manager.layoutContainer(parent);
if (comboBox.isEditable()) manager.superLayout(parent); else if (arrowButton != null) { Insets comboInsets = comboBox.getInsets(); int width = comboBox.getWidth(); int height = comboBox.getHeight(); arrowButton.setBounds(comboInsets.left, comboInsets.top, width - (comboInsets.left + comboInsets.right), height - (comboInsets.top + comboInsets.bottom)); }
  public void layoutComboBox(Container parent,                             MetalComboBoxUI.MetalComboBoxLayoutManager manager)  {    manager.layoutContainer(parent);  }