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#include <QtGui>

#include <QApplication>

class Widget : public QWidget

{

public:

    Widget(QWidget *parentWidget = 0);

};

Widget::Widget(QWidget *parentWidget)

    : QWidget(parentWidget)

{

    QStandardItemModel *model = new QStandardItemModel();

    QModelIndex parent;

    for (int i = 0; i < 4; ++i) {

        parent = model->index(0, 0, parent);

        model->insertRows(0, 1, parent);

        model->insertColumns(0, 1, parent);

        QModelIndex index = model->index(0, 0, parent);

        model->setData(index, i);

    }

}

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

{

    QApplication app(argc, argv);

    Widget widget;

    widget.show();

    return app.exec();

}