item.setFixed(!item.isFixed());
if(checkMask(e.getModifiers(), MouseEvent.BUTTON1_MASK) && item.getEntity() instanceof PElement) { PElement p = (PElement) item.getEntity(); p.setSelected(!p.isSelected()); }
		public void itemPressed(VisualItem item, MouseEvent e) {			// first click selects, second click deselects			item.setFixed(!item.isFixed());			_lastItemClicked = item;			maybeShowPopup(e);		}