sclass BetterLabel extends JLabel {
  bool autoToolTip = true;
  
  *() {
    // Listeners given out to componentPopupMenu must not directly
    // reference the outer object (-> weak map problem).
    final WeakReference<BetterLabel> me = new(this);
    componentPopupMenu(this, BetterLabel_menuItems(me));
  }
  
  *(S text) {
    this();
    this.setText(text);
  }
  
  public void setText(S text) {
    super.setText(text);
    if (autoToolTip)
      if (!swic(text, "<html>")) // HTML labels make super-huge, confusing tool tips
        setToolTipText(nullIfEmpty(text));
  }
}

// moved outside of class for GC reasons (see above)
static VF1<JPopupMenu> BetterLabel_menuItems(final WeakReference<BetterLabel> me) {
  ret voidfunc(JPopupMenu menu) {
    addMenuItem(menu, "Copy text to clipboard", r {
      copyTextToClipboard(me->getText());
    });
  };
}