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comparison dwt/accessibility/AccessibleEvent.d @ 42:787b5413b0ce

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accessibility package
author Frank Benoit <benoit@tionex.de>
date Fri, 11 Jan 2008 05:07:22 +0100
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children 8cec8f536af3
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41:c83c51423d03 42:787b5413b0ce
1 /*******************************************************************************
2 * Copyright (c) 2000, 2004 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 *******************************************************************************/
11 module dwt.accessibility.AccessibleEvent;
12
13
14 import dwt.internal.SWTEventObject;
15 import tango.text.convert.Format;
16
17 /**
18 * Instances of this class are sent as a result of
19 * accessibility clients sending messages to controls
20 * asking for information about the control instance.
21 * <p>
22 * Note: The meaning of the result field depends
23 * on the message that was sent.
24 * </p>
25 *
26 * @see AccessibleListener
27 * @see AccessibleAdapter
28 *
29 * @since 2.0
30 */
31 public class AccessibleEvent : SWTEventObject {
32 /**
33 * The value of this field is set by an accessibility client
34 * before the accessible listener method is called.
35 * ChildID can be CHILDID_SELF, representing the control itself,
36 * or a 0-based integer representing a specific child of the control.
37 */
38 public int childID;
39
40 /**
41 * The value of this field must be set in the accessible listener
42 * method before returning.
43 * What to set it to depends on the listener method called, and
44 * the childID specified by the client.
45 */
46 public char[] result;
47
48 //static final long serialVersionUID = 3257567304224026934L;
49
50 /**
51 * Constructs a new instance of this class.
52 *
53 * @param source the object that fired the event
54 */
55 public this(Object source) {
56 super(source);
57 }
58
59 /**
60 * Returns a string containing a concise, human-readable
61 * description of the receiver.
62 *
63 * @return a string representation of the event
64 */
65 public char[] toString () {
66 return Format( "AccessibleEvent {childID={} result={}}", childID, result );
67 }
68 }