Renamed from toolbar.el. Change `toolbar'

to `tool-bar' generally in symbols.  Make some items invisible in
`special' major modes.
(tool-bar-add-item-from-menu): Renamed from
toolbar-like-menu-item.  Add arg PROPS.

1 files changed, 162 insertions, 0 deletions

diff --git a/lisp/toolbar/tool-bar.el b/lisp/toolbar/tool-bar.el
new file mode 100644
index 00000000000..0aeb944874c
--- /dev/null
+++ b/lisp/toolbar/tool-bar.el
@@ -0,0 +1,162 @@
+;;; 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))))))
+
+(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)))
+      (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.
+
+(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)
+                     (let ((p (mouse-position)))
+                       (x-popup-menu (list (list (cadr p) (cddr p)) (car p))
+                                     menu-bar-help-menu)))
+                   'help nil :help "Pop up the Help menu")
+
+(provide 'tool-bar)
+
+;;; tool-bar.el ends here