On Apr 22, 2009, at 11:38 AM, Igor Stasenko wrote:

But this is not the only UI framework which hates the concurrency -
take a look at "groundbreaking" Mac OS :)

yes, but they have a nice mechanism for dealing with this when a worker thread wants to update the UI

- (void)performSelectorOnMainThread:(SEL)aSelector withObject:(id)arg waitUntilDone:(BOOL)wait;

Is there a Squeak equivalent for getting something invoked on the main UI thread?

-Todd Blanchard