Package org.eclipse.swt.events
Interface KeyListener
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- All Superinterfaces:
EventListener,SWTEventListener
- All Known Implementing Classes:
AnnotationBarHoverManager.Closer,ContentAssistant.AutoAssistListener,HyperlinkManager,KeyAdapter,PaintManager
public interface KeyListener extends SWTEventListener
Classes which implement this interface provide methods that deal with the events that are generated as keys are pressed on the system keyboard.After creating an instance of a class that implements this interface it can be added to a control using the
addKeyListenermethod and removed using theremoveKeyListenermethod. When a key is pressed or released, the appropriate method will be invoked.- See Also:
KeyAdapter,KeyEvent
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Modifier and Type Method Description voidkeyPressed(KeyEvent e)Sent when a key is pressed on the system keyboard.static KeyListenerkeyPressedAdapter(Consumer<KeyEvent> c)Static helper method to create aKeyListenerfor thekeyPressed(KeyEvent e)) method with a lambda expression.voidkeyReleased(KeyEvent e)Sent when a key is released on the system keyboard.static KeyListenerkeyReleasedAdapter(Consumer<KeyEvent> c)Static helper method to create aKeyListenerfor thekeyReleased(KeyEvent e)) method with a lambda expression.
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Method Detail
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keyPressed
void keyPressed(KeyEvent e)
Sent when a key is pressed on the system keyboard.- Parameters:
e- an event containing information about the key press
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keyReleased
void keyReleased(KeyEvent e)
Sent when a key is released on the system keyboard.- Parameters:
e- an event containing information about the key release
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keyPressedAdapter
static KeyListener keyPressedAdapter(Consumer<KeyEvent> c)
Static helper method to create aKeyListenerfor thekeyPressed(KeyEvent e)) method with a lambda expression.- Parameters:
c- the consumer of the event- Returns:
- KeyListener
- Since:
- 3.106
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keyReleasedAdapter
static KeyListener keyReleasedAdapter(Consumer<KeyEvent> c)
Static helper method to create aKeyListenerfor thekeyReleased(KeyEvent e)) method with a lambda expression.- Parameters:
c- the consumer of the event- Returns:
- KeyListener
- Since:
- 3.106
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