Re: speeding up GtkTreeView?

[Havoc Pennington <hp redhat com>]

On Wed, Feb 12, 2003 at 12:19:58PM +0100, Filip Van Raemdonck wrote: 
> I think it would be very useful for the two standard treemodel
> implementations to have an API to put in a custom underlying datamodel.
> Right now those default models are really only useful with small data
> sets. Anything serious brings them to their knees.

There are already at least two levels on which you can do a custom
data model:

 - you can avoid TreeStore/ListStore entirely and do your 
   own object providing a GtkTreeModel interface

 - you can have a single-column TreeStore/ListStore where the 
   column contains a single void* pointing to a custom struct
   (gtk-demo has an example here I believe)

GtkListStore is a linked list, and if you set a string on it for
example it's going to copy the string. So if you stuff copy 8 strings
per row into a giant linked list, it is not going to be fast.

That's why custom models are allowed.

Havoc