Method setHidden

src/Engine/Surface.cpp:709–712

* This is a separate visibility setting intended * for temporary effects like window popups, * so as to not override the default visibility setting. * @note Do not confuse with setVisible! * @param hidden Shown or hidden. */

 * @param hidden Shown or hidden.
 */
void Surface::setHidden(bool hidden)
{
	_hidden = hidden;
}

/**
 * Locks the surface from outside access