Re: Adding event on a bool in ListStore

[Bob Caryl <bob fis-cal com>]

N poleone wrote:

> On 1/24/06, Bob Caryl <bob fis-cal com> wrote:
>  
>
> > Connect your callback slot to the
> > Gtk::CellRendererToggle::signal_toggled signal.
> >
> > Bob
> >
> >    
>
> I'm trying to do that, but I can't reach it. This is my code:
> dynamic_cast<Gtk::CellRendererToggle
> *>(this->treeviewIntercettazioniRisultati->get_column_cell_renderer(10))->signal_toggled().connect(SigC::slot(*this,&window1::on_toggled),false);
>
> where on_toggled is the callback function defined in window1 with the
> widget treeviewIntercettazioniRisultati.
>
> The error is on the line of the dynamic_cast and it is:
>
> /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h: In member
> function `typename
> sigc::adaptor_functor<T_functor>::deduce_result_type<T_arg1, void,
> void, void, void, void, void>::type
> sigc::adaptor_functor<T_functor>::operator()(T_arg1) const [with
> T_arg1 = const Glib::ustring&, T_functor = SigC::Slot0<void>]':
> /usr/include/sigc++-2.0/sigc++/functors/slot.h:136:   instantiated
> from `static T_return sigc::internal::slot_call1<T_functor, T_return,
> T_arg1>::call_it(sigc::internal::slot_rep*, typename
> sigc::type_trait<T_arg3>::take) [with T_functor = SigC::Slot0<void>,
> T_return = void, T_arg1 = const Glib::ustring&]'
> /usr/include/sigc++-2.0/sigc++/functors/slot.h:144:   instantiated
> from `static void*(* sigc::internal::slot_call1<T_functor, T_return,
> T_arg1>::address())(void*) [with T_functor = SigC::Slot0<void>,
> T_return = void, T_arg1 = const Glib::ustring&]'
> /usr/include/sigc++-2.0/sigc++/functors/slot.h:529:   instantiated
> from `sigc::slot1<T_return, T_arg1>::slot1(const T_functor&) [with
> T_functor = SigC::Slot0<void>, T_return = void, T_arg1 = const
> Glib::ustring&]'
> /usr/include/sigc++-2.0/sigc++/functors/slot.h:1157:   instantiated
> from `sigc::slot<T_return, T_arg1, sigc::nil, sigc::nil, sigc::nil,
> sigc::nil, sigc::nil, sigc::nil>::slot(const T_functor&) [with
> T_functor = SigC::Slot0<void>, T_return = void, T_arg1 = const
> Glib::ustring&]'
> /home/napoleone/workspace/Prototipo_DF/src/window1.cc:528:  
> instantiated from here
> /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84: error: no
> match for call to `(SigC::Slot0<void>) (const Glib::ustring&)'
> /usr/include/sigc++-2.0/sigc++/functors/slot.h:438: note: candidates
> are: T_return sigc::slot0<T_return>::operator()() const [with T_return
> = void]
> /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84: error:
> return-statement with a value, in function returning 'void'
>
> Bye
>
> --
> Ciao da
> N poleone (ICQ# 266220356; MSN Messenger: napoleone1981 yahoo it)
> "Le battaglie si vincono con gli uomini che si hanno, non con quelli che
> si vorrebbero" (Napoleone Bonaparte)
> "Le cose che possiedi prima o poi ti possiedono..." (Fight Club)
> "Le donne possono avere bambini...gli uomini computers" (Anonimo)
>
>  
The prototype of your callback slot is undoubtedly incorrect.  Check the 
callback slot prototyping information for signal_toggled for guidance.

Bob

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