#include <QtGui>
#include <QtNetwork>
#include "blockingclient.h"
BlockingClient::BlockingClient(QWidget *parent)
: QWidget(parent)
{
hostLabel = new QLabel(tr("&Server name:"));
portLabel = new QLabel(tr("S&erver port:"));
QString ipAddress;
QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();
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 (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()));
connect(&thread, SIGNAL(newFortune(QString)),
this, SLOT(showFortune(QString)));
connect(&thread, SIGNAL(error(int,QString)),
this, SLOT(displayError(int,QString)));
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();
}
void BlockingClient::requestNewFortune()
{
#ifdef Q_OS_SYMBIAN
fortuneAction->setVisible(false);
#else
getFortuneButton->setEnabled(false);
#endif
thread.requestNewFortune(hostLineEdit->text(),
portLineEdit->text().toInt());
}
void BlockingClient::showFortune(const QString &nextFortune)
{
if (nextFortune == currentFortune) {
requestNewFortune();
return;
}
currentFortune = nextFortune;
statusLabel->setText(currentFortune);
#ifdef Q_OS_SYMBIAN
fortuneAction->setVisible(true);
#else
getFortuneButton->setEnabled(true);
#endif
}
void BlockingClient::displayError(int socketError, const QString &message)
{
switch (socketError) {
case QAbstractSocket::HostNotFoundError:
QMessageBox::information(this, tr("Blocking Fortune Client"),
tr("The host was not found. Please check the "
"host and port settings."));
break;
case QAbstractSocket::ConnectionRefusedError:
QMessageBox::information(this, tr("Blocking Fortune Client"),
tr("The connection was refused by the peer. "
"Make sure the fortune server is running, "
"and check that the host name and port "
"settings are correct."));
break;
default:
QMessageBox::information(this, tr("Blocking Fortune Client"),
tr("The following error occurred: %1.")
.arg(message));
}
#ifdef Q_OS_SYMBIAN
fortuneAction->setVisible(true);
#else
getFortuneButton->setEnabled(true);
#endif
}
void BlockingClient::enableGetFortuneButton()
{
bool enable(!hostLineEdit->text().isEmpty() && !portLineEdit->text().isEmpty());
#ifdef Q_OS_SYMBIAN
fortuneAction->setVisible(enable);
#else
getFortuneButton->setEnabled(enable);
#endif
}