Iterating over all Morphs (was: Re: [squeak-dev] Object>>is:)

Yoshiki Ohshima yoshiki at
Fri Feb 11 23:58:55 UTC 2011

At Fri, 11 Feb 2011 23:59:11 +0100,
Igor Stasenko wrote:
> Same mistake again.
> Fix the error that some morphs are not visible through world (probably
> due to belonging to other PasteUpMorph instance).
> So you still don't have to use VM heap walk to iterate over them.
> Moreover, i pretty sure that you can skip those morphs, which are not
> taking part in UI interaction (what undo history could have a morph,
> which
> never seen its way to world?).

  I don't really know where this discussion is going, but surely
Squeak supports multiple projects and each has its own World.  Also,
Book pages are PasteUpMorphs and inactive pages are not "in the world"
but still legitimate use of PasteUpMorphs.

-- Yoshiki

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