#include <QtGui>
#include <QtCore>

#include "mainwindow.h"
#include <iostream>     // std::cout
#include <tuple>        // std::tuple, std::make_tuple, std::tuple_element, std::ge

////////////////////////////////////////////////  
// reference: https://msdn.microsoft.com/en-us/library/bb982771.aspx  
int test_tuple_3()  
{  
	typedef std::tuple<int, double, int, double> Mytuple;  

	Mytuple c0(0, 1, 2, 3);  
	// display contents " 0 1 2 3"   
	std::cout << " " << std::get<0>(c0);  
	std::cout << " " << std::get<1>(c0);  
	std::cout << " " << std::get<2>(c0);  
	std::cout << " " << std::get<3>(c0);  
	std::cout << std::endl;  

	Mytuple c1;  
	c1 = c0;  
	// display contents " 0 1 2 3"   
	std::cout << " " << std::get<0>(c1);  
	std::cout << " " << std::get<1>(c1);  
	std::cout << " " << std::get<2>(c1);  
	std::cout << " " << std::get<3>(c1);  
	std::cout << std::endl;  

	std::tuple<char, int> c2(std::make_pair('x', 4));  
	// display contents " x 4"   
	std::cout << " " << std::get<0>(c2);  
	std::cout << " " << std::get<1>(c2);  
	std::cout << std::endl;  

	Mytuple c3(c0);  
	// display contents " 0 1 2 3"   
	std::cout << " " << std::get<0>(c3);  
	std::cout << " " << std::get<1>(c3);  
	std::cout << " " << std::get<2>(c3);  
	std::cout << " " << std::get<3>(c3);  
	std::cout << std::endl;  

	typedef std::tuple<int, float, int, float> Mytuple2;  

	Mytuple c4(Mytuple2(4, 5, 6, 7));  
	// display contents " 4 5 6 7"   
	std::cout << " " << std::get<0>(c4);  
	std::cout << " " << std::get<1>(c4);  
	std::cout << " " << std::get<2>(c4);  
	std::cout << " " << std::get<3>(c4);  
	std::cout << std::endl;  

	return (0);  
}  

int main(int argc, char* argv[])
{

	/*auto mytuple = std::make_tuple (10,'a');

	std::tuple_element<0,decltype(mytuple)>::type first = std::get<0>(mytuple);
	std::tuple_element<1,decltype(mytuple)>::type second = std::get<1>(mytuple);

	std::cout << "mytuple contains: " << first << " and " << second << '\n';*/

	test_tuple_3();


    QApplication app(argc, argv);
    QTextCodec *codec=QTextCodec::codecForName("gb2312");
    QTextCodec::setCodecForTr(codec);
    QTextCodec::setCodecForLocale(codec);
    QTextCodec::setCodecForCStrings(codec);
	QTranslator translator;
	{
		QStringList environment = QProcess::systemEnvironment();
		QString str;
		bool bFinded = false;
		foreach(str, environment) {
			if(str.startsWith("QTDIR="))
			{
				bFinded = true;
				break;	
			}
		}		
		if(bFinded)
		{
			str = str.mid(6);
			bFinded = translator.load("qt_" + QLocale::system().name(), 
							str.append("/translations/"));
			if(bFinded)
				qApp->installTranslator(&translator);
			else
				qDebug() << QObject::tr("没有支持中文的Qt国际化翻译文件！");
		}
		else {
			qDebug() << QObject::tr(" 必须设置 QTDIR 环境变量！");
			exit(1);
		}
	}
	

    Q_INIT_RESOURCE(CovAnalysisTool);
    CMainWindow mainWindow;

	return app.exec();	
}