int FortuneThread::qt_metacall(QMetaObject::Call _c, int _id, void **_a) { _id = QThread::qt_metacall(_c, _id, _a); if (_id < 0) return _id; if (_c == QMetaObject::InvokeMetaMethod) { switch (_id) { case 0: newFortune((*reinterpret_cast< const QString(*)>(_a[1]))); break; case 1: error((*reinterpret_cast< int(*)>(_a[1])),(*reinterpret_cast< const QString(*)>(_a[2]))); break; default: ; } _id -= 2; } return _id; }
BlockingClient::BlockingClient(QWidget *parent) : QWidget(parent) { hostLabel = new QLabel(tr("&Server name:")); portLabel = new QLabel(tr("S&erver port:")); // find out which IP to connect to QString ipAddress; QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses(); // use the first non-localhost IPv4 address for (int i = 0; i < ipAddressesList.size(); ++i) { if (ipAddressesList.at(i) != QHostAddress::LocalHost && ipAddressesList.at(i).toIPv4Address()) { ipAddress = ipAddressesList.at(i).toString(); break; } } // if we did not find one, use IPv4 localhost if (ipAddress.isEmpty()) ipAddress = QHostAddress(QHostAddress::LocalHost).toString(); hostLineEdit = new QLineEdit(ipAddress); portLineEdit = new QLineEdit; portLineEdit->setValidator(new QIntValidator(1, 65535, this)); hostLabel->setBuddy(hostLineEdit); portLabel->setBuddy(portLineEdit); statusLabel = new QLabel(tr("This examples requires that you run the " "Fortune Server example as well.")); statusLabel->setWordWrap(true); getFortuneButton = new QPushButton(tr("Get Fortune")); getFortuneButton->setDefault(true); getFortuneButton->setEnabled(false); quitButton = new QPushButton(tr("Quit")); buttonBox = new QDialogButtonBox; buttonBox->addButton(getFortuneButton, QDialogButtonBox::ActionRole); buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole); connect(getFortuneButton, SIGNAL(clicked()), this, SLOT(requestNewFortune())); connect(quitButton, SIGNAL(clicked()), this, SLOT(close())); connect(hostLineEdit, SIGNAL(textChanged(QString)), this, SLOT(enableGetFortuneButton())); connect(portLineEdit, SIGNAL(textChanged(QString)), this, SLOT(enableGetFortuneButton())); //! [0] connect(&thread, SIGNAL(newFortune(QString)), this, SLOT(showFortune(QString))); //! [0] //! [1] connect(&thread, SIGNAL(error(int,QString)), this, SLOT(displayError(int,QString))); //! [1] QGridLayout *mainLayout = new QGridLayout; mainLayout->addWidget(hostLabel, 0, 0); mainLayout->addWidget(hostLineEdit, 0, 1); mainLayout->addWidget(portLabel, 1, 0); mainLayout->addWidget(portLineEdit, 1, 1); mainLayout->addWidget(statusLabel, 2, 0, 1, 2); mainLayout->addWidget(buttonBox, 3, 0, 1, 2); setLayout(mainLayout); setWindowTitle(tr("Blocking Fortune Client")); portLineEdit->setFocus(); }
//! [4] void FortuneThread::run() { mutex.lock(); //! [4] //! [5] QString serverName = hostName; quint16 serverPort = port; mutex.unlock(); //! [5] //! [6] while (!quit) { //! [7] const int Timeout = 5 * 1000; QTcpSocket socket; socket.connectToHost(serverName, serverPort); //! [6] //! [8] if (!socket.waitForConnected(Timeout)) { emit error(socket.error(), socket.errorString()); return; } //! [8] //! [9] while (socket.bytesAvailable() < (int)sizeof(quint16)) { if (!socket.waitForReadyRead(Timeout)) { emit error(socket.error(), socket.errorString()); return; } //! [9] //! [10] } //! [10] //! [11] quint16 blockSize; QDataStream in(&socket); in.setVersion(QDataStream::Qt_4_0); in >> blockSize; //! [11] //! [12] while (socket.bytesAvailable() < blockSize) { if (!socket.waitForReadyRead(Timeout)) { emit error(socket.error(), socket.errorString()); return; } //! [12] //! [13] } //! [13] //! [14] mutex.lock(); QString fortune; in >> fortune; emit newFortune(fortune); //! [7] //! [14] //! [15] cond.wait(&mutex); serverName = hostName; serverPort = port; mutex.unlock(); } //! [15] }
BlockingClient::BlockingClient(QWidget *parent) : QWidget(parent) { hostLabel = new QLabel(tr("&Server name:")); portLabel = new QLabel(tr("S&erver port:")); // find out which IP to connect to QString ipAddress; QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses(); // use the first non-localhost IPv4 address for (int i = 0; i < ipAddressesList.size(); ++i) { if (ipAddressesList.at(i) != QHostAddress::LocalHost && ipAddressesList.at(i).toIPv4Address()) { ipAddress = ipAddressesList.at(i).toString(); break; } } // if we did not find one, use IPv4 localhost if (ipAddress.isEmpty()) ipAddress = QHostAddress(QHostAddress::LocalHost).toString(); hostLineEdit = new QLineEdit(ipAddress); portLineEdit = new QLineEdit; portLineEdit->setValidator(new QIntValidator(1, 65535, this)); #if defined(Q_OS_SYMBIAN) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR) Qt::InputMethodHint hints = Qt::ImhDigitsOnly; portLineEdit->setInputMethodHints(hints); #endif hostLabel->setBuddy(hostLineEdit); portLabel->setBuddy(portLineEdit); statusLabel = new QLabel(tr("This examples requires that you run the " "Fortune Server example as well.")); statusLabel->setWordWrap(true); #ifdef Q_OS_SYMBIAN QMenu *menu = new QMenu(this); fortuneAction = menu->addAction(tr("Get Fortune")); fortuneAction->setVisible(false); QAction *optionsAction = new QAction(tr("Options"), this); optionsAction->setMenu(menu); optionsAction->setSoftKeyRole(QAction::PositiveSoftKey); addAction(optionsAction); exitAction = new QAction(tr("Exit"), this); exitAction->setSoftKeyRole(QAction::NegativeSoftKey); addAction(exitAction); connect(fortuneAction, SIGNAL(triggered()), this, SLOT(requestNewFortune())); connect(exitAction, SIGNAL(triggered()), this, SLOT(close())); #else getFortuneButton = new QPushButton(tr("Get Fortune")); getFortuneButton->setDefault(true); getFortuneButton->setEnabled(false); quitButton = new QPushButton(tr("Quit")); buttonBox = new QDialogButtonBox; buttonBox->addButton(getFortuneButton, QDialogButtonBox::ActionRole); buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole); connect(getFortuneButton, SIGNAL(clicked()), this, SLOT(requestNewFortune())); connect(quitButton, SIGNAL(clicked()), this, SLOT(close())); #endif connect(hostLineEdit, SIGNAL(textChanged(QString)), this, SLOT(enableGetFortuneButton())); connect(portLineEdit, SIGNAL(textChanged(QString)), this, SLOT(enableGetFortuneButton())); //! [0] connect(&thread, SIGNAL(newFortune(QString)), this, SLOT(showFortune(QString))); //! [0] //! [1] connect(&thread, SIGNAL(error(int,QString)), this, SLOT(displayError(int,QString))); //! [1] QGridLayout *mainLayout = new QGridLayout; mainLayout->addWidget(hostLabel, 0, 0); mainLayout->addWidget(hostLineEdit, 0, 1); mainLayout->addWidget(portLabel, 1, 0); mainLayout->addWidget(portLineEdit, 1, 1); mainLayout->addWidget(statusLabel, 2, 0, 1, 2); #ifndef Q_OS_SYMBIAN mainLayout->addWidget(buttonBox, 3, 0, 1, 2); #endif setLayout(mainLayout); setWindowTitle(tr("Blocking Fortune Client")); portLineEdit->setFocus(); }