Virtual Scrolling Widget #882
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This is a minimum viable virtual scrolling widget, making the following assumptions:
It currently does not work.
I don't think it's possible in current Masonry to correctly handle arbitrary transforms of child widgets in a virtual scrolling list. I believe that this is intentional, as compose can theoretically move a transformed item arbitrarily far (as it could have an arbitrarily large scale factor). Therefore, this widget will ignore the possibility, and assume that all widgets draw within their layout rect.
Fixes #51 (or at least, it will do)