Re: g_cclosure_marshal and enum parameter

[Johan Dahlin <johan gnome org>]

nicola fragale wrote:
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>
> Hello,
>
> I have a problem with a signal I'm trying to implement. My signal has 2
> parameter, the second is an enum.
> This is the code
>
> ~  rubrica_cards_view_signals[MARK] =
> ~    g_signal_new("mark",
> ~         RUBRICA_CARDS_VIEW_TYPE,
> ~         G_SIGNAL_RUN_LAST,
> ~         G_STRUCT_OFFSET(RubricaCardsViewClass, mark),
> ~         NULL,
> ~         NULL,
> ~         g_cclosure_user_marshal_VOID__LONG_ENUM,
> ~         G_TYPE_NONE,
> ~         2,
> ~         G_TYPE_LONG,
> ~         G_TYPE_ENUM);
>
> when I run my program I receve this warnig
> GLib-GObject-WARNING **: gsignal.c:1270: parameter 2 of type `GEnum' for
> signal "RubricaCardsView::mark" is not a value type
>
> I tryed to change enum with int, but callback function doesn't receive
> the second value, just the first.
> I read man pages and see that I shoul use glib-mkenums, but I can't
> figure how. Can someone explains the steps I have to do or point me to a
> solutions?

You need to provide the GEnum type you want to use as and argument, for 
example RUBRICA_TYPE_MARK. This obviously require you to register GTypes for
all the enums you want to use as signal arguments.

Johan