package org.eclipse.swt.events; | |
/* | |
* (c) Copyright IBM Corp. 2000, 2001. | |
* All Rights Reserved | |
*/ | |
import java.util.EventListener; | |
/** | |
* 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 EventListener { | |
/** | |
* 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); | |
} | |