52 lines
2.1 KiB
Bash
52 lines
2.1 KiB
Bash
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#!/usr/bin/env bash
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## $1 = "add" / "remove"
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## $2 = %k from udev
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## Set TRACKPAD_NAME according to your configuration.
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## Check your trackpad name with:
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## find /sys/class/input/ -name mouse* -exec udevadm info -a {} \; | grep 'ATTRS{name}'
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#TRACKPAD_NAME="SynPS/2 Synaptics TouchPad"
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#TRACKPAD_NAME="ELAN0501:00 04F3:3060 Touchpad"
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temptrackpad="$(find /sys/class/input/ -name mouse* -exec udevadm info -a {} \; | grep 'ATTRS{name}' -m 1)"
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TRACKPAD_NAME="${temptrackpad:18:$((${#temptrackpad})) - 19}"
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USERLIST=$(w -h | cut -d' ' -f1 | sort | uniq)
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MOUSELIST=$(find /sys/class/input/ -name mouse*)
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for CUR_USER in ${USERLIST}; do
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CUR_USER_XAUTH="$(sudo -Hiu ${CUR_USER} env | grep -e "^HOME=" | cut -d'=' -f2)/.Xauthority"
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## Can't find a way to get another users DISPLAY variable from an isolated root environment. Have to set it manually.
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#CUR_USER_DISPL="$(sudo -Hiu ${CUR_USER} env | grep -e "^DISPLAY=" | cut -d'=' -f2)"
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CUR_USER_DISPL=":0"
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export XAUTHORITY="${CUR_USER_XAUTH}"
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export DISPLAY="${CUR_USER_DISPL}"
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if [ -f "${CUR_USER_XAUTH}" ]; then
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case "$1" in
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"add")
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echo "${TRACKPAD_NAME}" > /tmp/trackpad
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/usr/bin/synclient TouchpadOff=1
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/usr/bin/logger "USB mouse plugged. Disabling touchpad for $CUR_USER. ($XAUTHORITY - $DISPLAY)"
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;;
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"remove")
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## Only execute synclient if there are no external USB mice connected to the system.
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EXT_MOUSE_FOUND="0"
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for CUR_MOUSE in ${MOUSELIST}; do
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if [ "$(cat ${CUR_MOUSE}/device/name)" != "$(cat /tmp/trackpad)" ]; then
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EXT_MOUSE_FOUND="1"
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fi
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done
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if [ "${EXT_MOUSE_FOUND}" == "0" ]; then
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/usr/bin/synclient TouchpadOff=0
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/usr/bin/logger "No additional external mice found. Enabling touchpad for $CUR_USER."
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else
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logger "Additional external mice found. Won't enable touchpad yet for $CUR_USER."
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fi
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;;
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esac
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fi
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done
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