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#!/bin/bash
# What action to take on closing the laptop lid,
# depending on whether a screen is attached or not.
# This implies setting HandleLidSwitch=ignore in /etc/systemd/logind.conf
# Call this script from /etc/acpi/handler.sh (or other properly set up script
# for handling button/lid acpi event) with parameter 0 and 1 for close and open respectively
export DISPLAY=:0
export XAUTHORITY=/home/dave/.Xauthority
# Check whether first parameter is a number
re='^[0-9]+$'
if ! [[ $1 =~ $re ]]; then
echo "error: Not a number" >&2; exit 1
fi
# function for checking if array contains given string
containsElement () {
local e
for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
return 1
}
# Get info from xrandr
IFS=$'\r\n' connectedOutputs=($(xrandr | grep " connected" | sed -e "s/\([A-Z0-9]\+\) connected.*/\1/"))
# TODO: Add checks for other ports
#Check for HDMI1 connection
HDMI1=$(containsElement "HDMI1" "${connectedOutputs}")
HDMI2=$(containsElement "HDMI2" "${connectedOutputs}")
VGA1=$(containsElement "VGA1" "${connectedOutputs}")
DP1=$(containsElement "DP1" "${connectedOutputs}")
DP2=$(containsElement "DP2" "${connectedOutputs}")
# Suspend or switch screen setup, depending on how many screens are connected
# If the lid was closed
if [ $1 = 0 ];then
# Check if more than one screen is connected
if [[ ${#connectedOutputs[@]} -gt 1 || $HDMI1 || $HDMI2 || $VGA1 || $DP1 || $DP2 ]];then
echo "More than one screen connected."
echo "Not suspending, disabling eDP1, making other screen primary."
autorandr -l external-docked
else
echo "Only one screen connected"
echo "Suspending."
if [[ -f "/home/dave/.config/awesome/i3lock" ]];then
echo "Using i3lock"
su dave -c "/home/dave/.config/awesome/i3lock"
fi
systemctl suspend
fi
# If the lid was opened
elif [ $1 = 1 ];then
# Check if more than one screen or HDMI1 is connected
if [[ ${#connectedOutputs[@]} -gt 1 || $HDMI || $HDMI2 || $VGA1 || $DP1 || $DP2 ]];then
echo "More than one screen connected, or HDMI1 connected"
echo "Setting up all connected screens."
autorandr -l multi-docked
fi
fi
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