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


1 /*******************************************************************************
2  * Copyright (c) 2000, 2007 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 a method
18  * that deals with the event that is generated as the mouse
19  * wheel is scrolled.
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>addMouseWheelListener</code> method and removed using
24  * the <code>removeMouseWheelListener</code> method. When the
25  * mouse wheel is scrolled the <code>mouseScrolled</code> method
26  * will be invoked.
27  * </p>
28  *
29  * @see MouseEvent
30  *
31  * @since 3.3
32  */
33 public interface MouseWheelListener extends SWTEventListener {
34
35 /**
36  * Sent when the mouse wheel is scrolled.
37  *
38  * @param e an event containing information about the mouse wheel action
39  */
40 public void mouseScrolled (MouseEvent e);
41 }
42
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