1 files changed, 75 insertions, 0 deletions
diff --git a/src/usr/libexec/fix-alttab b/src/usr/libexec/fix-alttab
new file mode 100755
index 0000000..c0b68b2
--- /dev/null
+++ b/src/usr/libexec/fix-alttab
@@ -0,0 +1,75 @@
+#!/bin/sh
+# File: fix-alttab
+# Location: /usr/libexec/fix-alttab
+# Author: bgstack15
+# Startdate: 2023-07-10-2 08:10
+# SPDX-License-Identifier: GPL-3.0
+# Title: fix-alttab
+# History:
+# Usage:
+#    called by fix-alttab-daemon
+# Reference:
+#    https://unix.stackexchange.com/questions/537529/how-do-i-get-xdg-config-home-from-a-shell-script-command-line
+# Improve:
+# Dependencies:
+#    dep-devuan: xrandr, alttab
+# 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" && . "${XDG_CONFIG_HOME:-~/.config}/fix-alttab"
+# just in case no settings defined there
+test -z "${ALTTAB_COMMON}" && ALTTAB_COMMON="alttab -w 1 -theme numix-circle"
+test -z "${ALTTAB_LEFTYES_RIGHTYES}" && ALTTAB_LEFTYES_RIGHTYES=""
+test -z "${ALTTAB_LEFTNO_RIGHTYES}" && ALTTAB_LEFTNO_RIGHTYES="-vp 1920x1080+1920+0"
+test -z "${ALTTAB_LEFTYES_RIGHTNO}" && ALTTAB_LEFTYES_RIGHTNO="" #unsupported
+test -z "${ALTTAB_LEFTNO_RIGHTNO}" && ALTTAB_LEFTNO_RIGHTNO="" # unsupported
+
+# for better security, strip out any semicolons from these values because we evaluate without quotes
+_strip() {
+   printf '%s' "${@}" | sed -r -e 's/;.*$//;'
+}
+ALTTAB_COMMON="$( _strip "${ALTTAB_COMMON}" )"
+ALTTAB_LEFTYES_RIGHTYES="$( _strip "${ALTTAB_LEFTYES_RIGHTYES}" )"
+ALTTAB_LEFTNO_RIGHTYES="$( _strip "${ALTTAB_LEFTNO_RIGHTYES}" )"
+ALTTABLEFTYES_RIGHTNO="$( _strip "${ALTTABLEFTYES_RIGHTNO}" )"
+ALTTAB_LEFTNO_RIGHTNO="$( _strip "${ALTTAB_LEFTNO_RIGHTNO}" )"
+
+# always evaluate this
+_ALTTAB_COMMAND_TO_KILL="$( echo "${ALTTAB_COMMON}" | awk '{print $1}' )"
+
+# main
+# set environment variables "left" and "right" to yes or no, to indicate if monitor is there.
+unset right left
+eval $( xrandr | awk 'BEGIN{a[0]="no";a[1]="yes"}/HDMI-1/{if($2~/\<connected/){r=1;}else{r=0};} /HDMI-0/{if($2~/\<connected/){l=1;}else{l=0;};} END{print "right="a[r];print "left="a[l];}' )
+unset _ALTTAB_PARAMS
+case "${left}${right}" in
+   yesyes)
+      printf '%s\n' "Using left yes, right yes"
+      _ALTTAB_PARAMS="${ALTTAB_LEFTYES_RIGHTYES}"
+      ;;
+   noyes)
+      printf '%s\n' "Using left no, right yes"
+      _ALTTAB_PARAMS="${ALTTAB_LEFTNO_RIGHTYES}"
+      ;;
+   yesno)
+      printf '%s\n' "Using left no, right yes"
+      _ALTTAB_PARAMS="${ALTTAB_LEFTNO_RIGHTYES}"
+      ;;
+   nono)
+      printf '%s\n' "Using left no, right no: UNSUPPORTED!"
+      _ALTTAB_PARAMS="${ALTTAB_LEFTNO_RIGHTNO}"
+      ;;
+   *)
+      printf '%s\n' "Unknown config: leftright \"${left}${right}\". Aborted." 1>&2 ; exit 1
+      ;;
+esac
+test -n "${APPLY}" && {
+   test -n "${DEBUG}" && set -x
+   killall "${_ALTTAB_COMMAND_TO_KILL}"
+   # unquoted here:
+   ${ALTTAB_COMMON} ${_ALTTAB_PARAMS} &
+   set +x
+}