I couldn't figure out how to do this with QMK, I had the same thought as you. Ok, more accurately I figured out that it would involve writing nontrivial amount

I couldn't figure out how to do this with QMK, I had the same thought as you. Ok, more accurately I figured out that it would involve writing nontrivial amounts of C, and I gave up. You can do anything with QMK if you're determined.