Bug 310199 Need logic to grant focus to parts when their tab item has been selected
Build Id: I20100421-2055 I'm not sure why, but I noticed that in e4 on the macosx-cocoa, selecting an element often causes a blue focus halo to appear. It's a bit ugly.
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/ui/internal/workbench/PartServiceImpl.java
} else {
					engine.createGui(part);
				}
			} else {
				bringToTop(part);
			}
			return part;
		case CREATE:
			part.setToBeRendered(true);
			if (part.getCurSharedRef() != null) {
				part.getCurSharedRef().setToBeRendered(true);
				engine.createGui(part.getCurSharedRef());
			} else {
				engine.createGui(part);
			}
			return part;
		}
		return part;
	}
	public MPart showPart(String id, PartState partState) {
		Assert.isNotNull(id);
		Assert.isNotNull(partState);
		MPart part = findPart(id);
		if (part != null) {
			return showPart(part, partState);
		}
		MPartDescriptor descriptor = findDescriptor(id);
		part = createPart(descriptor);
		if (part == null) {
			return null;