Invalidations and Re: AlternativeDamageRecorder or: A simpler mouse trap?

Karl Ramberg karl.ramberg at
Sun Dec 24 07:32:32 UTC 2000

danielv at wrote:
> Sorry, forgot to mention this -
> BouncingAtomsMorph has an optimization that masks the difference. I
> guess it's pretty old, being superflous even with the current methods.
> Change to false:
> invalidRect: damageRect from: aMorph
> ...
>         quickRedraw _ true.  "false gives the original invalidRect: behavior"

I put up the menu for this morph and noticed that menu lines 
with the newly introduced checkbox in the menus blinked too. 


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