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/browsing/JavaBrowsingPart.java
public void saveState(IMemento memento) {
		if (fViewer == null) {
			
			if (fMemento != null) 
				memento.putMemento(fMemento);
			return;
		}
		if (fHasWorkingSetFilter)
			fWorkingSetFilterActionGroup.saveState(memento);
		if (fHasCustomFilter)
			fCustomFiltersActionGroup.saveState(memento);
		saveSelectionState(memento);
		saveLinkingEnabled(memento);
	}	
	private void saveLinkingEnabled(IMemento memento) {
		memento.putInteger(getLinkToEditorKey(), fLinkingEnabled ? 1 : 0);
	}
	private void saveSelectionState(IMemento memento) {
		Object elements[]= ((IStructuredSelection) fViewer.getSelection()).toArray();
		if (elements.length > 0) {
			IMemento selectionMem= memento.createChild(TAG_SELECTED_ELEMENTS);
			for (int i= 0; i < elements.length; i++) {
				IMemento elementMem= selectionMem.createChild(TAG_SELECTED_ELEMENT);
				Object o= elements[i];
				if (o instanceof IJavaElement)
					elementMem.putString(TAG_SELECTED_ELEMENT_PATH, ((IJavaElement) elements[i]).getHandleIdentifier());
				else if (o instanceof LogicalPackage) {
					IPackageFragment[] packages=((LogicalPackage)o).getFragments();
					for (int j= 0; j < packages.length; j++) {
						IMemento packageMem= elementMem.createChild(TAG_LOGICAL_PACKAGE);