metaforce/Runtime/GuiSys/CGuiSliderGroup.hpp

#pragma once

#include "CGuiCompoundWidget.hpp"
#include <functional>

namespace urde
{
class CSimplePool;

class CGuiSliderGroup : public CGuiCompoundWidget
{
public:
    enum class EState
    {
        None,
        Decreasing,
        Increasing
    };

private:
    float xb8_minVal;
    float xbc_maxVal;
    float xc0_roundedCurVal;
    float xc4_curVal;
    float xc8_increment;
    CGuiWidget* xcc_sliderRangeWidgets[2] = {};
    std::function<void(CGuiSliderGroup*, float)> xd8_changeCallback;
    EState xf0_state = EState::None;
    union {
        struct
        {
            bool xf4_24_inputPending : 1;
        };
        u8 _dummy = 0;
    };

    void StartDecreasing();
    void StartIncreasing();

public:
    CGuiSliderGroup(const CGuiWidgetParms& parms, float a, float b, float c, float d);
    FourCC GetWidgetTypeID() const { return FOURCC('SLGP'); }

    EState GetState() const { return xf0_state; }
    void SetSelectionChangedCallback(std::function<void(CGuiSliderGroup*, float)>&& func);
    void SetIncrement(float inc) { xc8_increment = inc; }
    void SetMinVal(float min) { xb8_minVal = min; SetCurVal(xc0_roundedCurVal); }
    void SetMaxVal(float max) { xbc_maxVal = max; SetCurVal(xc0_roundedCurVal); }
    void SetCurVal(float cur);
    float GetGurVal() const { return xc0_roundedCurVal; }

    void ProcessUserInput(const CFinalInput& input);
    void Update(float dt);

    bool AddWorkerWidget(CGuiWidget* worker);
    CGuiWidget* GetWorkerWidget(int id) const;

    static std::shared_ptr<CGuiWidget> Create(CGuiFrame* frame, CInputStream& in, CSimplePool* sp);
};

}