#include <QApplication>
#include <QTreeView>
#include <QStandardItemModel>
#include <QStyleFactory>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    a.setLayoutDirection(Qt::RightToLeft);
    a.setStyle(QStyleFactory::create("Fusion"));

    QTreeView w;
    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;
    }
    w.setModel(&model);
    w.show();

    return a.exec();
}