Method btnLetterboxClick

src/Menu/OptionsVideoState.cpp:516–519

* Changes the Letterboxing option. * @param action Pointer to an action. */

 * @param action Pointer to an action.
 */
void OptionsVideoState::btnLetterboxClick(Action *)
{
	Options::keepAspectRatio = _btnLetterbox->getPressed();
}

/**
 * Changes the Lock Mouse option.