Re: Get all rows in Gtk2::ListStore

[Peter Dennis <peter edwin dennis gmail com>]

2009/8/18 Kevin Ryde <user42 zip com au>:
> Peter E Dennis <peter edwin dennis gmail com> writes:
> > get all of the second column's values:
>
> I made a column_contents() in my Gtk2::Ex::TreeModelBits based on
> $model->foreach per below.  A loop with your own iters ought to work
> equally well.
>
> > while ( $list_store->iter_next($iter) )
>
> Is that the right loop condition?  It doesn't miss the last row does it?

Probably not.  I really had no idea what I was doing.


> sub column_contents {
>  my ($model, $column) = @_;
>  my @ret;
>
>  # pre-extend, helpful for a list model style, likely to do little for an
>  # actual tree
>  $#ret = $model->iter_n_children(undef) - 1;
>
>  my $pos = 0;
>  $model->foreach (sub {
>                     my ($model, $path, $iter) = @_;
>                     $ret[$pos++] = $model->get_value ($iter, $column);
>                     return 0; # keep walking
>                   });
>  $#ret = $pos-1;
>  return @ret;
> }

Thank you very much for providing an example.  I will give it a go at
applying it my own program.