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#!/bin/sh
# Periodically checks if the active window is a full screen one and if so,
# uses xdotool to simulate a keypress and unsets+sets DPMS to attempt to
# stop a screen locker from locking the screen.
# My primary use case is for watching youtube videos in full screen without
# needing to wriggle the mouse periodically
DELAY=300
while true; do
activ_win_id=$(xprop -root _NET_ACTIVE_WINDOW)
if result=$(xprop -id ${activ_win_id:40:9} | grep _NET_WM_STATE_FULLSCREEN); then
xdotool key Print
xset -dpms
xset dpms
fi
sleep "$DELAY"
done
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