FenCalculatrice::FenCalculatrice(QDialog *parent) : QDialog(parent)
{//QWidget
    ui.setupUi(this);
    socket = new QTcpSocket(this);
    connect(socket, SIGNAL(readyRead()), this, SLOT(donneesRecues()));
    connect(socket, SIGNAL(connected()), this, SLOT(connecte()));
    connect(socket, SIGNAL(disconnected()), this, SLOT(deconnecte()));
      connect(ui.BTN_Connect, SIGNAL(clicked()), this, SLOT(on_boutonConnexion_clicked()));
connect(ui.BTN_envoyer, SIGNAL(clicked()), this, SLOT(on_boutonEnvoyer_clicked()));
 tailleMessage=0;
    ui.listeMessages->append("<em>ERREUR : </em>");
}
void FenCalculatrice::on_boutonEnvoyer_clicked()
{
    QByteArray paquet;
    QDataStream out(&paquet, QIODevice::WriteOnly);

    // On prépare le paquet à envoyer
    QString messageAEnvoyer = "<strong>Miaou</strong>";

    out << (quint16) 0;
    out << messageAEnvoyer;
    out.device()->seek(0);
    out << (quint16) (paquet.size() - sizeof(quint16));

    socket->write(paquet); // On envoie le paquet


}