info.bioinfweb.tic.input

Class AbstractSWTMouseEventForwarder<L extends java.util.EventListener>

java.lang.Object

info.bioinfweb.tic.input.AbstractEventForwarder<L>

info.bioinfweb.tic.input.AbstractSWTMouseEventForwarder<L>

Type Parameters:

L - the type of lister to forward events to

Direct Known Subclasses:

SWTMouseEventForwarder, SWTMouseWheelEventForwarder

public class AbstractSWTMouseEventForwarder<L extends java.util.EventListener>
extends AbstractEventForwarder<L>

Abstract base class for all SWT mouse event forwarders.

Since:

3.0.0

Author:

Ben Stöver

Module:

info.bioinfweb.tic.swt

Constructor Summary

Constructors

Constructor and Description
AbstractSWTMouseEventForwarder(TICListenerSet<L> listenerSet, ScrollingTICComponent scrolledComponent) Creates a new instance of this class.

Method Summary

Modifier and Type	Method and Description
protected int	transformMouseX(int x) Edits the x-coordinate of a mouse event according to the values of DirectPaintingSWTScrollContainer#getScrollOffsetX() if the owner of the listener set implements DirectPaintingSWTScrollContainer.
protected int	transformMouseY(int y) Edits the y-coordinate of a mouse event according to the values of DirectPaintingSWTScrollContainer#getScrollOffsetY() if the owner of the listener set implements DirectPaintingSWTScrollContainer.

Methods inherited from class info.bioinfweb.tic.input.AbstractEventForwarder

forwardMouseEventToParent, getListenerSet

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractSWTMouseEventForwarder

public AbstractSWTMouseEventForwarder(TICListenerSet<L> listenerSet,
                                      ScrollingTICComponent scrolledComponent)

Creates a new instance of this class.

Parameters:

listenerSet - the set of TIC listeners for forward events to

scrolledComponent - Optional parameter that allows to specify a scrolled component that will be the receiver of forwarded events. If the receiver is not a scrolled component and no mouse coordinate transformation shall be performed, null can be specified here.

Method Detail

transformMouseX

protected int transformMouseX(int x)

Edits the x-coordinate of a mouse event according to the values of DirectPaintingSWTScrollContainer#getScrollOffsetX() if the owner of the listener set implements DirectPaintingSWTScrollContainer. Otherwise the value remains unchanged.

Parameters:

x - the x-coordinate to be edited

Returns:

the transformed x-coordinate

transformMouseY

protected int transformMouseY(int y)

Edits the y-coordinate of a mouse event according to the values of DirectPaintingSWTScrollContainer#getScrollOffsetY() if the owner of the listener set implements DirectPaintingSWTScrollContainer. Otherwise the value remains unchanged.

Parameters:

y - the y-coordinate to be edited

Returns:

the transformed y-coordinate