Single_application::Single_application(int &argc, char *argv[], const QString uniqueKey): QApplication(argc, argv)
{
{
// player = new QMediaPlayer();
// QDialog* lol =new QDialog;
// QGridLayout* lal = new QGridLayout;
// // playlist = new QMediaPlaylist(player);
ply = new video_player();
sharedMemory.setKey(uniqueKey);
// when can create it only if it doesn't exist
if (sharedMemory.create(5000))
{
sharedMemory.lock();
*(char*)sharedMemory.data() = '\0';
sharedMemory.unlock();
alreadyExists = false;
// start checking for messages of other instances.
QTimer *timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(checkForMessage()));
timer->start(200);
}
// it exits, so we can attach it?!
else if (sharedMemory.attach()){
alreadyExists = true;
}
else{
// error
}
}
}
SingleApplication::SingleApplication(int &argc, char *argv[], const QString uniqueKey) : QApplication(argc, argv)
{
sharedMemory.setKey(uniqueKey);
if (sharedMemory.attach())
_isRunning = true;
else
{
_isRunning = false;
// attach data to shared memory.
QByteArray byteArray("0"); // default value to note that no message is available.
if (!sharedMemory.create(byteArray.size()))
{
qDebug("Unable to create single instance.");
return;
}
sharedMemory.lock();
char *to = (char*)sharedMemory.data();
const char *from = byteArray.data();
memcpy(to, from, qMin(sharedMemory.size(), byteArray.size()));
sharedMemory.unlock();
// start checking for messages of other instances.
QTimer *timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(checkForMessage()));
timer->start(1000);
}
}
SingleApplication::SingleApplication(int &argc, char *argv[], const QString uniqueKey) : QApplication(argc, argv)
{
sharedMemory.setKey(uniqueKey);
// when can create it only if it doesn't exist
if (sharedMemory.create(5000))
{
sharedMemory.lock();
*(char*)sharedMemory.data() = '\0';
sharedMemory.unlock();
bAlreadyExists = false;
// start checking for messages of other instances.
QTimer *timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(checkForMessage()));
timer->start(200);
}
// it exits, so we can attach it?!
else if (sharedMemory.attach()){
bAlreadyExists = true;
}
else{
// error
}
}
//! [0]
S2Controller::S2Controller(QWidget *parent): QWidget(parent), networkSession(0)
{
hostLabel = new QLabel(tr("&Server name:"));
portLabel = new QLabel(tr("S&erver port:"));
cmdLabel = new QLabel(tr("Command:"));
QString ipAddress;
ipAddress = QHostAddress(QHostAddress::LocalHost).toString();
int portnumber= 1236;
hostLineEdit = new QLineEdit("10.128.48.53");
portLineEdit = new QLineEdit("1236");
portLineEdit->setValidator(new QIntValidator(1, 65535, this));
cmdLineEdit = new QLineEdit;
hostLabel->setBuddy(hostLineEdit);
portLabel->setBuddy(portLineEdit);
statusLabel = new QLabel(tr(" - - - "));
sendCommandButton = new QPushButton(tr("Send Command"));
sendCommandButton->setDefault(true);
sendCommandButton->setEnabled(true);
connectButton = new QPushButton(tr("connect to PrairieView"));
connectButton->setEnabled(true);
quitButton = new QPushButton(tr("Quit"));
getReplyButton = new QPushButton(tr("get reply"));
buttonBox = new QGroupBox;
QVBoxLayout *vb = new QVBoxLayout;
vb->addWidget(sendCommandButton);
vb->addWidget(quitButton);
vb->addWidget(connectButton);
vb->addWidget(getReplyButton);
buttonBox->setLayout(vb);
tcpSocket = new QTcpSocket(this);
connect(hostLineEdit, SIGNAL(textChanged(QString)),
this, SLOT(enablesendCommandButton()));
connect(portLineEdit, SIGNAL(textChanged(QString)),
this, SLOT(enablesendCommandButton()));
connect(sendCommandButton, SIGNAL(clicked()),
this, SLOT(sendCommand()));
connect(connectButton, SIGNAL(clicked()), this, SLOT(initializeS2()));
connect(tcpSocket, SIGNAL(readyRead()), this, SLOT(checkForMessage()));
connect(this, SIGNAL(messageIsComplete()), this, SLOT(processMessage()));
connect(this, SIGNAL(newMessage(QString)),
this, SLOT(messageHandler(QString)));
connect(this, SIGNAL(newMessage(QString)),
this, SLOT(posMonListener(QString)));
connect(quitButton, SIGNAL(clicked()), this, SLOT(sendX()));
connect(tcpSocket, SIGNAL(error(QAbstractSocket::SocketError)),
this, SLOT(displayError(QAbstractSocket::SocketError)));
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(cmdLabel, 2,0);
mainLayout->addWidget(cmdLineEdit,2,1);
mainLayout->addWidget(statusLabel, 3, 0, 1, 2);
mainLayout->addWidget(buttonBox, 4, 0, 1, 2);
setLayout(mainLayout);
setWindowTitle(tr("smartScope2 Controller"));
portLineEdit->setFocus();
QNetworkConfigurationManager manager;
if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {
// Get saved network configuration
QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
settings.beginGroup(QLatin1String("QtNetwork"));
const QString id = settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();
settings.endGroup();
// If the saved network configuration is not currently discovered use the system default
QNetworkConfiguration config = manager.configurationFromIdentifier(id);
if ((config.state() & QNetworkConfiguration::Discovered) !=
QNetworkConfiguration::Discovered) {
config = manager.defaultConfiguration();
}
networkSession = new QNetworkSession(config, this);
connect(networkSession, SIGNAL(opened()), this, SLOT(sessionOpened()));
sendCommandButton->setEnabled(false);
statusLabel->setText(tr("Opening network session."));
networkSession->open();
}
//enablesendCommandButton();
//! [5]
ii =-1;
okToSend= true;
cancelPosMon = false;
inPosMonMode = false;
}
