#include <QtGui>

//===========================

class MyWid2 : public QWidget
{
public:
    MyWid2(QWidget *parent = 0);
};

MyWid2::MyWid2(QWidget *parent)
    : QWidget(parent)
{
    setGeometry(600,400,300,200);
     
    QPushButton *q2 = new QPushButton(tr("exit"));
    q2->setFont(QFont("Times", 32, QFont::Bold));
    connect(q2, SIGNAL(clicked()), qApp, SLOT(quit()));
    
    QLabel *lab2=new QLabel;
    lab2->setText("lab2");
    lab2->setFont(QFont("Times", 24, QFont::Bold));
     
    QVBoxLayout *lay2 = new QVBoxLayout;
    lay2->addWidget(lab2);
    lay2->addWidget(q2);
    setLayout(lay2);
}

//=============================

class MyWid1 : public QWidget
{
public:
    MyWid1(QWidget *parent = 0);
};

MyWid1::MyWid1(QWidget *parent)
    : QWidget(parent)
{
    setGeometry(1000,200,300,200);

    QPushButton *q1 = new QPushButton(tr("Quit"));
    q1->setFont(QFont("Times", 18, QFont::Bold));

    connect(q1, SIGNAL(clicked()), qApp, SLOT(quit()));

    QLabel *lab1=new QLabel;
    lab1->setFont(QFont("Times",18,QFont::Bold));
    lab1->setText("lab1");

    QVBoxLayout *lay1 = new QVBoxLayout;
    lay1->addWidget(q1);
    lay1->addWidget(lab1);
    setLayout(lay1);
}

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    MyWid1 w1;
    MyWid2 w2;

    w1.show();
    w2.show();

    return app.exec();
}