RFR: 8355203: [macos] AquaButtonUI and AquaRootPaneUI repaint default button unnecessarily

[Sergey Bylokhov]

On Mon, 21 Apr 2025 21:09:44 GMT, Jeremy Wood <duke at openjdk.org> wrote:

>> Just to confirm, have you checked that the default button pulse has been disabled since macOS Yosemite?
>
>> have you checked that the default button pulse has been disabled since macOS Yosemite
> 
> No; I'm not sure how to check that with 100% certainty. Does anyone know of a resource to confirm how older Mac UI's looked? (I don't have access to a Mavericks machine (which should pulse) or a Yosemite machine (which should not pulse).)
> 
> Wikipedia says the pulsing was discontinued with Yosemite:
> 
> <img width="913" alt="image" src="https://github.com/user-attachments/assets/083a0945-bb85-480a-80e5-5cce7749fc15" />
> 
> I can find old videos featuring a non-pulsing default button. Here's one from 2015:
> 
> https://www.youtube.com/watch?v=tzgP3YwGwRw

@mickleness please take a look https://bugs.openjdk.org/browse/JDK-8356061

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PR Comment: https://git.openjdk.org/jdk/pull/24778#issuecomment-2882033393