;
{ full_screen.setBounds(fullScreenOldBounds); }  full_screen = null;   if (w != null) { fullScreenOldBounds = w.getBounds();
  public synchronized void setFullScreenWindow(Window w)  {    if (full_screen != null)      ; // XXX Restore the previous window to normal mode.    full_screen = w;    // XXX If w != null, make it full-screen.    throw new Error("not implemented");  }