Re: Window (CList) update semantics

[Chas Owens <alas widomaker com>]

On Wed, 2003-01-01 at 19:05, Tom Jennings wrote:
> Can anyone tell me how to get a CList row to update immediately
> when I change a cell with set_text()? I'm changing a cell inside
> a handler with:
>
>
>       ...
>       $widget-> freeze;
>       $widget-> set_text ("NEW CELL CONTENTS");
>       $widget-> thaw;
>
>
> The window doesn't update until the handler returns. 
>
> I've got a process that takes some time (seconds to minutes),
> started by a button, and I need to update a cell during this
> extended process.
>
> Any hints appreciated. It seems outside the scope of the GTK
> Ref page...
>
> tomj

Perl is not multi-threaded (at least not by default).  This means that
nothing can happen until the handler returns or you code for it to
happen.  I have found that saying

Gtk->main_iteration while Gtk->event_pending;

solves this sort of problem.