javax.swing.plaf.basic

Class BasicTreeUI.KeyHandler

Enclosing Class:
BasicTreeUI
Implemented Interfaces:
EventListener, KeyListener

public class BasicTreeUI.KeyHandler
extends KeyAdapter

This is used to get multiple key down events to appropriately genereate events.

Field Summary

protected boolean
isKeyDown
Set to true while keyPressed is active
protected Action
repeatKeyAction
Key code that is being generated for.

Constructor Summary

KeyHandler()
Constructor

Method Summary

void
keyPressed(KeyEvent e)
Invoked when a key has been pressed.
void
keyReleased(KeyEvent e)
Invoked when a key has been released
void
keyTyped(KeyEvent e)
Invoked when a key has been typed.

Methods inherited from class java.awt.event.KeyAdapter

keyPressed, keyReleased, keyTyped

Methods inherited from class java.lang.Object

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

Field Details

isKeyDown

protected boolean isKeyDown
Set to true while keyPressed is active

repeatKeyAction

protected Action repeatKeyAction
Key code that is being generated for.

Constructor Details

KeyHandler

public KeyHandler()
Constructor

Method Details

keyPressed

public void keyPressed(KeyEvent e)
Invoked when a key has been pressed.
Specified by:
keyPressed in interface KeyListener
Overrides:
keyPressed in interface KeyAdapter
Parameters:
e - the key pressed

keyReleased

public void keyReleased(KeyEvent e)
Invoked when a key has been released
Specified by:
keyReleased in interface KeyListener
Overrides:
keyReleased in interface KeyAdapter
Parameters:
e - the key released

keyTyped

public void keyTyped(KeyEvent e)
Invoked when a key has been typed. Moves the keyboard focus to the first element whose first letter matches the alphanumeric key pressed by the user. Subsequent same key presses move the keyboard focus to the next object that starts with the same letter.
Specified by:
keyTyped in interface KeyListener
Overrides:
keyTyped in interface KeyAdapter
Parameters:
e - the key typed

BasicTreeUI.java -- Copyright (C) 2002, 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.