/******************************************************************************* * Copyright (c) 2000, 2004 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Common Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/cpl-v10.html *  * Contributors: *     IBM Corporation - initial API and implementation *******************************************************************************/package org.eclipse.swt.events;/** * This adapter class provides default implementations for the * methods described by the <code>MouseListener</code> interface. * <p> * Classes that wish to deal with <code>MouseEvent</code>s  * which occur as mouse buttons are pressed and released can * extend this class and override only the methods which they are * interested in. * </p> * * @see MouseListener * @see MouseEvent */public abstract class MouseAdapter implements MouseListener {/** * Sent when a mouse button is pressed twice within the  * (operating system specified) double click period. * The default behavior is to do nothing. * * @param e an event containing information about the mouse double click * * @see org.eclipse.swt.widgets.Display#getDoubleClickTime() */public void mouseDoubleClick(MouseEvent e) {}/** * Sent when a mouse button is pressed. * The default behavior is to do nothing. * * @param e an event containing information about the mouse button press */public void mouseDown(MouseEvent e) {}/** * Sent when a mouse button is released. * The default behavior is to do nothing. * * @param e an event containing information about the mouse button release */public void mouseUp(MouseEvent e) {}}