@Override
                        public void onSoftText(int action, String text) {
                            if (action == SoftTextDialogInputListener.COMPLETE) {
                                textField.setText(text);
                            }
                        }
@param height The height of the viewport. Used to convert
bottom-left origin to upper-left origin.
jme3-niftygui/src/main/java/com/jme3/niftygui/InputSystemJme.java