Re: TreeView: Multiple selection inefficient?

[Murray Cumming <murrayc murrayc com>]

On Mon, 2005-04-11 at 16:31 +0200, Matthias Kaeppler wrote:
> Murray Cumming wrote:
> > On Mon, 2005-04-11 at 12:47 +0200, Matthias Kaeppler wrote:
> > 
> >>Murray Cumming wrote:
> >>
> >>
> >>>You don't have to call foreach() on each row. But if you really want to
> >>>examine each selection whenever the selection changes, what's the
> >>>alternative?
> >>>
> >>>Hopefully you more often want to just know the first and last selected
> >>>rows, or if anything is selected at all. Then you wouldn't have to call
> >>>foreach() on them all.
> >>>
> >>
> >>That's correct, but how can I achieve this? It would be enough for me to 
> >>only know the first and last row which is among the selection. Maybe 
> >>even only the last.
> > 
> > 
> > get_selected_rows().
> > 
> 
> This returns a Glib::ListHandle. Although it is claimed that these 
> behave like an STL container, I can neither decrement an iterator nor 
> use reverse iterators. How am I supposed to get the last element from 
> this list?

Please see the Basics chapter in the gtkmm book and/or the FAQ. It is an
intermediate type.

-- 
Murray Cumming
murrayc murrayc com
www.murrayc.com
www.openismus.com