Bug 34335 DND doesn't work
RC2 Linux-GTK Drag and drop doesn't work. I've tried it in the DNDExample and in the package explorer and drags are never initiated.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
fEnableMemberFilterAction.setChecked(on);
	}
	
	/**
	 * called from ShowQualifiedTypeNamesAction. Must be called after creation
	 * of the viewpart.
	 */	
	public void showQualifiedTypeNames(boolean on) {
		if (fAllViewers == null) {
			return;
		}
		for (int i= 0; i < fAllViewers.length; i++) {
			fAllViewers[i].setQualifiedTypeName(on);
		}
	}
	
	private boolean isShowQualifiedTypeNames() {
		return fShowQualifiedTypeNamesAction.isChecked();
	}
	
	/**
	 * Called from ITypeHierarchyLifeCycleListener.
	 * Can be called from any thread
	 */
	protected void doTypeHierarchyChanged(final TypeHierarchyLifeCycle typeHierarchy, final IType[] changedTypes) {
		if (!fIsVisible) {
			fNeedRefresh= true;
			return;
		}
		if (fIsRefreshRunnablePosted) {