1 ;;; w3-xemac.el --- XEmacs specific functions for emacs-w3
2 ;; Author: $Author: legoscia $
3 ;; Created: $Date: 2006/10/17 20:24:48 $
4 ;; Version: $Revision: 1.3 $
5 ;; Keywords: faces, help, mouse, hypermedia
7 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
8 ;;; Copyright (c) 1993 - 1996 by William M. Perry <wmperry@cs.indiana.edu>
9 ;;; Copyright (c) 1996 - 1999 Free Software Foundation, Inc.
11 ;;; This file is part of GNU Emacs.
13 ;;; GNU Emacs is free software; you can redistribute it and/or modify
14 ;;; it under the terms of the GNU General Public License as published by
15 ;;; the Free Software Foundation; either version 2, or (at your option)
16 ;;; any later version.
18 ;;; GNU Emacs is distributed in the hope that it will be useful,
19 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ;;; GNU General Public License for more details.
23 ;;; You should have received a copy of the GNU General Public License
24 ;;; along with GNU Emacs; see the file COPYING. If not, write to the
25 ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
26 ;;; Boston, MA 02111-1307, USA.
27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
35 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
36 ;;; Enhancements For XEmacs
37 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
38 (defun w3-mouse-handler (e)
39 "Function to message the url under the mouse cursor"
41 (if (equal (current-buffer) (event-buffer e))
42 (let* ((pt (event-point e))
43 (good (eq (event-window e) (selected-window)))
45 (if (not (and good pt (number-or-marker-p pt)))
47 (if (and inhibit-help-echo w3-track-mouse)
48 (widget-echo-help pt))))))
50 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
51 ;;; Functions to build menus of urls
52 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
53 (defun w3-setup-version-specifics ()
54 "Set up routine for XEmacs 19.12 or later"
55 ;; Create the toolbar buttons
56 (and (featurep 'toolbar)
57 (w3-toolbar-make-buttons))
59 ;; Register the default set of image conversion utilities
60 (image-register-netpbm-utilities)
62 ;; Add our menus, but make sure that we do it to the global menubar
63 ;; not the current one, which could be anything, but usually GNUS or
64 ;; VM if not the default.
66 ;; InfoDock handles all of this for us, so we don't need to worry about
68 (if (and (featurep 'menubar) (not (featurep 'infodock)))
69 (let ((current-menubar (default-value 'current-menubar)))
71 (add-submenu '("Help") (cons "WWW" (cdr w3-menu-help-menu))))))
73 ;; FIXME FIXME: Do sexy things to the default modeline for Emacs-W3
75 ;; The following is a workaround for XEmacs 19.14 and XEmacs 20.0
76 ;; The text property implementation is badly broken - you could not have
77 ;; a text property with a `nil' value. Bad bad bad.
78 (if (or (and (= emacs-major-version 20)
79 (= emacs-minor-version 0))
80 (and (= emacs-major-version 19)
81 (= emacs-minor-version 14)))
82 (defun text-prop-extent-paste-function (ext from to)
83 (let ((prop (extent-property ext 'text-prop nil))
86 (error "Internal error: no text-prop"))
87 (setq val (extent-property ext prop nil))
88 (put-text-property from to prop val nil)
93 (defun w3-mode-motion-hook (e)
94 (let* ((glyph (event-glyph e))
95 (x (and glyph (event-glyph-x-pixel e)))
96 (y (and glyph (event-glyph-y-pixel e)))
97 (widget (and glyph (glyph-property glyph 'widget)))
98 (usemap (and widget (w3-image-widget-usemap widget)))
99 (ismap (and widget (widget-get widget 'ismap)))
100 (echo (and widget (widget-get widget 'href))))
103 (setq echo (w3-point-in-map (vector x y) usemap t)))
105 (setq echo (format "%s?%d,%d" echo x y)))
108 (and echo (message "%s" echo))))
110 (defun w3-mode-version-specifics ()
111 "XEmacs specific stuff for w3-mode"
112 (if (featurep 'mouse)
114 (if (not w3-track-mouse)
115 (setq inhibit-help-echo nil))
116 (setq mode-motion-hook 'w3-mouse-handler)))
118 ((tty stream) ; TTY or batch
121 (w3-add-toolbar-to-buffer)))
122 (setq mode-popup-menu w3-popup-menu))
124 ;; Some old versions of XEmacs have a dumped version of the widget and
125 ;; custom libraries that are too old for us to use, so we have to reload
127 (if (or (string-match "19\\.1[3456]" emacs-version)
128 (string-match "20\\.[0123]" emacs-version))
129 (mapc 'load '("wid-edit" "widget" "custom" "cus-edit" "cus-face"
130 "cus-start" "cus-load")))
132 (if (string-match "19\\.13" emacs-version)
133 ;; This is all from Vladimir Alexiev <vladimir@cs.ualberta.ca>
136 (declare (special widget-use-overlay-change))
137 (defadvice add-text-properties (before face-list activate)
138 "Allow a list of faces (ignore all but first one)."
139 (let ((faces (plist-get props 'face)))
141 (plist-put props 'face (car faces)))))
143 (defadvice set-extent-property (before face-list activate)
144 "Allow a list of faces (ignore all but first one)."
145 (if (and (eq property 'face) (listp value))
146 (setq value (car value))))
148 (defadvice insert-char (before inherit-ignore
149 (char &optional count inherit buffer)
151 "Accept and ignore a third arg INHERIT."
152 (or (bufferp inherit) (setq inherit buffer)))
155 (defun font-height (font) 1)
156 (defun font-width (font) 1) ; works for tty
157 (defalias 'get-char-property 'get-text-property)
158 (defalias 'extent-object 'extent-buffer)
159 (defvar shell-command-switch "-c") ; for mm
162 (defun extent-list (&optional buffer from to)
163 "Return a list of all extents in BUFFER between FROM and TO
164 \(see mapcar-extents\)."
165 (mapcar-extents 'identity nil buffer from to))
168 (setq widget-use-overlay-change nil) ; slower, but works
170 (defadvice add-hook (before ignore
171 (hook function &optional append ignore)
173 "Accept and ignore a fourth argument.")
175 (defadvice remove-hook (before ignore
176 (hook function &optional ignore) activate)
177 "Accept and ignore a third argument.")
179 (defun valid-image-instantiator-format-p (format)
180 (valid-instantiator-p
181 (vector format :file (concat "foo." (symbol-name format)))
184 (defadvice make-sparse-keymap (before ignore (&optional name) activate)
185 "Accept and ignore an optional arg NAME.")
188 (require 'w3-toolbar)