C++ setConnected函数代码示例

void REIXSXESMCPDetector::onControlsConnected(bool connected){
	if(connected)
		setConnected(connected);
	else
		setConnected(false);

	if(connected)
		setReadyForAcquisition();
	else if(!isNotReadyForAcquisition())
		setNotReadyForAcquisition();
}

void
LNetworkConnectionMonitor::onStateChange( uint newState )
{
    qDebug() << "Networkmanager state change!";
    
    if ( newState == Disconnected )
    {
       setConnected( false );
    }
    else if ( newState == Connected )
    {
       setConnected( true );
    }
}

void
lastfm::LNetworkConnectionMonitor::onStateChange( uint newState )
{
    qDebug() << "Networkmanager state change!";

    if ( newState == NM_STATE_DISCONNECTED || newState == NM_STATE_ASLEEP )
    {
       setConnected( false );
    }
    else if ( newState == NM_STATE_CONNECTED_GLOBAL )
    {
       setConnected( true );
    }
}

void CDatabaseItem::init(const QString &dbname)
{
#ifdef DEBUG
  qDebug("CDatabaseItem::init('%s')", debug_string(dbname));
#endif

  setText(0,dbname);
  setDatabaseName(dbname);
  widgetData.setAutoDelete(true);
  if (databaseDisconnectedIcon.isNull())
    databaseDisconnectedIcon = getPixmapIcon("databaseDisconnectedIcon");

  if (databaseConnectedIcon.isNull())
    databaseConnectedIcon = getPixmapIcon("databaseConnectedIcon");

  databaseConnectIcon = getPixmapIcon("databaseConnectIcon");
  databaseDisconnectIcon = getPixmapIcon("databaseDisconnectIcon");
  sqlIcon = getPixmapIcon("sqlIcon");
  deleteIcon = getPixmapIcon("deleteIcon");
  newWindowIcon = getPixmapIcon("newWindowIcon");
  if (is_connected)
    setConnected(is_connected);
  else
    setPixmap(0, databaseDisconnectedIcon);
}

void IcyConnector::ProcessHeaders(const QString &hdrs)
{
    QStringList f0;
    QStringList f1;
    QString txt;

    f0=hdrs.split("\r\n");
    if(f0[0]!="OK2") {
        Log(LOG_WARNING,
            QString().sprintf("login to \"%s:%d\" rejected: %s",
                              (const char *)hostHostname().toUtf8(),
                              0xFFFF&hostPort(),
                              (const char *)f0[0].toUtf8()));
        return;
    }
    icy_authenticated=true;
    WriteHeader("icy-name: "+streamName());
    WriteHeader("icy-genre: "+streamGenre());
    WriteHeader("icy-pub: "+QString().sprintf("%d",streamPublic()));
    WriteHeader("icy-br: "+QString().sprintf("%u",audioBitrate()));
    if(icy_protocol_version==1) {
        WriteHeader("icy-url: "+streamUrl());
    }
    WriteHeader("icy-irc: "+streamIrc());
    WriteHeader("icy-icq: "+streamIcq());
    WriteHeader("icy-aim: "+streamAim());
    WriteHeader("Content-Type: "+contentType());
    WriteHeader("");

    setConnected(true);
}

void WlanCoreImpl::cacheInterfaceInfo()
{
	m_deviceOk = false;
	memset(&m_deviceId, 0, sizeof(m_deviceId));
	PWLAN_INTERFACE_INFO_LIST intfList;
	if (ERROR_SUCCESS == m_wlanapi->WlanEnumInterfaces(m_wlanHandle, NULL, &intfList)) {
		if (intfList->dwNumberOfItems > 0) {
			const WLAN_INTERFACE_INFO *intf = intfList->InterfaceInfo + 0;
			m_deviceOk = true;
			m_deviceId = intf->InterfaceGuid;
			m_deviceState = intf->isState;
			m_deviceDesc = QString::fromWCharArray(intf->strInterfaceDescription);
		}
		m_wlanapi->WlanFreeMemory(intfList);
	}

	if (m_deviceOk) {
		cacheRadioState();
		cacheConnectionInfo();
	} else {
		setSoftwareEnabled(false);
		setHardwareEnabled(false);
		setEnabled(false);
		setSsid(QString());
		setMacAddress(QByteArray());
		setSignalQuality(0);
		setProfileName(QString());
		setConnected(false);
	}
}

void WlanCoreImpl::cacheConnectionInfo()
{
	QString profileName;
	QString ssid;
	bool connected = false;
	int signalQuality = 0;
	QByteArray macAddress;

	if (m_deviceOk) {
		PWLAN_CONNECTION_ATTRIBUTES conn;
		DWORD cb = sizeof(conn);
		WLAN_OPCODE_VALUE_TYPE vt;
		if (ERROR_SUCCESS == m_wlanapi->WlanQueryInterface(m_wlanHandle, &m_deviceId, wlan_intf_opcode_current_connection, NULL, &cb, reinterpret_cast<PVOID*>(&conn), &vt)) {
			profileName = QString::fromWCharArray(conn->strProfileName).trimmed();
			connected = (conn->isState == wlan_interface_state_connected);
			ssid = QString::fromLatin1(reinterpret_cast<char*>(conn->wlanAssociationAttributes.dot11Ssid.ucSSID), conn->wlanAssociationAttributes.dot11Ssid.uSSIDLength);
			signalQuality = conn->wlanAssociationAttributes.wlanSignalQuality;
			macAddress = QByteArray(reinterpret_cast<char*>(conn->wlanAssociationAttributes.dot11Bssid), 6);
			m_wlanapi->WlanFreeMemory(conn);
		}
	}

	setSsid(ssid);
	setMacAddress(macAddress);
	setSignalQuality(signalQuality);
	setProfileName(profileName);
	setConnected(connected);
}

void DkCamControls::closeDeviceAndSetState() {
	bool lvActive = false;
	try {
		lvActive = maidFacade->isLiveViewActive();
	} catch (Maid::MaidError) {
		lvActive = false;
	}

	if (lvActive) {
		maidFacade->toggleLiveView();
		liveViewTimer->stop();
		
		// TODO: get the plugin viewport here?!
		//viewport->setImage(QImage());
		//emit updateImage(QImage());	// is setting an empty image here intentional?
	}

	try {
		maidFacade->closeSource();
	} catch (Maid::MaidError) {
		// there is probably nothing left to close
	}
	connectedDeviceId.second = false;
	setConnected(false);
	updateUiValues();
}

void DkCamControls::onDeviceOpened() {
	
	if (openDeviceProgressDialog) {
		openDeviceProgressDialog->cancel();
	}

	try {
		if (!maidFacade->isSourceAlive()) {
			return;
		}

		if (!maidFacade->checkCameraType()) {
			QMessageBox dialog(this);
			dialog.setIcon(QMessageBox::Warning);
			dialog.setText(tr("This program is not compatible with the selected camera model."));
			dialog.show();
			dialog.exec();

			//qDebug() << tr("This program is not compatible with the selected camera model.");
			closeDeviceAndSetState();
			return;
		}

		setConnected(true);
		updateUiValues();
	} catch (Maid::MaidError e) {
		qDebug() << tr("[ERROR] after opening device");
	}
}

void BioXASSSRLMonochromatorRegionControl::updateConnected()
{
	bool slitsOK = ( maskUpperBlade_ && maskUpperBlade_->isConnected() && maskLowerBlade_ && maskLowerBlade_->isConnected() && maskBladesStatus_ && maskBladesStatus_->isConnected() );
	bool paddleOK = (paddle_ && paddle_->isConnected());
	bool paddleStatusOK = (paddleStatus_ && paddleStatus_->isConnected());
	bool keyStatusOK = (keyStatus_ && keyStatus_->isConnected());
	bool brakeStatusOK = (brakeStatus_ && brakeStatus_->isConnected());
	bool braggOK = (bragg_ && bragg_->isConnected());
	bool braggAtCrystalChangePositionStatusOK = (braggAtCrystalChangePositionStatus_ && braggAtCrystalChangePositionStatus_->isConnected());
	bool crystalChangeOK = (crystalChange_ && crystalChange_->isConnected());
	bool crystalChangeCWLimitStatusOK = (crystalChangeCWLimitStatus_ && crystalChangeCWLimitStatus_->isConnected());
	bool crystalChangeCCWLimitStatusOK = (crystalChangeCCWLimitStatus_ && crystalChangeCCWLimitStatus_->isConnected());
	bool regionAStatusOK = (regionAStatus_ && regionAStatus_->isConnected());
	bool regionBStatusOK = (regionBStatus_ && regionBStatus_->isConnected());

	bool isConnected = (
				slitsOK &&
				paddleOK &&
				paddleStatusOK &&
				keyStatusOK &&
				brakeStatusOK &&
				braggOK &&
				braggAtCrystalChangePositionStatusOK &&
				crystalChangeOK &&
				crystalChangeCWLimitStatusOK &&
				crystalChangeCCWLimitStatusOK &&
				regionAStatusOK &&
				regionBStatusOK
				);

	setConnected(isConnected);
}

int HidController::close() {
    if (!isOpen()) {
        qDebug() << "HID device" << getName() << "already closed";
        return -1;
    }

    qDebug() << "Shutting down HID device" << getName();

    // Stop the reading thread
    if (m_pReader == NULL) {
        qWarning() << "HidReader not present for" << getName()
                   << "yet the device is open!";
    } else {
        disconnect(m_pReader, SIGNAL(incomingData(QByteArray, mixxx::Duration)),
                   this, SLOT(receive(QByteArray, mixxx::Duration)));
        m_pReader->stop();
        hid_set_nonblocking(m_pHidDevice, 1);   // Quit blocking
        controllerDebug("  Waiting on reader to finish");
        m_pReader->wait();
        delete m_pReader;
        m_pReader = NULL;
    }

    // Stop controller engine here to ensure it's done before the device is closed
    //  incase it has any final parting messages
    stopEngine();

    // Close device
    setConnected(false);
    controllerDebug("  Closing device");
    hid_close(m_pHidDevice);
    setOpen(false);
    return 0;
}

void
Server::sendMessage(wstring* message)
{
	if(isConnected())
	{
		int result = 0;
		int mbsize = WideCharToMultiByte(CP_UTF8, 0, message->c_str(), static_cast<int>(message->length()), NULL, 0, NULL, NULL);
		if (mbsize > 0)
		{
			char *szMessage = (char*)malloc(mbsize);
			int bytes = WideCharToMultiByte(CP_UTF8, 0, message->c_str(), static_cast<int>(message->length()), szMessage, mbsize, NULL, NULL);
			result = send(serverSocket, szMessage, bytes, 0);		
			DebugPrint(L"Capture-Server-sendMessage: Allocated: %i, Converted: %i, Sent: %i\n", mbsize, bytes, result);
			if(result == SOCKET_ERROR)
			{
				DebugPrint(L"Capture-Server-sendMessage: Socket Error %i: %s\n", WSAGetLastError(), szMessage);
				if(WSAGetLastError() == WSAENOTCONN)
				{
					setConnected(false);
				}
			}
			free(szMessage);
		}	
	}
}

void Ableton::setup(string abletonOscHost)
{
    this->abletonOscHost = abletonOscHost;
    
    sender.setup(abletonOscHost, ABLETON_OSC_PORT_OUT);
    receiver.setup(ABLETON_OSC_PORT_IN);
    setConnected(true);
    setAutoUpdate(true);
    setAutoDraw(true);
    
    control.addToggle("Connected", &connected, this, &Ableton::eventSetConnected);      // unusued
    control.addButton("Refresh", this, &Ableton::eventRefresh);

    GuiWidget *widgetGlobal = control.addWidget("Global");
    widgetGlobal->addSlider("Tempo", &tempo, 4.0f, 999.0f, this, &Ableton::eventSetTempo);
    widgetGlobal->addSlider("Time", &time, 4.0f, 999.0f, this, &Ableton::eventSetTime);
    widgetGlobal->addSlider("Volume", &volume, 0.0f, 1.0f, this, &Ableton::eventSetVolume);
    widgetGlobal->addSlider("Pan", &pan, -1.0f, 1.0f, this, &Ableton::eventSetPan);
    widgetGlobal->addToggle("Overdub", &overdub, this, &Ableton::eventSetOverdub);
    
    GuiWidget *widgetPlayback = control.addWidget("Playback");
    widgetPlayback->addButton("Prev cue", this, &Ableton::eventPrevCue);
    widgetPlayback->addButton("Next cue", this, &Ableton::eventNextCue);
    widgetPlayback->addButton("Play", this, &Ableton::eventPlay);
    widgetPlayback->addButton("Continue", this, &Ableton::eventPlayContinue);
    widgetPlayback->addButton("Play selection", this, &Ableton::eventPlaySelection);
    widgetPlayback->addButton("Stop", this, &Ableton::eventStop);
    
    scanLiveSet();
    
    // REFRESH OPTION!
    // -> delete everything
    // -> redo scanLiveSet
    // CONNECTED variable
}

/**
 * Initializes the temperature sensor.
 * This method is called when the sensor is first created and also any time the sensor reports it's disconnected.
 * If the result is TEMP_SENSOR_DISCONNECTED then subsequent calls to read() will also return TEMP_SENSOR_DISCONNECTED.
 * Clients should attempt to re-initialize the sensor by calling init() again. 
 */
bool OneWireTempSensor::init(){

	// save address and pinNr for log messages
	char addressString[17];
	printBytes(sensorAddress, 8, addressString);
	uint8_t pinNr = oneWire->pinNr();

	bool success = false;

	if (sensor==NULL) {
		sensor = new DallasTemperature(oneWire);
		if (sensor==NULL) {
			logErrorString(ERROR_SRAM_SENSOR, addressString);
		}
	}
	
	logDebug("init onewire sensor");
	// This quickly tests if the sensor is connected and initializes the reset detection.
	// During the main TempControl loop, we don't want to spend many seconds
	// scanning each sensor since this brings things to a halt.
	if (sensor && sensor->initConnection(sensorAddress) && requestConversion()) {
		logDebug("init onewire sensor - wait for conversion");
		waitForConversion();
		temperature temp = readAndConstrainTemp();
		DEBUG_ONLY(logInfoIntStringTemp(INFO_TEMP_SENSOR_INITIALIZED, pinNr, addressString, temp));
		success = temp!=DEVICE_DISCONNECTED && requestConversion();
	}	
	setConnected(success);
	logDebug("init onewire sensor complete %d", success);
	return success;
}

void JabberRoomChat::joined()
{
    auto details = static_cast<ChatDetailsRoom *>(m_chat.details());
    details->setConnected(true);

    emit joined(m_chat);
}