RFR: 8324232: KeyEvent.getCode() is null inside JFXPanel

[Andy Goryachev]

On Sat, 1 Jun 2024 18:15:56 GMT, Martin Fox <mfox at openjdk.org> wrote:

> JavaFX uses a table to map from an AWT integer key code to a JavaFX KeyCode. If AWT provides a code that's not in the table JavaFX attempts to use a KeyCode of null when constructing the KeyEvent which raises an exception.  This PR just checks for null and changes it to KeyCode.UNDEFINED.

Looks good on macOS 14.5 M1.

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Marked as reviewed by angorya (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/1470#pullrequestreview-2113335438