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

[Prasanta Sadhukhan]

On Mon, 12 Dec 2022 22:33:51 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.

test/jdk/javax/swing/text/DefaultCaret/HidingSelection/HidingSelectionTest.java line 120:

> 118:         robot.waitForIdle();
> 119:         robot.delay(200);
> 120:         if (!field2.getCaret().isSelectionVisible()) {

Does it need similar change in test/jdk/javax/swing/text/DefaultCaret/HidingSelection/MultiSelectionTest.java
as well?
Since the logic is changed, I will still request to make this test stable on windows (now that we are not using screen capture) and then deproblemlist

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