public void mouseWheelMoved(MouseWheelEvent e) {
				if ((SystemUtil.isMac() ? e.isMetaDown() : e.isControlDown())
						&& !e.isAltDown() 
						&& !e.isShiftDown() 
						&& e.getWheelRotation() < 0 //(SystemUtil.isMac() ? e.getWheelRotation() > 0 : e.getWheelRotation() < 0)
						) {
					e.consume();
					p1.e(e.getPoint());
				}
			}