extdisplay.sh (raw)
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#!/bin/sh
# extdisplay:
# this is a wrapper around xrandr to handle one external monitor on a laptop
# copyleft 2020 Derek Stevens <drkste@zoho.com>
# MIT License -- do whatever you want
helpme()
{
echo "$0, wrapper for using xrandr to handle an external on a laptop"
echo ""
echo "USAGE: $0 solo|off|left-of|right-of|above|below [res]"
echo " solo\n activates the plugged monitor, deactivates the native display"
echo " off\n activates the native display, deactivates the plugged monitor"
echo " left-of, right-of, above, below\n activates the plugged monitor in the given"
echo " relation to the native display"
echo " res\n if included, sets the resolution of the plugged monitor"
}
if [ -z $1 ]; then
helpme
fi
native=xrandr | grep LVDS | awk '{print $1}'
plugged=xrandr | grep connected | grep -v ${native} | awk '{print $1}'
if [ "$1" = solo ]; then
xrandr --output ${plugged} --primary
xrandr --output ${native} --off
xrandr --output ${plugged} --auto
if [ ! -z $2 ]; then
xrandr -s $2
fi
elif [ "$1" = off ]; then
xrandr --output ${native} --primary
xrandr --output ${plugged} --off
xrandr --output ${native} --auto
else
case $1 in
right-of|left-of|above|below)
xrandr --output ${native} --auto --output ${plugged} --auto --$1 ${native}
if [ ! -z $2 ]; then
xrandr --output ${plugged} -s $2
fi
;;
*)
helpme
;;
esac
fi
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