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;;; tool-bar.el --- setting up the tool bar
;;
;; Copyright (C) 2000, 2001, 2002, 2003, 2004,
;; 2005, 2006, 2007 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., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, 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'.
;; The normal global binding for [tool-bar] (below) uses the value of
;; `tool-bar-map' as the actual keymap to define the tool bar. Modes
;; may either bind items under the [tool-bar] prefix key of the local
;; map to add to the global bar or may set `tool-bar-map'
;; buffer-locally to override it. (Some items are removed from the
;; global bar in modes which have `special' as their `mode-class'
;; property.)
;; Todo: Somehow make tool bars easily customizable by the naive?
;;; Code:
;; The autoload cookie doesn't work when preloading.
;; Deleting it means invoking this command won't work
;; when you are on a tty. I hope that won't cause too much trouble -- rms.
(define-minor-mode tool-bar-mode
"Toggle use of the tool bar.
With numeric 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."
:init-value nil
:global t
:group 'mouse
:group 'frames
(and (display-images-p)
(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)
(= 1 (length (default-value 'tool-bar-map)))) ; not yet setup
(tool-bar-setup))))
;;;###autoload
;; We want to pretend the toolbar by standard is on, as this will make
;; customize consider disabling the toolbar a customization, and save
;; that. We could do this for real by setting :init-value above, but
;; that would turn on the toolbar in MS Windows where it is currently
;; useless, and it would overwrite disabling the tool bar from X
;; resources. If anyone want to implement this in a cleaner way,
;; please do so.
;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-21.
(put 'tool-bar-mode 'standard-value '(t))
(defvar tool-bar-map (make-sparse-keymap)
"Keymap for the tool bar.
Define this locally to override the global tool bar.")
(global-set-key [tool-bar]
'(menu-item "tool bar" ignore
:filter (lambda (ignore) tool-bar-map)))
;;;###autoload
(defun tool-bar-add-item (icon def key &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. 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 containing the image to use. The
function will first try to use low-color/ICON.xpm if display-color-cells
is less or equal to 256, then ICON.xpm, then ICON.pbm, and finally
ICON.xbm, using `find-image'.
Use this function only to make bindings in the global value of `tool-bar-map'.
To define items in any other map, use `tool-bar-local-item'."
(apply 'tool-bar-local-item icon def key tool-bar-map props))
;;;###autoload
(defun tool-bar-local-item (icon def key map &rest props)
"Add an item to the tool bar in map MAP.
ICON names the image, DEF is the key definition and KEY is a symbol
for the fake function key in the menu keymap. 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 containing the image to use. The
function will first try to use low-color/ICON.xpm if display-color-cells
is less or equal to 256, then ICON.xpm, then ICON.pbm, and finally
ICON.xbm, using `find-image'."
(let* ((fg (face-attribute 'tool-bar :foreground))
(bg (face-attribute 'tool-bar :background))
(colors (nconc (if (eq fg 'unspecified) nil (list :foreground fg))
(if (eq bg 'unspecified) nil (list :background bg))))
(xpm-spec (list :type 'xpm :file (concat icon ".xpm")))
(xpm-lo-spec (if (> (display-color-cells) 256)
nil
(list :type 'xpm :file
(concat "low-color/" icon ".xpm"))))
(pbm-spec (append (list :type 'pbm :file
(concat icon ".pbm")) colors))
(xbm-spec (append (list :type 'xbm :file
(concat icon ".xbm")) colors))
(image (find-image
(if (display-color-p)
(list xpm-lo-spec xpm-spec pbm-spec xbm-spec)
(list pbm-spec xbm-spec xpm-lo-spec xpm-spec)))))
(when (and (display-images-p) image)
(unless (image-mask-p image)
(setq image (append image '(:mask heuristic))))
(define-key-after map (vector key)
`(menu-item ,(symbol-name key) ,def :image ,image ,@props)))))
;;;###autoload
(defun tool-bar-add-item-from-menu (command icon &optional map &rest props)
"Define tool bar binding for COMMAND in keymap MAP using the given ICON.
This makes a binding for COMMAND in `tool-bar-map', copying its
binding from the menu bar in MAP (which defaults to `global-map'), but
modifies the binding by adding an image specification for ICON. It
finds ICON just like `tool-bar-add-item'. PROPS are additional
properties to add to the binding.
MAP must contain appropriate binding for `[menu-bar]' which holds a keymap.
Use this function only to make bindings in the global value of `tool-bar-map'.
To define items in any other map, use `tool-bar-local-item-from-menu'."
(apply 'tool-bar-local-item-from-menu command icon
(default-value 'tool-bar-map) map props))
;;;###autoload
(defun tool-bar-local-item-from-menu (command icon in-map &optional from-map &rest props)
"Define local tool bar binding for COMMAND using the given ICON.
This makes a binding for COMMAND in IN-MAP, copying its binding from
the menu bar in FROM-MAP (which defaults to `global-map'), but
modifies the binding by adding an image specification for ICON. It
finds ICON just like `tool-bar-add-item'. PROPS are additional
properties to add to the binding.
FROM-MAP must contain appropriate binding for `[menu-bar]' which
holds a keymap."
(unless from-map
(setq from-map global-map))
(let* ((menu-bar-map (lookup-key from-map [menu-bar]))
(keys (where-is-internal command menu-bar-map))
(fg (face-attribute 'tool-bar :foreground))
(bg (face-attribute 'tool-bar :background))
(colors (nconc (if (eq fg 'unspecified) nil (list :foreground fg))
(if (eq bg 'unspecified) nil (list :background bg))))
(xpm-spec (list :type 'xpm :file (concat icon ".xpm")))
(xpm-lo-spec (if (> (display-color-cells) 256)
nil
(list :type 'xpm :file
(concat "low-color/" icon ".xpm"))))
(pbm-spec (append (list :type 'pbm :file
(concat icon ".pbm")) colors))
(xbm-spec (append (list :type 'xbm :file
(concat icon ".xbm")) colors))
(spec (if (display-color-p)
(list xpm-lo-spec xpm-spec pbm-spec xbm-spec)
(list pbm-spec xbm-spec xpm-lo-spec xpm-spec)))
(image (find-image spec))
submap key)
(when (and (display-images-p) 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))))
(let ((defn (assq key (cdr submap))))
(if (eq (cadr defn) 'menu-item)
(define-key-after in-map (vector key)
(append (cdr defn) (list :image image) props))
(setq defn (cdr defn))
(define-key-after in-map (vector key)
(let ((rest (cdr defn)))
;; If the rest of the definition starts
;; with a list of menu cache info, get rid of that.
(if (and (consp rest) (consp (car rest)))
(setq rest (cdr rest)))
(append `(menu-item ,(car defn) ,rest)
(list :image image) props))))))))
;;; Set up some global items. Additions/deletions up for grabs.
(defun tool-bar-setup ()
;; People say it's bad to have EXIT on the tool bar, since users
;; might inadvertently click that button.
;;(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 'menu-find-file-existing "open")
(tool-bar-add-item-from-menu 'dired "diropen")
(tool-bar-add-item-from-menu 'kill-this-buffer "close")
(tool-bar-add-item-from-menu 'save-buffer "save" nil
:visible '(or buffer-file-name
(not (eq 'special
(get major-mode
'mode-class)))))
(tool-bar-add-item-from-menu 'write-file "saveas" nil
:visible '(or buffer-file-name
(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 (lookup-key menu-bar-edit-menu [cut])
"cut" nil
:visible '(not (eq 'special (get major-mode
'mode-class))))
(tool-bar-add-item-from-menu (lookup-key menu-bar-edit-menu [copy])
"copy")
(tool-bar-add-item-from-menu (lookup-key menu-bar-edit-menu [paste])
"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-from-menu itself operates on
;; (default-value 'tool-bar-map), but when we don't use that function,
;; we must explicitly operate on the default value.
(let ((tool-bar-map (default-value 'tool-bar-map)))
(tool-bar-add-item "preferences" 'customize 'customize
:help "Edit preferences (customize)")
(tool-bar-add-item "help" (lambda ()
(interactive)
(popup-menu menu-bar-help-menu))
'help
:help "Pop up the Help menu"))
)
(provide 'tool-bar)
;;; arch-tag: 15f30f0a-d0d7-4d50-bbb7-f48fd0c8582f
;;; tool-bar.el ends here
|
