Mercurial > hg > xemacs-beta
comparison lisp/w3/widget.el @ 70:131b0175ea99 r20-0b30
Import from CVS: tag r20-0b30
| author | cvs |
|---|---|
| date | Mon, 13 Aug 2007 09:02:59 +0200 |
| parents | 376386a54a3c |
| children | 9ee227acff29 |
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| 69:804d1389bcd6 | 70:131b0175ea99 |
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| 1 ;;; widget.el --- a library of user interface components. | |
| 2 ;; | |
| 3 ;; Copyright (C) 1996 Free Software Foundation, Inc. | |
| 4 ;; | |
| 5 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk> | |
| 6 ;; Keywords: help, extensions, faces, hypermedia | |
| 7 ;; Version: 0.4 | |
| 8 | |
| 9 ;;; Commentary: | |
| 10 ;; | |
| 11 ;; The documentation for the unbundled version of this library is | |
| 12 ;; available in `custom.texi'. | |
| 13 ;; | |
| 14 ;; This file only contain the code needed to define new widget types. | |
| 15 ;; Everything else is autoloaded from `widget-edit.el'. | |
| 16 | |
| 17 ;;; Code: | |
| 18 | |
| 19 (eval-when-compile (require 'cl)) | |
| 20 | |
| 21 (let ((keywords | |
| 22 '(:create :convert-widget :format :value-create :tag :doc :from :to | |
| 23 :args :value :value-from :value-to :action :value-set | |
| 24 :value-delete :match :parent :delete :menu-tag-get | |
| 25 :value-get :choice :void :menu-tag :on :off :on-type | |
| 26 :off-type :notify :entry-format :button :children | |
| 27 :buttons :insert-before :delete-at :format-handler | |
| 28 :widget :value-pos :value-to-internal :indent | |
| 29 :help-echo | |
| 30 :value-to-external :validate :error :directory :must-match | |
| 31 :initial :type-error :value-inline :inline :match-inline | |
| 32 :greedy :button-face :value-face :keymap :size))) | |
| 33 (while keywords | |
| 34 (or (boundp (car keywords)) | |
| 35 (set (car keywords) (car keywords))) | |
| 36 (setq keywords (cdr keywords)))) | |
| 37 | |
| 38 (defun define-widget (name class doc &rest args) | |
| 39 "Define a new widget type named NAME from CLASS. | |
| 40 | |
| 41 NAME and CLASS should both be symbols, CLASS should be one of the | |
| 42 existing widget types, or nil to create the widget from scratch. | |
| 43 | |
| 44 After the new widget has been defined, the following two calls will | |
| 45 create identical widgets: | |
| 46 | |
| 47 * (widget-create NAME) | |
| 48 | |
| 49 * (apply 'widget-create CLASS ARGS) | |
| 50 | |
| 51 The third argument DOC is a documentation string for the widget." | |
| 52 (put name 'widget-type (cons class args)) | |
| 53 (put name 'widget-documentation doc)) | |
| 54 | |
| 55 (autoload 'widget-create "widget-edit") | |
| 56 (autoload 'widget-insert "widget-edit") | |
| 57 | |
| 58 (defun define-widget-group (name class doc &rest args) | |
| 59 "Define a new widget group named NAME. | |
| 60 | |
| 61 CLASS should be nil, it is reserved for future use. | |
| 62 | |
| 63 MATCH should be a function taking a widget group and a list of match | |
| 64 types as an argument, and returning the remaining part of the list if | |
| 65 the widget group matches the beginning of the list, or throwing | |
| 66 `no-match' if not. | |
| 67 | |
| 68 CREATE should be a function taking a widget group and a list of values | |
| 69 as arguments, and returning a cons whose car is a list of widgets | |
| 70 representing the matches values and whose cdr is the remaining | |
| 71 unmatched values." | |
| 72 (put name 'widget-group (cons class args))) | |
| 73 | |
| 74 ;;; The End. | |
| 75 | |
| 76 (provide 'widget) | |
| 77 | |
| 78 ;; widget.el ends here |