remoteselector.cpp Example File

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

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

  QT_USE_NAMESPACE

  RemoteSelector::RemoteSelector(const QBluetoothAddress &localAdapter, QWidget *parent)
  :   QDialog(parent), ui(new Ui::RemoteSelector)
  {
      ui->setupUi(this);

      m_discoveryAgent = new QBluetoothServiceDiscoveryAgent(localAdapter);

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

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

  void RemoteSelector::startDiscovery(const QBluetoothUuid &uuid)
  {
      ui->status->setText(tr("Scanning..."));
      if (m_discoveryAgent->isActive())
          m_discoveryAgent->stop();

      ui->remoteDevices->clear();

      m_discoveryAgent->setUuidFilter(uuid);
      m_discoveryAgent->start(QBluetoothServiceDiscoveryAgent::FullDiscovery);

  }

  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);
      if (m_discoveryAgent->isActive())
          m_discoveryAgent->stop();

      accept();
  }

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