#!/bin/bash
# Toggle padding on the focused kitty window. Bound to Super+middle click in
# hyprland.conf; follow_mouse = 1 means the focused window is the one under the
# cursor. Uses the per-process socket from `listen_on unix:/tmp/kitty`, which
# kitty suffixes with -<pid>. The user var nopad records the toggle state.

win=$(hyprctl activewindow -j)
[[ $(jq -r .class <<<"$win") == kitty ]] || exit 0

k=(kitty @ --to "unix:/tmp/kitty-$(jq -r .pid <<<"$win")")
m=(--match state:focused)

nopad=$("${k[@]}" ls "${m[@]}" | jq -r '.[0].tabs[0].windows[0].user_vars.nopad // empty')

if [[ $nopad == 1 ]]; then
    "${k[@]}" set-spacing "${m[@]}" padding=default
    "${k[@]}" set-user-vars "${m[@]}" nopad
else
    "${k[@]}" set-spacing "${m[@]}" padding=0
    "${k[@]}" set-user-vars "${m[@]}" nopad=1
fi