Re: Custom TreeModel

[Kevin Ryde]

Dave Howorth  writes:
>
> are not valid when the model is changed, even though get_flags returns
> 'iters-persist'.

Hmm.  That's not quite right is it?  Is it referring to the way a
Gtk2::TreeIter object in a signal callback is no good outside that
callback (unless copied)?  Like the next sentence about ->foreach?


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Re: Custom TreeModel

[Dave Howorth]

Kevin Ryde wrote:
> Oh, if you set iters-persist per your first post then the iter has to be
> good for as long as the row exists.

Is that correct? It seems to contradict the docs:



"The iterators are generally used only for a short time, and their
behaviour is different to that suggested by the Gtk+ documentation. They
are not valid when the model is changed, even though get_flags returns
'iters-persist'. Iterators obtained within a GtkTreeModelForeachFunc are
also invalid after the foreach terminates. There may be other such
cases. In the foreach case, and perhaps others, a persistent iterator
may be obtained by copying it (see Glib::Boxed->copy)."

I'm not clear if iters-persist has any effect for a TreeModel?

Cheers, Dave
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