| Modifier and Type | Method and Description | 
|---|---|
| com.google.gwt.event.shared.HandlerRegistration | addBackgroundMouseUpHandler(BackgroundMouseUpHandler handler)Notification method fired when the mouse button is released over a background-cell, ie,  one without an event. | 
com.google.gwt.event.shared.HandlerRegistration addBackgroundMouseUpHandler(BackgroundMouseUpHandler handler)
handler - the backgroundMouseUp handlerHandlerRegistration used to remove this handler