AccessibleTextEvent


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  package org.eclipse.swt.accessibility;
12  
13  
14  import org.eclipse.swt.internal.*;
15  
16  /**
17   * Instances of this class are sent as a result of
18   * accessibility clients sending messages to controls
19   * asking for detailed information about the implementation
20   * of the control instance. Typically, only implementors
21   * of custom controls need to listen for this event.
22   * <p>
23   * Note: The meaning of each field depends on the
24   * message that was sent.
25   * </p>
26   *
27   * @see AccessibleTextListener
28   * @see AccessibleTextAdapter
29   * 
30   * @since 3.0
31   */
32  public class AccessibleTextEvent extends SWTEventObject {
33      public int childID;             // IN
34      public int offset, length;      // OUT
35      
36      static final long serialVersionUID = 3977019530868308275L;
37      
38  /**
39   * Constructs a new instance of this class.
40   *
41   * @param source the object that fired the event
42   */
43  public AccessibleTextEvent (Object   source) {
44      super (source);
45  }
46  
47  /**
48   * Returns a string containing a concise, human-readable
49   * description of the receiver.
50   *
51   * @return a string representation of the event
52   */
53  public String   toString () {
54      return "AccessibleTextEvent {childID=" + childID +  //$NON-NLS-1$
55          " offset=" + offset +  //$NON-NLS-1$
56          " length=" + length +  //$NON-NLS-1$
57          "}"; //$NON-NLS-1$
58  }   
59  }
60
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