RFR: 8273743: KeyCharacterCombination for "+" does not work on US QWERTY keyboard layout

[Pankaj Bansal]

On Tue, 28 Sep 2021 21:01:13 GMT, Martin Fox <duke at openjdk.java.net> wrote:

> There was a mismatch between the way `get_glass_key` generated the Java key code for a given key press and how `getKeyCodeForChar` determined the key code for the matching character. For example, when pressing the plus sign on a US keyboard `get_glass_key` correctly generated `KeyCode.EQUALS` but `getKeyCodeForChar("+")` generated `KeyCode.PLUS`.
> 
> In this PR `getKeyCodeForChar` mirrors the behavior of `get_glass_key`; it determines which key the character lies on and generates a key code based on the unshifted character on  the same key.
> 
> I'm working on a more comprehensive test case that allows you to press any key on the keyboard and test whether a KeyCharacterCombination for that character will succeed or not. I've attached it to this thread. It might be worth submitting as a manual test case
> [CharComboTest.txt](https://github.com/openjdk/jfx/files/7247265/CharComboTest.txt)
> .

As you recommended in the description, could you please add the attached test as part of PR as manual test which fails before the fix and passes with the fix?

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PR: https://git.openjdk.java.net/jfx/pull/635