<AWT Dev> RFR: JDK-8165232 XKeycodeToKeysym is deprecated and should be replaced with XkbKeycodeToKeysym

Alan Burlison Alan.Burlison at oracle.com
Tue Sep 6 20:14:07 UTC 2016


On 06/09/2016 20:29, Phil Race wrote:

> You are removing this : native method
>
> Java_sun_awt_X11_XlibWrapper_XKeycodeToKeysym There is no explanation
> about this .. and unless you discovered this method is obsolete (never
> called) it seems like it should also be updated .. not deleted. And
> since I see it called from XToolkit.java it appears updating is what is
> needed. You would then also need to revert the mapfile change.

Hmm, yes - good point... If 
Java_sun_awt_X11_XlibWrapper_XKeycodeToKeysym is only ever used within 
the AWT code then it could be replaced by calling 
Java_sun_awt_X11_XlibWrapper_XkbKeycodeToKeysym (which already exists). 
However if it is ever used outside then it's more of a problem. I wasn't 
sure if XlibWrapper.c was internal-only or not. If it isn't then I think 
the only option is to leave the 
Java_sun_awt_X11_XlibWrapper_XKeycodeToKeysym function in place and just 
change the implementation to use XkbKeycodeToKeysym underneath. If so, 
should Java_sun_awt_X11_XlibWrapper_XKeycodeToKeysym be flagged as 
deprecated?

In either case, I believe the existing Java calls to 
Java_sun_awt_X11_XlibWrapper_XKeycodeToKeysym need to be switched over 
to Java_sun_awt_X11_XlibWrapper_XkbKeycodeToKeysym. I thought I'd found 
those, clearly not.

Thanks for the catch,

-- 
Alan Burlison
--


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