message: Set ListBox clipRect to bounds of control
  The previous box extended beyond the bounds of the control.
diff: @@ -276,7 +276,7 @@ void ListBox::update()
  return;
  }
  - renderer.clipRect(rect().x() - 1, rect().y(), rect().width() + 1, rect().height() + 1);
  + renderer.clipRect(rect());
  // draw boundaries of the widget
  NAS2D::Rectangle<int> listBounds = rect();
  