/**
  * Forwards the call to SwingUtilities.layoutCompoundLabel(). This method is here so that a
  * subclass could do Label specific layout and to shorten the method name a little.
  *
  * @see SwingUtilities#layoutCompoundLabel
  */
 protected String layoutCL(
     AbstractButton c,
     FontMetrics fontMetrics,
     String text,
     Icon icon,
     Rectangle viewR,
     Rectangle iconR,
     Rectangle textR) {
   return SwingUtilities.layoutCompoundLabel(
       c,
       fontMetrics,
       text,
       icon,
       c.getVerticalAlignment(),
       c.getHorizontalAlignment(),
       c.getVerticalTextPosition(),
       c.getHorizontalTextPosition(),
       viewR,
       iconR,
       textR,
       Methods.invokeGetter(c, "getIconTextGap", 4));
 }
  public static Dimension getPreferredSize(AbstractButton b) {
    String style = (String) b.getClientProperty("Quaqua.Button.style");
    if (style == null) {
      style = "push";
    }
    if (style.equals("help")) {
      Icon helpIcon = UIManager.getIcon("Button.helpIcon");
      Insets insets = b.getInsets();

      return new Dimension(
          helpIcon.getIconWidth() + insets.left + insets.right,
          helpIcon.getIconHeight() + insets.top + insets.bottom);
    }
    if (b.getComponentCount() > 0) {
      return null;
    }

    int textIconGap = Methods.invokeGetter(b, "getIconTextGap", 4);
    Icon icon = (Icon) b.getIcon();
    String text = b.getText();

    Font font = b.getFont();
    FontMetrics fm = b.getFontMetrics(font);

    viewR.x = viewR.y = 0;
    viewR.width = Short.MAX_VALUE;
    viewR.height = Short.MAX_VALUE;
    iconR.x = iconR.y = iconR.width = iconR.height = 0;
    textR.x = textR.y = textR.width = textR.height = 0;

    SwingUtilities.layoutCompoundLabel(
        (JComponent) b,
        fm,
        text,
        icon,
        b.getVerticalAlignment(),
        b.getHorizontalAlignment(),
        b.getVerticalTextPosition(),
        b.getHorizontalTextPosition(),
        viewR,
        iconR,
        textR,
        (text == null ? 0 : textIconGap));

    /* The preferred size of the button is the size of
     * the text and icon rectangles plus the buttons insets.
     */

    Rectangle r = iconR.union(textR);

    // if (b.isBorderPainted()) {
    Insets insets = b.getInsets();
    r.width += insets.left + insets.right;
    r.height += insets.top + insets.bottom;
    // }
    if (!QuaquaUtilities.isSmallSizeVariant(b)
        && style.equals("push")
        && b.getIcon() == null
        && b.getText() != null) {
      r.width = Math.max(r.width, UIManager.getInt("Button.minimumWidth"));
    }
    return r.getSize();
  }