main Qt

#include "mainwindow.h"
#include "boton.h"
#include <QApplication>
#include <iostream>
#include <QGridLayout>
using namespace std;
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QGridLayout *Malla=new QGridLayout;
    QWidget *ventana=new QWidget;
    boton boton_nuevo[14];
    for(int i=0;i<14;i++)
    {
        if(i<7)
            Malla->addWidget(&boton_nuevo[i],0,i);
        else
            Malla->addWidget(&boton_nuevo[i],1,i-7);
    }
    ventana->setLayout(Malla);
    ventana->resize(500,500);
    ventana->show();

    return a.exec();
}