static void titlePopupMenu_top(final Component c, final VF1<JPopupMenu> menuMaker) {
  awtIfNecessary {
    if (!isSubstanceLAF())
      print("Can't add title right click!");
    else {
      JComponent titleBar = getTitlePaneComponent(getFrame(c));
      componentPopupMenu_top(titleBar, menuMaker);
    }
  }
}