// params = text, image, action, text, image, action, ...
static DynamicHStack showNiceButtons(O... params) {
  DynamicHStack stack = dynamicHStack();
  
  for (int i = 0; i < l(params); i += 3) {
    S text = str(get(params, i));
    S imageID = str(get(params, i+1));
    JButton b = jImageAndTextButton(imageID, text);
    setVerticalTextPosition(JButton.TOP, setFontSize(15, makeBold(b)));
    stack.addComponent(b);
  }
  
  showCenterPackedFrame(jscroll(jfullcenter(stack)));
  ret stack;
}