80 lines
2.1 KiB
Plaintext
80 lines
2.1 KiB
Plaintext
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#!/bin/sh
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set -e
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# based on https://github.com/carrot69/keep-presence/
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test -n "$XJIGGLER_ACTION_DELAY" \
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|| XJIGGLER_ACTION_DELAY=300 # seconds
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test -n "$XJIGGLER_DETECTION_DELAY" \
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|| XJIGGLER_DETECTION_DELAY=60 # seconds
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test -n "$XJIGGLER_MOUSE_DISTANCE" \
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|| XJIGGLER_MOUSE_DISTANCE=1 # pixels
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# eval is scary but this use was mentioned in the man page
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getmouselocation(){
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eval $(xdotool getmouselocation --shell | sed 's/^/XJIGGLER_/g')
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XJIGGLER_T="$(date '+%s')"
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}
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jiggle(){
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case "$XJIGGLER_mousedirection" in
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up) xdotool mousemove_relative 0 -"$XJIGGLER_MOUSE_DISTANCE"
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return ;;
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right) xdotool mousemove_relative "$XJIGGLER_MOUSE_DISTANCE" 0
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return ;;
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down) xdotool mousemove_relative 0 "$XJIGGLER_MOUSE_DISTANCE"
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return ;;
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left) xdotool mousemove_relative -"$XJIGGLER_MOUSE_DISTANCE" 0
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return ;;
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*)
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false ;;
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esac
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}
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pushmouselocation(){
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XJIGGLER_lastT="$XJIGGLER_T"
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XJIGGLER_lastX="$XJIGGLER_X"
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XJIGGLER_lastY="$XJIGGLER_Y"
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}
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printdebug(){
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printf "XJIGGLER_T=%s\n" "$XJIGGLER_T" # seconds since epoch
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printf "XJIGGLER_X=%s\n" "$XJIGGLER_X" # pixels
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printf "XJIGGLER_Y=%s\n" "$XJIGGLER_Y" # pixels
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printf "XJIGGLER_lastT=%s\n" "$XJIGGLER_lastT"
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printf "XJIGGLER_lastX=%s\n" "$XJIGGLER_lastX"
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printf "XJIGGLER_lastY=%s\n" "$XJIGGLER_lastY"
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}
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rotatemousedirection(){
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case "$XJIGGLER_mousedirection" in
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up) XJIGGLER_mousedirection=right; return; ;;
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right) XJIGGLER_mousedirection=down; return; ;;
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down) XJIGGLER_mousedirection=left; return; ;;
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*) XJIGGLER_mousedirection=up; return; ;;
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esac
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}
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getmouselocation; pushmouselocation
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while true
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do
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sleep "$XJIGGLER_DETECTION_DELAY"
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getmouselocation
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if test "$XJIGGLER_lastX" = "$XJIGGLER_X" \
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&& test "$XJIGGLER_lastY" = "$XJIGGLER_Y"
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then # no movement
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test "$(printf '%s\n%s\n-\n' "$XJIGGLER_S" "$XJIGGLER_lastS" \
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| dc)" -gt "$XJIGGLER_ACTION_DELAY" \
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|| continue # hasn't been long enough
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rotatemousedirection; jiggle
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printf '%s: Jiggled:\n' "$0"
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printdebug | sed 's/^/\t/g'
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else # movement
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pushmouselocation
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printf '%s: Movement detected:\n' "$0"
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printdebug | sed 's/^/\t/g'
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fi
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done >&2
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