Bug 335308 [JFace] JavaDoc of ControlDecoration#setDescriptionText is wrong
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ControlDecoration.java
public void mouseEnter(MouseEvent event) {
				
			}
		};
		compositeListener = new Listener() {
			public void handleEvent(Event event) {
				
				if (!visible) {
					return;
				}
				
				switch (event.type) {
				case SWT.MouseDown:
					if (!selectionListeners.isEmpty())
						notifySelectionListeners(event);
					break;
				case SWT.MouseDoubleClick:
					if (!selectionListeners.isEmpty())
						notifySelectionListeners(event);
					break;
				case SWT.MenuDetect:
					if (!menuDetectListeners.isEmpty())
						notifyMenuDetectListeners(event);
					break;
				}
			}
		};