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Source code

#ifndef FINALCOUNTDOWN_H
#define FINALCOUNTDOWN_H

#include <QThread>
#include <QVector>
#include "figure.h"
#include "stopWatch.h"

class finalCountDown : public QThread
{
private :
	int numYear;
	int numMonth;
	int numDay;
	int lifeExpectancy;
	int dayAmount;
	int hourAmount;
	int minuteAmount;
	int secondAmount;
	stopWatch* chrono;
	
public:
	finalCountDown(int,int,int,int);
	void run();
	void meltVector(QVector<figure*>&,QVector<figure*>&);
	void showVector(QVector<figure*>&);
	
};

#endif

Source code

#include <QDateTime>
#include "finalCountDown.h"

finalCountDown :: finalCountDown(int _numYear,int _numMonth,int _numDay,int _lifeExpectancy)
{
	this->numYear =_numYear;
	this->numMonth = _numMonth;
	this->numDay = _numDay;
	this->lifeExpectancy = _lifeExpectancy;
}

void finalCountDown :: run()
{	
	QDateTime now = QDateTime::currentDateTime();
	QDateTime toDeath (QDate(numYear+lifeExpectancy,numMonth,numDay),QTime(0,0));
	long nowToDeath = (long)now.secsTo(toDeath);
	
	figure secondAmount(nowToDeath%86400%3600%60);
	figure minuteAmount((nowToDeath%86400)%3600/60);
	figure hourAmount((nowToDeath%86400)/3600);
	figure dayAmount(nowToDeath/86400);
	
	QVector<figure*> countDown = secondAmount.toVector(1);
	QVector<figure*> minuteInVector = minuteAmount.toVector(1);
	QVector<figure*> hourInVector = hourAmount.toVector(2);
	QVector<figure*> dayInVector = dayAmount.toVector(7);

	meltVector(countDown,minuteInVector);
	meltVector(countDown,hourInVector);
	meltVector(countDown,dayInVector);

	chrono = new stopWatch(countDown);
	chrono->show();
	chrono->untilDeath();//when I comment this line I can see the window but If I uncomment it, I can't
}

void finalCountDown :: meltVector(QVector<figure*>& vectorMelted,QVector<figure*>& vectorToMelt)
{
	int vectorMeltedSize = vectorMelted.size();
	int vectorToMeltSize = vectorToMelt.size();
	for(int i= 0; i < vectorToMeltSize;i++)
		vectorMelted.insert(vectorMeltedSize+i,vectorToMelt[i]);

}

void finalCountDown :: showVector(QVector<figure*>& vector)
{
	for(int i = 0;i < vector.size();i++)
		vector[i]->show();
}

Source code

#ifndef STOPWATCH_H
#define STOPWATCH_H

#include <QWidget>
#include <QtGui>
#include <QVector>
#include <QLabel>
#include "figure.h"

class QPushButton;
class QGridLayout;
class QLabel;

class stopWatch : public QWidget
{
	private : 
		QVector<figure*> untilTheEnd;
		QVector<QLabel*> figureOnScreen;
		bool stopCountDown;
		QPushButton* toStopCountDown;
		QGridLayout* layout;
	public :
		stopWatch(QVector<figure*>&);
		void initVal(QVector<figure*>&);
		void buildWindow();
		void buildBody();
		void untilDeath();
		void showVector();
};

#endif

Source code

#include "stopWatch.h"


stopWatch :: stopWatch(QVector<figure*>& _untilTheEnd)
{
	initVal(_untilTheEnd);
	buildWindow();
	//showVector();
	//untilDeath();
}

void stopWatch :: buildWindow()
{
	buildBody();
	setFixedSize(350,75);
	setWindowTitle(QString :: fromUtf8("Jusqu'à votre mort..."));
}

void stopWatch :: buildBody()
{
	layout = new QGridLayout();
	int size = this->untilTheEnd.size();
	this->figureOnScreen = QVector<QLabel*>(size);
	for(int i= 0;i < size;i++)
	{
		QString qStr = QString::number(this->untilTheEnd[i]->getNb());
		this->figureOnScreen[i] = new QLabel(qStr,this);
		layout->addWidget(this->figureOnScreen[i],0,size-i);
	}
	toStopCountDown = new QPushButton("Stop");
	layout->addWidget(toStopCountDown,1,0,1,3);
	setLayout(layout);
}

void stopWatch :: initVal(QVector<figure*>& _untilTheEnd)
{
	this->stopCountDown = false;
	this->untilTheEnd = _untilTheEnd;
}

void stopWatch :: untilDeath()
{
	bool noChange = true;
	int j = 0;
	int size = this->untilTheEnd.size();
	int i = 0;
	while(!stopCountDown)
	{
		
		while(i < size && noChange)
		{
			int previousValue = untilTheEnd[i]->getNb();
			(*(this->untilTheEnd[i])) = (*(this->untilTheEnd[i])) -1;
			int actualValue = this->untilTheEnd[i]->getNb();
			QString qStr = QString::number(actualValue);
			this->figureOnScreen[i]->setText(qStr);
			if(abs(previousValue - actualValue) >1)
				noChange = true;
			else
				noChange = false;
			i++;
		}
		i = 0,noChange = true;
		sleep(1);
		qDebug("i : %d",i);
		showVector();
		j++;
	}
}

void stopWatch :: showVector()
{
	for(int i = 0;i < (this->untilTheEnd).size();i++)
		this->untilTheEnd[i]->show();
}