mainview.h

#ifndef MAINVIEW_H
#define MAINVIEW_H

#include <QMouseEvent>
#include <QOpenGLDebugLogger>
#include <QOpenGLFunctions_4_1_Core>
#include <QOpenGLShaderProgram>
#include <QOpenGLWidget>

#include "mainwindow.h"
#include "mesh/mesh.h"
#include "renderers/meshrenderer.h"

/**
 * @brief The MainView class represents the main view of the UI. It handles and
 * orchestrates the different renderers.
 */

class MainView : public QOpenGLWidget, protected QOpenGLFunctions_4_1_Core {
    Q_OBJECT

    public:
        MainView(QWidget* Parent = nullptr);
        ~MainView() override;

        void updateMatrices();
        void updateUniforms();
        void updateBuffers(Mesh& currentMesh);

    protected:
        void initializeGL() override;
        void resizeGL(int newWidth, int newHeight) override;
        void paintGL() override;

        void mouseMoveEvent(QMouseEvent* event) override;
        void mousePressEvent(QMouseEvent* event) override;
        void wheelEvent(QWheelEvent* event) override;
        void keyPressEvent(QKeyEvent* event) override;

    private:
        QVector2D toNormalizedScreenCoordinates(float x, float y);
        QVector3D toNormalizedDeviceCoordinates(int mouse_x, int mouse_y);
        QVector3D extractCameraPos();
        void findClosestHalfEdge(const QVector3D& p);

        QOpenGLDebugLogger debugLogger;

        // for mouse interactions:
        float scale;
        QVector3D oldVec;
        QQuaternion rotationQuaternion;
        bool dragging;

        MeshRenderer meshRenderer;
        Settings settings;

        // we make mainwindow a friend so it can access settings
        friend class MainWindow ;
        private slots:
        void onMessageLogged(QOpenGLDebugMessage Message);
};

#endif  // MAINVIEW_H