private boolean doHorizontalScrolling(Component c, MouseWheelEvent me) {
    final JScrollBar scrollBar = findHorizontalScrollBar(c);
    if (scrollBar != null) {
      if (scrollBar.hashCode() != myLastHorScrolledComponentHash) {
        FeatureUsageTracker.getInstance().triggerFeatureUsed("ui.horizontal.scrolling");
        myLastHorScrolledComponentHash = scrollBar.hashCode();
      }
      scrollBar.setValue(scrollBar.getValue() + getScrollAmount(me, scrollBar));
      return true;
    }
    return false;
  }
private boolean doHorizontalScrolling(Component c, MouseWheelEvent me)