[SailfishDevel] QML C++ Integration not working in Sailfish

[Harald Schmitt]

Am 26.02.2014 11:46, schrieb antonio.cano.gomez at ovi.com:
> Hi J-P,
> 
> It is not working as I try to call the method generateFilterInvokable2()
> 
> in the function:
> 
> function createBloomFilter() {
>     getAppState().filterCharged = true;
>     Bloomfilters.generateFilterInvokable2()
>     console.log("Called")
> }
> 
> And as result "Called" is never printed. So I guess that it crashes.
I would add an
console.log("Before called")
and see whether the createBloomFilter() function is entered at all.

> 
> El Miércoles 26 de febrero de 2014 0:30, Sylvain B. <sthocs at hotmail.com>
> escribió:
> 
>     No, I am able to invoke c++ methods from QML while having exposed
>     them the exact same way.
>     The only difference would be that my constructor is a simple
>     "Bloomfilters()".
>     So same question than J-P: what exactly isn't working?
> 
>     > Date: Tue, 25 Feb 2014 16:31:13 +0100
>     > From: mikelima at gmail.com
>     > To: antonio.cano.gomez at ovi.com; devel at lists.sailfishos.org
>     > Subject: Re: [SailfishDevel] QML C++ Integration not working in
>     Sailfish
>     >
>     > I think you need to add a qRegisterMetatype() to be able to invoke
>     > methods from qml.
>     >
>     > On Tue, Feb 25, 2014 at 3:06 PM, <antonio.cano.gomez at ovi.com> wrote:
>     > > Hi,
>     > >
>     > > I am trying to do a simple Sailfish aplication that uses a c++
>     library. I
>     > > try to connect my qml code with the C++ code.
>     > >
>     > > First I create QObject extended library:
>     > >
>     > > #ifndef BLOOMFILTERS_H
>     > > #define BLOOMFILTERS_H
>     > >
>     > >
>     > > #include <QObject>
>     > > #include "svn/bloom-read-only/bloom_filter.hpp"
>     > >
>     > > class Bloomfilters : public QObject
>     > > {
>     > > Q_OBJECT
>     > >
>     > >
>     > > public:
>     > > Q_INVOKABLE void generateFilterInvokable2() const ;
>     > > Q_INVOKABLE void generateFilterInvokable(const QString &cadenaK,
>     const
>     > > QString &cadenaM) const ;
>     > >
>     > >
>     > > explicit Bloomfilters(QObject *parent = 0);
>     > >
>     > > void generateFilter() ;
>     > >
>     > > Q_INVOKABLE void insertElement(const QString &cadena) ;
>     > >
>     > > Q_INVOKABLE bool checkElement(const QString &cadena) ;
>     > >
>     > >
>     > >
>     > >
>     > > signals:
>     > >
>     > >
>     > > public slots:
>     > >
>     > > private:
>     > > bloom_parameters _parameters ;
>     > > bloom_filter _filter;
>     > > bool _filter_charged;
>     > > QString _k;
>     > > };
>     > >
>     > > #endif // BLOOMFILTERS_H
>     > >
>     > >
>     > >
>     > > An I try to connect this with my sailfish application with the code:
>     > >
>     > > QGuiApplication *app = SailfishApp::application(argc, argv);
>     > > QQuickView *view = SailfishApp::createView();
>     > > Bloomfilters * bloomfilters = new Bloomfilters();
>     > > view->rootContext()->setContextProperty("Bloomfilters",
>     > > bloomfilters);
>     > > view->setSource(SailfishApp::pathTo("qml/bloomfilter.qml"));
>     > > view->showFullScreen();
>     > > return app->exec();
>     > >
>     > > But this is not working.
>     > >
>     > > Someone have any idea about what am I doing wrong?
>     > >
>     > > Best Regards!
>     > >
>     > >
>     > >
>     > > _______________________________________________
>     > > SailfishOS.org Devel mailing list
>     >
>     >
>     >
>     > --
>     > Luciano Montanaro
>     >
>     > Anyone who is capable of getting themselves made President should on
>     > no account be allowed to do the job. -- Douglas Adams
> 
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