[jdk20] RFR: 4512626: Non-editable JTextArea provides no visual indication of keyboard focus [v4]

[Alexander Zuev]

On Sat, 17 Dec 2022 18:16:30 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

>> Set the text caret to be visible but not blinking on the non-editable text area. Fix the regression test that becames unstable after the change.
>
> Alexander Zuev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fixing situation where we can be stuck with non-blinking cursor after editable state switched on a focused text field

Ok, i fixed the permanent blinking caret glitch. Now it is non-blinking until the focus is lost and regained. Which is an improvement, without this fix the caret would be invisible until the focus lost.

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PR: https://git.openjdk.org/jdk20/pull/21