ui: splashscreen

displays an animated splayscreen

src/app/main.cpp

@@ -1,9 +1,14 @@
 #include <memory>
 
 #include <QApplication>
+#include <QBitmap>
+#include <QThread>
+#include <QSplashScreen>
+#include <QtWidgets/qmainwindow.h>
 
 #include "Application.h"
 #include "includes.h" // defines 'void setup(int argc, char *argv[])'
+#include "qt/element/QtSplashScreen.h"
 #include "qt/utility/utilityQt.h"
 #include "qt/view/QtViewFactory.h"
 #include "utility/logging/ConsoleLogger.h"
@@ -23,16 +28,58 @@ void init()
 	utility::loadFontsFromDirectory("data/fonts", ".otf");
 }
 
+class InitThread : public QThread
+{
+public:
+	void run(void)
+	{
+		//min Time the Splash screen is displayed
+		//QThread::msleep(1000);
+	}
+};
+
 int main(int argc, char *argv[])
 {
 	setup(argc, argv);
-
 	QApplication qtApp(argc, argv);
 
+	QPixmap whitePixmap(500,500);
+	whitePixmap.fill(Qt::white);
+
+	QPixmap p;
+	p.load("data/gui/splash_white.png");
+	QPixmap foreground = p.scaled(whitePixmap.size()*0.8);
+	p.load("data/gui/splash_blue.png");
+	QPixmap background = p.scaled(whitePixmap.size()*0.9);
+
+	QtSplashScreen* splash = new QtSplashScreen(whitePixmap, Qt::WindowStaysOnTopHint);
+	qtApp.processEvents();
+	splash->setForeground(foreground);
+	splash->setBackground(background);
+
+	splash->show();
+	splash->repaint();
+	qtApp.processEvents();
+	if (splash) splash->message( "Starting GUI" );
+	qtApp.processEvents();
+
 	init();
 
+	// Eventloop for Splashscreen
+	QEventLoop loop;
+	InitThread* initThread = new InitThread();
+	QObject::connect(initThread, SIGNAL(finished()), &loop, SLOT(quit()));
+	QObject::connect(initThread, SIGNAL(terminated()), &loop, SLOT(quit()));
+	initThread->start();
+	loop.exec();
+
 	QtViewFactory viewFactory;
 	std::shared_ptr<Application> app = Application::create(&viewFactory);
 
+	if(splash)
+	{
+		delete splash;
+	}
+
 	return qtApp.exec();
 }