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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 | ;; Keywords: help, extensions, faces, hypermedia | |
8697863a | 7 | ;; Version: 1.9920 |
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8 | ;; X-URL: http://www.dina.kvl.dk/~abraham/custom/ |
9 | ||
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10 | ;; This file is part of GNU Emacs. |
11 | ||
12 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
13 | ;; it under the terms of the GNU General Public License as published by | |
14 | ;; the Free Software Foundation; either version 2, or (at your option) | |
15 | ;; any later version. | |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
24 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
25 | ;; Boston, MA 02111-1307, USA. | |
26 | ||
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27 | ;;; Commentary: |
28 | ;; | |
29 | ;; If you want to use this code, please visit the URL above. | |
30 | ;; | |
31 | ;; This file only contain the code needed to define new widget types. | |
32 | ;; Everything else is autoloaded from `wid-edit.el'. | |
33 | ||
34 | ;;; Code: | |
35 | ||
36 | (eval-when-compile (require 'cl)) | |
37 | ||
38 | (defmacro define-widget-keywords (&rest keys) | |
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39 | ;; Don't use backquote, since that makes trouble trying to |
40 | ;; re-bootstrap from just the .el files. | |
41 | (list 'eval-and-compile | |
42 | (list 'let (list (list 'keywords (list 'quote keys))) | |
43 | (list 'while 'keywords | |
44 | (list 'or (list 'boundp (list 'car 'keywords)) | |
45 | (list 'set (list 'car 'keywords) (list 'car 'keywords))) | |
46 | (list 'setq 'keywords (list 'cdr 'keywords)))))) | |
d543e20b | 47 | |
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48 | (define-widget-keywords :documentation-indent |
49 | :complete-function :complete :button-overlay | |
c32de15e | 50 | :field-overlay |
9097aeb7 | 51 | :documentation-shown :button-prefix |
3acab5ef | 52 | :button-suffix :mouse-down-action :glyph-up :glyph-down :glyph-inactive |
a3c88c59 | 53 | :prompt-internal :prompt-history :prompt-match |
25ac13b5 | 54 | :prompt-value :deactivate :active |
6d528fc5 | 55 | :inactive :activate :sibling-args :delete-button-args |
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56 | :insert-button-args :append-button-args :button-args |
57 | :tag-glyph :off-glyph :on-glyph :valid-regexp | |
3acab5ef | 58 | :secret :sample-face :sample-face-get :case-fold |
d543e20b | 59 | :create :convert-widget :format :value-create :offset :extra-offset |
0a3a0b56 | 60 | :tag :doc :from :to :args :value :action |
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61 | :value-set :value-delete :match :parent :delete :menu-tag-get |
62 | :value-get :choice :void :menu-tag :on :off :on-type :off-type | |
63 | :notify :entry-format :button :children :buttons :insert-before | |
64 | :delete-at :format-handler :widget :value-pos :value-to-internal | |
65 | :indent :size :value-to-external :validate :error :directory | |
66 | :must-match :type-error :value-inline :inline :match-inline :greedy | |
67 | :button-face-get :button-face :value-face :keymap :entry-from | |
c32de15e | 68 | :entry-to :help-echo :documentation-property :tab-order) |
d543e20b | 69 | |
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70 | (defun define-widget (name class doc &rest args) |
71 | "Define a new widget type named NAME from CLASS. | |
72 | ||
73 | NAME and CLASS should both be symbols, CLASS should be one of the | |
74 | existing widget types, or nil to create the widget from scratch. | |
75 | ||
76 | After the new widget has been defined, the following two calls will | |
77 | create identical widgets: | |
78 | ||
79 | * (widget-create NAME) | |
80 | ||
81 | * (apply 'widget-create CLASS ARGS) | |
82 | ||
83 | The third argument DOC is a documentation string for the widget." | |
84 | (put name 'widget-type (cons class args)) | |
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85 | (put name 'widget-documentation doc) |
86 | name) | |
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87 | |
88 | ;;; The End. | |
89 | ||
90 | (provide 'widget) | |
91 | ||
92 | ;; widget.el ends here |