addInternalFrameListener(this);
    public SwingFrame(Frame awtFrame) {        this.awtComponent = awtFrame;//        setFocusCycleRoot(true);//        final KeyboardFocusManager manager = KeyboardFocusManager//                .getCurrentKeyboardFocusManager();//        setFocusTraversalPolicy(manager.getDefaultFocusTraversalPolicy());        addInternalFrameListener(this);    }