/* * Copyright (c) 1996, 2006, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.awt.event; import java.util.EventListener; /** * The listener interface for receiving mouse motion events on a component. * (For clicks and other mouse events, use the <code>MouseListener</code>.) * <P> * The class that is interested in processing a mouse motion event * either implements this interface (and all the methods it * contains) or extends the abstract <code>MouseMotionAdapter</code> class * (overriding only the methods of interest). * <P> * The listener object created from that class is then registered with a * component using the component's <code>addMouseMotionListener</code> * method. A mouse motion event is generated when the mouse is moved * or dragged. (Many such events will be generated). When a mouse motion event * occurs, the relevant method in the listener object is invoked, and * the <code>MouseEvent</code> is passed to it. * * @author Amy Fowler * * @see MouseMotionAdapter * @see MouseEvent * @see <a href="http://java.sun.com/docs/books/tutorial/post1.0/ui/mousemotionlistener.html">Tutorial: Writing a Mouse Motion Listener</a> * * @since 1.1 */ public interface MouseMotionListener extends EventListener { /** * Invoked when a mouse button is pressed on a component and then * dragged. <code>MOUSE_DRAGGED</code> events will continue to be * delivered to the component where the drag originated until the * mouse button is released (regardless of whether the mouse position * is within the bounds of the component). * <p> * Due to platform-dependent Drag&Drop implementations, * <code>MOUSE_DRAGGED</code> events may not be delivered during a native * Drag&Drop operation. */ public void mouseDragged(MouseEvent e); /** * Invoked when the mouse cursor has been moved onto a component * but no buttons have been pushed. */ public void mouseMoved(MouseEvent e); }