[Vm-dev] Simulator window and halos
Eliot Miranda
eliot.miranda at gmail.com
Wed Jul 15 07:27:38 UTC 2015
Hi All,
I've finally found time to look at Timothy's event handling stuff for
the simulator. I've adapted hist code to a more minimal route, but thanks
to him (thanks Timothy!) I'm able to evaluate 3+4 through the UI. But
what I can't do is suppress halos appearing on the simulator window when I
press a mouse button that brings up halos in the host (but may not in the
simulated image because their mouse button swapping preference may be
different) when in the bitmap display view.
My question is how to suppress it. I see that wantsHalo is a likely method
on Morph. But if I change the single sender (Morph>>handleMouseEnter:) to
ignore it I still get halos. So I don't understand how halos appear in
response to a mouse click. hat's the chain of effect?
To suppress halos, is there something I can do locally in the ImageMorph
displaying the bitmap (or in a subclass, e.g. NoHaloImageMorph) or do I
need to have a special SystemWindow?
--
best,
Eliot
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