add exe icon,

signal-slot for openFile,
resetView on openFile,
cleanup when open a new file,
triangulate quad poly now correctly, more not working, bug from previous version,
next:
fix 5,6,.. triangulation,
triClothMan, IC Helmet, still buggy,

QtMeshViewer/Header/GeometryEngine.h

@@ -1,5 +1,6 @@
 #pragma once
 #include "..\Header\FileInterface.h"
+#include <QObject>
 #include <QOpenGLFunctions>
 #include <QOpenGLShaderProgram>
 #include <QOpenGLBuffer>
@@ -13,8 +14,10 @@ struct DrawInformation {
 	QMatrix4x4 modelMatrix;
 };
 
-class GeometryEngine : protected QOpenGLFunctions
+class GeometryEngine : public QObject, protected QOpenGLFunctions
 {
+	Q_OBJECT
+
 public:
 	GeometryEngine();
 	virtual ~GeometryEngine();
@@ -26,9 +29,14 @@ private:
 	QVector<DrawInformation> m_drawList;
 
 	void loadTexture(const char* filePath);
+	void clearData();
 
-public:
+public slots:
 	void loadFile(const char* filePath);
 	void drawGeometry(QOpenGLShaderProgram *program);
+
+signals:
+	void requestResetView();
+
 };
 

QtMeshViewer/Header/MainWindow.h

@@ -19,4 +19,6 @@ private slots:
 	void aboutFile();
 	void aboutTool();
 
+signals:
+	void loadFile(const char*);
 };

QtMeshViewer/Header/OglViewerWidget.h

@@ -50,9 +50,7 @@ protected:
 private:
 	void initShaders();
 
-public:
-	void openFile(const char* filePath);
-
-
+private slots:
+	void resetView();
 };