Re: Make GCancellable subclassable?

[Alexander Larsson <alexl redhat com>]

On Fri, 2009-06-19 at 22:02 +0200, Sven Neumann wrote:
> Hi,
> 
> On Fri, 2009-06-19 at 10:29 +0100, Richard Hughes wrote:
> 
> > It would be really great to wrap GCancellable in another object, in my
> > case PkCancellable and add the extra functionality there.
> > Unfortunately _GCancellable is private and not public, and thus can't
> > be subclassed. I've attached a patch to make it public, and use a
> > _GCancellablePrivate struct, which solves my problem nicely.
> 
> Very nice. I have frequently hit the problem that objects in GTK+ and
> GLib are hard, if not impossible, to subclass. +1 from me for your
> patch.
> 
> I'd also welcome if GCancellable and GInitable could be moved to
> GObject. They are potentially useful outside GIO.

Why can't you not use them from GIO? GIO is a general library that has
the same availability as gobject (ship in same tarball) and no
significant extra cost (gtk+ links to it anyway).

If you don't use the GVfs related stuff in libgio then gvfs won't be
used.