Re: async headaches

[Dermot Musgrove <dermot glade perl connectfree co uk>]

muppet wrote:
> had a devil of a time solving a race condition problem.  i'd like your
> opinions on what might be a better way to solve this one.
>
> ---
>
> i'm creating a file open dialog specifically for images, which shows
> some image properties and a thumbnail for each image the user selects in
> the file list.  i'm using imagemagick's convert and some home-grown
> image loading display code for various reasons that aren't all that
> relevant.
>
> to the "select-row" signal of the file CList i bound a callback which
> would attempt to load and preview the image.  so far so good.  each time
> it runs, it forks a call to convert (via piped open), so there is no
> caching of thumbnails (though given time i would like to cache them, but
> the regeneration logic is more than i want to deal with right now).
Hi, I haven't tried any of this but...

could you connect to the button_press_event? Then you could check for

 if ($event->{'type'} eq "2button_press") {

and only preview in other cases - or after the double-click is handled.

Regards, Dermot