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main.cpp Example File
messageviewer/main.cpp

    /****************************************************************************
    **
    ** This file is part of the Qt Extended Opensource Package.
    **
    ** Copyright (C) 2009 Trolltech ASA.
    **
    ** $QT_EXTENDED_DUAL_LICENSE$
    **
    ****************************************************************************/

    #include "messageviewer.h"
    #include <qtopiaapplication.h>

    // Comment out this line to use a manual main() function.
    // Ensure you also remove CONFIG+=qtopia_main from qbuild.pro if you do this.
    #define USE_THE_MAIN_MACROS

    #ifdef USE_THE_MAIN_MACROS

    QTOPIA_ADD_APPLICATION(QTOPIA_TARGET, MessageViewer)
    QTOPIA_MAIN

    #else

    #ifdef SINGLE_EXEC
    QTOPIA_ADD_APPLICATION(QTOPIA_TARGET, exampleapp)
    #define MAIN_FUNC main_exampleapp
    #else
    #define MAIN_FUNC main
    #endif

    // This is the storage for the SXE key that uniquely identified this applicaiton.
    // make will fail without this!
    QSXE_APP_KEY

    int MAIN_FUNC( int argc, char **argv )
    {
        // This is required to load the SXE key into memory
        QSXE_SET_APP_KEY(argv[0]);

        QtopiaApplication a( argc, argv );

        // Set the preferred document system connection type
        QTOPIA_SET_DOCUMENT_SYSTEM_CONNECTION();

        MessageViewer *mw = new MessageViewer();
        a.setMainWidget(mw);
        if ( mw->metaObject()->indexOfSlot("setDocument(QString)") != -1 ) {
            a.showMainDocumentWidget();
        } else {
            a.showMainWidget();
        }
        int rv = a.exec();
        delete mw;
        return rv;
    }

    #endif