void Qt4BuildConfigWidget::setupQtVersionsComboBox()
{
    if (m_buildConfiguration.isEmpty()) // not yet initialized
        return;

    disconnect(m_ui->qtVersionComboBox, SIGNAL(currentIndexChanged(QString)),
        this, SLOT(qtVersionComboBoxCurrentIndexChanged(QString)));

    m_ui->qtVersionComboBox->clear();
    m_ui->qtVersionComboBox->addItem(tr("Default Qt Version"), 0);

    if (m_pro->qtVersionId(m_buildConfiguration) == 0) {
        m_ui->qtVersionComboBox->setCurrentIndex(0);
        m_ui->invalidQtWarningLabel->setVisible(false);
    }
    // Add Qt Versions to the combo box
    QtVersionManager *vm = m_pro->qt4ProjectManager()->versionManager();
    const QList<QtVersion *> &versions = vm->versions();
    for (int i = 0; i < versions.size(); ++i) {
        m_ui->qtVersionComboBox->addItem(versions.at(i)->name(), versions.at(i)->uniqueId());

        if (versions.at(i)->uniqueId() == m_pro->qtVersionId(m_buildConfiguration)) {
            m_ui->qtVersionComboBox->setCurrentIndex(i + 1);
            m_ui->invalidQtWarningLabel->setVisible(!versions.at(i)->isValid());
        }
    }

    // And connect again
    connect(m_ui->qtVersionComboBox, SIGNAL(currentIndexChanged(QString)),
        this, SLOT(qtVersionComboBoxCurrentIndexChanged(QString)));
}
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QWidget *QtOptionsPage::createPage(QWidget *parent)
{
    QtVersionManager *vm = QtVersionManager::instance();
    m_widget = new QtOptionsPageWidget(parent, vm->versions());
    if (m_searchKeywords.isEmpty())
        m_searchKeywords = m_widget->searchKeywords();
    return m_widget;
}