POpenGLWidget.h

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#pragma once
//Qt
#include <QWidget>
#include <QOpenGLExtraFunctions>
#if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
    #include <QtOpenGLWidgets/QtOpenGLWidgets>
#else
    #include <QOpenGLWidget>
#endif
 
#include <QOpenGLFramebufferObject>
 
#include <QTimer>
 
//#include <GL/glu.h>
#include <RenderEngine.h>
#include <RenderWindow.h>
#include <ImWindow.h>
 
namespace dyno
{
    class Node;
 
    enum QButtonState
    {
        QBUTTON_DOWN = 0,
        QBUTTON_UP
    };
 
    enum QButtonType
    {
        QBUTTON_LETF = 0,
        QBUTTON_RIGHT,
        QBUTTON_UNKNOWN
    };
 
    class POpenGLWidget 
        : public QOpenGLWidget
        , private QOpenGLExtraFunctions
        , public RenderWindow
    {
        Q_OBJECT
    public:
        POpenGLWidget(QWidget* parent = nullptr);
        ~POpenGLWidget();
 
        void mainLoop() override {};
 
        void setDefaultAnimationOption(bool op);
 
    protected:
        void initializeGL() override;       
        void paintGL() override;     
        void resizeGL(int w, int h) override;
        
        void mousePressEvent(QMouseEvent *event) override;
        void mouseReleaseEvent(QMouseEvent *event) override;
        void mouseMoveEvent(QMouseEvent *event) override;
        void wheelEvent(QWheelEvent *event) override;
 
        void keyPressEvent(QKeyEvent* event) override;
        void keyReleaseEvent(QKeyEvent* event) override;
 
        void onSelected(const Selection& s) override;
 
        void onSaveScreen(const std::string& filename) override;
 
    public slots:
        void updateGrpahicsContext();
        void updateGraphicsContext(Node* node);
 
        void updateOneFrame(int frame);
 
    signals:
        void nodeSelected(std::shared_ptr<Node> node);
 
 
    private:
 
        QButtonState mButtonState = QButtonState::QBUTTON_UP;
        int          mCursorX = -1;
        int          mCursorY = -1;
        int          mtempCursorX = -1;
        // Qt
        QTimer timer;
 
        QOpenGLFramebufferObject* mFBO = nullptr;
 
        // 
        ImWindow mImWindow;
    };
 
}