void WidgetDataBase::grabStandardWidgetBoxIcons()
{
    // At this point, grab the default icons for the non-custom widgets from
    // the widget box. They will show up in the object inspector.
    if (const QDesignerWidgetBox *wb = qobject_cast<const QDesignerWidgetBox *>(m_core->widgetBox())) {
        const QString qWidgetClass = QLatin1String("QWidget");
        const int itemCount = count();
        for (int i = 0; i < itemCount; ++i) {
            QDesignerWidgetDataBaseItemInterface *dbItem = item(i);
            if (!dbItem->isCustom() && dbItem->icon().isNull()) {
                // Careful not to catch the layout icons when looking for
                // QWidget
                const QString name = dbItem->name();
                if (name == qWidgetClass) {
                    dbItem->setIcon(wb->iconForWidget(name, QLatin1String("Containers")));
                } else {
                    dbItem->setIcon(wb->iconForWidget(name));
                }
            }
        }
    }
}