QTreeWidgetItem select different rows?

[SirJonas]

Hello i will have QList of my accounts and QTreeWidgetItem with the items of each account, my contact. However i can only select one contact, exists some way to select more number of contact's, not only one?
code:

QList<QTreeWidgetItem*> listaItems;
    int i,j;
    QTreeWidgetItem *item = new QTreeWidgetItem();
    QStringList contactos = cliente.rosterManager().getRosterBareJids();
    for(i=0;i<contactos.length();i++)
    {
        item->setText(0,contactos[i]);
        QStringList recursos = cliente.rosterManager().getResources(contactos[i]);
        QIcon online;
        online.addFile(":/icons/user-offline.png");
        item->setIcon(0,online);
        for(j=0;j<recursos.length();j++)
        {
            item->addChild(new QTreeWidgetItem());
            item->child(j)->setText(0,recursos[j]);
            online.addFile(":/icons/user-online.png");
            item->setIcon(0,online);
            item->child(j)->setIcon(0,online);
            listaItems.append(item);
 
        }
        ui->arbolConectados->addTopLevelItems(listaItems);
    }

QList<QTreeWidgetItem*> listaItems;
    int i,j;
    QTreeWidgetItem *item = new QTreeWidgetItem();
    QStringList contactos = cliente.rosterManager().getRosterBareJids();
    for(i=0;i<contactos.length();i++)
    {
        item->setText(0,contactos[i]);
        QStringList recursos = cliente.rosterManager().getResources(contactos[i]);
        QIcon online;
        online.addFile(":/icons/user-offline.png");
        item->setIcon(0,online);
        for(j=0;j<recursos.length();j++)
        {
            item->addChild(new QTreeWidgetItem());
            item->child(j)->setText(0,recursos[j]);
            online.addFile(":/icons/user-online.png");
            item->setIcon(0,online);
            item->child(j)->setIcon(0,online);
            listaItems.append(item);

        }
        ui->arbolConectados->addTopLevelItems(listaItems);
    }

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