79 lines
1.6 KiB
Bash
Executable file
79 lines
1.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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# Constants
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SECONDS_UNTIL_FADE=$(( 1 * 60))
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SECONDS_UNTIL_OFF=$(( 6 * 60))
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COLOR_ON=ff0000
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COLOR_FADE=880000
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COLOR_OFF=000000
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# Logging
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if [[ "$1" = "debug" ]]; then
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echo "Running with debugging" >&2
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DEBUG="true"
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SECONDS_UNTIL_FADE=$(( 3 ))
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SECONDS_UNTIL_OFF=$(( 5 ))
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fi
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log() {
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if [[ "$DEBUG" = "true" ]]; then
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echo "$@" >&2
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fi
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}
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# Implementation
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main() {
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CURRENT_STATE="UNKNOWN"
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LAST_POINTER_MOTION="$(date +%s)"
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if [ "$(ratbagctl list | wc -l)" -ne 1 ]; then
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echo "Not exactly one device found, exiting..."
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exit 1
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fi
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DEVICE="$(ratbagctl list | cut -d: -f1)"
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while true; do
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while read line; do
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LAST_POINTER_MOTION="$(date +%s)"
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break
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done < <(
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timeout 5s \
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libinput debug-events \
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| grep POINTER_MOTION
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)
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TIME_SINCE_LAST=$(( "$(date +%s)" - "$LAST_POINTER_MOTION" ))
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log "Last pointer motion was $TIME_SINCE_LAST seconds ago"
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if [ "$TIME_SINCE_LAST" -gt "$SECONDS_UNTIL_OFF" ]; then
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setState OFF "$COLOR_OFF"
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elif [ "$TIME_SINCE_LAST" -gt "$SECONDS_UNTIL_FADE" ]; then
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setState FADE "$COLOR_FADE"
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else
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setState ON "$COLOR_ON"
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fi
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done
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}
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setState() {
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STATE="$1"
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COLOR="$2"
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MODE="$3"
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if [[ "$STATE" = "$CURRENT_STATE" ]]; then
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log "Already in $STATE state"
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return
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fi
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log "Changing state to $STATE"
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CURRENT_STATE="$STATE"
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ratbagctl "$DEVICE" led 0 set mode on
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ratbagctl "$DEVICE" led 0 set color "$COLOR"
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}
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main
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