@Nullable private static JScrollBar findHorizontalScrollBar(Component c) { if (c == null) return null; if (c instanceof JScrollPane) { return ((JScrollPane) c).getHorizontalScrollBar(); } if (isDiagramViewComponent(c)) { final JComponent view = (JComponent) c; for (int i = 0; i < view.getComponentCount(); i++) { if (view.getComponent(i) instanceof JScrollBar) { final JScrollBar scrollBar = (JScrollBar) view.getComponent(i); if (scrollBar.getOrientation() == Adjustable.HORIZONTAL) { return scrollBar; } } } } return findHorizontalScrollBar(c.getParent()); }