private:
/// Do some setup that needs an application and/or screen handle and thus
/// can not be done by the constructor.
/// Called when the state first enters the stack.
/// @param ctrl the Application running the state
private:
/// Do some setup that needs an application and/or screen handle and thus
/// can not be done by the constructor.
/// Called when the state first enters the stack.
/// @param ctrl the Application running the state