BasicTreeUI.KeyHandler

javax.swing.plaf.basic

Class BasicTreeUI.KeyHandler

java.lang.Object
- 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 multiple key down events to appropriately generate events.

Field Summary

Fields

Modifier and Type	Field and Description
`protected boolean`	`isKeyDown` Set to true while keyPressed is active.
`protected Action`	`repeatKeyAction` Key code that is being generated for.

Constructor Summary

Constructors

Constructor and Description
`KeyHandler()`

Method Summary

All Methods

Instance Methods

Concrete Methods
Modifier and Type	Method and Description
`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

- 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
  - KeyHandler
```
public 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.
  - keyPressed
```
public void keyPressed(KeyEvent e)
```
    Description copied from class: KeyAdapter
    
    Invoked when a key has been pressed.
  - keyReleased
```
public void keyReleased(KeyEvent e)
```
    Description copied from class: KeyAdapter
    
    Invoked when a key has been released.