Re: Problem with a TreeView - speed

[Dimitri Holz <d holz innoventis de>]

Murray Cumming schrieb:
> On Mon, 2009-03-16 at 15:00 +0100, Dimitri Holz wrote:
>   
>> ____I'm programming C++ and Gtkmm since less than one year and I'm a
>> student without programming-experiences. Because of that I don't
>> perfectly ____understand what you mean with using of cell_data_func to
>> show the visible parts of the row.
>>     
>
> Sorry. I meant to post a link. Actually, we don't seem to mention this
> in the book. But it is used in an unrelated example. Search for
> "ExampleWindow::treeviewcolumn_validated_on_cell_data" here:
> http://www.gtkmm.org/docs/gtkmm-2.4/docs/tutorial/html/ch08s08.html
>
> This is the API reference:
> http://www.gtkmm.org/docs/gtkmm-2.4/docs/reference/html/classGtk_1_1TreeViewColumn.html#765296845c9e9757ba405becbbc13d96
>
> Your callback function will whatever cellrenderer properties (in the
> view) that you want to set, and will only be called for visible rows.
>   

I really not understand where in your link a solution for "not showing
the visible parts of the row" is !? Can you describe it, please?

Thanks in advance.