Re: notified when TreeView shows a new row

[Murray Cumming <murrayc murrayc com>]

On Sat, 2008-09-13 at 00:06 -0400, Dave Foster wrote:
> Hi all,
> 
> Several times in my application I would like to be notified when a row
> that I've just entered into the store will be displayed by the grid so
> I can do things like scroll to that row, or more importantly, measure
> the row using get_cell_area, which measures some other cell if the
> cell you specify hasn't been drawn yet.

The cell_data_func should be called when the cell is shown. This does
sound like an odd use for it though.

> Is it possible to pick it up somewhere?  I dont' see any signals that
> look helpful other than maybe expose on the treeview.  Maybe I can do
> something with the model, hook onto when a value is requested by the
> treeview, although I'm not sure how to tell who's doing the
> requesting.
> 
> Also it is possible to have a TreePath (or iter or whatever) to a row
> that is in the model and not in the display yet, is there something I
> can use to check to see if it has been displayed yet?  


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