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50
51#include "chatclient.h"
52
53#include <QtCore/qmetaobject.h>
54
55ChatClient::ChatClient(QObject *parent)
56 : QObject(parent)
57{
58}
59
60ChatClient::~ChatClient()
61{
62 stopClient();
63}
64
65//! [startClient]
66void ChatClient::startClient(const QBluetoothServiceInfo &remoteService)
67{
68 if (socket)
69 return;
70
71 // Connect to service
72 socket = new QBluetoothSocket(QBluetoothServiceInfo::RfcommProtocol);
73 qDebug() << "Create socket";
74 socket->connectToService(service: remoteService);
75 qDebug() << "ConnectToService done";
76
77 connect(sender: socket, signal: &QBluetoothSocket::readyRead, receiver: this, slot: &ChatClient::readSocket);
78 connect(sender: socket, signal: &QBluetoothSocket::connected, receiver: this, slot: QOverload<>::of(ptr: &ChatClient::connected));
79 connect(sender: socket, signal: &QBluetoothSocket::disconnected, receiver: this, slot: &ChatClient::disconnected);
80 connect(sender: socket, signal: QOverload<QBluetoothSocket::SocketError>::of(ptr: &QBluetoothSocket::error),
81 receiver: this, slot: &ChatClient::onSocketErrorOccurred);
82
83}
84//! [startClient]
85
86//! [stopClient]
87void ChatClient::stopClient()
88{
89 delete socket;
90 socket = nullptr;
91}
92//! [stopClient]
93
94//! [readSocket]
95void ChatClient::readSocket()
96{
97 if (!socket)
98 return;
99
100 while (socket->canReadLine()) {
101 QByteArray line = socket->readLine();
102 emit messageReceived(sender: socket->peerName(),
103 message: QString::fromUtf8(str: line.constData(), size: line.length()));
104 }
105}
106//! [readSocket]
107
108//! [sendMessage]
109void ChatClient::sendMessage(const QString &message)
110{
111 QByteArray text = message.toUtf8() + '\n';
112 socket->write(data: text);
113}
114//! [sendMessage]
115
116void ChatClient::onSocketErrorOccurred(QBluetoothSocket::SocketError error)
117{
118 if (error == QBluetoothSocket::NoSocketError)
119 return;
120
121 QMetaEnum metaEnum = QMetaEnum::fromType<QBluetoothSocket::SocketError>();
122 QString errorString = socket->peerName() + QLatin1Char(' ')
123 + metaEnum.valueToKey(value: error) + QLatin1String(" occurred");
124
125 emit socketErrorOccurred(errorString);
126}
127
128//! [connected]
129void ChatClient::connected()
130{
131 emit connected(name: socket->peerName());
132}
133//! [connected]
134

source code of qtconnectivity/examples/bluetooth/btchat/chatclient.cpp