/* * @(#)MouseWheelListener.java 1.3 03/01/23 * * Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 only, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License version 2 for more details (a copy is * included at /legal/license.txt). * * You should have received a copy of the GNU General Public License * version 2 along with this work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 or visit www.sun.com if you need additional * information or have any questions. */ package java.awt.event; import java.util.EventListener; /** * The listener interface for receiving mouse wheel events on a component. * (For clicks and other mouse events, use the MouseListener. For mouse * movement and drags, use the MouseMotionListener.) * <P> * The class that is interested in processing a mouse wheel event * implements this interface (and all the methods it contains). * <P> * The listener object created from that class is then registered with a * component using the component's <code>addMouseWheelListener</code> * method. A mouse wheel event is generated when the mouse wheel is rotated. * When a mouse wheel event occurs, that object's <code>mouseWheelMoved</code> * method is invoked. * * @author Brent Christian * @version 1.3 01/23/03 * @see MouseWheelEvent * @since 1.4 */ public interface MouseWheelListener extends EventListener { /** * Invoked when the mouse wheel is rotated. * @see MouseWheelEvent */ public void mouseWheelMoved(MouseWheelEvent e); }