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Java > Open Source Codes > org > eclipse > swt > events > ControlListener


1 /*******************************************************************************
2  * Copyright (c) 2000, 2003 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.events;
12
13
14 import org.eclipse.swt.internal.SWTEventListener;
15
16 /**
17  * Classes which implement this interface provide methods
18  * that deal with the events that are generated by moving
19  * and resizing controls.
20  * <p>
21  * After creating an instance of a class that implements
22  * this interface it can be added to a control using the
23  * <code>addControlListener</code> method and removed using
24  * the <code>removeControlListener</code> method. When a
25  * control is moved or resized, the appropriate method will
26  * be invoked.
27  * </p>
28  *
29  * @see ControlAdapter
30  * @see ControlEvent
31  */
32 public interface ControlListener extends SWTEventListener {
33
34 /**
35  * Sent when the location (x, y) of a control changes relative
36  * to its parent (or relative to the display, for <code>Shell</code>s).
37  *
38  * @param e an event containing information about the move
39  */
40 public void controlMoved(ControlEvent e);
41
42 /**
43  * Sent when the size (width, height) of a control changes.
44  *
45  * @param e an event containing information about the resize
46  */
47 public void controlResized(ControlEvent e);
48 }
49
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