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remoteselector.cpp Example File

btchat/remoteselector.cpp
 /****************************************************************************
 **
 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/
 **
 ** 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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 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
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 **     permission.
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 ****************************************************************************/

 #include "remoteselector.h"
 #include "ui_remoteselector.h"

 #include <qbluetoothdeviceinfo.h>
 #include <qbluetoothaddress.h>

 QTBLUETOOTH_USE_NAMESPACE

 RemoteSelector::RemoteSelector(QWidget *parent)
 :   QDialog(parent), ui(new Ui::RemoteSelector),
     m_discoveryAgent(new QBluetoothServiceDiscoveryAgent)
 {
     ui->setupUi(this);

 #if defined(Q_OS_WINCE) || defined(Q_WS_MAEMO_6)
     setWindowState(Qt::WindowFullScreen);
 #endif

     connect(m_discoveryAgent, SIGNAL(serviceDiscovered(QBluetoothServiceInfo)),
             this, SLOT(serviceDiscovered(QBluetoothServiceInfo)));
     connect(m_discoveryAgent, SIGNAL(finished()), this, SLOT(discoveryFinished()));
 }

 RemoteSelector::~RemoteSelector()
 {
     delete ui;
 }

 void RemoteSelector::startDiscovery(const QBluetoothUuid &uuid)
 {
     if (m_discoveryAgent->isActive())
         m_discoveryAgent->stop();

     ui->remoteDevices->clear();

     m_discoveryAgent->setUuidFilter(uuid);
     m_discoveryAgent->start();

     ui->status->setText(tr("Scanning..."));
 }

 void RemoteSelector::stopDiscovery()
 {
     if (m_discoveryAgent){
         m_discoveryAgent->stop();
     }
 }

 QBluetoothServiceInfo RemoteSelector::service() const
 {
     return m_service;
 }

 void RemoteSelector::serviceDiscovered(const QBluetoothServiceInfo &serviceInfo)
 {
 #if 0
     qDebug() << "Discovered service on"
              << serviceInfo.device().name() << serviceInfo.device().address().toString();
     qDebug() << "\tService name:" << serviceInfo.serviceName();
     qDebug() << "\tDescription:"
              << serviceInfo.attribute(QBluetoothServiceInfo::ServiceDescription).toString();
     qDebug() << "\tProvider:"
              << serviceInfo.attribute(QBluetoothServiceInfo::ServiceProvider).toString();
     qDebug() << "\tL2CAP protocol service multiplexer:"
              << serviceInfo.protocolServiceMultiplexer();
     qDebug() << "\tRFCOMM server channel:" << serviceInfo.serverChannel();
 #endif
     QMapIterator<QListWidgetItem *, QBluetoothServiceInfo> i(m_discoveredServices);
     while (i.hasNext()){
         i.next();
         if (serviceInfo.device().address() == i.value().device().address()){
             return;
         }
     }

     QString remoteName;
     if (serviceInfo.device().name().isEmpty())
         remoteName = serviceInfo.device().address().toString();
     else
         remoteName = serviceInfo.device().name();

     QListWidgetItem *item =
         new QListWidgetItem(QString::fromLatin1("%1 %2").arg(remoteName,
                                                              serviceInfo.serviceName()));

     m_discoveredServices.insert(item, serviceInfo);
     ui->remoteDevices->addItem(item);
 }

 void RemoteSelector::discoveryFinished()
 {
     ui->status->setText(tr("Select the chat service to connect to."));
 }

 void RemoteSelector::on_remoteDevices_itemActivated(QListWidgetItem *item)
 {
     qDebug() << "got click" << item->text();
     m_service = m_discoveredServices.value(item);

     accept();
 }

 void RemoteSelector::on_cancelButton_clicked()
 {
     reject();
 }
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