dotfiles/dotfiles/config/taffybar/scripts/taffybar-screenshot

#!/usr/bin/env bash
set -euo pipefail

hyprctl_cmd=(hyprctl)

# Hyprland can restart and change the instance signature, leaving old shells with
# a stale HYPRLAND_INSTANCE_SIGNATURE. Detect the live instance and use it.
if ! hyprctl monitors -j >/dev/null 2>&1; then
  if [[ -n "${WAYLAND_DISPLAY:-}" ]]; then
    inst="$(hyprctl instances -j | jq -r --arg sock "$WAYLAND_DISPLAY" '.[] | select(.wl_socket == $sock) | .instance' | head -n1)"
  else
    inst="$(hyprctl instances -j | jq -r '.[0].instance // empty')"
  fi

  if [[ -n "${inst:-}" ]]; then
    hyprctl_cmd=(hyprctl --instance "$inst")
  fi
fi

monitors="$("${hyprctl_cmd[@]}" monitors -j)"
height="$(jq -r '.[] | select(.focused) | .reserved[1]' <<<"$monitors")"
geo="$(jq -r '.[] | select(.focused) | "\(.x),\(.y) \(.width)x\(.reserved[1])"' <<<"$monitors")"

if [[ -z "$geo" || "$height" == "0" ]]; then
  echo "No top reserved area found on focused monitor." >&2
  echo "Is taffybar reserving space?" >&2
  exit 1
fi

# Include nanoseconds so consecutive screenshots don't overwrite each other.
out="/tmp/taffybar-$(date +%Y%m%d-%H%M%S-%N).png"
grim -g "$geo" "$out"
echo "$out"