code: public void setController(Object object, GraphicsController controller) {
  		// set them all
  		doSetController(getGroup(object), controller, Event.MOUSEEVENTS | Event.ONDBLCLICK | Event.ONMOUSEWHEEL);
  	}
docs: Set the controller on an element of this <code>GraphicsContext</code> so it can react to events.
  
  @param object
  the element on which the controller should be set.
  @param controller
  The new <code>GraphicsController</code>