[Pharo-dev] Event handling insanity

Alexandre Bergel alexandre.bergel at me.com
Tue Jul 28 05:31:01 EDT 2015


Related to this, I find very painful to write unit  tests for gui. Generating event by hand is quite tedious. Someone has worked on that direction already?


> Le 27 juil. 2015 à 10:42, Igor Stasenko <siguctua at gmail.com> a écrit :
> Nothing here is about things to fix, 
> but rather about how impossible to debug event handling in system that runs and relies on very same events..
> I had very annoying problem with mouse move handling and processing it correctly, and i finally solved the problem after number of attempts to track down where problem lies in..
> So, here is small list of problems i faced:
>  - broken image (image won't start up) , because i send unimplemented message in critical place, thus image simply non-responsible/crashing immediately after startup. Easy to fix (sarcasm)
> - debugger window spam on every event (because of DNU/other exception).
> A slightly friendlier problem than above :)
> - and last one, if you break some event handling/delivery, even if image "behaves" you simply left without events doing what is needed, means you got another form of a broken image, which you cannot use anymore and need to start over and revert the changes you made.
> - veeeerrrrryyy slow event handling, because of printing every event into transcript , trying to see where the shit lies.
> - decrypting kilometers long event traces to see what goes where 
> But when things finally start work properly, you feel excited :)
> -- 
> Best regards,
> Igor Stasenko.

More information about the Pharo-dev mailing list