- Qt 5.5
- Qt Bluetooth
- Bluetooth Chat Example
- chatclient.cpp Example File
- Qt 5.5.1 Reference Documentation

# chatclient.cpp Example File

btchat/chatclient.cpp

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the QtBluetooth module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
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    #include "chatclient.h"

    #include <qbluetoothsocket.h>

    ChatClient::ChatClient(QObject *parent)
    :   QObject(parent), socket(0)
    {
    }

    ChatClient::~ChatClient()
    {
        stopClient();
    }

    void ChatClient::startClient(const QBluetoothServiceInfo &remoteService)
    {
        if (socket)
            return;

        // Connect to service
        socket = new QBluetoothSocket(QBluetoothServiceInfo::RfcommProtocol);
        qDebug() << "Create socket";
        socket->connectToService(remoteService);
        qDebug() << "ConnectToService done";

        connect(socket, SIGNAL(readyRead()), this, SLOT(readSocket()));
        connect(socket, SIGNAL(connected()), this, SLOT(connected()));
        connect(socket, SIGNAL(disconnected()), this, SIGNAL(disconnected()));
    }

    void ChatClient::stopClient()
    {
        delete socket;
        socket = 0;
    }

    void ChatClient::readSocket()
    {
        if (!socket)
            return;

        while (socket->canReadLine()) {
            QByteArray line = socket->readLine();
            emit messageReceived(socket->peerName(),
                                 QString::fromUtf8(line.constData(), line.length()));
        }
    }

    void ChatClient::sendMessage(const QString &message)
    {
        QByteArray text = message.toUtf8() + '\n';
        socket->write(text);
    }

    void ChatClient::connected()
    {
        emit connected(socket->peerName());
    }