protected override bool OnPopupMenu ()
		{
			Stetic.Wrapper.Widget selection = SelectedWrapper;

			if (selection != null) {
				Menu m = new ContextMenu (selection);
				if (selection.IsTopLevel) {
					// Allow deleting top levels from the project view
					ImageMenuItem item = new ImageMenuItem (Gtk.Stock.Delete, null);
					item.Activated += delegate (object obj, EventArgs args) {
						selection.Delete ();
					};
					item.Show ();
					m.Add (item);
				}
				m.Popup ();
				return true;
			} else
				return base.OnPopupMenu ();
		}