Class 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.

Fields

Modifier and Type Field Description
protected boolean isKeyDown

Set to true while keyPressed is active.
protected Action repeatKeyAction

Key code that is being generated for.

Constructors

Constructor Description
KeyHandler()

Methods

Modifier and Type Method Description
void keyTyped​(KeyEvent e)

Invoked when a key has been typed.

Methods declared in class java.awt.event.KeyAdapter

keyPressed, keyReleased

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Fields

repeatKeyAction

protected Action repeatKeyAction

Key code that is being generated for.

isKeyDown

protected boolean isKeyDown

Set to true while keyPressed is active.

Constructors

KeyHandler

public KeyHandler()

Methods

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 class KeyAdapter
Parameters:
e - the event to be processed

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https://docs.oracle.com/en/java/javase/11/docs/api/java.desktop/javax/swing/plaf/basic/BasicTreeUI.KeyHandler.html