code: private void paintBackgroundEnabled(Graphics2D g, JComponent c, int width, int height) {
          paintBackground(g, c, width, height, enabled);
      }
docs: Paint the background enabled state.
  
  @param g      the Graphics2D context to paint with.
  @param c      the component.
  @param width  the width of the component.
  @param height the height of the component.