1 /******************************************************************************* 2 * Copyright (c) 2000, 2003 IBM Corporation and others. 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Eclipse Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/epl-v10.html 7 * 8 * Contributors: 9 * IBM Corporation - initial API and implementation 10 * Port to the D programming language: 11 * Frank Benoit <benoit@tionex.de> 12 *******************************************************************************/ 13 module org.eclipse.swt.events.FocusListener; 14 15 16 public import org.eclipse.swt.internal.SWTEventListener; 17 public import org.eclipse.swt.events.FocusEvent; 18 19 /** 20 * Classes which implement this interface provide methods 21 * that deal with the events that are generated as controls 22 * gain and lose focus. 23 * <p> 24 * After creating an instance of a class that : 25 * this interface it can be added to a control using the 26 * <code>addFocusListener</code> method and removed using 27 * the <code>removeFocusListener</code> method. When a 28 * control gains or loses focus, the appropriate method 29 * will be invoked. 30 * </p> 31 * 32 * @see FocusAdapter 33 * @see FocusEvent 34 */ 35 public interface FocusListener : SWTEventListener { 36 37 /** 38 * Sent when a control gets focus. 39 * 40 * @param e an event containing information about the focus change 41 */ 42 public void focusGained(FocusEvent e); 43 44 /** 45 * Sent when a control loses focus. 46 * 47 * @param e an event containing information about the focus change 48 */ 49 public void focusLost(FocusEvent e); 50 } 51