<Swing Dev> RFR: 8216358: [accessibility] [macos] The focus is invisible when tab to "Image Radio Buttons" and "Image CheckBoxes"

[Alexander Zuev]

On Wed, 3 Feb 2021 18:50:34 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

> 8216358: [accessibility] [macos] The focus is invisible when tab to "Image Radio Buttons" and "Image CheckBoxes"

This is how radio button group with custom icons looks without the fix. The focus is on the middle radio button.
<img width="332" alt="nofix" src="https://user-images.githubusercontent.com/69642324/106796383-1e5f3d00-6610-11eb-9e28-44927d2eed5c.png">
This is how the same widget looks with the fix. Presence of the focus is clearly visible.
<img width="327" alt="withfix" src="https://user-images.githubusercontent.com/69642324/106796565-62ead880-6610-11eb-9113-2e873375f44a.png">

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PR: https://git.openjdk.java.net/jdk/pull/2384