<AWT Dev> creating an ActionEvent with modifiers from an InputEvent

Alan Snyder javalists at cbfiddle.com
Mon Oct 29 21:53:26 UTC 2018

Hi Sergey,

That sounds promising, but there are backward compatibility issues. Can you be more specific?


> On Oct 29, 2018, at 12:38 PM, Sergey Bylokhov <Sergey.Bylokhov at oracle.com> wrote:
> Hi, Alan.
> I think that a better alternative is to deprecate these constans in the ActionEvent and reuse the new constants from the InputEvent, conversion might be done in the constructor of ActionEvent.
> On 28/10/2018 13:33, Alan Snyder wrote:
>> ActionEvent defines four modifier bits for SHIFT, CTRL, META, and ALT that coincidentally (not really, but distinct static variables are used, so how would one know for sure?) match modifier bits defined by InputEvent/Event. Oddly, the latter modifier bits were deprecated in JDK 9, as was the method to fetch them.
>> So, what is the correct way to create an ActionEvent with modifier bits extracted from an InputEvent?
>> There are many examples in the JDK where this is done, and they all use the deprecated method InputEvent.getModifiers().
>> Is there a recommended alternative?
> -- 
> Best regards, Sergey.

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