code: public void onChangeEditingState(GeometryEditChangeStateEvent event) {
  		switch (event.getEditingState()) {
  			case DRAGGING:
  				mapPresenter.setCursor("move");
  				break;
  			case IDLE:
  			default:
  				mapPresenter.setCursor("default");
  				redraw();
  		}
  	}
docs: Change the cursor while dragging.