text in FileInfoWindow can be marked and copied,

code cleaning

QtMeshViewer/Header/GeometryEngine.h

@@ -1,11 +1,11 @@
 #pragma once
-#include "..\Header\FileInterface.h"
 #include <QObject>
 #include <QOpenGLFunctions>
 #include <QOpenGLShaderProgram>
 #include <QOpenGLBuffer>
-#include <QOpenGLTexture>
 #include <QVector>
+#include "FileInterface.h"
+
 
 struct DrawInformation {
 	unsigned int offset;
@@ -22,20 +22,28 @@ public:
 	GeometryEngine(QObject *parent = Q_NULLPTR);
 	virtual ~GeometryEngine();
 
+// attributes
 private:
 	QOpenGLBuffer m_arrayBuf;
 	QOpenGLBuffer m_indexBuf;
 	QVector<Material>* m_materials = Q_NULLPTR;
-	QVector<DrawInformation> m_drawList;
-	BoundingBox m_boundings;
 	Material* m_defaultMaterial;
+	BoundingBox m_boundings;
+	QVector<DrawInformation> m_drawList;
 
+// functions
+private:
 	void clearData();
 
-public slots:
-	void loadFile(QString filePath);
+public:
 	void drawGeometry(QOpenGLShaderProgram *program, bool wireframe);
 
+// slots
+public slots:
+	void loadFile(QString filePath);
+	
+
+// signals
 signals:
 	void requestResetView();
 	void sendMessage(QString message, int severity);