Re: GtkTreeView: displaying structures and sorting

[Havoc Pennington <hp redhat com>]

martine cs washington edu writes: 
> I've scoured the documentation and glanced over the mailing list, and
> I'm surprised this isn't a FAQ. 

TreeView is so new we don't have enough sample data to recognize FAQs
yet (except "how do I set the color of a row" ;-)

> At least in the context of this
> program, there are many different places where I want to display some
> sort of list of structures, and I imagine that most other programs would
> too.
>
> So how should I be doing it?  (Assume that my structure is sorta
> heavyweight and I'd like to avoid copying the data needlessly if at all
> possible.)
>
>
>
> And, finally, while I have your attention: even if I pick the first
> option, accepting that the list store will duplicate all of my data and
> I'm careful to refresh the data when it changes, how can I sort data
> that is displayed by a Pixbuf?  (For example, I have a "type" column,
> which displays an icon representing the type; sorting on it should at
> least group the rows by their type, and I'd like to choose the order
> myself.)

I think the basic answer is that you want to set the sort function. 
You can apparently have an arbitrary number of sort functions; the
"column IDs" for the sort functions are separate IDs from the model or
view column IDs. Or something, it confused me too. ;-)

Havoc