Push_button.h

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#ifndef HRK_PUSH_BUTTON_H
#define HRK_PUSH_BUTTON_H

#include <cstdio>
#include <memory>
#include "Button.h"


namespace hrk
{
    class Label;
    class Angle;

    class Push_button : public Button
    {
    public:
        explicit Push_button(Label* released);
        ~Push_button(void);

        void draw(void);
        SizeF size(void) const;
        void set_alpha(double alpha);
        void set_color_strength(double ratio);

        void update(void);

        bool set_state(Button::state_t state);
        Button::state_t state(void) const;

        void set_decided(bool decide);
        bool is_decided(void) const;

        void add_label(Label* label, Button::state_t state,
                       const PointF& draw_offset = hrk::PointF(0, 0));

        void set_toggle_enabled(bool enable);

    private:
        Push_button(void);
        Push_button(const Push_button& rhs);
        Push_button& operator = (const Push_button& rhs);

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

#endif