Qt Reference Documentation

# listnames.cpp Example File

dbus/listnames/listnames.cpp

     /****************************************************************************
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     #include <QtCore/QCoreApplication>
     #include <QtCore/QDebug>
     #include <QtCore/QStringList>
     #include <QtDBus/QtDBus>

     void method1()
     {
         qDebug() << "Method 1:";

         QDBusReply<QStringList> reply = QDBusConnection::sessionBus().interface()->registeredServiceNames();
         if (!reply.isValid()) {
             qDebug() << "Error:" << reply.error().message();
             exit(1);
         }
         foreach (QString name, reply.value())
             qDebug() << name;
     }

     void method2()
     {
         qDebug() << "Method 2:";

         QDBusConnection bus = QDBusConnection::sessionBus();
         QDBusInterface dbus_iface("org.freedesktop.DBus", "/org/freedesktop/DBus",
                                   "org.freedesktop.DBus", bus);
         qDebug() << dbus_iface.call("ListNames").arguments().at(0);
     }

     void method3()
     {
         qDebug() << "Method 3:";
         qDebug() << QDBusConnection::sessionBus().interface()->registeredServiceNames().value();
     }

     int main(int argc, char **argv)
     {
         QCoreApplication app(argc, argv);

         if (!QDBusConnection::sessionBus().isConnected()) {
             fprintf(stderr, "Cannot connect to the D-Bus session bus.\n"
                     "To start it, run:\n"
                     "\teval `dbus-launch --auto-syntax`\n");
             return 1;
         }

         method1();
         method2();
         method3();

         return 0;
     }