Fwd: Get signals and callbacks.

["Germán Diago" <germandiago gmail com>]

---------- Forwarded message ----------
From: Germán Diago <germandiago gmail com>
Date: 26-feb-2008 17:45
Subject: Re: Get signals and callbacks.
To: gtk-app-devel gnome org



2008/2/26, Germán Diago <germandiago gmail com>:
> 2008/2/26, Murray Cumming <murrayc murrayc com>:
> > On Tue, 2008-02-26 at 14:19 +0100, Germán Diago wrote:
> > > Hello. I'm implementing an application in gtkmm. I want to add support
> > for
> > > dynamic signal
> > > connection from a glade file in C++ (which is not supported by the C++
> > > bindings).
> > >
> > > I'd like to know if there is a way, once a glade file has been
> > instantiated,
> > > to obtain information about
> > > the signals and handlers attached to every widget from the Gobject
> > objects
> > > and how I should do it.
> > >
> > > I tried to  do like this:
> > >
> > >
> > > guint nids = 0;
> > > guint * ids = g_signal_list_ids(g_type_from_name("GtkButton"), &nids);
> > >
> > >  std::cout << nids << std::endl;
> > >  std::cout << g_signal_name(ids[23]) << std::endl;
> > >
> > >
> > > but if I use GtkButton, nids == 0. However, when I use "GtkWidget" I
> > get
> > > a 67 and signals can be get with the function g_signal_names(ids[i]);
> > >
> > > This code is to get available signals, but not the real connections
> > between
> > > objects. Can help, please?
> >
> >
> > The get_signals() code here might provide some hints:
> >
> > http://svn.gnome.org/viewvc/glibmm/trunk/tools/extra_defs_gen/generate_extra_defs.cc?view=markup
> >
> > I am not at all optimistic that we can do autoconnection, but I am happy
> > that you are trying.
> >
> >
> > --
> > murrayc murrayc com
> > www.murrayc.com
> > www.openismus.com
> > >
>
>
> Maybe a better way would be to parse the glade file itself and extract the
> info from there. But this way I cannot get
> introspection info about the type of the parameters and so on to be able
> to check if the connected slots are compatibles
> with the signal.