RFR: JDK-6690019: JOptionPane obscured behind an always on top JFrame hangs UI [v3]

[Andrey Turbanov]

On Tue, 10 Oct 2023 03:50:11 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> A JOptionPane message dialog owned by a JFrame which is not always on top can be obscured behind an `"always on top" JFrame`. Since the option pane is modal, one can't move the "always on top frame" to reveal it, so the application effectively hangs as we cannot dismiss the option pane dialog
>> Fix is to make sure the option pane dialog is always on top....
>
> Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add test

test/jdk/javax/swing/JOptionPane/TestJOptionPaneAlwaysOnTopBug.java line 95:

> 93:     }
> 94: 
> 95:     private static void centreFrame(JFrame myFrame)  {

Suggestion:

    private static void centreFrame(JFrame myFrame) {

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PR Review Comment: https://git.openjdk.org/jdk/pull/16060#discussion_r1355382728