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List: gtk-devel
Subject: Re: Sinkability considered harmful
From: "Gustavo J. A. M. Carneiro" <gjc () inescporto ! pt>
Date: 2006-01-04 0:15:08
Message-ID: 1136333708.24121.20.camel () localhost ! localdomain
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On Tue, 2006-01-03 at 18:52 -0500, Owen Taylor wrote:
> On Tue, 2006-01-03 at 23:43 +0000, Gustavo J. A. M. Carneiro wrote:
> > Completely agree. Interesting read too. I'd just like to add one
> > more thing.
> >
> > g_object_new *should* always return a new reference, to be owned by
> > the caller. It usually does, except for g_object_new(GTK_TYPE_WINDOW,
> > NULL), in which case the caller does not own the object ref. I don't
> > quite understand how this happened. It should not be due to backward
> > compatibility because this is a new API (in glib 2.0).
>
> See my last mail explaining why g_object_new(GTK_TYPE_WINDOW) is just
> like g_object_new(GTK_TYPE_ENTRY). You don't own the initial reference
> in either case.
>
In your last email you don't say anything about GTK_TYPE_ENTRY, as far
as I can see. And the explanation "GtkWindow's are created owning
their own refcount, which they unref on ::destroy" does not justify
anything, it merely states a fact. I can almost understand why, in C,
gtk_window_new() can return a borrowed reference. But g_object_new() is
a rather different API; it is mostly oriented towards language bindings
(or at least that's what it looks to me) and so it should be clean of
the inconsitencies that plague the gtk_*_new functions.
And are you sure g_object_new(GTK_TYPE_ENTRY) returns a borrowed
reference? If so, you may have uncovered a PyGTK bug, and would just
emphasizes how bad this inconsistency is.
Regards.
--
Gustavo J. A. M. Carneiro
<gjc@inescporto.pt> <gustavo@users.sourceforge.net>
The universe is always one step beyond logic
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