@Override
		public void handleEvent (Event event) {
			Point requiredSize = label.computeSize (SWT.DEFAULT, SWT.DEFAULT);
			Point labelSize = label.getSize ();
			boolean fullyVisible = requiredSize.x <= labelSize.x && requiredSize.y <= labelSize.y;
			System.out.println ("Label is fully visible: " + fullyVisible);
			label.setToolTipText (fullyVisible ? null : label.getText ());
		}