Re: How to delete a multiple selection from a ListStore?

["Joost Ellerbroek" <j ellerbroek gmail com>]

I don't get how your RowReferences method would work, you need a
TreeIter for the erase method, don't you?
My second method does work though; is it terribly inefficient, or do
you think I'll survive? :)

Joost

On 8/8/06, Murray Cumming <murrayc murrayc com> wrote:
> > Convert your original list of selected rows into a list of
> > Gtk::TreeModel::RowReferences.  Using this list you can use the paths it
> > contains when you loop through the list calling the model's erase
> > method.  The path each Gtk::TreeModel::RowReference contains remains
> > valid so long as the row to which it points exists regardless of the
> > fact that you are changing the model by deleting rows.
>
> I've never quite understood the need for this class. A path is already
> only a potential path. When you convert it to an iter then the iter will
> be invalid if the path isn't valid at that time. (In the example code,
> he's not checking the result of get_iter(), I see.)
>
> And if we were just storing paths then the paths wouldn't indicate the
> same rows if we have deleted the rows before the intended row.
>
> Maybe RowReference always provides a valid (at the time, sometimes
> different than originally) path.
>
>
> Murray Cumming
> murrayc murrayc com
> www.murrayc.com
> www.openismus.com