Re: [GObject] Extending properties



On Tue, 2008-10-14 at 12:44 -0400, Tristan Van Berkom wrote:
> On Tue, Oct 14, 2008 at 4:08 AM, Maciej Piechotka <uzytkownik2 gmail com> wrote:
> > For some reason I have to 'extend' the property. I.e. the parent had
> > G_READABLE and the child has to have G_READABLE | G_CONSTRUCT_ONLY.
> >
> > Is such construction correct:
> >
> > GParamSpec *spec;
> >
> > g_object_class_override_property (gobject_class, PROP_FOO, "foo");
> > spec = g_object_class_find_property (gobject_class, "foo");
> > spec->flags |= G_PARAM_CONSTRUCT;
> >
> > Is (for GParamSpecObject) this correct:
> > spec->value_type = BAR_TYPE_CHILD
> >
> > Assuming BarChild is child of the original class?
> >
> 
> According to the docs your code is safe, although I've
> always used g_object_class_install_property() directly
> in a subclass if I needed to change the default or flags...
> so I would say that is also safe.
> 
> Cheers,
>                     -Tristan

Ok. I didn't know I can use gocip directly.

Regards

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