@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());
}
