BasicTreeUI.KeyHandler (Java 2 Platform SE 5.0) (original) (raw)

javax.swing.plaf.basic

Class BasicTreeUI.KeyHandler

java.lang.Object extended by java.awt.event.KeyAdapter javax.swing.plaf.basic.BasicTreeUI.KeyHandler

All Implemented Interfaces:

KeyListener, EventListener

Enclosing class:

BasicTreeUI

public class BasicTreeUI.KeyHandler

extends KeyAdapter

This is used to get mutliple key down events to appropriately generate 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
BasicTreeUI.KeyHandler()

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.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, [wait](../../../../java/lang/Object.html#wait%28long, int%29)

Field Detail

repeatKeyAction

protected Action repeatKeyAction

Key code that is being generated for.

isKeyDown

protected boolean isKeyDown

Set to true while keyPressed is active.

Constructor Detail

BasicTreeUI.KeyHandler

public BasicTreeUI.KeyHandler()

Method Detail

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](../../../../java/awt/event/KeyListener.html#keyTyped%28java.awt.event.KeyEvent%29) in interface [KeyListener](../../../../java/awt/event/KeyListener.html "interface in java.awt.event")

Overrides:

[keyTyped](../../../../java/awt/event/KeyAdapter.html#keyTyped%28java.awt.event.KeyEvent%29) in class [KeyAdapter](../../../../java/awt/event/KeyAdapter.html "class in java.awt.event")

keyPressed

public void keyPressed(KeyEvent e)

Description copied from class: [KeyAdapter](../../../../java/awt/event/KeyAdapter.html#keyPressed%28java.awt.event.KeyEvent%29)

Invoked when a key has been pressed.

Specified by:

[keyPressed](../../../../java/awt/event/KeyListener.html#keyPressed%28java.awt.event.KeyEvent%29) in interface [KeyListener](../../../../java/awt/event/KeyListener.html "interface in java.awt.event")

Overrides:

[keyPressed](../../../../java/awt/event/KeyAdapter.html#keyPressed%28java.awt.event.KeyEvent%29) in class [KeyAdapter](../../../../java/awt/event/KeyAdapter.html "class in java.awt.event")

keyReleased

public void keyReleased(KeyEvent e)

Description copied from class: [KeyAdapter](../../../../java/awt/event/KeyAdapter.html#keyReleased%28java.awt.event.KeyEvent%29)

Invoked when a key has been released.

Specified by:

[keyReleased](../../../../java/awt/event/KeyListener.html#keyReleased%28java.awt.event.KeyEvent%29) in interface [KeyListener](../../../../java/awt/event/KeyListener.html "interface in java.awt.event")

Overrides:

[keyReleased](../../../../java/awt/event/KeyAdapter.html#keyReleased%28java.awt.event.KeyEvent%29) in class [KeyAdapter](../../../../java/awt/event/KeyAdapter.html "class in java.awt.event")

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.