@Override
 public Dimension getMinimumSize(JComponent c) {
   AbstractButton b = (AbstractButton) c;
   String style = (String) c.getClientProperty("Quaqua.Button.style");
   if (style == null) {
     style = "push";
   }
   if (style.equals("help")) {
     return getPreferredSize(c);
   }
   Dimension d = super.getMinimumSize(c);
   if (isFixedHeight(c)) {
     Dimension p = getPreferredSize(c);
     if (d != null && p != null) {
       d.height = Math.max(d.height, p.height);
     }
   }
   if (!QuaquaUtilities.isSmallSizeVariant(c)
       && style.equals("push") //
       && b.getIcon() == null
       && b.getText() != null) {
     if (d != null) {
       d.width = Math.max(d.width, UIManager.getInt("Button.minimumWidth"));
     }
   }
   return d;
 }
 @Override
 public Dimension getMaximumSize(JComponent c) {
   String style = (String) c.getClientProperty("Quaqua.Button.style");
   if (style != null && style.equals("help")) {
     return getPreferredSize(c);
   }
   Dimension d = super.getMaximumSize(c);
   if (isFixedHeight(c)) {
     Dimension p = getPreferredSize(c);
     d.height = Math.max(d.height, p.height);
   }
   return d;
 }
  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();
  }