring-save
 497               :enable mark-active
 498               :help "Copy text in region between mark and current position"
 499               :keys "\\[kill-ring-save]"))
 500 (define-key menu-bar-edit-menu [cut]
 501   '(menu-item "Cut" kill-region
 502               :enable (and mark-active (not buffer-read-only))
 503               :help
 504               "Cut (kill) text in region between mark and current position"))
 505 (define-key menu-bar-edit-menu [undo]
 506   '(menu-item "Undo" undo
 507               :enable (and (not buffer-read-only)
 508                            (not (eq t buffer-undo-list))
 509                            (if (eq last-command 'undo)
 510                                pending-undo-list
 511                              (consp buffer-undo-list)))
 512               :help "Undo last operation"))
 513
 514
 515 (defun menu-bar-kill-ring-save (beg end)
 516   (interactive "r")
 517   (if (mouse-region-match)
 518       (message "Selecting a region with the mouse does `copy' automatically")
 519     (kill-ring-save beg end)))
 520
 521 ;; These are alternative definitions for the cut, paste and copy
 522 ;; menu items.  Use them if your system expects these to use the clipboard.
 523
 524 (put 'clipboard-kill-region 'menu-enable 'mark-active)
 525 (put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
 526 (put 'clipboard-yank 'menu-enable
 527      '(or (and (fboundp 'x-selection-exists-p) (x-selection-exists-p))
 528           (x-selection-exists-p 'CLIPBOARD)))
 529
 530 (defun clipboard-yank ()
 531   "Insert the clipboard contents, or the last stretch of killed text."
 532   (interactive)
 533   (let ((x-select-enable-clipboard t))
 534     (yank)))
 535
 536 (defun clipboard-kill-ring-save (beg end)
 537   "Copy region to kill ring, and save in the X clipboard."
 538   (interactive "r")
 539   (let ((x-select-enable-clipboard t))
 540     (kill-ring-save beg end)))
 541
 542 (defun clipboard-kill-region (beg end)
 543   "Kill the region, and save it in the X clipboard."
 544   (interactive "r")
 545   (let ((x-select-enable-clipboard t))
 546     (kill-region beg end)))
 547
 548 (defun menu-bar-enable-clipboard ()
 549   "Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
 550 Do the same for the keys of the same name."
 551   (interactive)
 552   ;; We can't use constant list structure here because it becomes pure,
 553   ;; and because it gets modified with cache data.
 554   (define-key menu-bar-edit-menu [paste]
 555     (cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
 556   (define-key menu-bar-edit-menu [copy]
 557     (cons "Copy" (cons "Copy text in region to the clipboard"
 558                        'clipboard-kill-ring-save)))
 559   (define-key menu-bar-edit-menu [cut]
 560     (cons "Cut" (cons "Delete text in region and copy it to the clipboard"
 561                       'clipboard-kill-region)))
 562
 563   ;; These are Sun server keysyms for the Cut, Copy and Paste keys
 564   ;; (also for XFree86 on Sun keyboard):
 565   (define-key global-map [f20] 'clipboard-kill-region)
 566   (define-key global-map [f16] 'clipboard-kill-ring-save)
 567   (define-key global-map [f18] 'clipboard-yank)
 568   ;; X11R6 versions:
 569   (define-key global-map [cut] 'clipboard-kill-region)
 570   (define-key global-map [copy] 'clipboard-kill-ring-save)
 571   (define-key global-map [paste] 'clipboard-yank))
 572 \f
 573 ;; The "Options" menu items
 574
 575 (defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
 576
 577 (define-key menu-bar-custom-menu [customize-apropos-groups]
 578   '(menu-item "Groups Matching Regexp..." customize-apropos-groups
 579               :help "Browse groups whose names match regexp"))
 580 (define-key menu-bar-custom-menu [customize-apropos-faces]
 581   '(menu-item "Faces Matching Regexp..." customize-apropos-faces
 582               :help "Browse faces whose names match regexp"))
 583 (define-key menu-bar-custom-menu [customize-apropos-options]
 584   '(menu-item "Options Matching Regexp..." customize-apropos-options
 585               :help "Browse options whose names match regexp"))
 586 (define-key menu-bar-custom-menu [customize-apropos]
 587   '(menu-item "Settings Matching Regexp..." customize-apropos
 588               :help "Browse customizable settings whose names match regexp"))
 589 (define-key menu-bar-custom-menu [separator-1]
 590   '("--"))
 591 (define-key menu-bar-custom-menu [customize-group]
 592   '(menu-item "Specific Group..." customize-group
 593               :help "Customize settings of specific group"))
 594 (define-key menu-bar-custom-menu [customize-face]
 595   '(menu-item "Specific Face..." customize-face
 596               :help "Customize attributes of specific face"))
 597 (define-key menu-bar-custom-menu [customize-option]
 598   '(menu-item "Specific Option..." customize-option
 599               :help "Customize value of specific option"))
 600 (define-key menu-bar-custom-menu [separator-2]
 601   '("--"))
 602 (define-key menu-bar-custom-menu [customize-changed-options]
 603   '(menu-item "New Options..." customize-changed-options
 604               :help "Options added or changed in recent Emacs versions"))
 605 (define-key menu-bar-custom-menu [customize-saved]
 606   '(menu-item "Saved Options" customize-saved
 607               :help "Customize previously saved options"))
 608 (define-key menu-bar-custom-menu [separator-3]
 609   '("--"))
 610 (define-key menu-bar-custom-menu [customize-browse]
 611   '(menu-item "Browse Customization Groups" customize-browse
 612               :help "Browse all customization groups"))
 613 (define-key menu-bar-custom-menu [customize]
 614   '(menu-item "Top-level Customization Group" customize
 615               :help "The master group called `Emacs'"))
 616
 617 ;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
 618
 619 (defmacro menu-bar-make-mm-toggle (fname doc help &optional props)
 620   "Make a menu-item for a global minor mode toggle.
 621 FNAME is the minor mode's name (variable and function).
 622 DOC is the text to use for the menu entry.
 623 HELP is the text to use for the tooltip.
 624 PROPS are additional properties."
 625   `'(menu-item ,doc ,fname
 626      ,@props
 627      :help ,help
 628      :button (:toggle . (and (default-boundp ',fname)
 629                              (default-value ',fname)))))
 630
 631 (defmacro menu-bar-make-toggle (name variable doc message help &rest body)
 632   `(progn
 633      (defun ,name (&optional interactively)
 634        ,(concat "Toggle whether to " (downcase (substring help 0 1))
 635                 (substring help 1) ".
 636 In an interactive call, record this option as a candidate for saving
 637 by \"Save Options\" in Custom buffers.")
 638        (interactive "p")
 639        (if ,(if body `(progn . ,body)
 640               `(progn
 641                  (custom-load-symbol ',variable)
 642                  (let ((set (or (get ',variable 'custom-set) 'set-default))
 643                        (get (or (get ',variable 'custom-get) 'default-value)))
 644                    (funcall set ',variable (not (funcall get ',variable))))))
 645            (message ,message "enabled")
 646          (message ,message "disabled"))
 647        ;; The function `customize-mark-as-set' must only be called when
 648        ;; a variable is set interactively, as the purpose is to mark it as
 649        ;; a candidate for "Save Options", and we do not want to save options
 650        ;; the user have already set explicitly in his init file.
 651        (if interactively (customize-mark-as-set ',variable)))
 652      '(menu-item ,doc ,name
 653                  :help ,help
 654                  :button (:toggle . (and (default-boundp ',variable)
 655                                          (default-value ',variable))))))
 656
 657 ;;; Assemble all the top-level items of the "Options" menu
 658 (define-key menu-bar-options-menu [customize]
 659   (list 'menu-item "Customize Emacs" menu-bar-custom-menu
 660         :help "Full customization of every Emacs feature"))
 661
 662 (defun menu-bar-options-save ()
 663   "Save current values of Options menu items using Custom."
 664   (interactive)
 665   (let ((need-save nil))
 666     ;; These are set with menu-bar-make-mm-toggle, which does not
 667     ;; put on a customized-value property.
 668     (dolist (elt '(line-number-mode column-number-mode size-indication-mode
 669                    cua-mode show-paren-mode transient-mark-mode
 670                    global-font-lock-mode blink-cursor-mode
 671                    display-time-mode display-battery-mode))
 672       (and (customize-mark-to-save elt)
 673            (setq need-save t)))
 674     ;; These are set with `customize-set-variable'.
 675     (dolist (elt '(scroll-bar-mode
 676                    debug-on-quit debug-on-error
 677                    tooltip-mode menu-bar-mode tool-bar-mode
 678                    save-place uniquify-buffer-name-style fringe-mode
 679                    indicate-empty-lines indicate-buffer-boundaries
 680                    case-fold-search
 681                    current-language-environment default-input-method
 682                    ;; Saving `text-mode-hook' is somewhat questionable,
 683                    ;; as we might get more than we bargain for, if
 684                    ;; other code may has added hooks as well.
 685                    ;; Nonetheless, not saving it would like be confuse
 686                    ;; more often.
 687                    ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
 688                    text-mode-hook))
 689       (and (get elt 'customized-value)
 690            (customize-mark-to-save elt)
 691            (setq need-save t)))
 692     ;; Save if we changed anything.
 693     (when need-save
 694       (custom-save-all))))
 695
 696 (define-key menu-bar-options-menu [save]
 697   '(menu-item "Save Options" menu-bar-options-save
 698               :help "Save options set from the menu above"))
 699
 700 (define-key menu-bar-options-menu [custom-separator]
 701   '("--"))
 702
 703 (define-key menu-bar-options-menu [mouse-set-font]
 704   '(menu-item "Set Font/Fontset..." mouse-set-font
 705                :visible (display-multi-font-p)
 706                :help "Select a font from list of known fonts/fontsets"))
 707
 708 ;; The "Show/Hide" submenu of menu "Options"
 709
 710 (defvar menu-bar-showhide-menu (make-sparse-keymap "Show/Hide"))
 711
 712 (define-key menu-bar-showhide-menu [column-number-mode]
 713   (menu-bar-make-mm-toggle column-number-mode
 714                            "Column Numbers"
 715                            "Show the current column number in the mode line"))
 716
 717 (define-key menu-bar-showhide-menu [line-number-mode]
 718   (menu-bar-make-mm-toggle line-number-mode
 719                            "Line Numbers"
 720                            "Show the current line number in the mode line"))
 721
 722 (define-key menu-bar-showhide-menu [size-indication-mode]
 723   (menu-bar-make-mm-toggle size-indication-mode
 724                            "Size Indication"
 725                            "Show the size of the buffer in the mode line"))
 726
 727 (define-key menu-bar-showhide-menu [linecolumn-separator]
 728   '("--"))
 729
 730 (define-key menu-bar-showhide-menu [showhide-battery]
 731   (menu-bar-make-mm-toggle display-battery-mode
 732                            "Battery Status"
 733                            "Display battery status information in mode line"))
 734
 735 (define-key menu-bar-showhide-menu [showhide-date-time]
 736   (menu-bar-make-mm-toggle display-time-mode
 737                            "Time, Load and Mail"
 738                            "Display time, system load averages and \
 739 mail status in mode line"))
 740
 741 (define-key menu-bar-showhide-menu [datetime-separator]
 742   '("--"))
 743
 744 (define-key menu-bar-showhide-menu [showhide-speedbar]
 745   '(menu-item "Speedbar" speedbar-frame-mode
 746               :help "Display a Speedbar quick-navigation frame"
 747               :button (:toggle
 748                        . (and (boundp 'speedbar-frame)
 749                               (frame-live-p (symbol-value 'speedbar-frame))
 750                               (frame-visible-p
 751                                (symbol-value 'speedbar-frame))))))
 752
 753 (defvar menu-bar-showhide-fringe-menu (make-sparse-keymap "Fringe"))
 754
 755 (defvar menu-bar-showhide-fringe-ind-menu
 756   (make-sparse-keymap "Buffer boundaries"))
 757
 758 (defun menu-bar-showhide-fringe-ind-customize ()
 759   "Show customization buffer for `indicate-buffer-boundaries'."
 760   (interactive)
 761   (customize-variable 'indicate-buffer-boundaries))
 762
 763 (define-key menu-bar-showhide-fringe-ind-menu [customize]
 764   '(menu-item "Other (Customize)"
 765               menu-bar-showhide-fringe-ind-customize
 766               :help "Additional choices available through Custom buffer"
 767               :visible (display-graphic-p)))
 768
 769 (defun menu-bar-showhide-fringe-ind-mixed ()
 770   "Display top and bottom indicators in opposite fringes, arrows in right."
 771   (interactive)
 772   (customize-set-variable 'indicate-buffer-boundaries
 773                           '((t . right) (top . left))))
 774
 775 (define-key menu-bar-showhide-fringe-ind-menu [mixed]
 776   '(menu-item "Opposite, Arrows Right" menu-bar-showhide-fringe-ind-mixed
 777               :help
 778               "Show top/bottom indicators in opposite fringes, arrows in right"
 779               :visible (display-graphic-p)
 780               :button (:radio . (eq indicate-buffer-boundaries
 781                                     '((t . right) (top . left))))))
 782
 783 (defun menu-bar-showhide-fringe-ind-box ()
 784   "Display top and bottom indicators in opposite fringes."
 785   (interactive)
 786   (customize-set-variable 'indicate-buffer-boundaries
 787                           '((top . left) (bottom . right))))
 788
 789 (define-key menu-bar-showhide-fringe-ind-menu [box]
 790   '(menu-item "Opposite, No Arrows" menu-bar-showhide-fringe-ind-box
 791               :help "Show top/bottom indicators in opposite fringes, no arrows"
 792               :visible (display-graphic-p)
 793               :button (:radio . (eq indicate-buffer-boundaries
 794                                     '((top . left) (bottom . right))))))
 795
 796 (defun menu-bar-showhide-fringe-ind-right ()
 797   "Display buffer boundaries and arrows in the right fringe."
 798   (interactive)
 799   (customize-set-variable 'indicate-buffer-boundaries 'right))
 800
 801 (define-key menu-bar-showhide-fringe-ind-menu [right]
 802   '(menu-item "In Right Fringe" menu-bar-showhide-fringe-ind-right
 803               :help "Show buffer boundaries and arrows in right fringe"
 804               :visible (display-graphic-p)
 805               :button (:radio . (eq indicate-buffer-boundaries 'right))))
 806
 807 (defun menu-bar-showhide-fringe-ind-left ()
 808   "Display buffer boundaries and arrows in the left fringe."
 809   (interactive)
 810   (customize-set-variable 'indicate-buffer-boundaries 'left))
 811
 812 (define-key menu-bar-showhide-fringe-ind-menu [left]
 813   '(menu-item "In Left Fringe" menu-bar-showhide-fringe-ind-left
 814               :help "Show buffer boundaries and arrows in left fringe"
 815               :visible (display-graphic-p)
 816               :button (:radio . (eq indicate-buffer-boundaries 'left))))
 817
 818 (defun menu-bar-showhide-fringe-ind-none ()
 819   "Do not display any buffer boundary indicators."
 820   (interactive)
 821   (customize-set-variable 'indicate-buffer-boundaries nil))
 822
 823 (define-key menu-bar-showhide-fringe-ind-menu [none]
 824   '(menu-item "No Indicators" menu-bar-showhide-fringe-ind-none
 825               :help "Hide all buffer boundary indicators and arrows"
 826               :visible (display-graphic-p)
 827               :button (:radio . (eq indicate-buffer-boundaries nil))))
 828
 829 (define-key menu-bar-showhide-fringe-menu [showhide-fringe-ind]
 830   (list 'menu-item "Buffer Boundaries" menu-bar-showhide-fringe-ind-menu
 831         :visible `(display-graphic-p)
 832         :help "Indicate buffer boundaries in fringe"))
 833
 834 (define-key menu-bar-showhide-fringe-menu [indicate-empty-lines]
 835   (menu-bar-make-toggle toggle-indicate-empty-lines indicate-empty-lines
 836                         "Empty Line Indicators"
 837                         "Indicating of empty lines %s"
 838                         "Indicate trailing empty lines in fringe"))
 839
 840 (defun menu-bar-showhide-fringe-menu-customize ()
 841   "Show customization buffer for `fringe-mode'."
 842   (interactive)
 843   (customize-variable 'fringe-mode))
 844
 845 (define-key menu-bar-showhide-fringe-menu [customize]
 846   '(menu-item "Customize Fringe" menu-bar-showhide-fringe-menu-customize
 847               :help "Detailed customization of fringe"
 848               :visible (display-graphic-p)))
 849
 850 (defun menu-bar-showhide-fringe-menu-customize-reset ()
 851   "Reset the fringe mode: display fringes on both sides of a window."
 852   (interactive)
 853   (customize-set-variable 'fringe-mode nil))
 854
 855 (define-key menu-bar-showhide-fringe-menu [default]
 856   '(menu-item "Default" menu-bar-showhide-fringe-menu-customize-reset
 857               :help "Default width fringe on both left and right side"
 858               :visible (display-graphic-p)
 859               :button (:radio . (eq fringe-mode nil))))
 860
 861 (defun menu-bar-showhide-fringe-menu-customize-left ()
 862   "Display fringes only on the left of each window."
 863   (interactive)
 864   (require 'fringe)
 865   (customize-set-variable 'fringe-mode '(nil . 0)))
 866
 867 (define-key menu-bar-showhide-fringe-menu [left]
 868   '(menu-item "On the Left" menu-bar-showhide-fringe-menu-customize-left
 869               :help "Fringe only on the left side"
 870               :visible (display-graphic-p)
 871               :button (:radio . (equal fringe-mode '(nil . 0)))))
 872
 873 (defun menu-bar-showhide-fringe-menu-customize-right ()
 874   "Display fringes only on the right of each window."
 875   (interactive)
 876   (require 'fringe)
 877   (customize-set-variable 'fringe-mode '(0 . nil)))
 878
 879 (define-key menu-bar-showhide-fringe-menu [right]
 880   '(menu-item "On the Right" menu-bar-showhide-fringe-menu-customize-right
 881               :help "Fringe only on the right side"
 882               :visible (display-graphic-p)
 883               :button (:radio . (equal fringe-mode '(0 . nil)))))
 884
 885 (defun menu-bar-showhide-fringe-menu-customize-disable ()
 886   "Do not display window fringes."
 887   (interactive)
 888   (require 'fringe)
 889   (customize-set-variable 'fringe-mode 0))
 890
 891 (define-key menu-bar-showhide-fringe-menu [none]
 892   '(menu-item "None" menu-bar-showhide-fringe-menu-customize-disable
 893               :help "Turn off fringe"
 894               :visible (display-graphic-p)
 895               :button (:radio . (eq fringe-mode 0))))
 896
 897 (define-key menu-bar-showhide-menu [showhide-fringe]
 898   (list 'menu-item "Fringe" menu-bar-showhide-fringe-menu
 899         :visible `(display-graphic-p)
 900         :help "Select fringe mode"))
 901
 902 (defvar menu-bar-showhide-scroll-bar-menu (make-sparse-keymap "Scroll-bar"))
 903
 904 (define-key menu-bar-showhide-scroll-bar-menu [right]
 905   '(menu-item "On the Right"
 906               menu-bar-right-scroll-bar
 907               :help "Scroll-bar on the right side"
 908               :visible (display-graphic-p)
 909               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 910                                                (frame-parameters))) 'right))))
 911 (defun menu-bar-right-scroll-bar ()
 912   "Display scroll bars on the right of each window."
 913   (interactive)
 914   (customize-set-variable 'scroll-bar-mode 'right))
 915
 916 (define-key menu-bar-showhide-scroll-bar-menu [left]
 917   '(menu-item "On the Left"
 918               menu-bar-left-scroll-bar
 919               :help "Scroll-bar on the left side"
 920               :visible (display-graphic-p)
 921               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 922                                                (frame-parameters))) 'left))))
 923
 924 (defun menu-bar-left-scroll-bar ()
 925   "Display scroll bars on the left of each window."
 926   (interactive)
 927   (customize-set-variable 'scroll-bar-mode 'left))
 928
 929 (define-key menu-bar-showhide-scroll-bar-menu [none]
 930   '(menu-item "None"
 931               menu-bar-no-scroll-bar
 932               :help "Turn off scroll-bar"
 933               :visible (display-graphic-p)
 934               :button (:radio . (eq (cdr (assq 'vertical-scroll-bars
 935                                                (frame-parameters))) nil))))
 936
 937 (defun menu-bar-no-scroll-bar ()
 938   "Turn off scroll bars."
 939   (interactive)
 940   (customize-set-variable 'scroll-bar-mode nil))
 941
 942 (define-key menu-bar-showhide-menu [showhide-scroll-bar]
 943   (list 'menu-item "Scroll-bar" menu-bar-showhide-scroll-bar-menu
 944         :visible `(display-graphic-p)
 945         :help "Select scroll-bar mode"))
 946
 947 (define-key menu-bar-showhide-menu [showhide-tooltip-mode]
 948   (list 'menu-item "Tooltips" 'tooltip-mode
 949         :help "Toggle tooltips on/off"
 950         :visible  `(and (display-graphic-p) (fboundp 'x-show-tip))
 951         :button `(:toggle . tooltip-mode)))
 952
 953 (define-key menu-bar-showhide-menu [menu-bar-mode]
 954   '(menu-item "Menu-bar" menu-bar-mode
 955               :help "Toggle menu-bar on/off"
 956               :button (:toggle . menu-bar-mode)))
 957
 958 (define-key menu-bar-showhide-menu [showhide-tool-bar]
 959   (list 'menu-item "Tool-bar" 'tool-bar-mode
 960         :help "Turn tool-bar on/off"
 961         :visible `(display-graphic-p)
 962         :button `(:toggle . tool-bar-mode)))
 963
 964 (define-key menu-bar-options-menu [showhide]
 965   (list 'menu-item "Show/Hide" menu-bar-showhide-menu
 966         :help "Toggle on/off various display features"))
 967
 968 (define-key menu-bar-options-menu [showhide-separator]
 969   '("--"))
 970
 971 (define-key menu-bar-options-menu [mule]
 972   ;; It is better not to use backquote here,
 973   ;; because that makes a bootstrapping problem
 974   ;; if you need to recompile all the Lisp files using interpreted code.
 975   (list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
 976 ;; Most of the MULE menu actually does make sense in unibyte mode,
 977 ;; e.g. language selection.
 978 ;;;     ':visible 'default-enable-multibyte-characters
 979         ':help "Default language, encodings, input method"))
 980 ;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
 981 ;(define-key menu-bar-options-menu [preferences]
 982 ;  (list 'menu-item "Preferences" menu-bar-preferences-menu
 983 ;       :help "Toggle important global options"))
 984
 985 (define-key menu-bar-options-menu [mule-separator]
 986   '("--"))
 987
 988 (define-key menu-bar-options-menu [debug-on-quit]
 989   (menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
 990                         "Enter Debugger on Quit/C-g" "Debug on Quit %s"
 991                         "Enter Lisp debugger when C-g is pressed"))
 992 (define-key menu-bar-options-menu [debug-on-error]
 993   (menu-bar-make-toggle toggle-debug-on-error debug-on-error
 994                         "Enter Debugger on Error" "Debug on Error %s"
 995                         "Enter Lisp debugger when an error is signaled"))
 996 (define-key menu-bar-options-menu [debugger-separator]
 997   '("--"))
 998
 999 (define-key menu-bar-options-menu [blink-cursor-mode]
1000   (menu-bar-make-mm-toggle blink-cursor-mode
1001                            "Blinking Cursor"
1002                            "Whether the cursor blinks (Blink Cursor mode)"))
1003 (define-key menu-bar-options-menu [cursor-separator]
1004   '("--"))
1005
1006 (define-key menu-bar-options-menu [save-place]
1007   (menu-bar-make-toggle toggle-save-place-globally save-place
1008                         "Save Place in Files between Sessions"
1009                         "Saving place in files %s"
1010                         "Visit files of previous session when restarting Emacs"
1011                         (require 'saveplace)
1012                         ;; Do it by name, to avoid a free-variable
1013                         ;; warning during byte compilation.
1014                         (set-default
1015                          'save-place (not (symbol-value 'save-place)))))
1016
1017 (define-key menu-bar-options-menu [uniquify]
1018   (menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
1019                         "Use Directory Names in Buffer Names"
1020                         "Directory name in buffer names (uniquify) %s"
1021                         "Uniquify buffer names by adding parent directory names"
1022                         (require 'uniquify)
1023                         (setq uniquify-buffer-name-style
1024                               (if (not uniquify-buffer-name-style)
1025                                   'forward))))
1026
1027 (define-key menu-bar-options-menu [edit-options-separator]
1028   '("--"))
1029 (define-key menu-bar-options-menu [cua-mode]
1030   (menu-bar-make-mm-toggle cua-mode
1031                            "C-x/C-c/C-v Cut and Paste (CUA)"
1032                            "Use C-z/C-x/C-c/C-v keys for undo/cut/copy/paste"))
1033
1034 (define-key menu-bar-options-menu [case-fold-search]
1035   (menu-bar-make-toggle toggle-case-fold-search case-fold-search
1036                         "Case-Insensitive Search"
1037                         "Case-Insensitive Search %s"
1038                         "Ignore letter-case in search"))
1039
1040 (defun menu-bar-text-mode-auto-fill ()
1041   (interactive)
1042   (toggle-text-mode-auto-fill)
1043   ;; This is somewhat questionable, as `text-mode-hook'
1044   ;; might have changed outside customize.
1045   ;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-11.
1046   (customize-mark-as-set 'text-mode-hook))
1047
1048 (define-key menu-bar-options-menu [auto-fill-mode]
1049   '(menu-item "Word Wrap in Text Modes"
1050               menu-bar-text-mode-auto-fill
1051               :help "Automatically fill text between left and right margins (Auto Fill)"
1052               :button (:toggle . (if (listp text-mode-hook)
1053                                      (member 'turn-on-auto-fill text-mode-hook)
1054                                    (eq 'turn-on-auto-fill text-mode-hook)))))
1055 (define-key menu-bar-options-menu [truncate-lines]
1056   '(menu-item "Truncate Long Lines in this Buffer"
1057               toggle-truncate-lines
1058               :help "Truncate long lines on the screen"
1059               :button (:toggle . truncate-lines)
1060               :enable (or (not (display-multi-frame-p))
1061                           (and (frame-live-p menu-updating-frame)
1062                                (frame-visible-p menu-updating-frame)))))
1063
1064 (define-key menu-bar-options-menu [highlight-separator]
1065   '("--"))
1066 (define-key menu-bar-options-menu [highlight-paren-mode]
1067   (menu-bar-make-mm-toggle show-paren-mode
1068                            "Paren Match Highlighting"
1069                            "Highlight matching/mismatched parentheses at cursor (Show Paren mode)"))
1070 (define-key menu-bar-options-menu [transient-mark-mode]
1071   (menu-bar-make-mm-toggle transient-mark-mode
1072                            "Active Region Highlighting"
1073                            "Make text in active region stand out in color (Transient Mark mode)"
1074                            (:enable (not cua-mode))))
1075 (define-key menu-bar-options-menu [toggle-global-lazy-font-lock-mode]
1076   (menu-bar-make-mm-toggle global-font-lock-mode
1077                            "Syntax Highlighting"
1078                            "Colorize text based on language syntax (Global Font Lock mode)"))
1079
1080 \f
1081 ;; The "Tools" menu items
1082
1083 (defun send-mail-item-name ()
1084   (let* ((known-send-mail-commands '((sendmail-user-agent . "sendmail")
1085                                      (mh-e-user-agent . "MH")
1086                                      (message-user-agent . "Gnus Message")
1087                                      (gnus-user-agent . "Gnus")))
1088          (name (assq mail-user-agent known-send-mail-commands)))
1089     (if name
1090         (setq name (cdr name))
1091       (setq name (symbol-name mail-user-agent))
1092       (if (string-match "\\(.+\\)-user-agent" name)
1093           (setq name (match-string 1 name))))
1094     name))
1095
1096 (defun read-mail-item-name ()
1097   (let* ((known-rmail-commands '((rmail . "RMAIL")
1098                                  (mh-rmail . "MH")
1099                                  (gnus . "Gnus")))
1100          (known (assq read-mail-command known-rmail-commands)))
1101     (if known (cdr known) (symbol-name read-mail-command))))
1102
1103 (defvar menu-bar-games-menu (make-sparse-keymap "Games"))
1104
1105 (define-key menu-bar-tools-menu [games]
1106   (list 'menu-item "Games" menu-bar-games-menu))
1107
1108 (define-key menu-bar-tools-menu [separator-games]
1109   '("--"))
1110
1111 (define-key menu-bar-games-menu [zone]
1112   '(menu-item "Zone Out"  zone
1113               :help "Play tricks with Emacs display when Emacs is idle"))
1114 (define-key menu-bar-games-menu [yow]
1115   '(menu-item "Random Quotation"  yow
1116               :help "Display a random Zippy quotation"))
1117 (define-key menu-bar-games-menu [tetris]
1118   '(menu-item "Tetris"  tetris))
1119 (define-key menu-bar-games-menu [solitaire]
1120   '(menu-item "Solitaire"  solitaire))
1121 (define-key menu-bar-games-menu [snake]
1122   '(menu-item "Snake"  snake
1123               :help "Move snake around avoiding collisions"))
1124 (define-key menu-bar-games-menu [mult]
1125   '(menu-item "Multiplication Puzzle"  mpuz
1126               :help "Exercise brain with multiplication"))
1127 (define-key menu-bar-games-menu [life]
1128   '(menu-item "Life"  life
1129               :help "Watch how John Conway's cellular automaton evolves"))
1130 (define-key menu-bar-games-menu [hanoi]
1131   '(menu-item "Towers of Hanoi" hanoi
1132               :help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
1133 (define-key menu-bar-games-menu [gomoku]
1134   '(menu-item "Gomoku"  gomoku
1135               :help "Mark 5 contiguous squares (like tic-tac-toe)"))
1136 (define-key menu-bar-games-menu [black-box]
1137   '(menu-item "Blackbox"  blackbox
1138               :help "Find balls in a black box by shooting rays"))
1139 (define-key menu-bar-games-menu [adventure]
1140   '(menu-item "Adventure"  dunnet
1141               :help "Dunnet, a text Adventure game for Emacs"))
1142 (define-key menu-bar-games-menu [5x5]
1143   '(menu-item "5x5" 5x5
1144               :help "Fill in all the squares on a 5x5 board"))
1145
1146 (define-key menu-bar-tools-menu [simple-calculator]
1147   '(menu-item "Simple Calculator" calculator
1148               :help "Invoke the Emacs built-in quick calculator"))
1149 (define-key menu-bar-tools-menu [calc]
1150   '(menu-item "Programmable Calculator" calc
1151               :help "Invoke the Emacs built-in full scientific calculator"))
1152 (define-key menu-bar-tools-menu [calendar]
1153   '(menu-item "Display Calendar" calendar))
1154
1155 (define-key menu-bar-tools-menu [separator-net]
1156   '("--"))
1157
1158 (define-key menu-bar-tools-menu [directory-search]
1159   '(menu-item "Directory Search" eudc-tools-menu
1160               :help "Query directory servers via LDAP, CCSO PH/QI or BBDB"))
1161 (define-key menu-bar-tools-menu [compose-mail]
1162   (list
1163    'menu-item `(format "Send Mail (with %s)" (send-mail-item-name))
1164    'compose-mail
1165    :visible `(and mail-user-agent (not (eq mail-user-agent 'ignore)))
1166    :help "Send a mail message"))
1167 (define-key menu-bar-tools-menu [rmail]
1168   (list
1169    'menu-item `(format "Read Mail (with %s)" (read-mail-item-name))
1170    'menu-bar-read-mail
1171    :visible `(and read-mail-command (not (eq read-mail-command 'ignore)))
1172    :help "Read your mail and reply to it"))
1173
1174 (defun menu-bar-read-mail ()
1175   "Read mail using `read-mail-command'."
1176   (interactive)
1177   (call-interactively read-mail-command))
1178
1179 (define-key menu-bar-tools-menu [gnus]
1180   '(menu-item "Read Net News (Gnus)" gnus
1181               :help "Read network news groups"))
1182
1183 (define-key menu-bar-tools-menu [separator-vc]
1184   '("--"))
1185
1186 (defvar vc-menu-map (make-sparse-keymap "Version Control"))
1187 (define-key menu-bar-tools-menu [pcl-cvs]
1188   '(menu-item "PCL-CVS" cvs-global-menu
1189     :help "Module-level interface to CVS"))
1190 (define-key menu-bar-tools-menu [vc]
1191   (list 'menu-item "Version Control" vc-menu-map
1192         :help "Interface to RCS, CVS, SCCS"))
1193
1194 (define-key menu-bar-tools-menu [separator-compare]
1195   '("--"))
1196
1197 (define-key menu-bar-tools-menu [ediff-misc]
1198   '(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu
1199               :help "Ediff manual, customization, sessions, etc."))
1200 (define-key menu-bar-tools-menu [epatch]
1201   '(menu-item "Apply Patch" menu-bar-epatch-menu))
1202 (define-key menu-bar-tools-menu [ediff-merge]
1203   '(menu-item "Merge" menu-bar-ediff-merge-menu
1204               :help "Merge different revisions of files/directories"))
1205 (define-key menu-bar-tools-menu [compare]
1206   '(menu-item "Compare (Ediff)" menu-bar-ediff-menu
1207               :help "Display differences between files/directories"))
1208
1209
1210 (define-key menu-bar-tools-menu [separator-spell]
1211   '("--"))
1212
1213 (define-key menu-bar-tools-menu [spell]
1214   '(menu-item "Spell Checking" ispell-menu-map))
1215
1216 (define-key menu-bar-tools-menu [separator-prog]
1217   '("--"))
1218
1219 (define-key menu-bar-tools-menu [gdb]
1220   '(menu-item "Debugger (GDB)..." gdb
1221               :help "Debug a program from within Emacs with GDB"))
1222 (define-key menu-bar-tools-menu [shell-on-region]
1223   '(menu-item "Shell Command on Region..." shell-command-on-region
1224               :enable mark-active
1225               :help "Pass marked region to a shell command"))
1226 (define-key menu-bar-tools-menu [shell]
1227   '(menu-item "Shell Command..." shell-command
1228               :help "Invoke a shell command and catch its output"))
1229 (define-key menu-bar-tools-menu [compile]
1230   '(menu-item "Compile..." compile
1231               :help "Invoke compiler or Make, view compilation errors"))
1232 (define-key menu-bar-tools-menu [grep]
1233   '(menu-item "Search Files (with grep)..." grep
1234               :help "Search files for strings or regexps (with grep)"))
1235
1236 \f
1237 ;; The "Help" menu items
1238
1239 (defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
1240
1241 (define-key menu-bar-describe-menu [mule-diag]
1242   '(menu-item "Show All of Mule Status" mule-diag
1243               :visible default-enable-multibyte-characters
1244               :help "Display multilingual environment settings"))
1245 (define-key menu-bar-describe-menu [describe-coding-system-briefly]
1246   '(menu-item "Describe Coding System (Briefly)..."
1247               describe-current-coding-system-briefly
1248               :visible default-enable-multibyte-characters))
1249 (define-key menu-bar-describe-menu [describe-coding-system]
1250   '(menu-item "Describe Coding System..." describe-coding-system
1251               :visible default-enable-multibyte-characters))
1252 (define-key menu-bar-describe-menu [describe-input-method]
1253   '(menu-item "Describe Input Method..." describe-input-method
1254               :visible default-enable-multibyte-characters
1255               :help "Keyboard layout for specific input method"))
1256 (define-key menu-bar-describe-menu [describe-language-environment]
1257   (list 'menu-item "Describe Language Environment"
1258         describe-language-environment-map
1259         :help "Show multilingual settings for a specific language"))
1260
1261 (define-key menu-bar-describe-menu [separator-desc-mule]
1262   '("--"))
1263
1264 (define-key menu-bar-describe-menu [list-keybindings]
1265   '(menu-item "List Key Bindings" describe-bindings
1266               :help "Display a list of all current keybindings"))
1267 (define-key menu-bar-describe-menu [describe-current-display-table]
1268   '(menu-item "Describe Display Table" describe-current-display-table
1269               :help "Describe the current display table"))
1270 (define-key menu-bar-describe-menu [describe-face]
1271   '(menu-item "Describe Face..." describe-face
1272               :help "Display the properties of a face"))
1273 (define-key menu-bar-describe-menu [describe-variable]
1274   '(menu-item "Describe Variable..." describe-variable
1275               :help "Display documentation of variable/option"))
1276 (define-key menu-bar-describe-menu [describe-function]
1277   '(menu-item "Describe Function..." describe-function
1278               :help "Display documentation of function/command"))
1279 (define-key menu-bar-describe-menu [describe-key-1]
1280   '(menu-item "Describe Key or Mouse Operation..." describe-key
1281               ;; Users typically don't identify keys and menu items...
1282               :help "Display documentation of command bound to a \
1283 key, a click, or a menu-item"))
1284 (define-key menu-bar-describe-menu [describe-mode]
1285   '(menu-item "Describe Buffer Modes" describe-mode
1286               :help "Describe this buffer's major and minor mode"))
1287
1288 (defvar menu-bar-apropos-menu (make-sparse-keymap "Apropos"))
1289 (defun menu-bar-read-lispref ()
1290   "Display the Emacs Lisp Reference manual in Info mode."
1291   (interactive)
1292   (info "elisp"))
1293
1294 (defun menu-bar-read-lispintro ()
1295   "Display the Introduction to Emacs Lisp Programming in Info mode."
1296   (interactive)
1297   (info "eintr"))
1298
1299 (defun search-emacs-glossary ()
1300   "Display the Glossary node of the Emacs manual in Info mode."
1301   (interactive)
1302   (info "(emacs)Glossary"))
1303
1304 (defun emacs-index-search (topic)
1305   "Look up TOPIC in the indices of the Emacs User Manual."
1306   (interactive "sSubject to look up: ")
1307   (info "emacs")
1308   (Info-index topic))
1309
1310 (defun elisp-index-search (topic)
1311   "Look up TOPIC in the indices of the Emacs Lisp Reference Manual."
1312   (interactive "sSubject to look up: ")
1313   (info "elisp")
1314   (Info-index topic))
1315
1316 (define-key menu-bar-apropos-menu [apropos-documentation]
1317   '(menu-item "Search Documentation Strings..." apropos-documentation
1318               :help
1319               "Find functions and variables whose doc strings match a regexp"))
1320 (define-key menu-bar-apropos-menu [apropos]
1321   '(menu-item "Find Any Object by Name..."  apropos
1322               :help "Find symbols of any kind whose names match a regexp"))
1323 (define-key menu-bar-apropos-menu [apropos-value]
1324   '(menu-item "Find Options by Value..." apropos-value
1325               :help "Find variables whose values match a regexp"))
1326 (define-key menu-bar-apropos-menu [apropos-variables]
1327   '(menu-item "Find Options by Name..." apropos-variable
1328               :help "Find variables whose names match a regexp"))
1329 (define-key menu-bar-apropos-menu [apropos-commands]
1330   '(menu-item "Find Commands by Name..." apropos-command
1331               :help "Find commands whose names match a regexp"))
1332 (define-key menu-bar-apropos-menu [sep1]
1333   '("--"))
1334 (define-key menu-bar-apropos-menu [elisp-index-search]
1335   '(menu-item "Look Up Subject in ELisp Manual..." elisp-index-search
1336               :help "Find description of a subject in Emacs Lisp manual"))
1337 (define-key menu-bar-apropos-menu [emacs-index-search]
1338   '(menu-item "Look Up Subject in User Manual..." emacs-index-search
1339               :help "Find description of a subject in Emacs User manual"))
1340 (define-key menu-bar-apropos-menu [emacs-glossary]
1341   '(menu-item "Emacs Terminology" search-emacs-glossary
1342               :help "Display the Glossary section of the Emacs manual"))
1343
1344 (defvar menu-bar-manuals-menu (make-sparse-keymap "More Manuals"))
1345
1346 (define-key menu-bar-manuals-menu [man]
1347   '(menu-item "Read Man Page..." manual-entry
1348               :help "Man-page docs for external commands and libraries"))
1349 (define-key menu-bar-manuals-menu [sep2]
1350   '("--"))
1351 (define-key menu-bar-manuals-menu [order-emacs-manuals]
1352   '(menu-item "Ordering Manuals" view-order-manuals
1353               :help "How to order manuals from the Free Software Foundation"))
1354 (define-key menu-bar-manuals-menu [info]
1355   '(menu-item "All Other Manuals (Info)" Info-directory
1356               :help "Read any of the installed manuals"))
1357 (define-key menu-bar-manuals-menu [info-elisp]
1358   '(menu-item "Emacs Lisp Reference" menu-bar-read-lispref
1359               :help "Read the Emacs Lisp Reference manual"))
1360 (define-key menu-bar-manuals-menu [info-elintro]
1361   '(menu-item "Introduction to Emacs Lisp" menu-bar-read-lispintro
1362               :help "Read the Introduction to Emacs Lisp Programming"))
1363 (define-key menu-bar-manuals-menu [sep3]
1364   '("--"))
1365 (define-key menu-bar-manuals-menu [command]
1366   '(menu-item "Find Command in Manual..." Info-goto-emacs-command-node
1367               :help "Display manual section that describes a command"))
1368 (define-key menu-bar-manuals-menu [key]
1369   '(menu-item "Find Key in Manual..." Info-goto-emacs-key-command-node
1370               :help "Display manual section that describes a key"))
1371
1372 (define-key menu-bar-help-menu [eliza]
1373   '(menu-item "Emacs Psychiatrist" doctor
1374               :help "Our doctor will help you feel better"))
1375 (define-key menu-bar-help-menu [sep4]
1376   '("--"))
1377 (define-key menu-bar-help-menu [describe-no-warranty]
1378   '(menu-item "(Non)Warranty" describe-no-warranty
1379               :help "Explain that Emacs has NO WARRANTY"))
1380 (define-key menu-bar-help-menu [describe-copying]
1381   '(menu-item "Copying Conditions" describe-copying
1382               :help "Show the Emacs license (GPL)"))
1383 (define-key menu-bar-help-menu [describe-distribution]
1384   '(menu-item "Getting New Versions" describe-distribution
1385               :help "How to get latest versions of Emacs"))
1386 (define-key menu-bar-help-menu [more]
1387   '(menu-item "Find Extra Packages"
1388               menu-bar-help-extra-packages
1389               :help "Where to find some extra packages and possible updates"))
1390 (defun menu-bar-help-extra-packages ()
1391   "Display help about some additional packages available for Emacs."
1392   (interactive)
1393   (let (enable-local-variables)
1394     (view-file (expand-file-name "MORE.STUFF"
1395                                  data-directory))
1396     (goto-address)))
1397 (define-key menu-bar-help-menu [about]
1398   '(menu-item "About Emacs" display-splash-screen
1399               :help "Display version number, copyright info, and basic help"))
1400 (define-key menu-bar-help-menu [sep2]
1401   '("--"))
1402 (define-key menu-bar-help-menu [finder-by-keyword]
1403   '(menu-item "Find Emacs Packages" finder-by-keyword
1404               :help "Find packages and features by keyword"))
1405 (define-key menu-bar-help-menu [manuals]
1406   (list 'menu-item "More Manuals" menu-bar-manuals-menu
1407         :help "Search and browse on-line manuals"))
1408 (define-key menu-bar-help-menu [emacs-manual]
1409   '(menu-item "Read the Emacs Manual" info-emacs-manual
1410               :help "Full documentation of Emacs features"))
1411 (define-key menu-bar-help-menu [describe]
1412   (list 'menu-item "Describe" menu-bar-describe-menu
1413         :help "Describe commands, variables, keys"))
1414 (define-key menu-bar-help-menu [apropos]
1415   (list 'menu-item "Search Documentation" menu-bar-apropos-menu
1416         :help "Look up terms, find commands, options, etc. (Apropos)"))
1417 (define-key menu-bar-help-menu [sep1]
1418   '("--"))
1419 (define-key menu-bar-help-menu [report-emacs-bug]
1420   '(menu-item "Send Bug Report..." report-emacs-bug
1421               :help "Send e-mail to Emacs maintainers"))
1422 (define-key menu-bar-help-menu [emacs-problems]
1423   '(menu-item "Emacs Known Problems" view-emacs-problems))
1424 (define-key menu-bar-help-menu [emacs-news]
1425   '(menu-item "Emacs News" view-emacs-news
1426               :help "New features of this version"))
1427 (define-key menu-bar-help-menu [emacs-faq]
1428   '(menu-item "Emacs FAQ" view-emacs-FAQ))
1429
1430 (defun help-with-tutorial-spec-language ()
1431   "Use the Emacs tutorial, specifying which language you want."
1432   (interactive)
1433   (help-with-tutorial t))
1434
1435 (define-key menu-bar-help-menu [emacs-tutorial-language-specific]
1436   '(menu-item "Emacs Tutorial (choose language)..."
1437               help-with-tutorial-spec-language
1438               :help "Learn how to use Emacs (choose a language)"))
1439 (define-key menu-bar-help-menu [emacs-tutorial]
1440   '(menu-item "Emacs Tutorial" help-with-tutorial
1441               :help "Learn how to use Emacs"))
1442
1443 (defun kill-this-buffer ()      ; for the menubar
1444   "Kill the current buffer."
1445   (interactive)
1446   (kill-buffer (current-buffer)))
1447
1448 (defun kill-this-buffer-enabled-p ()
1449   (let ((count 0)
1450         (buffers (buffer-list)))
1451     (while buffers
1452       (or (string-match "^ " (buffer-name (car buffers)))
1453           (setq count (1+ count)))
1454       (setq buffers (cdr buffers)))
1455     (and (not (window-minibuffer-p (frame-selected-window menu-updating-frame)))
1456          (> count 1))))
1457
1458 (put 'dired 'menu-enable
1459      '(not (window-minibuffer-p (frame-selected-window menu-updating-frame))))
1460
1461 ;; Permit deleting frame if it would leave a visible or iconified frame.
1462 (defun delete-frame-enabled-p ()
1463   "Return non-nil if `delete-frame' should be enabled in the menu bar."
1464   (let ((frames (frame-list))
1465         (count 0))
1466     (while frames
1467       (if (frame-visible-p (car frames))
1468           (setq count (1+ count)))
1469       (setq frames (cdr frames)))
1470     (> count 1)))
1471
1472 (defcustom yank-menu-length 20
1473   "*Maximum length to display in the yank-menu."
1474   :type 'integer
1475   :group 'mouse)
1476
1477 (defun menu-bar-update-yank-menu (string old)
1478   (let ((front (car (cdr yank-menu)))
1479         (menu-string (if (<= (length string) yank-menu-length)
1480                          string
1481                        (concat
1482                         (substring string 0 (/ yank-menu-length 2))
1483                         "..."
1484                         (substring string (- (/ yank-menu-length 2)))))))
1485     ;; Don't let the menu string be all dashes
1486     ;; because that has a special meaning in a menu.
1487     (if (string-match "\\`-+\\'" menu-string)
1488         (setq menu-string (concat menu-string " ")))
1489     ;; If we're supposed to be extending an existing string, and that
1490     ;; string really is at the front of the menu, then update it in place.
1491     (if (and old (or (eq old (car front))
1492                      (string= old (car front))))
1493         (progn
1494           (setcar front string)
1495           (setcar (cdr front) menu-string))
1496       (setcdr yank-menu
1497               (cons
1498                (cons string (cons menu-string 'menu-bar-select-yank))
1499                (cdr yank-menu)))))
1500   (if (> (length (cdr yank-menu)) kill-ring-max)
1501       (setcdr (nthcdr kill-ring-max yank-menu) nil)))
1502
1503 (put 'menu-bar-select-yank 'apropos-inhibit t)
1504 (defun menu-bar-select-yank ()
1505   (interactive "*")
1506   (push-mark (point))
1507   (insert last-command-event))
1508
1509 \f
1510 (defcustom buffers-menu-show-directories 'unless-uniquify
1511   "If non-nil, show directories in the Buffers menu for buffers that have them.
1512 The special value `unless-uniquify' means that directories will be shown
1513 unless `uniquify-buffer-name-style' is non-nil (in which case, buffer
1514 names should include enough of a buffer's directory to distinguish it
1515 from other buffers).
1516
1517 Setting this variable directly does not take effect until next time the
1518 Buffers menu is regenerated."
1519   :set (lambda (symbol value)
1520          (set symbol value)
1521          (menu-bar-update-buffers t))
1522   :initialize 'custom-initialize-default
1523   :type '(choice (const :tag "Never" nil)
1524                  (const :tag "Unless uniquify is enabled" unless-uniquify)
1525                  (const :tag "Always" t))
1526   :group 'menu)
1527
1528 (defcustom buffers-menu-show-status t
1529   "If non-nil, show modified/read-only status of buffers in the Buffers menu.
1530 Setting this variable directly does not take effect until next time the
1531 Buffers menu is regenerated."
1532   :set (lambda (symbol value)
1533          (set symbol value)
1534          (menu-bar-update-buffers t))
1535   :initialize 'custom-initialize-default
1536   :type 'boolean
1537   :group 'menu)
1538
1539 (defvar list-buffers-directory nil)
1540
1541 (defvar menu-bar-update-buffers-maxbuf)
1542
1543 (defun menu-bar-select-buffer ()
1544   (interactive)
1545   (switch-to-buffer last-command-event))
1546
1547 (defun menu-bar-select-frame ()
1548   (interactive)
1549   (let (frame)
1550     (dolist (f (frame-list))
1551       (when (equal last-command-event (frame-parameter f 'name))
1552         (setq frame f)))
1553     ;; FRAME can be nil when user specifies the selected frame.
1554     (setq frame (or frame (selected-frame)))
1555     (make-frame-visible frame)
1556     (raise-frame frame)
1557     (select-frame frame)))
1558
1559 (defun menu-bar-update-buffers-1 (elt)
1560   (let* ((buf (car elt))
1561          (file
1562           (and (if (eq buffers-menu-show-directories 'unless-uniquify)
1563                    (or (not (boundp 'uniquify-buffer-name-style))
1564                        (null uniquify-buffer-name-style))
1565                  buffers-menu-show-directories)
1566                (or (buffer-file-name buf)
1567                    (buffer-local-value 'list-buffers-directory buf)))))
1568     (when file
1569       (setq file (file-name-directory file)))
1570     (when (and file (> (length file) 20))
1571       (setq file (concat "..." (substring file -17))))
1572     (cons (if buffers-menu-show-status
1573               (let ((mod (if (buffer-modified-p buf) "*" ""))
1574                     (ro (if (buffer-local-value 'buffer-read-only buf) "%" "")))
1575                 (if file
1576                     (format "%s  %s%s  --  %s" (cdr elt) mod ro file)
1577                   (format "%s  %s%s" (cdr elt) mod ro)))
1578             (if file
1579                 (format "%s  --  %s"  (cdr elt) file)
1580               (cdr elt)))
1581           buf)))
1582
1583 ;; Used to cache the menu entries for commands in the Buffers menu
1584 (defvar menu-bar-buffers-menu-command-entries nil)
1585
1586 (defun menu-bar-update-buffers (&optional force)
1587   ;; If user discards the Buffers item, play along.
1588   (and (lookup-key (current-global-map) [menu-bar buffer])
1589        (or force (frame-or-buffer-changed-p))
1590        (let ((buffers (buffer-list))
1591              (frames (frame-list))
1592              buffers-menu frames-menu)
1593          ;; If requested, list only the N most recently selected buffers.
1594          (if (and (integerp buffers-menu-max-size)
1595                   (> buffers-menu-max-size 1))
1596              (if (> (length buffers) buffers-menu-max-size)
1597                  (setcdr (nthcdr buffers-menu-max-size buffers) nil)))
1598
1599          ;; Make the menu of buffers proper.
1600          (setq buffers-menu
1601                (let* ((buffer-list
1602                        (mapcar 'list buffers))
1603                       (menu-bar-update-buffers-maxbuf 0)
1604                       alist)
1605                  ;; Put into each element of buffer-list
1606                  ;; the name for actual display,
1607                  ;; perhaps truncated in the middle.
1608                  (dolist (buf buffer-list)
1609                    (let ((name (buffer-name (car buf))))
1610                      (setcdr buf
1611                              (if (> (length name) 27)
1612                                  (concat (substring name 0 12)
1613                                          "..."
1614                                          (substring name -12))
1615                                name))))
1616                  ;; Compute the maximum length of any name.
1617                  (dolist (buf buffer-list)
1618                    (unless (eq ?\  (aref (cdr buf) 0))
1619                      (setq menu-bar-update-buffers-maxbuf
1620                            (max menu-bar-update-buffers-maxbuf
1621                                 (length (cdr buf))))))
1622                  ;; Set ALIST to an alist of the form
1623                  ;; ITEM-STRING . BUFFER
1624                  (dolist (buf buffer-list)
1625                    (unless (eq ?\  (aref (cdr buf) 0))
1626                      (push (menu-bar-update-buffers-1 buf) alist)))
1627                  ;; Now make the actual list of items, and add
1628                  ;; some miscellaneous buffer commands to the end.
1629                  (mapcar (lambda (pair)
1630                            ;; This is somewhat risque, to use
1631                            ;; the buffer name itself as the event
1632                            ;; type to define, but it works.
1633                            ;; It would not work to use the buffer
1634                            ;; since a buffer as an event has its
1635                            ;; own meaning.
1636                            (nconc (list (buffer-name (cdr pair))
1637                                         (car pair)
1638                                         (cons nil nil))
1639                                   'menu-bar-select-buffer))
1640                          (nreverse alist))))
1641
1642          ;; Make a Frames menu if we have more than one frame.
1643          (when (cdr frames)
1644            (let ((frames-menu
1645                   (cons 'keymap
1646                         (cons "Select Frame"
1647                               (mapcar
1648                                (lambda (frame)
1649                                  (nconc
1650                                   (list (frame-parameter frame 'name)
1651                                         (frame-parameter frame 'name)
1652                                         (cons nil nil))
1653                                   'menu-bar-select-frame))
1654                                frames)))))
1655              ;; Put it after the normal buffers
1656              (setq buffers-menu
1657                    (nconc buffers-menu
1658                           `((frames-separator "--")
1659                             (frames menu-item "Frames" ,frames-menu))))))
1660
1661          ;; Add in some normal commands at the end of the menu.  We use
1662          ;; the copy cached in `menu-bar-buffers-menu-command-entries'
1663          ;; if it's been set already.  Note that we can't use constant
1664          ;; lists for the menu-entries, because the low-level menu-code
1665          ;; modifies them.
1666          (unless menu-bar-buffers-menu-command-entries
1667            (setq menu-bar-buffers-menu-command-entries
1668                  (list '(command-separator "--")
1669                        (list 'next-buffer
1670                              'menu-item
1671                              "Next Buffer"
1672                              'next-buffer
1673                              :help "Switch to the \"next\" buffer in a cyclic order")
1674                        (list 'prev-buffer
1675                              'menu-item
1676                              "Previous Buffer"
1677                              'prev-buffer
1678                              :help "Switch to the \"previous\" buffer in a cyclic order")
1679                        (list 'select-named-buffer
1680                              'menu-item
1681                              "Select Named Buffer..."
1682                              'switch-to-buffer
1683                              :help "Prompt for a buffer name, and select that buffer in the current window")
1684                        (list 'list-all-buffers
1685                              'menu-item
1686                              "List All Buffers"
1687                              'list-buffers
1688                              :help "Pop up a window listing all emacs buffers"
1689                              ))))
1690          (setq buffers-menu
1691                (nconc buffers-menu menu-bar-buffers-menu-command-entries))
1692
1693          (setq buffers-menu (cons 'keymap (cons "Select Buffer" buffers-menu)))
1694          (define-key (current-global-map) [menu-bar buffer]
1695            ;; Call copy-sequence so the string is not pure.
1696            (cons (copy-sequence "Buffers") buffers-menu)))))
1697
1698 (add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
1699
1700 (menu-bar-update-buffers)
1701
1702 ;; this version is too slow
1703 ;;(defun format-buffers-menu-line (buffer)
1704 ;;  "Returns a string to represent the given buffer in the Buffer menu.
1705 ;;nil means the buffer shouldn't be listed.  You can redefine this."
1706 ;;  (if (string-match "\\` " (buffer-name buffer))
1707 ;;      nil
1708 ;;    (save-excursion
1709 ;;     (set-buffer buffer)
1710 ;;     (let ((size (buffer-size)))
1711 ;;       (format "%s%s %-19s %6s %-15s %s"
1712 ;;             (if (buffer-modified-p) "*" " ")
1713 ;;             (if buffer-read-only "%" " ")
1714 ;;             (buffer-name)
1715 ;;             size
1716 ;;             mode-name
1717 ;;             (or (buffer-file-name) ""))))))
1718 \f
1719 ;;; Set up a menu bar menu for the minibuffer.
1720
1721 (dolist (map (list minibuffer-local-map
1722                    ;; This shouldn't be necessary, but there's a funny
1723                    ;; bug in keymap.c that I don't understand yet.  -stef
1724                    minibuffer-local-completion-map))
1725   (define-key map [menu-bar minibuf]
1726     (cons "Minibuf" (make-sparse-keymap "Minibuf"))))
1727
1728 (let ((map minibuffer-local-completion-map))
1729   (define-key map [menu-bar minibuf ?\?]
1730     (list 'menu-item "List Completions" 'minibuffer-completion-help
1731           :help "Display all possible completions"))
1732   (define-key map [menu-bar minibuf space]
1733     (list 'menu-item "Complete Word" 'minibuffer-complete-word
1734           :help "Complete at most one word"))
1735   (define-key map [menu-bar minibuf tab]
1736     (list 'menu-item "Complete" 'minibuffer-complete
1737           :help "Complete as far as possible")))
1738
1739 (let ((map minibuffer-local-map))
1740   (define-key map [menu-bar minibuf quit]
1741     (list 'menu-item "Quit" 'keyboard-escape-quit
1742           :help "Abort input and exit minibuffer"))
1743   (define-key map [menu-bar minibuf return]
1744     (list 'menu-item "Enter" 'exit-minibuffer
1745           :help "Terminate input and exit minibuffer")))
1746 \f
1747 ;;;###autoload
1748 ;; This comment is taken from toolbar/tool-bar.el near
1749 ;; (put 'tool-bar-mode ...)
1750 ;; We want to pretend the menu bar by standard is on, as this will make
1751 ;; customize consider disabling the menu bar a customization, and save
1752 ;; that.  We could do this for real by setting :init-value below, but
1753 ;; that would overwrite disabling the tool bar from X resources.
1754 (put 'menu-bar-mode 'standard-value '(t))
1755
1756 ;;;###autoload
1757 (define-minor-mode menu-bar-mode
1758   "Toggle display of a menu bar on each frame.
1759 This command applies to all frames that exist and frames to be
1760 created in the future.
1761 With a numeric argument, if the argument is positive,
1762 turn on menu bars; otherwise, turn off menu bars."
1763   :init-value nil
1764   :global t
1765   :group 'frames
1766   ;; Make menu-bar-mode and default-frame-alist consistent.
1767   (let ((lines (if menu-bar-mode 1 0)))
1768     ;; Alter existing frames...
1769     (mapc (lambda (frame)
1770             (modify-frame-parameters frame
1771                                      (list (cons 'menu-bar-lines lines))))
1772           (frame-list))
1773     ;; ...and future ones.
1774     (let ((elt (assq 'menu-bar-lines default-frame-alist)))
1775       (if elt
1776           (setcdr elt lines)
1777         (add-to-list 'default-frame-alist (cons 'menu-bar-lines lines)))))
1778
1779   ;; Make the message appear when Emacs is idle.  We can not call message
1780   ;; directly.  The minor-mode message "Menu-bar mode disabled" comes
1781   ;; after this function returns, overwriting any message we do here.
1782   (when (and (interactive-p) (not menu-bar-mode))
1783     (run-with-idle-timer 0 nil 'message
1784                          "Menu-bar mode disabled.  Use M-x menu-bar-mode to make the menu bar appear."))
1785   menu-bar-mode)
1786
1787 (provide 'menu-bar)
1788
1789 ;;; arch-tag: 6e6a3c22-4ec4-4d3d-8190-583f8ef94ced
1790 ;;; menu-bar.el ends here