Re: display/update a jpeg image?

["Chas Owens" <chas owens gmail com>]

On 12/19/06, muppet <scott asofyet org> wrote:
snip
>         # There should be a way to figure out from perl whether this is
>         # necessary, but i don't feel like poking at the docs that much. :-P
>         if ($use_viewport) {
>                 $scroller->add_with_viewport ($widget);
>         } else {
>                 $scroller->add ($widget);
>         }
snip

IIRC,  the reason you need a viewport is the lack of a gdk window on
some widgets.  If so then

       if ($widget->no_window) {
               $scroller->add_with_viewport ($widget);
       } else {
               $scroller->add ($widget);
       }

should work.