CScrollGraphics.hpp

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#ifndef LIBS_GRAPHICSCOMP_CSCROLLGRAPHICS_HPP_
#define LIBS_GRAPHICSCOMP_CSCROLLGRAPHICS_HPP_
 
#include "AbstractComponentGraphics.hpp"
#include "ui/shapes/CRectangleGraphics.hpp"
#include <cmath>
class CScrollGraphics : public AbstractComponentGraphics
{
public:
    CScrollGraphics();
    ~CScrollGraphics() override;
 
    bool operator==(const CScrollGraphics &b) const
    {
        auto epsilon = static_cast<float>(0.000001);
 
        return (m_numTotal == b.m_numTotal) && (m_numShow == b.m_numShow) &&
               fabs(m_posCursor - b.m_posCursor) < epsilon && fabs(m_sizeY - b.m_sizeY) < epsilon &&
               (m_cursor == b.m_cursor) && (m_backgroundScroll == b.m_backgroundScroll) &&
               (m_isIntoScroll == b.m_isIntoScroll);
    }
 
    void moveCursor(double displacementCursor);
    void processEventInComponentWithScroll(CEventGraphics *event, uint64_t numTotal, double sizeYElement);
    bool sizeChanged() override;
    void update(IGraphics *graphics, CLibraryImages *libraryImage) override;
 
    [[nodiscard]] double getPosCursor() const;
    [[nodiscard]] uint64_t getNumElementsShowed() const;
 
    void setNumElements(uint64_t numElementsTotal, uint64_t numElementsShow);
 
    [[nodiscard]] bool isInTopScroll() const;
    [[nodiscard]] bool isInDownScroll() const;
 
private:
    void calculatePosGlobal(double xFather, double yFather) override;
    void calculateSizeMin(IGraphics *graphics, const CTheme *theme, CLibraryImages *libraryImage, double *sizeXComp,
                          double *sizeYComp) override;
    void distribute(IGraphics *graphics, double sizeXComp, double sizeYComp) override;
    void drawComponent(IGraphics *graphics, const CTheme *theme) override;
    void handleEvent(CEventGraphics *event, double xOrg, double yOrg) override;
    void nextFrameChildren() override;
    void removeObjectDraw(IGraphics *graphics) override;
 
    void prvMoveCursorScroll(double displacementCursor);
    void prvProcessDrag(const CEventGraphics *event, double sizeY);
 
    uint64_t m_numTotal;
    uint64_t m_numShow;
    double m_posCursor;
    double m_sizeY;
    CRectangleGraphics *m_cursor;
    CRectangleGraphics *m_backgroundScroll;
 
    bool m_isIntoScroll;
};
 
#endif /* LIBS_GRAPHICSCOMP_CSCROLLGRAPHICS_HPP_ */