Hey, not sure if you solved your problem by now, but here is one solution. I've notice you are trying to pass a string. If you change the const QVariant& to a const QString& parameter it will call the proper overloaded function for you.
On Mon, Feb 16, 2015 at 7:17 AM, Federico Buti <bacaro...@gmail.com> wrote: > Ok...sorry for the spam. I've just noticed this sentence in the > documentation QVariantList and QVariantMap to JavaScript Array and Object > <http://doc.qt.io/qt-5/qtqml-cppintegration-data.html>: > > [...] Similarly, if a C++ type uses a QVariantList > <http://doc.qt.io/qt-5/qvariant.html#QVariantList-typedef> or QVariantMap > <http://doc.qt.io/qt-5/qvariant.html#QVariantMap-typedef> type for a > property type or method parameter, the value can be created as a JavaScript > array or object in QML, and is automatically converted to aQVariantList > <http://doc.qt.io/qt-5/qvariant.html#QVariantList-typedef> or QVariantMap > <http://doc.qt.io/qt-5/qvariant.html#QVariantMap-typedef> when it is > passed to C++. > > So, following that "or object in QML", is this the case I've encountered? > The string object was trasformed in a QVariantList, matching the first > signature in the reorderd header? > Thanks again, > F. > > --- > Federico Buti > > On 16 February 2015 at 13:09, Federico Buti <bacaro...@gmail.com> wrote: > >> Hi list. >> >> I've made an intensive use of INVOKABLE/SLOT functions in QML and I've >> never encounted any problem. Up until now. >> >> I'm sure that function overloading works properly since I've used it a >> lot (also the related commit can be found here >> <https://qt.gitorious.org/qt/tmartsums-qt/commit/1d7b672fd46abab51a0124ad19aad18e5d14f1a8>). >> However, I've noticed a strange behaviour by working with the >> ArrayDataModel available here <https://github.com/dridk/ArrayDataModel>. >> >> I've registered an instance of the model as a context property in the >> usual way: >> >> ArrayDataModel model; >> >> engine.rootContext()->setContextProperty("model", &model); >> >> >> Then in QML I've inserted a call to a SLOT in this way: >> >> Button { >> >> text: "click me!" >> >> onClicked: { >> >> model.insert(model.size(), "Item " + (model.size() + 1)); >> >> } >> >> } >> >> >> Theoretically, the method to be invoked by the runtime should be >> >> void insert (int i, const QVariant &value); >> >> >> However, if I exchange position of overloaded functions, i.e. if I write >> the header as >> ββ >> >> Q_SLOT void insert (int i, const QVariant &value); >> >> Q_SLOT void insert (int i, const QVariantList &values); >> >> >> instead of the original >> >> Q_SLOT void insert (int i, const QVariantList &values); >> >> Q_SLOT void insert (int i, const QVariant &value); >> >> >> the function which is called is (wrongly) >> >> >> >> Q_SLOT void insert (int i, const QVariantList &values); >> >> >> βIs this >> β a BUG, an intended behaviour, a specific conversion JS <--> C++, e.g. >> the parameter is seen as a single-item-array and made match with the wrong >> overload? Or something else I cannot understand? :) >> Thanks in advance for any insight, >> F. >> > > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest > >
_______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest
