Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2003 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-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>FocusListener</code> interface. * <p> * Classes that wish to deal with <code>FocusEvent</code>s can extend this * class and override only the methods which they are interested in. * </p> * * @see FocusListener * @see FocusEvent */ public abstract class FocusAdapter implements FocusListener { /** * Sent when a control gets focus. The default behavior is to do nothing. * * @param event an event containing information about the focus change */ public void focusGained(FocusEvent event) { } /** * Sent when a control loses focus. The default behavior is to do nothing. * * @param event an event containing information about the focus change */ public void focusLost(FocusEvent event) { } }