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270 lines
11 KiB
EmacsLisp
270 lines
11 KiB
EmacsLisp
;;; tool-bar.el --- setting up the tool bar
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;;
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;; Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
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;;
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;; Author: Dave Love <fx@gnu.org>
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;; Keywords: mouse frames
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; Provides `tool-bar-mode' to control display of the tool-bar and
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;; bindings for the global tool bar with convenience functions
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;; `tool-bar-add-item' and `tool-bar-add-item-from-menu'.
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;; The normal global binding for [tool-bar] (below) uses the value of
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;; `tool-bar-map' as the actual keymap to define the tool bar. Modes
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;; may either bind items under the [tool-bar] prefix key of the local
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;; map to add to the global bar or may set `tool-bar-map'
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;; buffer-locally to override it. (Some items are removed from the
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;; global bar in modes which have `special' as their `mode-class'
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;; property.)
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;; Todo: Somehow make tool bars easily customizable by the naive?
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;;; Code:
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;;;###autoload
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(define-minor-mode tool-bar-mode
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"Toggle use of the tool bar.
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With numeric ARG, display the tool bar if and only if ARG is positive.
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See `tool-bar-add-item' and `tool-bar-add-item-from-menu' for
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conveniently adding tool bar items."
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:init-value nil
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:global t
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:group 'mouse
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:group 'frames
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(and (display-images-p)
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(let ((lines (if tool-bar-mode 1 0)))
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;; Alter existing frames...
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(mapc (lambda (frame)
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(modify-frame-parameters frame
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(list (cons 'tool-bar-lines lines))))
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(frame-list))
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;; ...and future ones.
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(let ((elt (assq 'tool-bar-lines default-frame-alist)))
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(if elt
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(setcdr elt lines)
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(add-to-list 'default-frame-alist (cons 'tool-bar-lines lines)))))
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(if (and tool-bar-mode
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(display-graphic-p)
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(= 1 (length (default-value 'tool-bar-map)))) ; not yet setup
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(tool-bar-setup))))
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;;;###autoload
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;; We want to pretend the toolbar by standard is on, as this will make
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;; customize consider disabling the toolbar a customization, and save
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;; that. We could do this for real by setting :init-value above, but
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;; that would turn on the toolbar in MS Windows where it is currently
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;; useless, and it would overwrite disabling the tool bar from X
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;; resources. If anyone want to implement this in a cleaner way,
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;; please do so.
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;; -- Per Abrahamsen <abraham@dina.kvl.dk> 2002-02-21.
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(put 'tool-bar-mode 'standard-value '(t))
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(defvar tool-bar-map (make-sparse-keymap)
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"Keymap for the tool bar.
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Define this locally to override the global tool bar.")
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(global-set-key [tool-bar]
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'(menu-item "tool bar" ignore
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:filter (lambda (ignore) tool-bar-map)))
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;;;###autoload
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(defun tool-bar-add-item (icon def key &rest props)
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"Add an item to the tool bar.
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ICON names the image, DEF is the key definition and KEY is a symbol
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for the fake function key in the menu keymap. Remaining arguments
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PROPS are additional items to add to the menu item specification. See
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Info node `(elisp)Tool Bar'. Items are added from left to right.
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ICON is the base name of a file containing the image to use. The
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function will first try to use ICON.xpm, then ICON.pbm, and finally
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ICON.xbm, using `find-image'.
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Use this function only to make bindings in the global value of `tool-bar-map'.
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To define items in any other map, use `tool-bar-local-item'."
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(apply 'tool-bar-local-item icon def key tool-bar-map props))
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;;;###autoload
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(defun tool-bar-local-item (icon def key map &rest props)
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"Add an item to the tool bar in map MAP.
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ICON names the image, DEF is the key definition and KEY is a symbol
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for the fake function key in the menu keymap. Remaining arguments
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PROPS are additional items to add to the menu item specification. See
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Info node `(elisp)Tool Bar'. Items are added from left to right.
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ICON is the base name of a file containing the image to use. The
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function will first try to use ICON.xpm, then ICON.pbm, and finally
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ICON.xbm, using `find-image'."
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(let* ((fg (face-attribute 'tool-bar :foreground))
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(bg (face-attribute 'tool-bar :background))
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(colors (nconc (if (eq fg 'unspecified) nil (list :foreground fg))
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(if (eq bg 'unspecified) nil (list :background bg))))
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(image (find-image
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(if (display-color-p)
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(list (list :type 'xpm :file (concat icon ".xpm"))
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(append (list :type 'pbm :file (concat icon ".pbm"))
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colors)
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(append (list :type 'xbm :file (concat icon ".xbm"))
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colors))
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(list (append (list :type 'pbm :file (concat icon ".pbm"))
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colors)
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(append (list :type 'xbm :file (concat icon ".xbm"))
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colors)
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(list :type 'xpm :file (concat icon ".xpm")))))))
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(when (and (display-images-p) image)
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(unless (image-mask-p image)
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(setq image (append image '(:mask heuristic))))
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(define-key-after map (vector key)
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`(menu-item ,(symbol-name key) ,def :image ,image ,@props)))))
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;;;###autoload
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(defun tool-bar-add-item-from-menu (command icon &optional map &rest props)
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"Define tool bar binding for COMMAND using the given ICON in keymap MAP.
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This makes a binding for COMMAND in `tool-bar-map', copying its
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binding from the menu bar in MAP (which defaults to `global-map'), but
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modifies the binding by adding an image specification for ICON. It
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finds ICON just like `tool-bar-add-item'. PROPS are additional
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properties to add to the binding.
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MAP must contain appropriate binding for `[menu-bar]' which holds a keymap.
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Use this function only to make bindings in the global value of `tool-bar-map'.
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To define items in any other map, use `tool-bar-local-item'."
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(apply 'tool-bar-local-item-from-menu command icon
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(default-value 'tool-bar-map) map props))
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;;;###autoload
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(defun tool-bar-local-item-from-menu (command icon in-map &optional from-map &rest props)
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"Define tool bar binding for COMMAND using the given ICON in keymap MAP.
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This makes a binding for COMMAND in IN-MAP, copying its binding from
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the menu bar in FROM-MAP (which defaults to `global-map'), but
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modifies the binding by adding an image specification for ICON. It
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finds ICON just like `tool-bar-add-item'. PROPS are additional
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properties to add to the binding.
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MAP must contain appropriate binding for `[menu-bar]' which holds a keymap."
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(unless from-map
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(setq from-map global-map))
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(let* ((menu-bar-map (lookup-key from-map [menu-bar]))
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(keys (where-is-internal command menu-bar-map))
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(fg (face-attribute 'tool-bar :foreground))
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(bg (face-attribute 'tool-bar :background))
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(colors (nconc (if (eq fg 'unspecified) nil (list :foreground fg))
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(if (eq bg 'unspecified) nil (list :background bg))))
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(spec (if (display-color-p)
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(list (list :type 'xpm :file (concat icon ".xpm"))
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(append (list :type 'pbm :file (concat icon ".pbm"))
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colors)
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(append (list :type 'xbm :file (concat icon ".xbm"))
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colors))
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(list (append (list :type 'pbm :file (concat icon ".pbm"))
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colors)
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(append (list :type 'xbm :file (concat icon ".xbm"))
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colors)
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(list :type 'xpm :file (concat icon ".xpm")))))
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(image (find-image spec))
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submap key)
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(when (and (display-images-p) image)
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;; We'll pick up the last valid entry in the list of keys if
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;; there's more than one.
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(dolist (k keys)
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;; We're looking for a binding of the command in a submap of
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;; the menu bar map, so the key sequence must be two or more
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;; long.
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(if (and (vectorp k)
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(> (length k) 1))
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(let ((m (lookup-key menu-bar-map (substring k 0 -1)))
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;; Last element in the bound key sequence:
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(kk (aref k (1- (length k)))))
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(if (and (keymapp m)
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(symbolp kk))
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(setq submap m
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key kk)))))
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(when (and (symbolp submap) (boundp submap))
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(setq submap (eval submap)))
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(unless (image-mask-p image)
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(setq image (append image '(:mask heuristic))))
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(let ((defn (assq key (cdr submap))))
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(if (eq (cadr defn) 'menu-item)
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(define-key-after in-map (vector key)
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(append (cdr defn) (list :image image) props))
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(setq defn (cdr defn))
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(define-key-after in-map (vector key)
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(let ((rest (cdr defn)))
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;; If the rest of the definition starts
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;; with a list of menu cache info, get rid of that.
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(if (and (consp rest) (consp (car rest)))
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(setq rest (cdr rest)))
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(append `(menu-item ,(car defn) ,rest)
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(list :image image) props))))))))
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;;; Set up some global items. Additions/deletions up for grabs.
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(defun tool-bar-setup ()
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;; People say it's bad to have EXIT on the tool bar, since users
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;; might inadvertently click that button.
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;;(tool-bar-add-item-from-menu 'save-buffers-kill-emacs "exit")
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(tool-bar-add-item-from-menu 'find-file "new")
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(tool-bar-add-item-from-menu 'dired "open")
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(tool-bar-add-item-from-menu 'kill-this-buffer "close")
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(tool-bar-add-item-from-menu 'save-buffer "save" nil
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:visible '(or buffer-file-name
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(not (eq 'special
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(get major-mode
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'mode-class)))))
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(tool-bar-add-item-from-menu 'write-file "saveas" nil
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:visible '(or buffer-file-name
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(not (eq 'special
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(get major-mode
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'mode-class)))))
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(tool-bar-add-item-from-menu 'undo "undo" nil
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:visible '(not (eq 'special (get major-mode
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'mode-class))))
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(tool-bar-add-item-from-menu 'kill-region "cut" nil
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:visible '(not (eq 'special (get major-mode
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'mode-class))))
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(tool-bar-add-item-from-menu 'menu-bar-kill-ring-save "copy")
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(tool-bar-add-item-from-menu 'yank "paste" nil
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:visible '(not (eq 'special (get major-mode
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'mode-class))))
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(tool-bar-add-item-from-menu 'nonincremental-search-forward "search")
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;;(tool-bar-add-item-from-menu 'ispell-buffer "spell")
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;; There's no icon appropriate for News and we need a command rather
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;; than a lambda for Read Mail.
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;;(tool-bar-add-item-from-menu 'compose-mail "mail_compose")
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(tool-bar-add-item-from-menu 'print-buffer "print")
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(tool-bar-add-item "preferences" 'customize 'customize
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:help "Edit preferences (customize)")
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(tool-bar-add-item "help" (lambda ()
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(interactive)
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(popup-menu menu-bar-help-menu))
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'help
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:help "Pop up the Help menu")
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)
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(provide 'tool-bar)
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;;; tool-bar.el ends here
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