Menu.h

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#ifndef HRK_MENU_H
#define HRK_MENU_H

#include <memory>
#include "Component.h"


namespace hrk
{
    class Button;
    class Event;


    class Menu : public Component
    {
    public:
        enum {
            Invalid_index = -1,
        };

        Menu(void);
        ~Menu(void);

        void set_alpha(double alpha);
        void set_color_strength(double ratio);

        void update(void);
        void draw(void);
        SizeF size(void) const;

        void set_button_align(int align);
        void set_buttons_interval(const PointF& each_offset);
        void set_button_offset(int index, const PointF& offset);

        void add_button(Button* button);
        void remove_button(Button* button);
        Button* button(int index) const;
        int button_size(void) const;
        void set_button_enabled(int index, bool enable);

        void set_current_index(int index);
        int current_index(void) const;

        void set_decided_index(int index);
        int decided_index(void) const;
        void set_decided(bool decide);
        bool is_decided(void) const;

        void set_decide_update_enabled(bool enable);

        void set_select_event(Event* previous, Event* next);
        void set_decide_event(Event* decide);
        void set_mouse_enabled(bool enable);
        void set_rotate_by_key_enabled(bool enable);
        void hold_last_selected_index(bool hold);

    private:
        Menu(const Menu& rhs);
        Menu& operator = (const Menu& rhs);

        struct pImpl;
        std::auto_ptr<pImpl> pimpl;
    };
}

#endif