Package org.eclipse.gef
Interface MouseWheelHandler
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- All Known Implementing Classes:
MouseWheelZoomHandler
public interface MouseWheelHandler
MouseWheelHandlers can beregistered
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
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Nested Class Summary
Nested Classes Modifier and Type Interface Description static class
MouseWheelHandler.KeyGenerator
A utility class used to generate keys from a given stateMask.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description void
handleMouseWheel(Event event, EditPartViewer viewer)
Handles mouse-wheel events.
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Method Detail
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handleMouseWheel
void handleMouseWheel(Event event, EditPartViewer viewer)
Handles mouse-wheel events. If the given event was handled in some way, itsdoit
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 scrollingviewer
- The originating viewer
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