//main.cpp
#include <QtGui/QApplication>
#include <QtDeclarative>
#include "qmlapplicationviewer.h"
#include "app.h"

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

    qmlRegisterType<App>( "App", 1, 0, "App" );

    QmlApplicationViewer viewer;
    viewer.setOrientation(QmlApplicationViewer::ScreenOrientationAuto);
    viewer.setMainQmlFile(QLatin1String("qml/App/main.qml"));
    viewer.showExpanded();

    return app.exec();
}

//main.qml
import QtQuick 1.1
import com.nokia.meego 1.0
import App 1.0

PageStackWindow {
    App {
        onSignalReceived: console.log( "blah" )
    }
}