added Qt Example, next change it to fit my project

QtMeshViewer/Header/OglViewerWidget.h

@@ -0,0 +1,50 @@
+#pragma once
+
+#include "geometryengine.h"
+
+#include <QOpenGLWidget>
+#include <QOpenGLFunctions>
+#include <QMatrix4x4>
+#include <QQuaternion>
+#include <QVector2D>
+#include <QBasicTimer>
+#include <QOpenGLShaderProgram>
+#include <QOpenGLTexture>
+
+class GeometryEngine;
+
+class OglViewerWidget : public QOpenGLWidget, protected QOpenGLFunctions
+{
+	Q_OBJECT
+
+public:
+	explicit OglViewerWidget(QWidget *parent = 0);
+	~OglViewerWidget();
+
+protected:
+	void mousePressEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
+	void mouseReleaseEvent(QMouseEvent *e) Q_DECL_OVERRIDE;
+	void timerEvent(QTimerEvent *e) Q_DECL_OVERRIDE;
+
+	void initializeGL() Q_DECL_OVERRIDE;
+	void resizeGL(int w, int h) Q_DECL_OVERRIDE;
+	void paintGL() Q_DECL_OVERRIDE;
+
+	void initShaders();
+	void initTextures();
+
+private:
+	QBasicTimer timer;
+	QOpenGLShaderProgram program;
+	GeometryEngine *geometries;
+
+	QOpenGLTexture *texture;
+
+	QMatrix4x4 projection;
+
+	QVector2D mousePressPosition;
+	QVector3D rotationAxis;
+	qreal angularSpeed;
+	QQuaternion rotation;
+};
+