#include <QtWidgets>

int main(int argc, char** argv)
{
    QApplication app(argc, argv);
    auto pushButton = new QPushButton;
    QIcon icon(QStringLiteral("lock.png"));
    pushButton->setLayoutDirection(Qt::RightToLeft);
    pushButton->setText("Test1234567890");
    pushButton->setIcon(icon);
    pushButton->show();

    return app.exec();
}