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comparison lisp/widget.el @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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427:0a0253eac470 428:3ecd8885ac67
1 ;;; widget.el --- a library of user interface components.
2
3 ;; Copyright (C) 1996, 1997 Free Software Foundation, Inc.
4
5 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
6 ;; Maintainer: Hrvoje Niksic <hniksic@xemacs.org>
7 ;; Keywords: help, extensions, faces, hypermedia, dumped
8 ;; Version: 1.9960-x
9 ;; X-URL: http://www.dina.kvl.dk/~abraham/custom/
10
11 ;; This file is part of XEmacs.
12
13 ;; XEmacs 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.
17
18 ;; XEmacs 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.
22
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with XEmacs; 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
28 ;;; Commentary:
29
30 ;; This file is dumped with XEmacs.
31
32 ;; If you want to use this code, please visit the URL above.
33
34 ;; This file only contain the code needed to define new widget types.
35 ;; Everything else is autoloaded from `wid-edit.el'.
36
37 ;;; Code:
38
39 ;; Neither XEmacs, nor latest GNU Emacs need this -- provided for
40 ;; compatibility.
41 ;; (defalias 'define-widget-keywords 'ignore)
42
43 (defmacro define-widget-keywords (&rest keys)
44 "This doesn't do anything in Emacs 20 or XEmacs."
45 `(eval-and-compile
46 (let ((keywords (quote ,keys)))
47 (while keywords
48 (or (boundp (car keywords))
49 (set (car keywords) (car keywords)))
50 (setq keywords (cdr keywords))))))
51
52 (defun define-widget (name class doc &rest args)
53 "Define a new widget type named NAME from CLASS.
54
55 NAME and CLASS should both be symbols, CLASS should be one of the
56 existing widget types, or nil to create the widget from scratch.
57
58 After the new widget has been defined, the following two calls will
59 create identical widgets:
60
61 * (widget-create NAME)
62
63 * (apply 'widget-create CLASS ARGS)
64
65 The third argument DOC is a documentation string for the widget."
66 (check-argument-type 'symbolp name)
67 (check-argument-type 'symbolp class)
68 (put name 'widget-type (cons class args))
69 (put name 'widget-documentation doc)
70 name)
71
72 ;;; The End.
73
74 (provide 'widget)
75
76 ;;; widget.el ends here