Re: modifying Gtk2::TreeIter contents

[muppet <scott asofyet org>]

On Jul 4, 2008, at 8:23 PM, Kevin Ryde wrote:

> I'm tinkering with a custom treemodel and thought to implement a
> `remove' method behaving the same as the remove method of
> Gtk2::ListStore.  That would mean modifying the given iter to refer to
> the row after the one removed.  Is there a secret way to modify the
> contents of a boxed-up Gtk2::TreeIter?

Not really.  I think the trick is to bump your model's stamp to  
invalidate all existing iters and require the caller to acquire new  
ones.  You can use a Path instead of an Iter to keep track of where  
you were (the Path is essentially a list of indices; if you remove 10,  
then 10 is now automatically pointing at what used to be the next one).

(I've said it a billion times before, but the iters are a major pain  
for bindings.)


--
Me:  What's that in your mouth?
Zella:  *swallows laboriously*  Nothing.
Me:  What did you just swallow?
Zella:  A booger.
Me:  Baby girl, don't eat boogers.  That's gross.
Zella:  But it was in my nose.