openglwindow.h

#ifndef OPENGLWINDOW_H
#define OPENGLWINDOW_H


#include <QtGui/QWindow>
#include <QtGui/QOpenGLFunctions_3_2_Core>


class QPainter;
class QOpenGLContext;
class QOpenGLPaintDevice;


//! [1]
class OpenGLWindow : public QWindow, protected QOpenGLFunctions_3_2_Core
{
Q_OBJECT
public:
explicit OpenGLWindow(QWindow *parent = 0);
~OpenGLWindow();

virtual void render(QPainter *painter);
virtual void render();

virtual void initialize();

void setAnimating(bool animating);

public slots:
void renderLater();
void renderNow();

protected:
bool event(QEvent *event) Q_DECL_OVERRIDE;

void exposeEvent(QExposeEvent *event) Q_DECL_OVERRIDE;

private:
bool m_update_pending;
bool m_animating;

QOpenGLContext *m_context;
QOpenGLPaintDevice *m_paint_device;
};
//! [1]

#endif // OPENGLWINDOW_H