RFR: 8366739: ToolBar: overflow menu with fractional scale (2) [v2]

[Cormac Redmond]

On Sun, 21 Dec 2025 22:08:33 GMT, John Hendrikx <jhendrikx at openjdk.org> wrote:

>> An example of length rounding due to "-=" operations (again, at 1.25 scale), when overflow should show:
>> 
>> <img width="855" height="247" alt="image" src="https://github.com/user-attachments/assets/aca455ab-0d32-4e46-9868-78d786cd4a7b" />
>> 
>> I can't (easily) get it to create any actually problems for me, but the question remains, should be re-snap it also?
>> 
>> If it's not (demonstrably) broken, don't fix it, maybe.
>
> Yeah, that's going to cause problems at some point.  It must be resnapped when doing comparisons with it.

@hjohn: I appreciate the above is a lot of text (this close to Xmas!)... 

I went ahead and made the changes so it's easier to see just the diff: https://github.com/openjdk/jfx/pull/2016/files ... I can revert if I am wrong. I think it's safe, and the simplest change to fix both `length` and `x` issues.

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PR Review Comment: https://git.openjdk.org/jfx/pull/2016#discussion_r2641123623