ScrollArea.hpp

// Copyright 2026 Jan Niklas Hasse <jhasse@bixense.com>
// For conditions of distribution and use, see copyright notice in LICENSE.txt
#pragma once
 
namespace jngl {
 
class Mat3;
 
class ScrollArea {
public:
    explicit ScrollArea(float height);
 
    void stepAndTransformInput();
 
    void updateModelview(Mat3& modelview) const;
 
private:
    float height;
    float scrollY = 0;
    float targetScrollY = 0;
    bool active = false;
    double startMouseX = 0;
    double startMouseY = 0;
    double previousMouseY = 0;
    bool notSureIfHorizontalOrVeriticalScroll = false;
    float speed = 0;
};
 
} // namespace jngl