/*! \brief Save the positions of Peer Widgets
 *
 * Save the positions of all Peer Widgets to the settings.
 */
void XletSwitchBoard::savePositions() const
{
    // qDebug() << Q_FUNC_INFO << m_peerhash.count();
    QSettings * settings = b_engine->getSettings();
    settings->beginGroup("layout");
    QHashIterator<QString, PeerItem *> it(m_peerhash);
    while (it.hasNext()) {
        it.next();
        const QString userid = it.key();
        PeerItem *peeritem = it.value();
        if (peeritem->getWidget()) {
            settings->setValue(userid,
                               m_layout->getItemPosition(peeritem->getWidget()));
        } else {
            settings->remove(userid);
        }
    }

    settings->beginWriteArray("externalphone");
    int i, index = 0;
    for (i=0;i<m_layout->count();i++) {
        QLayoutItem *item = m_layout->itemAt(i);
        if ((item) && (item->widget()) &&
            ((item->widget()->inherits("ExternalPhonePeerWidget")) ||
             (item->widget()->inherits("DetailedExternalPhonePeerWidget")))) {
            BasePeerWidget *w = static_cast<BasePeerWidget *>(item->widget());
            settings->setArrayIndex(index++);
            settings->setValue("position", m_layout->getItemPosition(w));
            settings->setValue("name", w->name());
            settings->setValue("number", w->number());
        }
    }
    settings->endArray();
    settings->endGroup();
}