79 lines
2 KiB
Bash
Executable file
79 lines
2 KiB
Bash
Executable file
#!/bin/sh
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# stateful script to manage dual monitor setups
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read_cfg() {
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if [ -f ~/.config/xrandr ]; then
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. ~/.config/xrandr
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fi
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if [ -z "${PRIMARY_MONITOR}" ]; then
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PRIMARY_MONITOR=$(get_default_monitor)
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fi
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if [ -z "${MONITOR_RELATION}" ]; then
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MONITOR_RELATION="solo"
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fi
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}
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show_cfg() {
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printf "PRIMARY_MONITOR=${PRIMARY_MONITOR}\n"
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printf "SECONDARY_MONITOR=${SECONDARY_MONITOR}\n"
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printf "MONITOR_RELATION=${MONITOR_RELATION}\n"
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}
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get_default_monitor() {
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xrandr --listmonitors | grep -v ^Monitors | head -n 1 | awk '{print $NF}'
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}
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apply_monitor_cfg() {
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xrandr --output ${PRIMARY_MONITOR} --auto --primary
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if [ ! -z "${SECONDARY_MONITOR}" ] && [ "${SECONDARY_MONITOR}" != "${PRIMARY_MONITOR}" ]; then
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case ${MONITOR_RELATION} in
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solo)
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xrandr --output ${SECONDARY_MONITOR} --off ;;
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left-of|right-of|above|below)
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xrandr --output ${SECONDARY_MONITOR} --auto --${MONITOR_RELATION} ${PRIMARY_MONITOR} ;;
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esac
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else
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echo "SECONDARY_MONITOR is not set, or same as PRIMARY_MONITOR:"
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show_cfg
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fi
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}
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helpme() {
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printf "$0 [list | setup | primary [NAME] | secondary [NAME] | relation [NAME] | reconfigure]\n"
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printf " commands:\n"
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printf " list: show monitor info\n"
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printf " setup: show current setup\n"
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printf " primary: set primary monitorp\n"
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printf " secondary: set secondary monitor\n"
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printf " relation: set monitor relation\n"
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printf " reconfigure: set monitor config based on the relation\n"
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printf " relations:\n"
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printf " solo: disable secondary monitor\n"
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printf " left-of,right-of,above,below: secondary monitor has named relation to primary\n"
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}
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read_cfg
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case "$1" in
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list)
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xrandr --listmonitors ;;
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setup)
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show_cfg ;;
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primary)
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PRIMARY_MONITOR=${2}
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show_cfg > ~/.config/xrandr
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;;
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secondary)
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SECONDARY_MONITOR=${2}
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show_cfg > ~/.config/xrandr
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;;
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relation)
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MONITOR_RELATION=${2}
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show_cfg > ~/.config/xrandr
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;;
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reconfigure)
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apply_monitor_cfg ;;
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*)
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helpme
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esac
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