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# client.h Example File
network/chat/client.h

     /****************************************************************************
     **
     ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 as published by the Free Software Foundation
     ** and appearing in the file LICENSE.GPL included in the packaging of
     ** this file.  Please review the following information to ensure GNU
     ** General Public Licensing requirements will be met:
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     **
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     ** review the following information:
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     #ifndef CLIENT_H
     #define CLIENT_H

     #include <QAbstractSocket>
     #include <QHash>
     #include <QHostAddress>

     #include "server.h"

     class PeerManager;

     class Client : public QObject
     {
         Q_OBJECT

     public:
         Client();

         void sendMessage(const QString &message);
         QString nickName() const;
         bool hasConnection(const QHostAddress &senderIp, int senderPort = -1) const;

     signals:
         void newMessage(const QString &from, const QString &message);
         void newParticipant(const QString &nick);
         void participantLeft(const QString &nick);

     private slots:
         void newConnection(Connection *connection);
         void connectionError(QAbstractSocket::SocketError socketError);
         void disconnected();
         void readyForUse();

     private:
         void removeConnection(Connection *connection);

         PeerManager *peerManager;
         Server server;
         QMultiHash<QHostAddress, Connection *> peers;
     };

     #endif