static AutoCloseable tempAddGlobalMouseListener(IVF1<MouseEvent> onEvent) {
  AWTEventListener l = new AWTEventListener {
    public void eventDispatched(AWTEvent evt) {
      if (evt cast MouseEvent)
        pcallF_typed(onEvent, evt);
    }
  };
  
  Toolkit.getDefaultToolkit().addAWTEventListener(l, AWTEvent.MOUSE_EVENT_MASK);
  ret -> Toolkit.getDefaultToolkit().removeAWTEventListener(l);
}

Began life as a copy of #1003983