use QCoreApplication for commandline parsing and use QApplication

afterwards to prevent setting the default SurfaceFormat multiple times

OpenFlipper.cc

@@ -463,11 +463,30 @@ int main(int argc, char **argv)
     QApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
 #endif
     QApplication::setColorSpec( QApplication::CustomColor );
-    QApplication app(argc,argv);
+	// initialize a core application to check for commandline parameters
+    QCoreApplication* coreApp = new QCoreApplication(argc,argv);
+
+	// parse command line options
+	switch (parseCommandLine(parser, &errorMessage)) {
+	case CommandLineOk:
+		break;
+	case CommandLineError:
+		fputs(qPrintable(errorMessage), stderr);
+		fputs("\n\n", stderr);
+		fputs(qPrintable(parser.helpText()), stderr);
+		return 1;
+	case CommandLineVersionRequested:
+		printf("%s %s\n", qPrintable(QCoreApplication::applicationName()),
+			qPrintable(QCoreApplication::applicationVersion()));
+		return 0;
+	case CommandLineHelpRequested:
+		parser.showHelp();
+		Q_UNREACHABLE();
+	}
 
 #if QT_VERSION >= 0x050500
     
-    QSurfaceFormat format = QSurfaceFormat::defaultFormat();
+	QSurfaceFormat format;
     format.setVersion(4, 4);
 
 
@@ -481,6 +500,11 @@ int main(int argc, char **argv)
 
 
     QSurfaceFormat::setDefaultFormat(format);
+	
+	// only one application is allowed so delete the core application
+	// once cmdline parsing is done
+	delete coreApp;
+	QApplication app(argc, argv);
 
     QScreen *screen = app.primaryScreen();
 
@@ -511,25 +535,6 @@ int main(int argc, char **argv)
     // create core ( this also reads the ini files )
     Core * w = new Core( );
 
-
-    switch (parseCommandLine(parser, &errorMessage)) {
-      case CommandLineOk:
-        break;
-      case CommandLineError:
-        fputs(qPrintable(errorMessage), stderr);
-        fputs("\n\n", stderr);
-        fputs(qPrintable(parser.helpText()), stderr);
-        delete w;
-        return 1;
-      case CommandLineVersionRequested:
-        printf("%s %s\n", qPrintable(QCoreApplication::applicationName()),
-            qPrintable(QCoreApplication::applicationVersion()));
-        return 0;
-      case CommandLineHelpRequested:
-        parser.showHelp();
-        Q_UNREACHABLE();
-    }
-
     QString tLang = OpenFlipperSettings().value("Core/Language/Translation","en_US").toString();
 
     if (tLang == "locale")

widgets/coreWidget/CoreWidget.cc

@@ -223,7 +223,6 @@ CoreWidget( QVector<ViewMode*>& _viewModes,
   format.setStencil(true);
   format.setSampleBuffers(true);
 #endif
-  OFGLFormat::setDefaultFormat(format);
 
   // Construct GL context & widget
   baseLayout_ = new QtMultiViewLayout;
@@ -244,7 +243,6 @@ CoreWidget( QVector<ViewMode*>& _viewModes,
   if ( ! test->format().stereo() ) {
     //     std::cerr << "No stereo ... disabling stereo for real context!" << std::endl;
     format.setStereo(false);
-    OFGLFormat::setDefaultFormat(format);
   }/* else {
     std::cerr << "Stereo found ok" << std::endl;
   }*/