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// stdlib
#include <iostream>

// Qt
#include <QtGui/QApplication>
#include <QtGui/QLabel>
#include <QtGui/QPixmap>

// boost
// Really really really [...] really really important define!:
#define BOOST_THREAD_USE_LIB
#include <boost/thread.hpp>

#include <windows.h>

/**
 * Splashscreen-Klasse, die alle nötigen Schritte zum öffnen eines Splashscreens übernimmt.
 */
class Splashscreen
{
private:
	QApplication* app;

	QLabel* mainWindow;
	QPixmap* image;

	boost::thread* thread;

	// Anwendungsparameter
	int argc;
	char** argv;
public:
	// Konstruktor
	Splashscreen(int argc, char** argv)
		: app(0),
		  mainWindow(0),
		  image(0),
		  thread(0),
		  argc(argc),
		  argv(argv)
	{}
	// Destruktor
	~Splashscreen()
	{
		close();
	}

	// Splashscreen öffnen
	void open()
	{
		if(thread == 0)
			thread = new boost::thread(&Splashscreen::processingQueue, this);
	}
	// Splashscreen schließen
	void close()
	{
		if(thread != 0)
		{
			// QApplication irgendwie beenden :(
			app->quit();
			delete thread;
		}
	}

	// Thread-Funktion
	void processingQueue()
	{
		app = new QApplication(argc, argv);

		image = new QPixmap("D:\\splash.png");

		mainWindow = new QLabel();
		mainWindow->setPixmap(*image);
		mainWindow->show();

		app->exec();
	}

private:
	// Kopierkonstruktor. Sollte niemals aufgerufen werden, aber muss dem Compiler zu liebe implementiert werden.
	Splashscreen(Splashscreen const& copy)
	{
		new (this) Splashscreen(0, 0);
	}
};

int main(int argc, char** argv)
{
	Splashscreen* mySplash = new Splashscreen(argc, argv);

	std::cout << "Gestartet!\n";
	Sleep(2500);

	std::cout << "Oeffne Splashscreen!\n";
	mySplash->open();
	Sleep(2500);

	std::cout << "Schliesse Splashscreen!\n";
	mySplash->close();
	Sleep(2500);

	std::cout << "Fertig!";

	return 0;
}