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#!/usr/bin/env bash
# ==================================================
# KoolDots (2026)
# Project URL: https://github.com/LinuxBeginnings
# License: GNU GPLv3
# SPDX-License-Identifier: GPL-3.0-or-later
# ==================================================
set -euo pipefail
# Hyprsunset toggle + Waybar status helper
# Phase 1: manual toggle only (no scheduling)
# Icons:
# - Off: bright sun
# - On: sunset icon if available, otherwise a blue sun
#
# Customize via env vars:
# HYPRSUNSET_TEMP default 4500 (K)
# HYPRSUNSET_ICON_MODE sunset|blue (default: sunset)
STATE_FILE="$HOME/.cache/.hyprsunset_state"
TARGET_TEMP="${HYPRSUNSET_TEMP:-4500}"
ICON_MODE="${HYPRSUNSET_ICON_MODE:-sunset}"
ensure_state() {
[[ -f "$STATE_FILE" ]] || echo "off" > "$STATE_FILE"
}
# Render icons using pango markup to allow colorization
icon_off() {
# universally available sun symbol
printf "☀"
}
icon_on() {
case "$ICON_MODE" in
sunset)
# sunset emoji (falls back to tofu if no emoji font)
printf "🌇"
;;
blue)
# no color in text; rely on CSS .on to style if desired
printf "☀"
;;
*)
printf "☀"
;;
esac
}
cmd_toggle() {
ensure_state
state="$(cat "$STATE_FILE" || echo off)"
# Always stop any running hyprsunset first to avoid CTM manager conflicts
if pgrep -x hyprsunset >/dev/null 2>&1; then
pkill -x hyprsunset || true
# give it a moment to release the CTM manager
sleep 0.2
fi
if [[ "$state" == "on" ]]; then
# Turning OFF: set identity and exit
if command -v hyprsunset >/dev/null 2>&1; then
nohup hyprsunset -i >/dev/null 2>&1 &
# if hyprsunset persists, stop it shortly after applying identity
sleep 0.3 && pkill -x hyprsunset || true
fi
echo off > "$STATE_FILE"
notify-send -u low "Hyprsunset: Disabled" || true
else
# Turning ON: start hyprsunset at target temp in background
if command -v hyprsunset >/dev/null 2>&1; then
nohup hyprsunset -t "$TARGET_TEMP" >/dev/null 2>&1 &
fi
echo on > "$STATE_FILE"
notify-send -u low "Hyprsunset: Enabled" "${TARGET_TEMP}K" || true
fi
}
cmd_status() {
ensure_state
# Prefer live process detection; fall back to state file
if pgrep -x hyprsunset >/dev/null 2>&1; then
onoff="on"
else
onoff="$(cat "$STATE_FILE" || echo off)"
fi
if [[ "$onoff" == "on" ]]; then
txt="<span size='18pt'>$(icon_on)</span>"
cls="on"
tip="Night light on @ ${TARGET_TEMP}K"
else
txt="<span size='16pt'>$(icon_off)</span>"
cls="off"
tip="Night light off"
fi
printf '{"text":"%s","class":"%s","tooltip":"%s"}\n' "$txt" "$cls" "$tip"
}
cmd_init() {
ensure_state
state="$(cat "$STATE_FILE" || echo off)"
if [[ "$state" == "on" ]]; then
if command -v hyprsunset >/dev/null 2>&1; then
nohup hyprsunset -t "$TARGET_TEMP" >/dev/null 2>&1 &
fi
fi
}
case "${1:-}" in
toggle) cmd_toggle ;;
status) cmd_status ;;
init) cmd_init ;;
*) echo "usage: $0 [toggle|status|init]" >&2; exit 2 ;;
esac
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