Bug 198089 [ToolTips] Open/Add new API for ToolTips
- don't make shouldCreateToolTip final - add new API method ColumnViewerToolTipSupport#createToolTipContentArea(Event, Object, Composite) - Allow DefaultToolTips displayed more than once (For ToolTips in ToolTips).
bundles/org.eclipse.jface/src/org/eclipse/jface/window/ToolTip.java
return rv;
		}
		return true;
	}
	/**
	 * This method is called before the tooltip is hidden
	 *
	 * @param event
	 *            the event trying to hide the tooltip
	 * @return <code>true</code> if the tooltip should be hidden
	 */
	private boolean shouldHideToolTip(Event event) {
		if (event != null && event.type == SWT.MouseMove
				&& (style & NO_RECREATE) != 0) {
			Object tmp = getToolTipArea(event);
			
			if (tmp == null) {
				hide();
				return false;
			}
			boolean rv = !tmp.equals(currentArea);
			return rv;
		}
		return true;
	}
	/**
	 * This method is called to check for which area the tooltip is
	 * created/hidden for. In case of {@link #NO_RECREATE} this is used to
	 * decide if the tooltip is hidden recreated.
	 *