org.vishia.gral.swt

Class SwtButton.KeyListener

java.lang.Object

org.vishia.gral.swt.SwtKeyListener

org.vishia.gral.swt.SwtButton.KeyListener

All Implemented Interfaces:

GralKeySpecial_ifc

Enclosing class:

SwtButton

protected class SwtButton.KeyListener
extends SwtKeyListener

Field Summary

Fields inherited from class org.vishia.gral.swt.SwtKeyListener

version

Constructor Summary

Constructors

Constructor and Description
KeyListener(GralKeyListener keyAction)

Method Summary

Modifier and Type	Method and Description
boolean	specialKeysOfWidgetType(int key, GralWidget_ifc widggArg, java.lang.Object widgImpl) This method can be overridden by specialized classes of this.

Methods inherited from class org.vishia.gral.swt.SwtKeyListener

keyPressed, keyReleased

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyListener

public KeyListener(GralKeyListener keyAction)

Method Detail

specialKeysOfWidgetType

public final boolean specialKeysOfWidgetType(int key,
                                             GralWidget_ifc widggArg,
                                             java.lang.Object widgImpl)

Description copied from interface: GralKeySpecial_ifc

This method can be overridden by specialized classes of this. This method is called firstly. Note if a special key should be handled in the GralWidget#getActionChange() then this special handling should be programmed in the derived class. If this method returns true, the key is not applied to the action and not applied to the common handling.

Specified by:

specialKeysOfWidgetType in interface GralKeySpecial_ifc

Overrides:

specialKeysOfWidgetType in class SwtKeyListener

Returns:

true if the key is processed.