Comment by yoavm

I just have this one liner for Wayland:

  cat ~/.local/share/emojis/emojis| wofi -i -d -M fuzzy -H 700 | cut -d " " -f 1 | tr -d '\040\011\012\015' | wtype -

It shows an overlay fuzzy-searchable list of all emojis, and it writes selected one to the input regardless of the toolkit. assign it to a keyboard shortcut and you're good to go.

the ~/.local/share/emojis/emojis file is just a list of all emojis:

  cat ~/.local/share/emojis/emojis | head -n 3
         Grinning Face
         Grinning Face with Big Eyes
         Grinning Face with Smiling Eyes

(HN is removing the emojis but each line starts with the emoji self, followed by the description)