Re: [evolution-patches] Re: [Evolution-hackers] HELP, question abount deleting a message in the message-list

[Not Zed <notzed ximian com>]

Well do you have a proposed solution?  I just said what we use in the mailer, it didn't mean it would help.  I don't see why you should be using any model stuff though, since presumably for a11y you're talking about on-screen stuff, which should always go through the view.

On Fri, 2004-04-09 at 22:03 +0800, Eric Zhao wrote:
> Hi,
>    Thank you for your replies, and sorry for my slow response, :P
>
>    I have just browsed the codes of message-list.c(evolution) and
> e-tree-memory(gal) again, the following is the source code when a
> message deleted, and no row-deleted signal will be emitted. (In most
> situations, etree->priv->frozen will be non-zero)
>
> e-tree-memory.c: e_tree_memory_node_remove
> ...
>         if (!etree->priv->frozen)
>                 e_tree_model_node_removed(E_TREE_MODEL(etree), parent,
> path, old_position);
>                                                                                                                   
>         child_free(etree, path);
>                                                                                                                   
>         if (path == etree->priv->root)
>                 etree->priv->root = NULL;
>                                                                                                                   
>         if (!etree->priv->frozen)
>                 e_tree_model_node_deleted(E_TREE_MODEL(etree), path);
> ...
>
>    And when deleting message, multi messages can be seleted and deleted
> at a time, so listening to the view's signal may not be enough to figure
> out which rows have been deleted.
>   
>    Thanks,
>
> --Eric
>
> On Wed, 2004-04-07 at 10:33 -0400, JP Rosevear wrote:
>
> > On Wed, 2004-04-07 at 21:39 +0800, Not Zed wrote:
> > > In the mailer we listen to both the cursor changed and selection changed
> > > signal to find out when things change in the tree.  But that might not
> > > help you at all.
> > > 
> > > I presume the accessibility stuff should be on the view rather than the
> > > model right?  You're not getting any cursor changed stuff?  I think
> > > cursor changed used to happen when the cursor got unset too but now i
> > > dont think it does (why we have to listen to selection changed too - but
> > > that might not help you).
> > 
> > Does the model used by the mailer not emit a more granular row deleted
> > signal?  I suspect it must if speed of the delete is any indication.
> > 
> > -JP
> > -- 
> > JP Rosevear <jpr ximian com>
> > Novell, Inc.
> > 
> > _______________________________________________
> > Evolution-patches mailing list
> > Evolution-patches lists ximian com
> > http://lists.ximian.com/mailman/listinfo/evolution-patches

Michael Zucchi <notzed ximian com> Ximian Evolution Software Developer

Novell, Inc.