RFR: 8259680: Need API to query states of CAPS LOCK and NUM LOCK keys

[Matthias Bläsing]

On Sun, 24 Jan 2021 14:50:08 GMT, Frederic Thevenet <fthevenet at openjdk.org> wrote:

>> modules/javafx.graphics/src/main/java/com/sun/glass/ui/Application.java line 764:
>> 
>>> 762:             default:
>>> 763:                 return Optional.empty();
>>> 764:         }
>> 
>> This could be a switch expression:
>> return switch (lockState) {
>>     case KeyEvent.KEY_LOCK_OFF -> Optional.of(false);
>>     case KeyEvent.KEY_LOCK_ON -> Optional.of(true);
>>     default -> Optional.empty();
>> }
>> Also, do we use a space after `switch`? I see many instances both with and without in the current source.
>
> Do we plan to drop support for JDK11 for OpenJFX 17? If not, we'll need to keep to the classic Switch statement, as Switch expressions were only introduced in JDK12 or 13 as a preview.
> That said, since 17 is going to be the next LTS release, maybe the plan is to bump the dependency for OpenJFX then?

Totally selfish request: It would be great if OpenJFX 17 would retain compatibilty with JDK 11 -- NetBeans allows including JavaFX and will retain JDK 11 compatibility for the foreseable future. I can understand, that at some point, language features will become too important to retain compatibility, but this looks dubious to me.

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PR: https://git.openjdk.java.net/jfx/pull/385