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emacs/lisp/menu-bar.el

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1993-04-08 16:17:43 +00:00
;;; menu-bar.el --- define a default menu bar.
1996-01-14 07:34:30 +00:00
;; Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
1993-04-08 16:17:43 +00:00
;; Author: RMS
1997-05-27 15:32:03 +00:00
;; Maintainer: FSF
1993-11-23 20:12:25 +00:00
;; Keywords: internal
1993-04-08 16:17:43 +00:00
1993-04-08 07:10:13 +00:00
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
1996-01-14 07:34:30 +00:00
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
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;; Avishai Yacobi suggested some menu rearrangements.
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;;; Code:
;;; User options:
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(defcustom buffers-menu-max-size 10
"*Maximum number of entries which may appear on the Buffers menu.
If this is 10, then only the ten most-recently-selected buffers are shown.
If this is nil, then all buffers are shown.
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A large number or nil slows down menu responsiveness."
:type '(choice integer
(const :tag "All" nil))
:group 'mouse)
;; Don't clobber an existing menu-bar keymap, to preserve any menu-bar key
;; definitions made in loaddefs.el.
(or (lookup-key global-map [menu-bar])
(define-key global-map [menu-bar] (make-sparse-keymap "menu-bar")))
(defvar menu-bar-help-menu (make-sparse-keymap "Help"))
;; Force Help item to come last, after the major mode's own items.
;; The symbol used to be called `help', but that gets confused with the
;; help key.
(setq menu-bar-final-items '(help-menu))
(define-key global-map [menu-bar help-menu] (cons "Help" menu-bar-help-menu))
(defvar menu-bar-tools-menu (make-sparse-keymap "Tools"))
(define-key global-map [menu-bar tools] (cons "Tools" menu-bar-tools-menu))
;; This definition is just to show what this looks like.
;; It gets overridden below when menu-bar-update-buffers is called.
(define-key global-map [menu-bar buffer]
(cons "Buffers" (make-sparse-keymap "Buffers")))
(defvar menu-bar-options-menu (make-sparse-keymap "Options"))
(define-key global-map [menu-bar options]
(cons "Options" menu-bar-options-menu))
(defvar menu-bar-edit-menu (make-sparse-keymap "Edit"))
(define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu))
(defvar menu-bar-files-menu (make-sparse-keymap "File"))
(define-key global-map [menu-bar files] (cons "File" menu-bar-files-menu))
;; This alias is for compatibility with 19.28 and before.
(defvar menu-bar-file-menu menu-bar-files-menu)
;; The "File" menu items
(define-key menu-bar-files-menu [exit-emacs]
'(menu-item "Exit Emacs" save-buffers-kill-emacs
:help "Save unsaved buffers, then exit"))
(define-key menu-bar-files-menu [separator-exit]
'("--"))
;; Don't use delete-frame as event name because that is a special
;; event.
(define-key menu-bar-files-menu [delete-this-frame]
'(menu-item "Delete Frame" delete-frame
:visible (fboundp 'delete-frame)
:enable (delete-frame-enabled-p)
:help "Delete currently selected frame"))
(define-key menu-bar-files-menu [make-frame-on-display]
'(menu-item "New Frame on Display..." make-frame-on-display
:visible (fboundp 'make-frame-on-display)
:help "Open a new frame on another display"))
(define-key menu-bar-files-menu [make-frame]
'(menu-item "New Frame" make-frame-command
:visible (fboundp 'make-frame-command)
:help "Open a new frame"))
(define-key menu-bar-files-menu [one-window]
'(menu-item "Unsplit Windows" delete-other-windows
:enable (not (one-window-p t nil))
:help "Make selected window fill its frame"))
(define-key menu-bar-files-menu [split-window]
'(menu-item "Split Window" split-window-vertically
:help "Split selected window in two"))
(define-key menu-bar-files-menu [separator-window]
'(menu-item "--"))
(define-key menu-bar-files-menu [ps-print-region]
'(menu-item "Postscript Print Region" ps-print-region-with-faces
:enable mark-active
:help "Pretty-print marked region to PostScript printer"))
(define-key menu-bar-files-menu [ps-print-buffer]
'(menu-item "Postscript Print Buffer" ps-print-buffer-with-faces
:help "Pretty-print current buffer to PostScript printer"))
(define-key menu-bar-files-menu [print-region]
'(menu-item "Print Region" print-region
:enable mark-active
:help "Print region between mark and current position"))
(define-key menu-bar-files-menu [print-buffer]
'(menu-item "Print Buffer" print-buffer
:help "Print current buffer with page headings"))
(define-key menu-bar-files-menu [separator-print]
'(menu-item "--"))
(define-key menu-bar-files-menu [recover-session]
'(menu-item "Recover Crashed Session..." recover-session
:enable (and auto-save-list-file-prefix
(directory-files
(file-name-directory auto-save-list-file-prefix)
nil
(concat "\\`"
(regexp-quote
(file-name-nondirectory
auto-save-list-file-prefix)))
t))
:help "Recover edits from a crashed session"))
(define-key menu-bar-files-menu [revert-buffer]
'(menu-item "Revert Buffer" revert-buffer
:enable (or revert-buffer-function
revert-buffer-insert-file-contents-function
(and (buffer-file-name)
(or (buffer-modified-p)
(not (verify-visited-file-modtime
(current-buffer))))))
:help "Re-read current buffer from its file"))
(define-key menu-bar-files-menu [write-file]
'(menu-item "Save Buffer As..." write-file
:enable (not (window-minibuffer-p
(frame-selected-window menu-updating-frame)))
:help "Write current buffer to another file"))
(define-key menu-bar-files-menu [save-buffer]
'(menu-item "Save (current buffer)" save-buffer
:enable (and (buffer-modified-p)
(not (window-minibuffer-p
(frame-selected-window menu-updating-frame))))
:help "Save current buffer to its file"))
(define-key menu-bar-files-menu [separator-save]
'(menu-item "--"))
(define-key menu-bar-files-menu [kill-buffer]
'(menu-item "Close (current buffer)" kill-this-buffer
:enable (kill-this-buffer-enabled-p)
:help "Discard contents of current buffer"))
(define-key menu-bar-files-menu [insert-file]
'(menu-item "Insert File..." insert-file
:enable (not (window-minibuffer-p
(frame-selected-window menu-updating-frame)))
:help "Insert another file into current buffer"))
(define-key menu-bar-files-menu [dired]
'(menu-item "Open Directory..." dired
:help "Read a directory, operate on its files"))
(define-key menu-bar-files-menu [open-file]
'(menu-item "Open File..." find-file
:enable (not (window-minibuffer-p
(frame-selected-window menu-updating-frame)))
:help "Read a file into an Emacs buffer"))
;; The "Edit" menu items
(defun nonincremental-search-forward (string)
"Read a string and search for it nonincrementally."
(interactive "sSearch for string: ")
(if (equal string "")
(search-forward (car search-ring))
(isearch-update-ring string nil)
(search-forward string)))
(defun nonincremental-search-backward (string)
"Read a string and search backward for it nonincrementally."
(interactive "sSearch for string: ")
(if (equal string "")
(search-backward (car search-ring))
(isearch-update-ring string nil)
(search-backward string)))
(defun nonincremental-re-search-forward (string)
"Read a regular expression and search for it nonincrementally."
(interactive "sSearch for regexp: ")
(if (equal string "")
(re-search-forward (car regexp-search-ring))
(isearch-update-ring string t)
(re-search-forward string)))
(defun nonincremental-re-search-backward (string)
"Read a regular expression and search backward for it nonincrementally."
(interactive "sSearch for regexp: ")
(if (equal string "")
(re-search-backward (car regexp-search-ring))
(isearch-update-ring string t)
(re-search-backward string)))
(defun nonincremental-repeat-search-forward ()
"Search forward for the previous search string."
(interactive)
(if (null search-ring)
(error "No previous search"))
(search-forward (car search-ring)))
(defun nonincremental-repeat-search-backward ()
"Search backward for the previous search string."
(interactive)
(if (null search-ring)
(error "No previous search"))
(search-backward (car search-ring)))
(defun nonincremental-repeat-re-search-forward ()
"Search forward for the previous regular expression."
(interactive)
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(if (null regexp-search-ring)
(error "No previous search"))
(re-search-forward (car regexp-search-ring)))
(defun nonincremental-repeat-re-search-backward ()
"Search backward for the previous regular expression."
(interactive)
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(if (null regexp-search-ring)
(error "No previous search"))
(re-search-backward (car regexp-search-ring)))
(defvar menu-bar-search-menu (make-sparse-keymap "Search"))
(defvar menu-bar-adv-search-menu
(make-sparse-keymap "Advanced Search/Replace"))
(define-key menu-bar-adv-search-menu [tags-continue]
'(menu-item "Continue Tags Search/Replace" tags-loop-continue
:help "Continue last tags search/replace operation"))
(define-key menu-bar-adv-search-menu [tags-repl]
'(menu-item "Replace in all tagged files" tags-query-replace
:help "Interactively replace a regexp in all tagged files"))
(define-key menu-bar-adv-search-menu [tags-srch]
'(menu-item "Search in all tagged files" tags-search
:help "Search for a regexp in all tagged files"))
(define-key menu-bar-adv-search-menu [separator-tag-search]
'(menu-item "--"))
(define-key menu-bar-adv-search-menu [query-replace-regexp]
'(menu-item "Replace Regexp..." query-replace-regexp
:enable (not buffer-read-only)
:help "Replace regular expression, ask about each occurrence"))
(define-key menu-bar-adv-search-menu [repeat-regexp-back]
'(menu-item "Repeat Regexp Backwards"
nonincremental-repeat-re-search-backward
:enable regexp-search-ring
:help "Repeat last regular expression search backwards"))
(define-key menu-bar-adv-search-menu [repeat-regexp-fwd]
'(menu-item "Repeat Regexp" nonincremental-repeat-re-search-forward
:enable regexp-search-ring
:help "Repeat last regular expression search forward"))
(define-key menu-bar-adv-search-menu [re-search-backward]
'(menu-item "Search Regexp Backwards..." nonincremental-re-search-backward
:help "Search backwards for a regular expression"))
(define-key menu-bar-adv-search-menu [re-search-forward]
'(menu-item "Search Regexp..." nonincremental-re-search-forward
:help "Search forward for a regular expression"))
(define-key menu-bar-search-menu [re-search]
(list 'menu-item "Advanced Search/Replace" menu-bar-adv-search-menu
:help "Regexp and Tags search and replace"))
(define-key menu-bar-search-menu [query-replace]
'(menu-item "Replace..." query-replace
:enable (not buffer-read-only)
:help "Replace string interactively, ask about each occurrence"))
(define-key menu-bar-search-menu [repeat-search-back]
'(menu-item "Repeat Backwards" nonincremental-repeat-search-backward
:enable search-ring
:help "Repeat last search backwards"))
(define-key menu-bar-search-menu [repeat-search-fwd]
'(menu-item "Repeat Search" nonincremental-repeat-search-forward
:enable search-ring
:help "Repeat last search forward"))
(define-key menu-bar-search-menu [search-backward]
'(menu-item "Search Backwards..." nonincremental-search-backward
:help "Search backwards for a string"))
(define-key menu-bar-search-menu [search-forward]
'(menu-item "Search..." nonincremental-search-forward
:help "Search forward for a string"))
;;; Assemble the top-level Edit menu items.
(define-key menu-bar-edit-menu [props]
'(menu-item "Text Properties" facemenu-menu
:help "Change properties of text in region"))
(define-key menu-bar-search-menu [separator-search]
'(menu-item "--"))
(define-key menu-bar-edit-menu [bookmark]
'(menu-item "Bookmarks" menu-bar-bookmark-map
:help "Record positions and jump between them"))
(define-key menu-bar-edit-menu [separator-bookmark]
'(menu-item "--"))
(defvar menu-bar-goto-menu (make-sparse-keymap "Go To"))
(define-key menu-bar-goto-menu [set-tags-name]
'(menu-item "Set Tags File Name" visit-tags-table
:help "Tell Tags commands which tag table file to use"))
(define-key menu-bar-goto-menu [separator-tag-file]
'(menu-item "--"))
(define-key menu-bar-goto-menu [apropos-tags]
'(menu-item "Tags Apropos" tags-apropos
:help "Find function/variables whose names match regexp"))
(define-key menu-bar-goto-menu [next-tag-otherw]
'(menu-item "Next Tag in Other Window"
(function (lambda () (find-tag-other-window nil t)))
:enable (and (boundp 'tags-location-ring)
(not (ring-empty-p tags-location-ring)))
:help "Find next function/variable matching last tag name in another window"))
(define-key menu-bar-goto-menu [next-tag]
'(menu-item "Find Next Tag"
(function (lambda () (find-tag nil t)))
:enable (and (boundp 'tags-location-ring)
(not (ring-empty-p tags-location-ring)))
:help "Find next function/variable matching last tag name"))
(define-key menu-bar-goto-menu [find-tag-otherw]
'(menu-item "Find Tag in Other Window..." find-tag-other-window
:help "Find function/variable definition in another window"))
(define-key menu-bar-goto-menu [find-tag]
'(menu-item "Find Tag..." find-tag
:help "Find definition of function or variable"))
(define-key menu-bar-goto-menu [separator-tags]
'(menu-item "--"))
(define-key menu-bar-goto-menu [end-of-buf]
'(menu-item "Goto End of Buffer" end-of-buffer))
(define-key menu-bar-goto-menu [beg-of-buf]
'(menu-item "Goto Beginning of Buffer" beginning-of-buffer))
(define-key menu-bar-goto-menu [go-to-pos]
'(menu-item "Goto Buffer Position..." goto-char
:help "Read a number N and go to buffer position N"))
(define-key menu-bar-goto-menu [go-to-line]
'(menu-item "Goto Line..." goto-line
:help "Read a line number and go to that line"))
(define-key menu-bar-edit-menu [goto]
(list 'menu-item "Go To" menu-bar-goto-menu))
(define-key menu-bar-edit-menu [search]
(list 'menu-item "Search" menu-bar-search-menu))
(define-key menu-bar-edit-menu [fill]
'(menu-item "Fill" fill-region
:enable (and mark-active (not buffer-read-only))
:help
"Fill text in region to fit between left and right margin"))
(define-key menu-bar-edit-menu [clear]
'(menu-item "Clear" delete-region
:enable (and mark-active
(not buffer-read-only)
(not (mouse-region-match)))
:help
"Delete the text in region between mark and current pos"))
(defvar yank-menu (cons "Select Yank" nil))
(fset 'yank-menu (cons 'keymap yank-menu))
(define-key menu-bar-edit-menu [select-paste]
'(menu-item "Select and Paste" yank-menu
:enable (and (cdr yank-menu) (not buffer-read-only))
:help "Paste text cut/copied earlier"))
(define-key menu-bar-edit-menu [paste]
'(menu-item "Paste" yank
:enable (and (x-selection-exists-p) (not buffer-read-only))
:help "Paste text most recently cut/copied"))
(define-key menu-bar-edit-menu [copy]
'(menu-item "Copy" menu-bar-kill-ring-save
:enable mark-active
:help "Copy text in region between mark and current pos"))
(define-key menu-bar-edit-menu [cut]
'(menu-item "Cut" kill-region
:enable (and mark-active (not buffer-read-only))
:help "Cut (kill) text in region between mark and current pos"))
(define-key menu-bar-edit-menu [undo]
'(menu-item "Undo" undo
:enable (and (not buffer-read-only)
(not (eq t buffer-undo-list))
(if (eq last-command 'undo)
pending-undo-list
(consp buffer-undo-list)))
:help "Undo last operation"))
(defun menu-bar-kill-ring-save (beg end)
(interactive "r")
(if (mouse-region-match)
(message "Selecting a region with the mouse does `copy' automatically")
(kill-ring-save beg end)))
(autoload 'ispell-menu-map "ispell" nil t 'keymap)
;; These are alternative definitions for the cut, paste and copy
;; menu items. Use them if your system expects these to use the clipboard.
(put 'clipboard-kill-region 'menu-enable 'mark-active)
(put 'clipboard-kill-ring-save 'menu-enable 'mark-active)
(put 'clipboard-yank 'menu-enable
'(or (x-selection-exists-p) (x-selection-exists-p 'CLIPBOARD)))
(defun clipboard-yank ()
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"Insert the clipboard contents, or the last stretch of killed text."
(interactive)
(let ((x-select-enable-clipboard t))
(yank)))
(defun clipboard-kill-ring-save (beg end)
"Copy region to kill ring, and save in the X clipboard."
(interactive "r")
(let ((x-select-enable-clipboard t))
(kill-ring-save beg end)))
(defun clipboard-kill-region (beg end)
"Kill the region, and save it in the X clipboard."
(interactive "r")
(let ((x-select-enable-clipboard t))
(kill-region beg end)))
(defun menu-bar-enable-clipboard ()
"Make CUT, PASTE and COPY (keys and menu bar items) use the clipboard.
Do the same for the keys of the same name."
(interactive)
;; We can't use constant list structure here because it becomes pure,
;; and because it gets modified with cache data.
(define-key menu-bar-edit-menu [paste]
(cons "Paste" (cons "Paste text from clipboard" 'clipboard-yank)))
(define-key menu-bar-edit-menu [copy]
(cons "Copy" (cons "Copy text in region to the clipboard"
'clipboard-kill-ring-save)))
(define-key menu-bar-edit-menu [cut]
(cons "Cut" (cons "Delete text in region and copy it to the clipboard"
'clipboard-kill-region)))
(define-key global-map [f20] 'clipboard-kill-region)
(define-key global-map [f16] 'clipboard-kill-ring-save)
(define-key global-map [f18] 'clipboard-yank)
;; X11R6 versions
(define-key global-map [cut] 'clipboard-kill-region)
(define-key global-map [copy] 'clipboard-kill-ring-save)
(define-key global-map [paste] 'clipboard-yank))
;; The "Options" menu items
(defvar menu-bar-custom-menu (make-sparse-keymap "Customize"))
(define-key menu-bar-custom-menu [customize-apropos-groups]
'(menu-item "Groups Matching Regexp..." customize-apropos-groups
:help "Browse groups whose names match regexp"))
(define-key menu-bar-custom-menu [customize-apropos-faces]
'(menu-item "Faces Matching Regexp..." customize-apropos-faces
:help "Browse faces whose names match regexp"))
(define-key menu-bar-custom-menu [customize-apropos-options]
'(menu-item "Options Matching Regexp..." customize-apropos-options
:help "Browse options whose names match regexp"))
(define-key menu-bar-custom-menu [customize-apropos]
'(menu-item "Settings Matching Regexp..." customize-apropos
:help "Browse customizable settings whose names match regexp"))
(define-key menu-bar-custom-menu [separator-2]
'("--"))
(define-key menu-bar-custom-menu [customize-group]
'(menu-item "Specific Group..." customize-group
:help "Customize settings of specific group"))
(define-key menu-bar-custom-menu [customize-face]
'(menu-item "Specific Face..." customize-face
:help "Customize attributes of specific face"))
(define-key menu-bar-custom-menu [customize-option]
'(menu-item "Specific Option..." customize-option
:help "Change value of specific option"))
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(define-key menu-bar-custom-menu [customize-changed-options]
'(menu-item "Recently Changed Options..." customize-changed-options
:help "Customize options changed in recent versions"))
(define-key menu-bar-custom-menu [separator-3]
'("--"))
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(define-key menu-bar-custom-menu [customize-browse]
'(menu-item "Browse Customization Groups" customize-browse
:help "Browse all customization groups"))
(define-key menu-bar-custom-menu [customize]
'(menu-item "Top-level Customization Group" customize
:help "The master group called `Emacs'"))
;(defvar menu-bar-preferences-menu (make-sparse-keymap "Preferences"))
(defmacro menu-bar-make-toggle (name variable doc message help &rest body)
`(progn
(defun ,name ()
,(concat doc ".")
(interactive)
(if ,(if body `(progn . ,body)
`(setq ,variable (not ,variable)))
(message ,message "enabled")
(message ,message "disabled")))
'(menu-item ,doc ,name
:help ,help
:button (:toggle . (and (boundp ',variable) ,variable)))))
;;; Assemble all the top-level items of the "Options" menu
(define-key menu-bar-options-menu [customize]
(list 'menu-item "Customize Emacs" menu-bar-custom-menu
:help "Full customization of every Emacs feature"))
(define-key menu-bar-options-menu [mule]
;; It is better not to use backquote here,
;; because that makes a bootstrapping problem
;; if you need to recompile all the Lisp files using interpreted code.
(list 'menu-item "Mule (Multilingual Environment)" mule-menu-keymap
':visible 'default-enable-multibyte-characters
':help "Default language, encodings, input method"))
;(setq menu-bar-final-items (cons 'mule menu-bar-final-items))
;(define-key menu-bar-options-menu [preferences]
; (list 'menu-item "Preferences" menu-bar-preferences-menu
; :help "Toggle important global options"))
(define-key menu-bar-options-menu [mule-separator]
'("------"))
(define-key menu-bar-options-menu [debug-on-quit]
(menu-bar-make-toggle toggle-debug-on-quit debug-on-quit
"Enter Debugger on Quit/C-g" "Debug on Quit %s"
"Enter Lisp debugger when C-g is pressed"))
(define-key menu-bar-options-menu [debug-on-error]
(menu-bar-make-toggle toggle-debug-on-error debug-on-error
"Enter Debugger on Error" "Debug on Error %s"
"Enter Lisp debugger when error is signaled"))
(define-key menu-bar-options-menu [debugger-separator]
'("--"))
(define-key menu-bar-options-menu [toggle-auto-compression]
'(menu-item "Automatic File De/compression"
auto-compression-mode
:help "Transparently decompress compressed files"
:button (:toggle . (rassq 'jka-compr-handler
file-name-handler-alist))))
(define-key menu-bar-options-menu [save-place]
(menu-bar-make-toggle toggle-save-place-globally save-place
"Save Place in Files between Sessions"
"Saving place in files %s"
"Save Emacs state for next session"
(require 'saveplace)
(setq-default save-place (not (default-value save-place)))))
(define-key menu-bar-options-menu [uniquify]
(menu-bar-make-toggle toggle-uniquify-buffer-names uniquify-buffer-name-style
"Use Directory Names in Buffer Names"
"Directory name in buffer names (uniquify) %s"
nil
(require 'uniquify)
(setq uniquify-buffer-name-style
(if (not uniquify-buffer-name-style)
'forward))))
(define-key menu-bar-options-menu [edit-options-separator]
'("--"))
(define-key menu-bar-options-menu [case-fold-search]
(menu-bar-make-toggle toggle-case-fold-search case-fold-search
"Case-Insensitive Search"
"Case-Insensitive Search %s"
"If checked, search ignores letter-case"))
(define-key menu-bar-options-menu [auto-fill-mode]
'(menu-item "Word Wrap in Text Modes (Auto Fill)"
toggle-text-mode-auto-fill
:help "Automatically fill text between left and right margins"
:button (:toggle . (member 'turn-on-auto-fill text-mode-hook))))
(define-key menu-bar-options-menu [truncate-lines]
(menu-bar-make-toggle
toggle-truncate-lines truncate-lines
"Truncate Long Lines" "Long Line Truncation %s"
"If checked, long lines are truncated on the screen"
(prog1 (setq truncate-lines (not truncate-lines))
(set-buffer-modified-p (buffer-modified-p)))))
(define-key menu-bar-options-menu [highlight-separator]
'("--"))
(define-key menu-bar-options-menu [highlight-paren-mode]
(menu-bar-make-toggle toggle-highlight-paren-mode show-paren-mode
"Highlight Matching Parentheses"
"Show Paren mode %s"
"Highlight matching and mismatched parentheses"))
(define-key menu-bar-options-menu [transient-mark-mode]
(menu-bar-make-toggle toggle-transient-mark-mode transient-mark-mode
"Transient Mark Mode (highlights region)"
"Transient Mark mode %s"
"Highlight the marked region when it's active"))
(define-key menu-bar-options-menu [toggle-global-lazy-font-lock-mode]
(menu-bar-make-toggle toggle-global-lazy-font-lock-mode global-font-lock-mode
"Highlight Syntax (Global Font Lock)"
"Syntax Highlighting %s"
"Highlights text based on language syntax"
;; Make sure a support mode is used;
;; otherwise Font Lock will be too slow.
(require 'font-lock)
(if (not global-font-lock-mode)
(or font-lock-support-mode
(setq font-lock-support-mode 'lazy-lock-mode)))
(global-font-lock-mode)))
;; The "Tools" menu items
(defvar menu-bar-games-menu (make-sparse-keymap "Games"))
(define-key menu-bar-tools-menu [games]
(list 'menu-item "Games" menu-bar-games-menu))
(define-key menu-bar-tools-menu [separator-games]
'("--"))
(define-key menu-bar-games-menu [yow]
'(menu-item "Random Quotation" yow
:help "Display a random Zippy quotation"))
(define-key menu-bar-games-menu [tetris]
'(menu-item "Tetris" tetris))
(define-key menu-bar-games-menu [solitaire]
'(menu-item "Solitaire" solitaire))
(define-key menu-bar-games-menu [snake]
'(menu-item "Snake" snake
:help "Move snake around avoiding collisions"))
(define-key menu-bar-games-menu [mult]
'(menu-item "Multiplication Puzzle" mpuz
:help "Excercise brain with multiplication"))
(define-key menu-bar-games-menu [life]
'(menu-item "Life" life
:help "Watch how John Conway's cellular automaton evolves"))
(define-key menu-bar-games-menu [hanoi]
'(menu-item "Towers of Hanoi" hanoi
:help "Watch Towers-of-Hanoi puzzle solved by Emacs"))
(define-key menu-bar-games-menu [gomoku]
'(menu-item "Gomoku" gomoku
:help "Mark 5 contiguous squares (like tic-tac-toe)"))
(define-key menu-bar-games-menu [black-box]
'(menu-item "Blackbox" blackbox
:help "Find balls in a black box by shooting rays"))
(define-key menu-bar-games-menu [adventure]
'(menu-item "Adventure" dunnet
:help "Dunnet, a text Adventure game for Emacs"))
(define-key menu-bar-games-menu [5x5]
'(menu-item "5x5" 5x5
:help "Fill in all the squares on a 5x5 board"))
(define-key menu-bar-tools-menu [calendar]
'(menu-item "Display Calendar" calendar))
(define-key menu-bar-tools-menu [speedbar]
'(menu-item "Display Speedbar" speedbar-frame-mode))
(define-key menu-bar-tools-menu [directory-search]
'(menu-item "Directory Search" eudc-tools-menu
:help "Query directory servers via LDAP, CCSO PH/QI or BBDB"))
(define-key menu-bar-tools-menu [compose-mail]
'(menu-item "Send Mail" compose-mail
:help "Send a mail message"))
(define-key menu-bar-tools-menu [rmail]
'(menu-item "Read Mail" read-mail-command
:help "Read your mail and reply to it"))
(define-key menu-bar-tools-menu [gnus]
'(menu-item "Read Net News" gnus
:help "Read network news groups"))
(define-key menu-bar-tools-menu [separator-vc]
'("--"))
(defvar vc-menu-map (make-sparse-keymap "Version Control"))
(define-key menu-bar-tools-menu [vc]
(list 'menu-item "Version Control" vc-menu-map
:help "Interface to RCS, CVS, SCCS"))
(define-key menu-bar-tools-menu [separator-compare]
'("--"))
(define-key menu-bar-tools-menu [ediff-misc]
'(menu-item "Ediff Miscellanea" menu-bar-ediff-misc-menu
:help "Ediff manual, customization, sessions, etc."))
(define-key menu-bar-tools-menu [epatch]
'(menu-item "Apply Patch" menu-bar-epatch-menu))
(define-key menu-bar-tools-menu [ediff-merge]
'(menu-item "Merge" menu-bar-ediff-merge-menu
:help "Merge different revisions of files/directories"))
(define-key menu-bar-tools-menu [compare]
'(menu-item "Compare (Ediff)" menu-bar-ediff-menu
:help "Display differences between files/directories"))
(define-key menu-bar-tools-menu [separator-spell]
'("--"))
(define-key menu-bar-tools-menu [spell]
'(menu-item "Spell Checking" ispell-menu-map))
(define-key menu-bar-tools-menu [separator-prog]
'("--"))
(define-key menu-bar-tools-menu [gdb]
'(menu-item "Debugger (GUD)..." gdb
:help "Debug a program from withing Emacs"))
(define-key menu-bar-tools-menu [shell-on-region]
'(menu-item "Shell Command on Region..." shell-command-on-region
:enable mark-active
:help "Pass marked region to a shell command"))
(define-key menu-bar-tools-menu [shell]
'(menu-item "Shell Command..." shell-command
:help "Invoke a shell command and catch its output"))
(define-key menu-bar-tools-menu [compile]
'(menu-item "Compile..." compile
:help "Invoke compiler or Make, view compilation errors"))
(define-key menu-bar-tools-menu [grep]
'(menu-item "Search Files (Grep)..." grep
:help "Search files for strings or regexps (with Grep)"))
;; The "Help" menu items
(defvar menu-bar-describe-menu (make-sparse-keymap "Describe"))
(define-key menu-bar-describe-menu [mule-diag]
'(menu-item "Show All of Mule Status" mule-diag
:visible default-enable-multibyte-characters
:help "Display multilingual environment settings"))
(define-key menu-bar-describe-menu [describe-coding-system]
'(menu-item "Describe Coding System..." describe-coding-system
:visible default-enable-multibyte-characters))
(define-key menu-bar-describe-menu [describe-input-method]
'(menu-item "Describe Input Method..." describe-input-method
:visible default-enable-multibyte-characters
:help "Keyboard layout for specific input method"))
(define-key menu-bar-describe-menu [describe-language-environment]
'(menu-item "Describe Language Environment" describe-language-environment-map
:visible default-enable-multibyte-characters))
(define-key menu-bar-describe-menu [separator-desc-mule]
'(menu-item "--" nil :visible default-enable-multibyte-characters))
(define-key menu-bar-describe-menu [list-keybindings]
'(menu-item "List Key Bindings" describe-bindings
:help "Display a list of all current keybindings"))
(define-key menu-bar-describe-menu [list-keybindings]
'(menu-item "List Key Bindings" describe-bindings
:help "Display a list of all current keybindings"))
(define-key menu-bar-describe-menu [describe-variable]
'(menu-item "Describe Variable..." describe-variable
:help "Display documentation of variable/option"))
(define-key menu-bar-describe-menu [describe-function]
'(menu-item "Describe Function..." describe-function
:help "Display documentation of function/command"))
(define-key menu-bar-describe-menu [describe-key]
'(menu-item "Describe Key..." describe-key
:help "Display documentation of command bound to key"))
(define-key menu-bar-describe-menu [apropos-variables]
'(menu-item "Apropos Variables..." apropos-variable
:help "List variables whose names match a regexp"))
(define-key menu-bar-describe-menu [apropos-commands]
'(menu-item "Apropos Commands..." apropos-command
:help "List commands whose names match a regexp"))
(define-key menu-bar-describe-menu [describe-mode]
'(menu-item "Describe Buffer Modes" describe-mode
:help "Describe this buffer's major and minor mode"))
(defvar menu-bar-manuals-menu (make-sparse-keymap "Manuals"))
(define-key menu-bar-manuals-menu [man]
'(menu-item "Read Man Page..." manual-entry
:help "Man-page docs for external commands and libraries"))
(define-key menu-bar-manuals-menu [sep2]
'("--"))
(define-key menu-bar-manuals-menu [info]
'(menu-item "Browse Manuals with Info" info
:help "Read any of the installed manuals"))
(define-key menu-bar-manuals-menu [command]
'(menu-item "Find Command in Manual" Info-goto-emacs-command-node
:help "Display manual section that describes a command"))
(define-key menu-bar-manuals-menu [key]
'(menu-item "Find Key in Manual" Info-goto-emacs-key-command-node
:help "Display manual section that describes a key"))
(define-key menu-bar-help-menu [eliza]
'(menu-item "Emacs Psychiatrist" doctor
:help "Our doctor will help you feel better"))
(define-key menu-bar-help-menu [sep3]
'("--"))
(define-key menu-bar-help-menu [describe-no-warranty]
'(menu-item "(Non)Warranty" describe-no-warranty
:help "Explain that Emacs has NO WARRANTY"))
(define-key menu-bar-help-menu [describe-copying]
'(menu-item "Copying Conditions" describe-copying
:help "Show the Emacs license (GPL)"))
(define-key menu-bar-help-menu [describe-distribution]
'(menu-item "Getting New Versions" describe-distribution
:help "How to get latest versions of Emacs"))
(define-key menu-bar-help-menu [emacs-version]
'(menu-item "Show Emacs Version" emacs-version))
(define-key menu-bar-help-menu [sep2]
'("--"))
(define-key menu-bar-help-menu [finder-by-keyword]
'(menu-item "Find Emacs Packages..." finder-by-keyword
:help "Find packages and features by keyword"))
(define-key menu-bar-help-menu [describe]
(list 'menu-item "Describe" menu-bar-describe-menu
:help "Describe commands, variables, keys"))
(define-key menu-bar-help-menu [manuals]
(list 'menu-item "Manuals" menu-bar-manuals-menu))
(define-key menu-bar-help-menu [sep1]
'("--"))
(define-key menu-bar-help-menu [report-emacs-bug]
'(menu-item "Send Bug Report..." report-emacs-bug
:help "Send e-mail to Emacs maintainers"))
(define-key menu-bar-help-menu [emacs-problems]
'(menu-item "Emacs Known Problems" view-emacs-problems))
(define-key menu-bar-help-menu [emacs-news]
'(menu-item "Emacs News" view-emacs-news
:help "New features of this version"))
(define-key menu-bar-help-menu [emacs-faq]
'(menu-item "Emacs FAQ" view-emacs-FAQ))
(define-key menu-bar-help-menu [emacs-tutorial]
'(menu-item "Emacs Tutorial" help-with-tutorial
:help "Learn how to use Emacs"))
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(defun kill-this-buffer () ; for the menubar
"Kills the current buffer."
(interactive)
(kill-buffer (current-buffer)))
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(defun kill-this-buffer-enabled-p ()
(let ((count 0)
(buffers (buffer-list)))
(while buffers
(or (string-match "^ " (buffer-name (car buffers)))
(setq count (1+ count)))
(setq buffers (cdr buffers)))
(and (not (window-minibuffer-p (frame-selected-window menu-updating-frame)))
(> count 1))))
(put 'dired 'menu-enable
'(not (window-minibuffer-p (frame-selected-window menu-updating-frame))))
;; Permit deleting frame if it would leave a visible or iconified frame.
(defun delete-frame-enabled-p ()
"Return non-nil if `delete-frame' should be enabled in the menu bar."
(let ((frames (frame-list))
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(count 0))
(while frames
(if (frame-visible-p (car frames))
(setq count (1+ count)))
(setq frames (cdr frames)))
(> count 1)))
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1997-05-05 15:06:25 +00:00
(defcustom yank-menu-length 20
"*Maximum length to display in the yank-menu."
:type 'integer
:group 'mouse)
(defun menu-bar-update-yank-menu (string old)
(let ((front (car (cdr yank-menu)))
(menu-string (if (<= (length string) yank-menu-length)
string
(concat
(substring string 0 (/ yank-menu-length 2))
"..."
(substring string (- (/ yank-menu-length 2)))))))
;; Don't let the menu string be all dashes
;; because that has a special meaning in a menu.
(if (string-match "\\`-+\\'" menu-string)
(setq menu-string (concat menu-string " ")))
;; If we're supposed to be extending an existing string, and that
;; string really is at the front of the menu, then update it in place.
(if (and old (or (eq old (car front))
(string= old (car front))))
(progn
(setcar front string)
(setcar (cdr front) menu-string))
(setcdr yank-menu
(cons
(cons string (cons menu-string 'menu-bar-select-yank))
(cdr yank-menu)))))
(if (> (length (cdr yank-menu)) kill-ring-max)
(setcdr (nthcdr kill-ring-max yank-menu) nil)))
(put 'menu-bar-select-yank 'apropos-inhibit t)
(defun menu-bar-select-yank ()
(interactive "*")
(push-mark (point))
(insert last-command-event))
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(defvar list-buffers-directory nil)
(defvar menu-bar-update-buffers-maxbuf)
(defun menu-bar-select-buffer ()
(interactive)
(switch-to-buffer last-command-event))
(defun menu-bar-select-frame ()
(interactive)
(make-frame-visible last-command-event)
(raise-frame last-command-event)
(select-frame last-command-event))
(defun menu-bar-update-buffers-1 (elt)
(cons (format
(format "%%%ds %%s%%s %%s" menu-bar-update-buffers-maxbuf)
(cdr elt)
(if (buffer-modified-p (car elt))
"*" " ")
(save-excursion
(set-buffer (car elt))
(if buffer-read-only "%" " "))
(let ((file
(or (buffer-file-name (car elt))
(save-excursion
(set-buffer (car elt))
list-buffers-directory)
"")))
(setq file (or (file-name-directory file)
""))
(if (> (length file) 20)
(setq file (concat "..." (substring file -17))))
file))
(car elt)))
(defvar menu-bar-buffers-menu-list-buffers-entry nil)
(defun menu-bar-update-buffers ()
;; If user discards the Buffers item, play along.
(and (lookup-key (current-global-map) [menu-bar buffer])
(frame-or-buffer-changed-p)
(let ((buffers (buffer-list))
(frames (frame-list))
(maxlen 0)
buffers-menu frames-menu)
;; If requested, list only the N most recently selected buffers.
(if (and (integerp buffers-menu-max-size)
(> buffers-menu-max-size 1))
(if (> (length buffers) buffers-menu-max-size)
(setcdr (nthcdr buffers-menu-max-size buffers) nil)))
;; Make the menu of buffers proper.
(setq buffers-menu
(cons "Select Buffer"
(let* ((buffer-list
(mapcar 'list buffers))
tail
(menu-bar-update-buffers-maxbuf 0)
alist
head)
;; Put into each element of buffer-list
;; the name for actual display,
;; perhaps truncated in the middle.
(setq tail buffer-list)
(while tail
(let ((name (buffer-name (car (car tail)))))
(setcdr (car tail)
(if (> (length name) 27)
(concat (substring name 0 12)
"..."
(substring name -12))
name)))
(setq tail (cdr tail)))
;; Compute the maximum length of any name.
(setq tail buffer-list)
(while tail
(or (eq ?\ (aref (cdr (car tail)) 0))
(setq menu-bar-update-buffers-maxbuf
(max menu-bar-update-buffers-maxbuf
(length (cdr (car tail))))))
(setq tail (cdr tail)))
;; Set ALIST to an alist of the form
;; ITEM-STRING . BUFFER
(setq tail buffer-list)
(while tail
(let ((elt (car tail)))
(or (eq ?\ (aref (cdr elt) 0))
(setq alist (cons
(menu-bar-update-buffers-1 elt)
alist)))
(and alist (> (length (car (car alist))) maxlen)
(setq maxlen (length (car (car alist))))))
(setq tail (cdr tail)))
(setq alist (nreverse alist))
;; Make the menu item for list-buffers
;; or reuse the one we already have.
;; The advantage in reusing one
;; is that it already has the keyboard equivalent
;; cached, so we save the time to look that up again.
(or menu-bar-buffers-menu-list-buffers-entry
(setq menu-bar-buffers-menu-list-buffers-entry
(cons
'list-buffers
(cons
""
'list-buffers))))
;; Update the item string for menu's new width.
(setcar (cdr menu-bar-buffers-menu-list-buffers-entry)
(concat (make-string (max (- (/ maxlen 2) 8) 0)
?\ )
"List All Buffers"))
;; Now make the actual list of items,
;; ending with the list-buffers item.
(nconc (mapcar '(lambda (pair)
;; This is somewhat risque, to use
;; the buffer name itself as the event
;; type to define, but it works.
;; It would not work to use the buffer
;; since a buffer as an event has its
;; own meaning.
(nconc (list (buffer-name (cdr pair))
(car pair)
(cons nil nil))
'menu-bar-select-buffer))
alist)
(list menu-bar-buffers-menu-list-buffers-entry)))))
;; Make a Frames menu if we have more than one frame.
(if (cdr frames)
(let ((name (concat (make-string (max (- (/ maxlen 2) 3) 0)
?\ )
"Frames"))
(frames-menu
(cons 'keymap
(cons "Select Frame"
(mapcar '(lambda (frame)
(nconc (list frame
(cdr (assq 'name
(frame-parameters frame)))
(cons nil nil))
'menu-bar-select-frame))
frames)))))
;; Put it underneath the Buffers menu.
(setq buffers-menu (cons (cons 'frames (cons name frames-menu))
buffers-menu))))
(if buffers-menu
(setq buffers-menu (cons 'keymap buffers-menu)))
(define-key (current-global-map) [menu-bar buffer]
(cons "Buffers" buffers-menu)))))
(add-hook 'menu-bar-update-hook 'menu-bar-update-buffers)
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(menu-bar-update-buffers)
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;; this version is too slow
;;;(defun format-buffers-menu-line (buffer)
;;; "Returns a string to represent the given buffer in the Buffer menu.
;;;nil means the buffer shouldn't be listed. You can redefine this."
;;; (if (string-match "\\` " (buffer-name buffer))
;;; nil
;;; (save-excursion
;;; (set-buffer buffer)
;;; (let ((size (buffer-size)))
;;; (format "%s%s %-19s %6s %-15s %s"
;;; (if (buffer-modified-p) "*" " ")
;;; (if buffer-read-only "%" " ")
;;; (buffer-name)
;;; size
;;; mode-name
;;; (or (buffer-file-name) ""))))))
;;; Set up a menu bar menu for the minibuffer.
(mapcar
(function
(lambda (map)
(define-key map [menu-bar minibuf]
(cons "Minibuf" (make-sparse-keymap "Minibuf")))))
(list minibuffer-local-ns-map
minibuffer-local-must-match-map
minibuffer-local-isearch-map
minibuffer-local-map
minibuffer-local-completion-map))
(mapcar
(function
(lambda (map)
(define-key map [menu-bar minibuf ?\?]
(list 'menu-item "List Completions" 'minibuffer-completion-help
:help "Display all possible completions"))
(define-key map [menu-bar minibuf space]
(list 'menu-item "Complete Word" 'minibuffer-complete-word
:help "Complete at most one word"))
(define-key map [menu-bar minibuf tab]
(list 'menu-item "Complete" 'minibuffer-complete
:help "Complete as far as possible"))
))
(list minibuffer-local-must-match-map
minibuffer-local-completion-map))
(mapcar
(function
(lambda (map)
(define-key map [menu-bar minibuf quit]
(list 'menu-item "Quit" 'keyboard-escape-quit
:help "Abort input and exit minibuffer"))
(define-key map [menu-bar minibuf return]
(list 'menu-item "Enter" 'exit-minibuffer
:help "Terminate input and exit minibuffer"))
))
(list minibuffer-local-ns-map
minibuffer-local-must-match-map
minibuffer-local-isearch-map
minibuffer-local-map
minibuffer-local-completion-map))
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(defcustom menu-bar-mode nil
"Toggle display of a menu bar on each frame.
Setting this variable directly does not take effect;
use either \\[customize] or the function `menu-bar-mode'."
:set (lambda (symbol value)
(menu-bar-mode (or value 0)))
:initialize 'custom-initialize-default
:type 'boolean
:group 'frames)
(defun menu-bar-mode (flag)
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"Toggle display of a menu bar on each frame.
This command applies to all frames that exist and frames to be
created in the future.
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With a numeric argument, if the argument is positive,
turn on menu bars; otherwise, turn off menu bars."
(interactive "P")
;; Make menu-bar-mode and default-frame-alist consistent.
(let ((default (assq 'menu-bar-lines default-frame-alist)))
(if default
(setq menu-bar-mode (not (eq (cdr default) 0)))
(setq default-frame-alist
(cons (cons 'menu-bar-lines (if menu-bar-mode 1 0))
default-frame-alist))))
;; Toggle or set the mode, according to FLAG.
(setq menu-bar-mode (if (null flag) (not menu-bar-mode)
(> (prefix-numeric-value flag) 0)))
;; Apply it to default-frame-alist.
(let ((parameter (assq 'menu-bar-lines default-frame-alist)))
(if (consp parameter)
(setcdr parameter (if menu-bar-mode 1 0))
(setq default-frame-alist
(cons (cons 'menu-bar-lines (if menu-bar-mode 1 0))
default-frame-alist))))
;; Apply it to existing frames.
(let ((frames (frame-list)))
(while frames
(let ((height (cdr (assq 'height (frame-parameters (car frames))))))
(modify-frame-parameters (car frames)
(list (cons 'menu-bar-lines
(if menu-bar-mode 1 0))))
(modify-frame-parameters (car frames)
(list (cons 'height height))))
(setq frames (cdr frames)))))
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(provide 'menu-bar)
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;;; menu-bar.el ends here