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//! [0]
QStandardItemModel model(4, 4);
for (int row = 0; row < 4; ++row) {
    for (int column = 0; column < 4; ++column) {
        QStandardItem *item = new QStandardItem(QString("row %0, column %1").arg(row).arg(column));
        model.setItem(row, column, item);
    }
}
//! [0]


//! [1]
QStandardItemModel model;
QStandardItem *parentItem = model.invisibleRootItem();
for (int i = 0; i < 4; ++i) {
    QStandardItem *item = new QStandardItem(QString("item %0").arg(i));
    parentItem->appendRow(item);
    parentItem = item;
}
//! [1]


//! [2]
QTreeView *treeView = new QTreeView(this);
treeView->setModel(myStandardItemModel);
connect(treeView, SIGNAL(clicked(QModelIndex)),
        this, SLOT(clicked(QModelIndex)));
//! [2]


//! [3]
void MyWidget::clicked(const QModelIndex &index)
{
    QStandardItem *item = myStandardItemModel->itemFromIndex(index);
    // Do stuff with the item ...
}
//! [3]


//! [4]
treeView->scrollTo(item->index());
//! [4]