if (бла-ьла-ьла)
        {
            in >> receive_text;
            qDebug ()<< "Text = "<<receive_text;
            emit send_text(receive_text);
        }

Client *qw = new Client(set_net.Address , set_net.port  , key_w) ;
            connect(qw,SIGNAL(send_text(QString)),this,SLOT(view_receive_text(QString)));