@Override
    public void performNavigateAction(KeyEvent evt) {
        if (evt.isControlDown()) {
            switch (evt.getKeyCode()) {
                case KeyEvent.VK_DOWN:
                    if (txtUsuario.equals(this.getFocusOwner())) {
                        txtSenha.requestFocus();
                    } else if (txtSenha.equals(this.getFocusOwner())) {
                        btnLogin.requestFocus();
                    } else if (btnLogin.equals(this.getFocusOwner())) {
                        btnSair.requestFocus();
                    }
                    break;
                case KeyEvent.VK_UP:
                    if (txtSenha.equals(this.getFocusOwner())) {
                        txtUsuario.requestFocus();
                    } else if (btnLogin.equals(this.getFocusOwner())) {
                        txtSenha.requestFocus();
                    } else if (btnSair.equals(this.getFocusOwner())) {
                        btnLogin.requestFocus();
                    }
                    break;
            }
        }
    }