public static void setMaximized(JFrame frame, boolean maximized) {
    if (X11 == null) return;

    if (maximized) {
      X11.sendClientMessage(frame, "set Maximized mode", X11.NET_WM_STATE, NET_WM_STATE_ADD,
                            X11.NET_WM_STATE_MAXIMIZED_HORZ, X11.NET_WM_STATE_MAXIMIZED_VERT);
    }
    else {
      X11.sendClientMessage(frame, "reset Maximized mode", X11.NET_WM_STATE, NET_WM_STATE_REMOVE,
                            X11.NET_WM_STATE_MAXIMIZED_HORZ, X11.NET_WM_STATE_MAXIMIZED_VERT);
    }
  }
public static void setMaximized(JFrame frame, boolean maximized)