tbx_interface_slider.hpp

#ifndef TurtleBrainsExpress_InterfaceSlider_hpp
#define TurtleBrainsExpress_InterfaceSlider_hpp

#include <turtle_brains/express/interface/tbx_interface.hpp>
#include <turtle_brains/express/interface/tbx_interface_element.hpp>

#include <functional>

namespace TurtleBrainsExpress
{
    namespace Interface
    {
        namespace Unstable
        {
            class InterfaceHandlerInterface;

            class Slider : public Element
            {
            public:
                Slider(void);
                virtual ~Slider(void) = 0;

                inline float GetValue(void) const { return mSliderValue; }
                void SetValue(const float value);

            protected:
                void AddSliderGraphic(tbGraphics::Graphic& graphic);
                void AddSliderGraphic(tbGraphics::Graphic* graphic);
                void RemoveSliderGraphic(tbGraphics::Graphic* graphic);

                virtual void OnHandleUserEvent(const UserEvent& userEvent) override;
                virtual void OnHandleActiveUserEvent(const UserEvent& userEvent) override;
                virtual void OnActivate(void) override;

            private:
                //TODO: TurtleBrainsExpress: Interface:
                //Having a single "checked graphics" list may prove problematic WRT having the visuals
                //change with focus/enabled/disabled - but the alternative (having a checked graphics
                //list for each state, seems not so fun either... Will continue ponder to refactor later.
                tbGraphics::GraphicList mSliderGraphics;
                float mSliderValue;
            };

            class SimpleSlider : public Slider
            {
            public:
                SimpleSlider(const tbGraphics::PixelSpace& width, const tbGraphics::PixelSpace& height);
                virtual ~SimpleSlider(void);

            private:
            };

        };
    }; /* namespace Interface */
}; /* namespace TurtleBrainsExpress */

namespace tbxInterface = TurtleBrainsExpress::Interface;

#endif /* TurtleBrainsExpress_InterfaceSlider_hpp */