Re: GtkTreeView doesn't refresh

[Jarosław Sobieszek <j sobieszek neo pl>]

On Wed, 27 Nov 2013 14:19:37 +0100, Colomban Wendling
<lists ban herbesfolles org> wrote:
> Le 27/11/2013 12:57, Jarosław Sobieszek a écrit :
> > Hello,
> >
> > I'm trying to dynamically modify list based on some action. Program
below
> > should add 3 rows at the top and 3 rows at the bottom of the list for
> > every
> > click of the button. For some reason it doesn't work - I'm seeing
partial
> > updates with random amount of data (only 2 top rows on first click,
then
> > 5
> > at the bottom, on 3rd click the list looks ok (9 rows added at the top
> > and
> > 9 rows added at the bottom)). I've tested this under gtk2 and it works
> > ok.
> > Am I missing something or is it a bug in gtk3 (gtk3-3.8.6 under Fedora
> > 19)?
>
> I'd say it's a bug in tree view sizing in GTK3.
>
> Actually, the list is correctly updated, but the view only request space
> for the initial data, and not for the newly added.  And since in your
> case you don't pack it in a ScrolledWindow, the view should grow its
> size request.
>
> You can see what really happens by making your tree view expand
> (gtk_box_pack_start(GTK_BOX(box), tree, TRUE, TRUE, 0) instead of
> container_add(box, tree)): you will see that if you resize the window
> manually you see the "missing" rows.

Yes I'd normally put it in ScrolledWindow but I wanted to test something
and skipped that step. The partial refresh was a bit baffling (and probably
slightly buggy) since I'd expect it to either update everything or nothing
at all, but it's easy to work around that.

Thanks for both answers.

Jarek