I start to port

        KURL url;
        url.setPath( tmp_filename + ".html" );
        kdDebug() << "Opening URL: " << url.htmlURL() << endl;

        KParts::URLArgs args (browserExtension()->urlArgs());
        args.reload=true; // Don't use the cache
        browserExtension()->setURLArgs(args);

        openURL( url );
 


        Into


        KUrl url;
        url.setPath( tmp_filename + ".html" );
        kDebug() << "Opening URL: " << Qt::escape(url.prettyUrl()) << endl;

        KParts::BrowserArguments args ( ??? );

        KParts::OpenUrlArguments argsUrl ( arguments() );
        argsUrl.setReload( true ); // Don't use the cache
        browserExtension()->setBrowserArguments(args);

        openUrl( url );