| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.draw2d; |
| |
| /** |
| * A listener interface for receiving {@link FocusEvent FocusEvents}. |
| */ |
| public interface FocusListener { |
| |
| /** |
| * Called when the listened to object has gained focus. |
| * |
| * @param fe |
| * The FocusEvent object |
| */ |
| void focusGained(FocusEvent fe); |
| |
| /** |
| * Called when the listened to object has lost focus. |
| * |
| * @param fe |
| * The FocusEvent object |
| */ |
| void focusLost(FocusEvent fe); |
| |
| /** |
| * An empty implementation of FocusListener for convenience. |
| */ |
| public class Stub implements FocusListener { |
| /** |
| * @see org.eclipse.draw2d.FocusListener#focusGained(FocusEvent) |
| */ |
| public void focusGained(FocusEvent fe) { |
| } |
| |
| /** |
| * @see org.eclipse.draw2d.FocusListener#focusLost(FocusEvent) |
| */ |
| public void focusLost(FocusEvent fe) { |
| } |
| } |
| |
| } |
