blob: 75bb0c3692500600d9fa3752d6d9244237ce847c [file] [log] [blame]
package org.eclipse.swt.events;
/*
* Copyright (c) 2000, 2002 IBM Corp. All rights reserved.
* This file is 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
*/
import org.eclipse.swt.internal.SWTEventListener;
/**
* Classes which implement this interface provide methods
* that deal with the events that are generated as controls
* gain and lose focus.
* <p>
* After creating an instance of a class that implements
* this interface it can be added to a control using the
* <code>addFocusListener</code> method and removed using
* the <code>removeFocusListener</code> method. When a
* control gains or loses focus, the appropriate method
* will be invoked.
* </p>
*
* @see FocusAdapter
* @see FocusEvent
*/
public interface FocusListener extends SWTEventListener {
/**
* Sent when a control gets focus.
*
* @param e an event containing information about the focus change
*/
public void focusGained(FocusEvent e);
/**
* Sent when a control loses focus.
*
* @param e an event containing information about the focus change
*/
public void focusLost(FocusEvent e);
}