pjrulez

Arch Linux, Hyprland, ML4W Dotfiles: Toggle Input Device
Font Awesome Keyboard Icon Enable/Disable Input Device Toggle Button in Hyprland /w ML4W Dotfiles

So, after trying all the wrong ways of doing it (xorg-xinput, evtest, ...), and almost breaking the whole configuration I finally got it.

Pasting here for reference if someone else wants to place your mechanical keyboard on top of your laptop without worry.

I'm using ML4W Dotfiles so my solution is within that context. Here are the necessary changes:

First, run 'hyprctl devices', and find your builtin keyboard name. It will possibly be named something like "at-translated-set-2-keyboard"