sendMessage via signal plot from file to window,

add severity to messages (black, yellow, red),
add about text,
removed unused texture from resource

QtMeshViewer/Source/GeometryEngine.cpp

@@ -1,13 +1,16 @@
 #include "..\Header\GeometryEngine.h"
 #include "..\Header\MshFile.h"
+#include "..\Header\OglViewerWidget.h"
+#include "..\Header\MainWindow.h"
 #include <cmath>
 
 
 /////////////////////////////////////////////////////////////////////////
 // public constructor/destructor
 
-GeometryEngine::GeometryEngine()
-	: m_indexBuf(QOpenGLBuffer::IndexBuffer)
+GeometryEngine::GeometryEngine(QObject *parent)
+	: QObject(parent)
+	, m_indexBuf(QOpenGLBuffer::IndexBuffer)
 {
 	initializeOpenGLFunctions();
 }
@@ -30,6 +33,7 @@ void GeometryEngine::loadFile(const char* filePath)
 
 	//reset view
 	emit requestResetView();
+	emit sendMessage("loading file..", 0);
 
 	try
 	{
@@ -41,7 +45,8 @@ void GeometryEngine::loadFile(const char* filePath)
 		QVector<GLuint> indexData;
 
 		// open file and get the information
-		MshFile file(filePath);
+		MshFile file(filePath, this);
+
 		models = file.getModels();
 		textureNames = file.getTextureNames();
 		m_boundings = file.getBoundingBox();
@@ -91,18 +96,18 @@ void GeometryEngine::loadFile(const char* filePath)
 		while (path.back() != '/' && path.back() != '\\')
 			path.pop_back();
 
+		emit sendMessage("loading textures..", 0);
 		// load the textures
 		for(auto& it : *textureNames)
 			loadTexture(std::string(path + it).c_str());
 
+		emit requestUpdate();
+		emit sendMessage("done..", 0);
 	}
 	catch (std::invalid_argument e)
 	{
-		//TODO: make a cool message box
-		auto msg = e.what();
+		emit sendMessage(QString(e.what()), 2);
 	}
-
-	
 }
 
 void GeometryEngine::loadTexture(const char* filePath)
@@ -201,3 +206,4 @@ void GeometryEngine::drawGeometry(QOpenGLShaderProgram *program)
 		glDrawElements(GL_TRIANGLES, it.size, GL_UNSIGNED_INT, (void*)(it.offset * sizeof(GLuint)));
 	}
 }
+