#!/bin/sh
# File: fix-alttab-daemon
# Location: /usr/bin
# Author: bgstack15
# Startdate: 2023-07-10-2 08:55
# SPDX-License-Identifier: GPL-3.0
# Title: fix-alttab-daemon
# Project: fix-alttab
# Purpose: Detect changes to connected HDMI monitors
# History:
# Usage:
#    run in ~/.fluxbox/startup in the background
# Reference:
# Improve:
# Dependencies:
#    dep-devuan: bgscripts-core
# Documentation: README.md

# load settings
test -z "${DEFAULTSDIR}" && DEFAULTSDIR=/etc/sysconfig
grep -qiE 'de(vu|bi)an|ubuntu|mint' /etc/os-release 1>/dev/null 2>&1 && DEFAULTSDIR=/etc/default
test -f "${DEFAULTSDIR}/fix-alttab" && . "${DEFAULTSDIR}/fix-alttab"
test -f "${XDG_CONFIG_HOME:-~/.config}/fix-alttab" && . "${XDG_CONFIG_HOME:-~/.config}/fix-alttab"
test -z "${FIX_ALTTAB_BIN}" && FIX_ALTTAB_BIN=/usr/libexec/fix-alttab
command -v plecho 1>/dev/null && _use_plecho=1
unset _laststatus
while ! test -f /tmp/stop-fix-alttab-daemon ;
do
   sleep "${ALTTAB_DAEMON_LOOP:-3}"
   _status="$( APPLY= "${FIX_ALTTAB_BIN}" )"
   test "${_status}" != "${_laststatus}" && {
      APPLY=1 "${FIX_ALTTAB_BIN}" | \
      {
         if test "${_use_plecho}" = "1" ;
         then
            timeout 2 plecho
         else
            timeout 2 cat
         fi
      }
   } | tee -a "${ALTTAB_DAEMON_LOGFILE:-fix-alttab-daemon.log}"
   _laststatus="${_status}"
done