javax.swing.plaf.basic
Class BasicTreeUI.KeyHandler
- java.lang.Object
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- java.awt.event.KeyAdapter
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- javax.swing.plaf.basic.BasicTreeUI.KeyHandler
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- 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.
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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.
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Constructor Summary
Constructors Constructor and Description KeyHandler()
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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.
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Field Detail
repeatKeyAction
protected Action repeatKeyAction
Key code that is being generated for.
isKeyDown
protected boolean isKeyDown
Set to true while keyPressed is active.
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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:
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keyTyped
in interfaceKeyListener
- Overrides:
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keyTyped
in classKeyAdapter
keyPressed
public void keyPressed(KeyEvent e)
Description copied from class:KeyAdapter
Invoked when a key has been pressed.- Specified by:
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keyPressed
in interfaceKeyListener
- Overrides:
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keyPressed
in classKeyAdapter
keyReleased
public void keyReleased(KeyEvent e)
Description copied from class:KeyAdapter
Invoked when a key has been released.- Specified by:
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keyReleased
in interfaceKeyListener
- Overrides:
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keyReleased
in classKeyAdapter
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