From https://marc.info/?l=kde-accessibility&m=121901525332454&w=2 linked above, it looks like the code is at https://websvn.kde.org/trunk/playground/base/plasma/applets/keyboardLeds/ - in case that helps anyone get started.
From https:/ /marc.info/ ?l=kde- accessibility& m=1219015253324 54&w=2 linked above, it looks like the code is at https:/ /websvn. kde.org/ trunk/playgroun d/base/ plasma/ applets/ keyboardLeds/ - in case that helps anyone get started.