diff lisp/widget.el @ 209:41ff10fd062f r20-4b3

Import from CVS: tag r20-4b3
author cvs
date Mon, 13 Aug 2007 10:04:58 +0200
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children 0e522484dd2a
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/widget.el	Mon Aug 13 10:04:58 2007 +0200
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+;;; widget.el --- a library of user interface components.
+
+;; Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+
+;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
+;; Maintainer: Hrvoje Niksic <hniksic@srce.hr>
+;; Keywords: help, extensions, faces, hypermedia, dumped
+;; Version: 1.9960-x
+;; X-URL: http://www.dina.kvl.dk/~abraham/custom/
+
+;; This file is part of XEmacs.
+
+;; XEmacs 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.
+
+;; XEmacs 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 XEmacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
+
+;; This file is dumped with XEmacs.
+
+;; If you want to use this code, please visit the URL above.
+
+;; This file only contain the code needed to define new widget types.
+;; Everything else is autoloaded from `wid-edit.el'.
+
+;;; Code:
+
+;; Neither XEmacs, nor latest GNU Emacs need this -- provided for
+;; compatibility.
+;; (defalias 'define-widget-keywords 'ignore)
+
+(defmacro define-widget-keywords (&rest keys)
+  "This doesn't do anything in Emacs 20 or XEmacs."
+  (`
+   (eval-and-compile
+    (let ((keywords (quote (, keys))))
+      (while keywords
+	(or (boundp (car keywords))
+           (set (car keywords) (car keywords)))
+       (setq keywords (cdr keywords)))))))
+
+(defun define-widget (name class doc &rest args)
+  "Define a new widget type named NAME from CLASS.
+
+NAME and CLASS should both be symbols, CLASS should be one of the
+existing widget types, or nil to create the widget from scratch.
+
+After the new widget has been defined, the following two calls will
+create identical widgets:
+
+* (widget-create NAME)
+
+* (apply 'widget-create CLASS ARGS)
+
+The third argument DOC is a documentation string for the widget."
+  (put name 'widget-type (cons class args))
+  (put name 'widget-documentation doc)
+  name)
+
+;;; The End.
+
+(provide 'widget)
+
+;;; widget.el ends here