Re: [gtkmm] Gtk::TreeView performance

["Murray Cumming" <murrayc murrayc com>]

> Igor Gorbounov wrote:
>> David Jensen wrote:
>>> try keeping a Glist of structs of GDK::Colors that matches the
>>> ListStore
>>> row:column 'color' cells. Have the row:column colors be pointers into
>>> the Glist.
>>> accessing a Glist struct is cheap, accessing a row:column is very
>>> expensive
>>>
>> i'm afraid that i don't quite understand how to do this. it seems to me
>> that the
>> cellrenderer's propeties can be assigned through another cells only...

Assuming that you mean "other model columns" rather than "another cells",
you might try using the set_cell_data_func() callback instead.

http://www.gtkmm.org/docs/gtkmm-2.4/docs/reference/html/classGtk_1_1TreeViewColumn.html#a19

Murray Cumming
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