#include <QApplication>
#include <QTreeWidget>
#include <QVBoxLayout>
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QWidget w;
    w.resize(200, 500);
    w.setLayout(new QVBoxLayout);
    QTreeWidget tw1;
    QTreeWidget tw2;
    tw1.setColumnCount(1);
    tw2.setColumnCount(1);
    QList<QTreeWidgetItem *> items1;
    QList<QTreeWidgetItem *> items2;
    for (int i = 0; i < 10; ++i)
    {
        items1.append(new QTreeWidgetItem(&tw1,
                                         QStringList(QString("tree widget item: %1").arg(i, i*2, 10, QChar('0')))));
        items2.append(new QTreeWidgetItem(&tw2,
                                         QStringList(QString("tree widget item: %1").arg(i, i*2, 10, QChar('0')))));
    }
    tw1.insertTopLevelItems(0, items1);
    tw1.setLayoutDirection(Qt::RightToLeft);
    tw1.setTextElideMode(Qt::ElideNone);
    tw2.insertTopLevelItems(0, items2);
    tw2.setLayoutDirection(Qt::RightToLeft);
    tw2.setTextElideMode(Qt::ElideLeft);

    w.layout()->addWidget(&tw1);
    w.layout()->addWidget(&tw2);
    w.show();

    return a.exec();
}