MeeGo 1.2 Harmattan Developer Documentation Develop for the Nokia N9

main.cpp Example File

publish-subscribe/main.cpp
 /****************************************************************************
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 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Mobility Components.
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 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
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 #include "publisherdialog.h"
 #include "subscriberdialog.h"

 #include <QApplication>

 #include <qvaluespace.h>

 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);

     app.setOrganizationDomain("qt.nokia.com");
     app.setApplicationName("Publish Subscribe Example");

     bool createDefault = true;
     bool createPublisher = false;
     bool createSubscriber = false;

     for (int i = 1; i < argc; ++i) {
         if (argv[i] == QLatin1String("-server")) {
             QValueSpace::initValueSpaceServer();
         } else if (argv[i] == QLatin1String("-publisher")) {
             createPublisher = true;
             createDefault = false;
         } else if (argv[i] == QLatin1String("-subscriber")) {
             createSubscriber = true;
             createDefault = false;
         }
     }

     PublisherDialog *publisher = 0;
     if (createDefault || createPublisher) {
         publisher = new PublisherDialog;
         QObject::connect(publisher, SIGNAL(rejected()), &app, SLOT(quit()));
 #ifndef QTM_EXAMPLES_SMALL_SCREEN
         publisher->show();
 #endif
     }

     SubscriberDialog *subscriber = 0;
     if (createDefault || createSubscriber) {
         subscriber = new SubscriberDialog;
         QObject::connect(subscriber, SIGNAL(rejected()), &app, SLOT(quit()));
 #ifndef QTM_EXAMPLES_SMALL_SCREEN
         subscriber->show();
 #else
         subscriber->showMaximized();
 #endif
     }

 #ifdef QTM_EXAMPLES_SMALL_SCREEN
     QObject::connect(publisher, SIGNAL(switchRequested()), subscriber, SLOT(showMaximized()));
     QObject::connect(publisher, SIGNAL(switchRequested()), subscriber, SLOT(repaint()));
     QObject::connect(publisher, SIGNAL(switchRequested()), publisher, SLOT(hide()));

     QObject::connect(subscriber, SIGNAL(switchRequested()), publisher, SLOT(showMaximized()));
     QObject::connect(subscriber, SIGNAL(switchRequested()), publisher, SLOT(repaint()));
     QObject::connect(subscriber, SIGNAL(switchRequested()), subscriber, SLOT(hide()));
 #endif

     int result = app.exec();

     if (publisher)
         delete publisher;
     if (subscriber)
         delete subscriber;

     return result;
 }