RFR: 8323511 Scrollbar Click jumps inconsistent amount of pixels [v2]

[eduardsdv]

On Tue, 19 Mar 2024 12:02:14 GMT, Marius Hanl <mhanl at openjdk.org> wrote:

> But is it possible to scroll to an index that is negative?

Yes, both the negative value (``-1``) and the positive value, which is greater than the items count (to be precise ``last item index + 1``), are possible and indicate the direction in which the scrolling takes place.

The ``last item index + 1`` is already handled correctly. We only need to fix the handling of ``-1`` index.

Can you explain your second question in more detail?

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PR Review Comment: https://git.openjdk.org/jfx/pull/1326#discussion_r1530382582