javax.swing.plaf.basic

Class BasicComboBoxUI.FocusHandler

Enclosing Class:
BasicComboBoxUI
Implemented Interfaces:
EventListener, FocusListener

public class BasicComboBoxUI.FocusHandler
extends Object
implements FocusListener

Handles focus changes occuring in the combo box. This class is responsible for repainting combo box whenever focus is gained or lost and also for hiding popup list of items whenever combo box loses its focus.

Constructor Summary

FocusHandler()
Creates a new FocusHandler object.

Method Summary

void
focusGained(FocusEvent e)
Invoked when combo box gains focus.
void
focusLost(FocusEvent e)
Invoked when the combo box loses focus.

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FocusHandler

public FocusHandler()
Creates a new FocusHandler object.

Method Details

focusGained

public void focusGained(FocusEvent e)
Invoked when combo box gains focus. It repaints main part of combo box accordingly.
Specified by:
focusGained in interface FocusListener
Parameters:
e - the FocusEvent

focusLost

public void focusLost(FocusEvent e)
Invoked when the combo box loses focus. It repaints the main part of the combo box accordingly and hides the popup list of items.
Specified by:
focusLost in interface FocusListener
Parameters:
e - the FocusEvent

BasicComboBoxUI.java -- Copyright (C) 2004, 2005, 2006, Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.