[Wayland-bugs] [Bug 105222] RFE: keyboard debouncing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105222

--- Comment #10 from Adam Dingle <adam at medovina.org> ---
Thanks for reopening this feature request and being willing to consider this at
least.

Actually in the version of the script I gave you the threshold is 70 ms, not 30
ms.  Some of the bounces I observed took nearly 70 ms, so a lower threshold
would not detect them all.

I was typing fairly quickly when I made the key recording that I attached
earlier and the script doesn't find any false positives there, so I think a
threshold around 70 ms may be reasonable.

Still, if we do add a keyboard bouncing feature to libinput I think it should
be  off by default (or perhaps enabled with a very low threshold, which is
basically equivalent).  A user who has a bouncy keyboard should be able to turn
it on and set the threshold, either via a configuration setting or (maybe at
some point) through a GUI panel in the system keyboard settings.  I think it
may be hard to find a single threshold value that works perfectly for everyone,
hence the need to let users set it.

Anyway, you said there is some chance you would accept a patch like this if it
is not too complex, though you are not enthusiastic.  I have a strong personal
need for this feature so I may look into this, unless I buy a new laptop first,
 which is another way to fix the problem.  :)

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