- 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 mutliple 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 BasicTreeUI.KeyHandler()
-
Method Summary
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.
-
-
-
Field Detail
-
repeatKeyAction
protected Action repeatKeyAction
Key code that is being generated for.
-
isKeyDown
protected boolean isKeyDown
Set to true while keyPressed is active.
-
-
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
in interfaceKeyListener
- Overrides:
keyTyped
in classKeyAdapter
-
keyPressed
public void keyPressed(KeyEvent e)
Description copied from class:KeyAdapter
Invoked when a key has been pressed.- Specified by:
keyPressed
in interfaceKeyListener
- Overrides:
keyPressed
in classKeyAdapter
-
keyReleased
public void keyReleased(KeyEvent e)
Description copied from class:KeyAdapter
Invoked when a key has been released.- Specified by:
keyReleased
in interfaceKeyListener
- Overrides:
keyReleased
in classKeyAdapter
-
-
Document created the 11/06/2005, last modified the 04/03/2020
Source of the printed document:https://www.gaudry.be/en/java-api-rf-javax/swing/plaf/basic/BasicTreeUI.KeyHandler.html
The infobrol is a personal site whose content is my sole responsibility. The text is available under CreativeCommons license (BY-NC-SA). More info on the terms of use and the author.
References
These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.