HelperClasses.h

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namespace krotos
{
 
    class MonitoredBool
    {
      public:
        inline bool& operator=(const bool& newVal);
        inline bool getVal() const { return m_val; }
        inline bool hasChanged() { return m_changed; }
 
      private:
        bool m_changed{false};
        bool m_val{false};
    };
 
    struct Selector
    {
        Range<int> segment;
        Range<int> selection;
        MonitoredBool segmentHover;
        MonitoredBool selectionHover;
        MonitoredBool leftHover;
        MonitoredBool rightHover;
    };
 
    class ScrollAndZoomManager
    {
      public:
        void initialise(int length);
        int getLength();
        void resetZoomRange();
        Range<float> getZoomWindowNormalisedToLimits();
        Range<int> getZoomWindowRelativeToRange();
        Range<float> getZoomWindowNormalisedToRange();
        void repositionZoomWindow(float newStart);
        void zoom(int center, float amount);
        void drag(int diff);
        int percentMouseXToSampleXAbsolute(float percentX);
        int percentMouseXToSampleXRelative(float percentX);
        int pixelsToSamples(int pixels, int waveformScreenWidth);
        bool isSelectionEnabled();
        bool isZoomScrollEnabled();
        void setZoomScrollEnabled(bool newState);
        void setSelectionEnabled(bool newState);
        void setZoomRange(Range<int> newRange);
 
      private:
        Range<int> m_zoomLimits;
        Range<int> m_zoomRange;
        Range<int> m_zoomWindow;
        bool m_selectionEnabled{true};
        bool m_zoomScrollEnabled{true};
        const int m_minimumLength{32};
        int m_length{0}; // Length of the entire audio buffer
    };
 
} // namespace krotos