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();
}
