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|
;;; tool-bar.el --- Setting up the tool bar
;;
;; Copyright (C) 2000 Free Software Foundation, Inc.
;;
;; Author: Dave Love <fx@gnu.org>
;; Keywords: mouse frames
;; 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, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Provides `tool-bar-mode' to control display of the tool -bar and
;; bindings for the global tool bar with convenience functions
;; `tool-bar-add-item' and `tool-bar-add-item-from-menu'.
;;; Code:
;;;###autoload
(define-minor-mode tool-bar-mode
"Toggle use of the tool bar.
With ARG, display the tool bar if and only if ARG is positive.
See `tool-bar-add-item' and `tool-bar-add-item-from-menu' for
conveniently adding tool bar items."
nil nil nil
:global t
:group 'mouse
:group 'frames
(let ((lines (if tool-bar-mode 1 0)))
;; Alter existing frames...
(mapc (lambda (frame)
(modify-frame-parameters frame
(list (cons 'tool-bar-lines lines))))
(frame-list))
;; ...and future ones.
(let ((elt (assq 'tool-bar-lines default-frame-alist)))
(if elt
(setcdr elt lines)
(add-to-list 'default-frame-alist (cons 'tool-bar-lines lines)))))
(if (and tool-bar-mode (display-graphic-p))
(tool-bar-setup)))
(defvar tool-bar-global-map (let ((map (make-sparse-keymap)))
(global-set-key [tool-bar] map))
"Keymap for the tool bar in the global map.")
;;;###autoload
(defun tool-bar-add-item (icon def key &optional map &rest props)
"Add an item to the tool bar.
ICON names the image, DEF is the key definition and KEY is a symbol
for the fake function key in the menu keymap. MAP is the tool bar
keymap in which to define the item; it defaults to
`tool-bar-global-map'. Remaining arguments PROPS are additional items
to add to the menu item specification. See Info node `(elisp)Tool
Bar'. Items are added from left to right.
ICON is the base name of a file cnntaining the image to use. The
function will try to use first ICON.xpm, then ICON.xbm using
`find-image'. If PROPS contains `:enable', a `disabled' version of
the icon is generated automatically using the Laplace algorithm (see
Info node `(elisp)Image Descriptors')."
(let ((image (find-image `((:type xbm :file ,(concat icon ".xbm"))
(:type xpm :file ,(concat icon ".xpm"))))))
(when image
(unless (image-mask-p image)
(setq image (append image '(:mask heuristic))))
(define-key-after (or map tool-bar-global-map) (vector key)
`(menu-item ,(symbol-name key) ,def :image ,image ,@props)))))
(defun tool-bar-add-item-from-menu (command icon &optional map &rest props)
"Define tool bar binding for COMMAND using the given ICON in keymap MAP.
The binding of COMMAND is looked up in the menu bar in MAP (default
`global-map') and modified to add an image specification for ICON, which
is looked for as by `tool-bar-add-item'.
MAP must contain appropriate keymaps bound to `[menu-bar]' and
`[tool-bar]'.
PROPS is a list of additional properties to add to the binding."
(unless map
(setq map global-map))
(let* ((menu-bar-map (lookup-key map [menu-bar]))
(keys (where-is-internal command menu-bar-map))
(tb-map (key-binding [tool-bar] map))
(image (find-image `((:type xpm :file ,(concat icon ".xpm"))
(:type xbm :file ,(concat icon ".xbm")))))
submap key)
(when image
;; We'll pick up the last valid entry in the list of keys if
;; there's more than one.
(dolist (k keys)
;; We're looking for a binding of the command in a submap of
;; the menu bar map, so the key sequence must be two or more
;; long.
(if (and (vectorp k)
(> (length k) 1))
(let ((m (lookup-key menu-bar-map (substring k 0 -1)))
;; Last element in the bound key sequence:
(kk (aref k (1- (length k)))))
(if (and (keymapp m)
(symbolp kk))
(setq submap m
key kk)))))
(when (and (symbolp submap) (boundp submap))
(setq submap (eval submap)))
(unless (image-mask-p image)
(setq image (append image '(:mask heuristic))))
(define-key-after tb-map (vector key)
(append (cdr (assq key (cdr submap))) (list :image image) props)))))
;;; Set up some global items. Additions/deletions up for grabs.
(defun tool-bar-setup ()
(tool-bar-add-item-from-menu 'save-buffers-kill-emacs "exit")
(tool-bar-add-item-from-menu 'find-file "new")
(tool-bar-add-item-from-menu 'dired "open")
(tool-bar-add-item-from-menu 'kill-this-buffer "close")
(tool-bar-add-item-from-menu 'save-buffer "save" nil
:visible '(not (eq 'special (get major-mode
'mode-class))))
(tool-bar-add-item-from-menu 'write-file "saveas" nil
:visible '(not (eq 'special (get major-mode
'mode-class))))
(tool-bar-add-item-from-menu 'undo "undo" nil
:visible '(not (eq 'special (get major-mode
'mode-class))))
(tool-bar-add-item-from-menu 'kill-region "cut" nil
:visible '(not (eq 'special (get major-mode
'mode-class))))
(tool-bar-add-item-from-menu 'menu-bar-kill-ring-save "copy")
(tool-bar-add-item-from-menu 'yank "paste" nil
:visible '(not (eq 'special (get major-mode
'mode-class))))
(tool-bar-add-item-from-menu 'nonincremental-search-forward "search")
;;(tool-bar-add-item-from-menu 'ispell-buffer "spell")
;; There's no icon appropriate for News and we need a command rather
;; than a lambda for Read Mail.
;;(tool-bar-add-item-from-menu 'compose-mail "mail_compose")
(tool-bar-add-item-from-menu 'print-buffer "print")
(tool-bar-add-item "preferences" 'customize 'customize nil
:help "Edit preferences (customize)")
(tool-bar-add-item "help"
(lambda ()
(interactive)
(popup-menu menu-bar-help-menu))
'help nil :help "Pop up the Help menu")
)
(provide 'tool-bar)
;;; tool-bar.el ends here
|
