chat::chat(QString pasvusername, QString pasvuserip) : ui(new Ui::chat)
{
ui->setupUi(this);
ui->textEdit->setFocusPolicy(Qt::StrongFocus);
ui->textBrowser->setFocusPolicy(Qt::NoFocus);
ui->textEdit->setFocus();
ui->textEdit->installEventFilter(this);
a = 0;
is_opened = false;
// this->is_opened = false;
xpasvusername = pasvusername;
xpasvuserip = pasvuserip;
ui->label->setText(tr("与%1聊天中 对方IP:%2").arg(xpasvusername).arg(pasvuserip));
//UDP部分
xchat = new QUdpSocket(this);
xport = 45456;
// xchat->bind(xport, QUdpSocket::ShareAddress | QUdpSocket::ReuseAddressHint);
xchat->bind( QHostAddress(getIP()), xport );
connect(xchat, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
//TCP部分
server = new TcpServer(this);
connect(server,SIGNAL(sendFileName(QString)),this,SLOT(sentFileName(QString)));
connect(ui->textEdit,SIGNAL(currentCharFormatChanged(QTextCharFormat)),this,SLOT(currentFormatChanged(const QTextCharFormat)));
}
void MainWindow::initSocket()
{
//socket creation
udpSocket = new QUdpSocket(this);
alreadySocket = new QUdpSocket(this);
dataSocket = new QUdpSocket(this);
//if there is 2 arguments
if(QCoreApplication::arguments().length()==2)
{
//save argument 1 (buildDir)
QString newarg = QCoreApplication::arguments().at(1);
//convert argument
const char *newData=newarg.toStdString().c_str();
//send buildDir to pandarduino
dataSocket->writeDatagram(newData, strlen(newData)+1,QHostAddress::LocalHost, 45454);
}
//socket binding
udpSocket->bind(45454, QUdpSocket::ShareAddress);
//connect socket and pending datagrams slot
connect(udpSocket, SIGNAL(readyRead()),this, SLOT(processPendingDatagrams()));
}
Receiver::Receiver(QWidget *parent)
: QDialog(parent)
{
qDebug() << "Start receiving: ";
int host;
host = QInputDialog::getInt(0,"Port","Insert port");
statusLabel = new QLabel(tr("Listening for broadcasted messages"));
quitButton = new QPushButton(tr("&Quit"));
udpSocket = new QUdpSocket(this);
udpSocket->bind(host, QUdpSocket::ShareAddress);
connect(udpSocket, SIGNAL(readyRead()),
this, SLOT(processPendingDatagrams()));
connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
QHBoxLayout *buttonLayout = new QHBoxLayout;
buttonLayout->addStretch(1);
buttonLayout->addWidget(quitButton);
buttonLayout->addStretch(1);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addWidget(statusLabel);
mainLayout->addLayout(buttonLayout);
setLayout(mainLayout);
setWindowTitle(tr("Broadcast Receiver"));
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
//setup some default values in the constructor
//Direction commands from remote -- (text label, number of pulses, x movement, y movement)
pulseDecode.append(DirectionCommand("UP", 10, 0, -0.5));
pulseDecode.append(DirectionCommand("DOWN", 40, 0, 1));
pulseDecode.append(DirectionCommand("LEFT", 58, -1, 0));
pulseDecode.append(DirectionCommand("RIGHT", 64, 1, 0));
pulseDecode.append(DirectionCommand("DOWN + LEFT", 52, -0.707, 0.707));
pulseDecode.append(DirectionCommand("UP + LEFT", 28, -0.707, -0.707));
pulseDecode.append(DirectionCommand("DOWN + RIGHT", 46, 0.707, 0.707));
pulseDecode.append(DirectionCommand("UP + RIGHT", 34, 0.707, -0.707));
//initialize other variables
currentType = NONE;
elementCounter = 0;
pulseCounter = 0;
pixelRatio = 3.0;
v1 = 0;
v2 = 0;
//initialize UI components
ui->setupUi(this);
//set up TCP client and connect to GNU Radio server (note: start GNURadio before program)
tcpSocket.abort();
tcpSocket.connectToHost("127.0.0.1",2600);
connect(&tcpSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
}
chat::chat(QString pasvusername,QString pasvuserip):
ui(new Ui::chat)
{
ui->setupUi(this);
ui->textEdit->setFocusPolicy(Qt::StrongFocus);
ui->textBrowser->setFocusPolicy(Qt::NoFocus);
ui->textEdit->setFocus();
ui->textEdit->installEventFilter(this);
ui->send->setStyleSheet(tr("QPushButton{ border:0px;border-radius:5px;color:white;background-color:rgb(172, 213, 191)}QPushButton:hover{background-color:rgb(153, 186, 255);}QPushButton:pressed{background-color:rgb(153, 186, 255);}"));
//退出按钮
ui->close->setStyleSheet(tr("QPushButton{border:0px;border-radius:5px;color:white;background-color:rgb(195, 195, 195);}QPushButton:hover{background-color:#505050;}QPushButton:pressed{background-color:#505050;}"));
a = 0;
is_opened = false;
// this->is_opened = false;
xpasvusername = pasvusername;
xpasvuserip = pasvuserip;
ui->label->setText(tr("与%1聊天中 对方IP:%2").arg(xpasvusername).arg(pasvuserip));
//UDP部分
xchat = new QUdpSocket(this);
xport=6900;
// xchat->bind(xport, QUdpSocket::ShareAddress | QUdpSocket::ReuseAddressHint);
QHostAddress chat_me(getIP());
xchat->bind( chat_me, xport);
connect(xchat, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
//TCP部分
server = new TcpSend(this);
connect(server,SIGNAL(sendFileName(QString)),this,SLOT(sentFileName(QString)));
connect(ui->textEdit,SIGNAL(currentCharFormatChanged(QTextCharFormat)),this,SLOT(currentFormatChanged(const QTextCharFormat)));
}
Receiver::Receiver(QWidget *parent)
: QDialog(parent)
{
groupAddress = QHostAddress("239.255.43.21");
statusLabel = new QLabel(tr("Listening for multicasted messages"));
quitButton = new QPushButton(tr("&Quit"));
udpSocket = new QUdpSocket(this);
udpSocket->bind(45454, QUdpSocket::ShareAddress);
udpSocket->joinMulticastGroup(groupAddress);
connect(udpSocket, SIGNAL(readyRead()),
this, SLOT(processPendingDatagrams()));
connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
QHBoxLayout *buttonLayout = new QHBoxLayout;
buttonLayout->addStretch(1);
buttonLayout->addWidget(quitButton);
buttonLayout->addStretch(1);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addWidget(statusLabel);
mainLayout->addLayout(buttonLayout);
setLayout(mainLayout);
setWindowTitle(tr("Multicast Receiver"));
}
UdpEchoServer::UdpEchoServer() :
m_pUdpSocket(new QUdpSocket(this)),
m_port(2011)
{
connect(m_pUdpSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
}
NetworkWidget::NetworkWidget(QWidget *parent, AbstractSerial *serial) :
QWidget(parent),
serial(serial),
ui(new Ui::NetworkWidget)
{
ui->setupUi(this);
udpSocket = new QUdpSocket(this);
connect(udpSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
if ( udpSocket->localAddress().isNull() ) {
ui->lblIP_address->setText("0.0.0.0");
} else {
ui->lblIP_address->setText( udpSocket->localAddress().toString() );
}
QLineEdit *temp[] = { ui->PWM_01, ui->PWM_02, ui->PWM_03, ui->PWM_04, ui->PWM_05, ui->PWM_06, ui->PWM_07, ui->PWM_08, ui->PWM_09, ui->PWM_10, ui->PWM_11, ui->PWM_12 };
for (unsigned char i=0; i<(sizeof(temp)/sizeof(temp[0])); i++)
currentServoValue[i] = temp[i];
// Zero out all the stats.
stats_packets = stats_invalid = stats_queue_max = stats_discarded = stats_packets_old = stats_network_failures = 0;
ui->lblStatus->setText(tr("Not Listening"));
socketOpen = false;
STATE = NOT_LISTENING;
emptyQueue();
ui->btnClearEmergencyStop->setDisabled(true);
OutputTimer = new QTimer(this);
NetworkTimer = new QTimer(this);
connect(OutputTimer, SIGNAL(timeout()), this, SLOT(ouputServoData()));
connect(NetworkTimer, SIGNAL(timeout()), this, SLOT(checkNetwork()));
}
/*!
* Standard constructor using \a parent as parent
*/
LogReceiver::LogReceiver(QObject *parent) :
QObject(parent),
m_socket(new QUdpSocket(this))
{
setPort(45454);
connect(m_socket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
}
Receiver::Receiver(QWidget *parent)
: QDialog(parent)
{
statusLabel = new QLabel(tr("Listening for broadcasted messages"));
quitButton = new QPushButton(tr("&Quit"));
//! [0]
udpSocket = new QUdpSocket(this);
udpSocket->bind(45454, QUdpSocket::ShareAddress);
//! [0]
//! [1]
connect(udpSocket, SIGNAL(readyRead()),
this, SLOT(processPendingDatagrams()));
//! [1]
connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
QHBoxLayout *buttonLayout = new QHBoxLayout;
buttonLayout->addStretch(1);
buttonLayout->addWidget(quitButton);
buttonLayout->addStretch(1);
QVBoxLayout *mainLayout = new QVBoxLayout;
mainLayout->addWidget(statusLabel);
mainLayout->addLayout(buttonLayout);
setLayout(mainLayout);
setWindowTitle(tr("Broadcast Receiver"));
}
bool ICServer::startSidTest(int duration)
{
timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(stopSidTest()));
timer->setInterval(duration);
timer->setSingleShot(true);
testUdpSocket = new QUdpSocket(this);
bool success = testUdpSocket->bind(ipAddress, CLIENT_PORT);
// if bind failed
if (!success) return false;
connect(testUdpSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
ICMessage question = ICMessage::initWithCommonProperties();
question.setProperty(settings->value(SID_CONFIG_TAG,DEFAULT_SID_TAG).toString(),sid);
question.setProperty(settings->value(COMMAND_CONFIG_TAG,DEFAULT_CMD_TAG).toString(), QString::number(SERVER_DISCOVERY));
// broadcast for three times
for (int i = 0; i < 3; i++)
testUdpSocket->writeDatagram(question.saveAsJson(), QHostAddress::Broadcast, SERVER_PORT);
timer->start();
return true;
}
YAQSProxy::YAQSProxy(QObject *parent) : QObject(parent)
{
timer.setInterval(msTimerResolution);
timer.start();
udpSocket.bind(portNumber, QUdpSocket::ShareAddress);
connect(&timer, SIGNAL(timeout()), this, SLOT(broadcast()));
connect(&udpSocket, SIGNAL(readyRead()),this, SLOT(processPendingDatagrams()));
}
NetworkMonitor::NetworkMonitor( int listenPort, int sendPort )
{
this->listenPort = listenPort;
this->sendPort = sendPort;
connect( &socket, SIGNAL(readyRead()), this, SLOT( processPendingDatagrams() ) );
connect( &pingTimer, SIGNAL( timeout() ), this, SLOT( sendPing() ) );
createPing( );
}
void udpreceiver::startreceiver()
{
udpSocket = new QUdpSocket(this);
udpSocket->bind(45454, QUdpSocket::ShareAddress);
connect(udpSocket, SIGNAL(readyRead()),
this, SLOT(processPendingDatagrams()));
// qDebug()<< "UDP CONNECETED";
}
UAV::UAV(QWidget *parent)
// : QDialog(parent)
{
udpSocket.bind(27015);
connect(&udpSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
// QTextStream(stdout) << "run this shit";
}
server::server(QString host, quint16 p)
{
udpSocket.bind(QHostAddress(host),p);
connect(&udpSocket, SIGNAL(readyRead()),
this, SLOT(processPendingDatagrams()));
qDebug() << "Server started ::: " << udpSocket.localAddress() << udpSocket.localPort();
}
/***********************************************************************
* 函数名称： listen
* 函数功能： 监听事件
* 参数说明：
* 作者 ： 爱在梦幻谷
* 最后修改： 2013年3月14日21:00:52
***********************************************************************/
bool login::listen()
{
if(!m_pTestLinkSocket->bind(LOGIN_LISTEN_PORT))
{
qDebug() << __FILE__ <<":"<< __LINE__ <<" p_ListenUdpSoket->bind fail!";
return false;
}
connect(m_pTestLinkSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()), Qt::DirectConnection);
return true;
}
// listen on port 8027, broadcast question to 8026
bool ICServer::listen()
{
udpSocket = new QUdpSocket(this);
if (udpSocket->bind(ipAddress, SERVER_PORT)) {
connect(udpSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
//connect(udpSocket,SIGNAL(error(QAbstractSocket::SocketError)),this, SLOT(socketClosed(QAbstractSocket::SocketError)));
isRunning = true;
return true;
} else return false;
}
/**
* \brief wavrUdpNetwork::stop
* Disconnects the readyRead signal, leaves multicast group, and closes the socket connection.
*/
void wavrUdpNetwork::stop(void) {
disconnect(pUdpReceiver, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
if(pUdpReceiver->state() == QAbstractSocket::BoundState) {
wavrTrace::write("Leaving multicast group " + multicastAddress.toString() + " on interface " +
multicastInterface.humanReadableName());
bool left = pUdpReceiver->leaveMulticastGroup(multicastAddress, multicastInterface);
pUdpReceiver->close();
wavrTrace::write(left ? "Success" : "Failed");
}
isRunning = false;
}
/*!\func TCore
* конструктор класса
* \param нет
* \return нет
*/
TCore::TCore(const QString &newPluginsDir, quint16 localPort) : address(QHostAddress::Broadcast), timer() {
// qDebug()<<"TCore";
this->pluginsDir = newPluginsDir;
//уникальный типа ИД
unique_id = 1;
connect(&timer, SIGNAL(timeout()), this, SLOT(on_timer()));
timer.start(1000);
//создаем соккет
this->localPort = localPort;
remoutePort = 45454;
udpSocket.bind(localPort);
connect(&udpSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
}
UDPReceiver::UDPReceiver()
{
setObjectName(metaObject()->className());
addOutputPort("OUT");
setSelfStarting(true);
udpSocket = new QUdpSocket();
udpSocket->bind(4444, QUdpSocket::ShareAddress);
bool check = connect(udpSocket, SIGNAL(readyRead()),this, SLOT(processPendingDatagrams()));
Q_ASSERT(check);
}
Widget::Widget(QWidget *parent) :
QWidget(parent),
ui(new Ui::Widget)
{
ui->setupUi(this);
//QHostInfo::lookupHost("www.baidu.com", this, SLOT(lookedup(QHostInfo))); //获取网络地址
udpSocket = new QUdpSocket(this);
port = 55555;
udpSocket->bind(port, QUdpSocket::ShareAddress | QUdpSocket::ReuseAddressHint);
connect(udpSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
sendMessage(NewParticipant);
}
Client::Client(QWidget *parent)
: QDialog(parent)
{
groupAddress = QHostAddress("230.0.0.1");
port = 7777;
strcpy(mess.id, "Cristina\0");
listRooms.push_back(string("room1\0"));
listRooms.push_back(string("room2\0"));
listRooms.push_back(string("room3\0"));
listRooms.push_back(string("name\0"));
okButton = new QPushButton(tr("&Ok"));
cancelButton = new QPushButton(tr("&Clear"));
ttlLabel = new QLabel(tr("TTL for multicast datagrams:"));
ttlSpinBox = new QSpinBox;
ttlSpinBox->setRange(0, 255);
QHBoxLayout *ttlLayout = new QHBoxLayout;
ttlLayout->addWidget(ttlLabel);
ttlLayout->addWidget(ttlSpinBox);
buttonBox = new QDialogButtonBox;
buttonBox->addButton(okButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(cancelButton, QDialogButtonBox::ActionRole);
waitList = false;
udpSocket = new QUdpSocket(this);
udpSocket->bind(port, QUdpSocket::ShareAddress);
udpSocket->joinMulticastGroup(groupAddress);
connect(ttlSpinBox, SIGNAL(valueChanged(int)), this, SLOT(ttlChanged(int)));
connect(okButton,SIGNAL(clicked()), this, SLOT(sendDatagram()));
connect(udpSocket, SIGNAL(readyRead()),this, SLOT(processPendingDatagrams()));
connect(cancelButton, SIGNAL(clicked()), this, SLOT(eraseInput()));
QVBoxLayout *mainLayout = new QVBoxLayout;
outputText = new QTextBrowser;
inputText = new QTextEdit;
inputText->setFixedHeight(1*30);
mainLayout->addLayout(ttlLayout);
mainLayout->addWidget(outputText);
mainLayout->addWidget(inputText);
mainLayout->addWidget(buttonBox);
setLayout(mainLayout);
setWindowTitle(tr("Multicast"));
ttlSpinBox->setValue(1);
}
Widget::Widget(qint16 selfport,qint16 destinationport,QString destinationIP,QWidget *parent) :
QWidget(parent),
ui(new Ui::Widget)
{
//initialize all the variable
ui->setupUi(this);
udpSocket=new QUdpSocket();
port=selfport;
destport=destinationport;
destIP=destinationIP;
this->setWindowTitle("My port is "+QString::number(port));
connect(udpSocket,SIGNAL(readyRead()),this,SLOT(processPendingDatagrams()));
}
int CIMServer::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QObject::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: processPendingDatagrams(); break;
case 1: DisplayError((*reinterpret_cast< QAbstractSocket::SocketError(*)>(_a[1]))); break;
default: ;
}
_id -= 2;
}
return _id;
}
/**
* Joins the multicast group and listens for incoming packets.
*/
bool wavrUdpNetwork::startReceiving(void) {
wavrTrace::write("Binding UDP listener to port " + QString::number(nUdpPort));
if(pUdpReceiver->bind(QHostAddress::AnyIPv4, nUdpPort)) {
wavrTrace::write("Success");
wavrTrace::write("Joining multicast group " + multicastAddress.toString() +
" on interface " + multicastInterface.humanReadableName());
bool joined = pUdpReceiver->joinMulticastGroup(multicastAddress, multicastInterface);
wavrTrace::write((joined ? "Success" : "Failed"));
connect(pUdpReceiver, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
return true;
}
wavrTrace::write("Failed");
return false;
}
AmptekSDD123Server::AmptekSDD123Server(AmptekSDD123ConfigurationMap *configurationMap, const QString &serverName, QObject *parent) :
QObject(parent) , currentRequestPacket_(-1, QString("NONE")), currentSyncPacket_(-1, QString("NONE")), timedOutPacket_(-1, QString("NONE"))
{
spectrumPacketReceiver_ = 0;
confirmationPacketReceiver_ = 0;
configurationMap_ = configurationMap;
serverName_ = serverName;
requestIntervalTimer_ = -1;
totalResponseDatagramSize_ = 0;
currentlyReadSize_ = 0;
amptekHeaderBytes_ = QByteArray::fromHex("f5fa");
if(configurationMap_){
stillReceivingResponseDatagram_ = false;
socketLocallyBusy_ = false;
detectorUnavailable_ = false;
currentRequestTime_.start();
requestPacketTimer_ = new QTimer(this);
requestPacketTimer_->setSingleShot(true);
syncPacketTimer_ = new QTimer(this);
syncPacketTimer_->setSingleShot(true);
packetIDCounter_ = 27;
hasReplyReady_ = false;
timeOutIDCounter_ = -27;
requestSpectrumTime_ = new QTime();
requestSpectrumTime_->start();
lastRequestSpectrumTime_ = new QTime();
lastRequestSpectrumTime_->start();
replySpectrumTime_ = new QTime();
replySpectrumTime_->start();
udpDetectorSocket_ = new QUdpSocket(this);
bool boundUDP = udpDetectorSocket_->bind(configurationMap_->localAddress(), 10001, QUdpSocket::ShareAddress);
if (!boundUDP)
AMDSRunTimeSupport::debugMessage(AMDSRunTimeSupport::AlertMsg, this, AMPTEK_SERVER_ALERT_FAILED_TO_BOUND_UDP, QString("Amptek Server failed to bound to the detector via %1:%2").arg(configurationMap_->localAddress().toString()).arg(10001));
connect(udpDetectorSocket_, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
connect(this, SIGNAL(responsePacketReady()), this, SLOT(onResponsePacketReady()));
}
}
MQTT::MQTT(QObject *parent) :
QObject(parent)
{
// re-initialize connection whenever the
// host or the port changes
QObject::connect(this, SIGNAL(hostChanged(QString)),
this, SLOT(initializeConnection()));
QObject::connect(this, SIGNAL(portChanged(int)),
this, SLOT(initializeConnection()));
qDebug()<<"Rahr: testing";
numberOfData =0;
udpSocket = new QUdpSocket(this);
udpSocket->bind(3000, QUdpSocket::ShareAddress);
QObject::connect(udpSocket, SIGNAL(readyRead()),
this, SLOT(processPendingDatagrams()));
}
MapController::MapController(Map* inputMap, QObject* parent) :
QObject(parent),
map(inputMap),
buddiesLayerVisible(true),
observationsLayerVisible(true),
udpSocket(NULL),
broadcastPort(45678),
broadcastInterval(3000),
simulator(),
positionReportTimer(NULL),
acceptPositionReports(true),
acceptSpotReports(true),
appConfigDialog(NULL),
showOwnship(false),
followOwnship(false),
isMapReady(false),
drawingOverlay(0),
lastHeading(0.0),
mouseState(MouseStateNone)
{
if (QFile::exists("./route.gpx"))
simulator.setGpxFile("./route.gpx");
else
simulator.setGpxFile(GPS_SIMULATION_FILE);
simulator.setTimerInterval(40); // Warning: jumpy at some intervals (ex. 100)
simulator.setPlaybackMultiplier(25);
connect(&simulator, SIGNAL(positionUpdateAvailable(QPointF, double)), this, SLOT(handlePositionAvailable(QPointF, double)));
readAppConfig();
// create the messaging socket connection and hook up message receiving
udpSocket = new QUdpSocket(this);
udpSocket->bind(broadcastPort, QUdpSocket::DontShareAddress | QUdpSocket::ReuseAddressHint);
connect(udpSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
//Timer to send the position report
positionReportTimer = new QTimer(this);
positionReportTimer->setInterval(1000);
connect(positionReportTimer, SIGNAL(timeout()), this, SLOT(sendPositionMessage()));
handleToggleBroadcastPosition(true);
handleToggleShowMe(true);
handleToggleFollowMe(true);
chemLightColorStr = "None";
}
Widget::Widget(QWidget *parent) :
QWidget(parent),
ui(new Ui::Widget)
{
ui->setupUi(this);
udpSocket = new QUdpSocket(this);
port = 45454;
udpSocket->bind(port, QUdpSocket::ShareAddress | QUdpSocket::ReuseAddressHint);
connect(udpSocket, SIGNAL(readyRead()), this, SLOT(processPendingDatagrams()));
sendMessage(NewParticipant);
server = new TcpServer(this);
connect(server, SIGNAL(sendFileName(QString)), this, SLOT(getFileName(QString)));
connect(ui->messageTextEdit, SIGNAL(currentCharFormatChanged(QTextCharFormat)),
this, SLOT(currentFormatChanged(const QTextCharFormat)));
}