Yes, I intended to change the comment to reflect translucent morphs needed to redefine the method, but never got around to it...
Easiest way is to use the old version of Morph:
areasRemainingToFill: aRectangle
^Array with: aRectange
for translucent morphs, alternatively clip against a smaller rect than clipRect, if the translucent regions of the Morph are well-defined.

Somewhat related:
- Michal Rueger figured out that closing a right-click menu opened over the Pharo logo will some times leave the background not repainted.
I tried the above approach and redefined ScetchMorph's (?) areasRemainingToFill:, but that didn't seem to do it in this case...

I'm rather ill right now with fever, if I get better through the weekend I'll have a go and add appropriate ones, and have a closer look at the logo case.

Unrelated: If you pin a world-menu, the checkbox-option repaints before state of button is updated, thus indicating the wrong state after the first click.
Also, the damage rect it creates is incorrect, always returning a rect not offset for the position of the menu. (Also firing it 2x, due to super calls in the method causing it)

Cheers,
Henry

On 13.03.2009 16:00, Gary Chambers wrote:

It seems that Henrik's performence improvements need to account for 
transluceny in the general case...
(see Morph>>areasRemainingToFill:)

Regards, Gary

----- Original Message ----- 
From: "Schwab,Wilhelm K" <bschwab@anest.ufl.edu>
To: <Pharo-project@lists.gforge.inria.fr>
Sent: Friday, March 13, 2009 1:40 PM
Subject: [Pharo-project] Task bar in web image

Gary,

I have been prodding Damien's recent Pharo-web, and have noted that items 
in the task bar do not immediately disappear when the corresponding window 
is closed.  It looks like there is some type of blending such that they 
dim over a few cycles of change in z-order of the remaining windows.

Bill



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