RFR: 8185886: Improve scrolling performance of TableView and TreeTableView

[Kevin Rushforth]

On Wed, 26 Aug 2020 15:40:57 GMT, Jose Pereda <jpereda at openjdk.org> wrote:

> So I'd like to propose this third alternative, which would affect only VirtualFlow and the controls that use it, but
> wouldn't have any impact in the rest of controls as the other two options (as ExpressionHelper or Node listeners
> wouldn't be modified).

Given PR #185, which was mentioned above, (it isn't out for review yet, but I want to evaluate it), this would be a 4th
approach.

As long as this really doesn't introduce a leak, it seems promising.

I note that these are not mutually exclusive.

We should discuss this on the list and not just in one or more of of the 3 (soon to be 4) open pull requests.

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PR: https://git.openjdk.java.net/jfx/pull/108