Bug 336225 Trim bars do not get unrendered by the rendering engine when trimmed window is unrendered
The trim bars are "ignored" by the rendering engine as it does not perform an unrendering pass on them when the parent trimmed window is being unrendered.
bundles/org.eclipse.e4.ui.workbench.swt/src/org/eclipse/e4/ui/internal/workbench/swt/PartRenderingEngine.java
}
	};
	private EventHandler childrenHandler = new EventHandler() {
		public void handleEvent(Event event) {
			Object changedObj = event.getProperty(UIEvents.EventTags.ELEMENT);
			if (!(changedObj instanceof MElementContainer<?>))
				return;
			MElementContainer<MUIElement> changedElement = (MElementContainer<MUIElement>) changedObj;
			boolean isApplication = changedObj instanceof MApplication;
			boolean menuChild = changedObj instanceof MMenu;
			
			AbstractPartRenderer renderer = getRendererFor(changedElement);
			if ((!isApplication && renderer == null) || menuChild)
				return;
			String eventType = (String) event
					.getProperty(UIEvents.EventTags.TYPE);
			if (UIEvents.EventTypes.ADD.equals(eventType)) {
				Activator.trace(Policy.DEBUG_RENDERER, "Child Added", null); 
				MUIElement added = (MUIElement) event
						.getProperty(UIEvents.EventTags.NEW_VALUE);
				
				
				
				
				boolean isStack = changedObj instanceof MGenericStack<?>;
				boolean hasWidget = added.getWidget() != null;
				boolean isSelected = added == changedElement
						.getSelectedElement();
				boolean renderIt = !isStack || hasWidget || isSelected;
				if (renderIt) {