+;;; menu-bar.el --- define a default menu bar.
+
+;; Author: RMS
+;; Keywords: internals
+
+;; Copyright (C) 1993 Free Software Foundation, Inc.
+
+;; 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
+;; along with GNU Emacs; see the file COPYING. If not, write to
+;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+;;; Code:
+
(define-key global-map [menu-bar] (make-sparse-keymap "menu-bar"))
-(setq menu-bar-help-menu (make-sparse-keymap "Help"))
+(defvar menu-bar-help-menu (make-sparse-keymap "Help"))
+;; Put Help item last.
+(setq menu-bar-final-items '(help))
(define-key global-map [menu-bar help] (cons "Help" menu-bar-help-menu))
-(setq menu-bar-edit-menu (make-sparse-keymap "Edit"))
+(defvar menu-bar-edit-menu (make-sparse-keymap "Edit"))
(define-key global-map [menu-bar edit] (cons "Edit" menu-bar-edit-menu))
-(setq menu-bar-file-menu (make-sparse-keymap "File"))
+(defvar menu-bar-file-menu (make-sparse-keymap "File"))
(define-key global-map [menu-bar file] (cons "File" menu-bar-file-menu))
(define-key menu-bar-file-menu [exit-emacs]
(define-key menu-bar-file-menu [write-file]
'("Save Buffer As..." . write-file))
(define-key menu-bar-file-menu [save-buffer] '("Save Buffer" . save-buffer))
+(define-key menu-bar-file-menu [dired] '("Open Directory..." . dired))
(define-key menu-bar-file-menu [open-file] '("Open File..." . find-file))
(define-key menu-bar-file-menu [new-frame] '("New Frame" . new-frame))
-(define-key menu-bar-edit-menu [clear] '("Clear" . x-delete-primary-selection))
-(define-key menu-bar-edit-menu [paste] '("Paste" . x-yank-clipboard-selection))
-(define-key menu-bar-edit-menu [copy] '("Copy" . x-copy-primary-selection))
-(define-key menu-bar-edit-menu [cut] '("Cut" . x-kill-primary-selection))
-(define-key menu-bar-edit-menu [undo] '("Undo" . advertised-undo))
+
+(define-key menu-bar-edit-menu [spell] '("Spell..." . ispell-menu-map))
+(define-key menu-bar-edit-menu [fill] '("Fill" . fill-region))
+(define-key menu-bar-edit-menu [clear] '("Clear" . delete-region))
+(define-key menu-bar-edit-menu [choose-next-paste]
+ '("Choose Next Paste" . mouse-menu-choose-yank))
+(define-key menu-bar-edit-menu [paste] '("Paste" . yank))
+(define-key menu-bar-edit-menu [copy] '("Copy" . kill-ring-save))
+(define-key menu-bar-edit-menu [cut] '("Cut" . kill-region))
+(define-key menu-bar-edit-menu [undo] '("Undo" . undo))
+
+(put 'fill-region 'menu-enable 'mark-active)
+(put 'kill-region 'menu-enable 'mark-active)
+(put 'kill-ring-save 'menu-enable 'mark-active)
+(put 'yank 'menu-enable '(x-selection-exists-p))
+(put 'delete-region 'menu-enable 'mark-active)
+(put 'undo 'menu-enable '(if (eq last-command 'undo)
+ pending-undo-list
+ (consp buffer-undo-list)))
+
+(autoload 'ispell-menu-map "ispell" nil t 'keymap)
(define-key menu-bar-help-menu [emacs-tutorial]
'("Emacs Tutorial" . help-with-tutorial))
(> count 1)))
(put 'save-buffer 'menu-enable '(buffer-modified-p))
-(put 'revert-buffer 'menu-enable '(and (buffer-modified-p) (buffer-file-name)))
+(put 'revert-buffer 'menu-enable
+ '(or revert-buffer-function revert-buffer-insert-file-contents-function
+ (and (buffer-file-name)
+ (not (verify-visited-file-modtime (current-buffer))))))
(put 'delete-frame 'menu-enable '(cdr (visible-frame-list)))
(put 'kill-this-buffer 'menu-enable '(kill-this-buffer-enabled-p))
-(put 'x-kill-primary-selection 'menu-enable '(x-selection-owner-p))
-(put 'x-copy-primary-selection 'menu-enable '(x-selection-owner-p))
-(put 'x-yank-clipboard-selection 'menu-enable '(x-selection-owner-p))
-(put 'x-delete-primary-selection 'menu-enable
- '(x-selection-exists-p 'CLIPBOARD))
-
(put 'advertised-undo 'menu-enable
'(and (not (eq t buffer-undo-list))
(if (eq last-command 'undo)
(and (boundp 'pending-undo-list)
pending-undo-list)
buffer-undo-list)))
+
+(defvar yank-menu-length 100
+ "*Maximum length of an item in the menu for \
+\\[mouse-menu-choose-yank].")
+
+(defun mouse-menu-choose-yank (event)
+ "Pop up a menu of the kill-ring for selection with the mouse.
+The kill-ring-yank-pointer is moved to the selected element.
+A subsequent \\[yank] yanks the choice just selected."
+ (interactive "e")
+ (let* ((count 0)
+ (menu (mapcar (lambda (string)
+ (if (> (length string) yank-menu-length)
+ (setq string (substring string
+ 0 yank-menu-length)))
+ (prog1 (cons string count)
+ (setq count (1+ count))))
+ kill-ring))
+ (arg (x-popup-menu event
+ (list "Yank Menu"
+ (cons "Choose Next Yank" menu)))))
+ ;; A mouse click outside the menu returns nil.
+ ;; Avoid a confusing error from passing nil to rotate-yank-pointer.
+ ;; XXX should this perhaps do something other than simply return? -rm
+ (if arg
+ (progn
+ (rotate-yank-pointer arg)
+ (if (interactive-p)
+ (message "The next yank will insert the selected text.")
+ (current-kill 0))))))
+(put 'mouse-menu-choose-yank 'menu-enable 'kill-ring)
\f
-(define-key global-map [menu-bar buffer] '("Buffers" . mouse-buffer-menu))
+(define-key global-map [menu-bar buffer] '("Buffers" . mouse-menu-bar-buffers))
(defvar complex-buffers-menu-p nil
"*Non-nil says, offer a choice of actions after you pick a buffer.
If this is nil, then all buffers are shown.
A large number or nil slows down menu responsiveness.")
-(defun mouse-buffer-menu (event)
+(defun mouse-menu-bar-buffers (event)
"Pop up a menu of buffers for selection with the mouse.
This switches buffers in the window that you clicked on,
and selects that window."
(list "Buffer Menu"
(cons "Select Buffer"
(let ((tail buffers)
+ (maxbuf 0)
(maxlen 0)
head)
+ (while tail
+ (or (eq ?\ (aref (buffer-name (car tail)) 0))
+ (setq maxbuf
+ (max maxbuf
+ (length (buffer-name (car tail))))))
+ (setq tail (cdr tail)))
+ (setq tail buffers)
(while tail
(let ((elt (car tail)))
(if (not (string-match "^ "
(setq head (cons
(cons
(format
- "%14s %s"
+ (format "%%%ds %%s%%s %%s"
+ maxbuf)
(buffer-name elt)
+ (if (buffer-modified-p elt) "*" " ")
+ (save-excursion
+ (set-buffer elt)
+ (if buffer-read-only "%" " "))
(or (buffer-file-name elt) ""))
elt)
head)))
(setq maxlen (length (car (car head))))))
(setq tail (cdr tail)))
(nconc (reverse head)
- (list (cons (concat (make-string (- (/ maxlen 2) 8) ?\ )
+ (list (cons (concat (make-string (max 0 (- (/ maxlen 2) 8)) ?\ )
"List All Buffers")
'list-buffers)))))))
;;; mode-name
;;; (or (buffer-file-name) ""))))))
\f
-(let ((frames (frame-list)))
- (while frames
- (modify-frame-parameters (car frames) '((menu-bar-lines . 1)))
- (setq frames (cdr frames))))
-(or (assq 'menu-bar-lines default-frame-alist)
- (setq default-frame-alist
- (cons '(menu-bar-lines . 1) default-frame-alist)))
+(defvar menu-bar-mode nil)
+
+(defun menu-bar-mode (flag)
+ "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.
+With a numeric argument, if the argument is negative,
+turn off menu bars; otherwise, turn on menu bars."
+ (interactive "P")
+ (setq menu-bar-mode (if (null flag) (not menu-bar-mode)
+ (or (not (numberp flag)) (>= flag 0))))
+ (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))))
+ (let ((frames (frame-list)))
+ (while frames
+ ;; Turn menu bar on or off in existing frames.
+ ;; (Except for minibuffer-only frames.)
+ (or (eq 'only (cdr (assq 'minibuffer (frame-parameters (car frames)))))
+ (modify-frame-parameters
+ (car frames)
+ (list (if menu-bar-mode
+ '(menu-bar-lines . 1)
+ '(menu-bar-lines . 0)))))
+ (setq frames (cdr frames)))))
+
+;; Make frames created from now on have a menu bar.
+(if window-system
+ (menu-bar-mode t))
+
+(provide 'menu-bar)
+
+;;; menu-bar.el ends here