org.eclipse.gef
Interface MouseWheelHandler

All Known Implementing Classes:

MouseWheelZoomHandler

public interface MouseWheelHandler

MouseWheelHandlers can be registered on an EditPartViewer with keys generated by the KeyGenerator. GEF tools delegate handling of mouse-wheel events to MouseWheelHandlers, if there are no drag trackers active.

Since:

3.1

Nested Class Summary

static class

MouseWheelHandler.KeyGenerator A utility class used to generate keys from a given stateMask.

Method Summary

void	handleMouseWheel(Event event, EditPartViewer viewer) Handles mouse-wheel events.

Method Detail

handleMouseWheel

void handleMouseWheel(Event event,
                      EditPartViewer viewer)

Handles mouse-wheel events. If the given event was handled in some way, its doit field should be set to false so as to prevent further processing of that event.

Parameters:

event - The SWT event that was generated as a result of the mouse-wheel scrolling

viewer - The originating viewer