Re: Synchronization of gtk_tree_store add/remove events

[David NeÄas <yeti physics muni cz>]

On Wed, Sep 19, 2012 at 09:44:28PM +0200, Arne Pagel wrote:
> I have an application where I use a tree-view to display some data
> from an external hardware.  Different Objects can be added or removed
> to the treestore, each existing object in the treestore has a specific
> id which is used to get data over some communication interface.
>
> It can easily happen, the the user deselects an object in the
> treestore while this communication is ongoing.  This means that my
> treepath or iter which I rembered befor is not valid anymore after the
> communication has finished (*1).

Did you mean deletes instead of deselects here?  The rest of the
description would make much more sense to me then.

Anyway, I think GtkTreeRowReference is what you need â a thing that
points to a specific row that may not exist anymore and it had a method
to tell whether the row still exists.

Yeti