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#!/bin/sh
function cleanup {
stty -echo
printf "\e[?1006;1000l"
}
trap cleanup EXIT
stty -echo
# Enable SGR protocol and button press and release events
printf "\e[?1006;1000h"
while read -n 1 line
do
printf -v ch "%d" \'$line
if [ "27" != "$ch" ]; then
continue
fi
read -n 1 line
if [ "[" != "$line" ]; then
continue
fi
read -n 1 line
if [ "<" != "$line" ]; then
continue
fi
# Read button state
modifier=
while read -n 1 line
do
if [ ";" = "$line" ]; then
# End
break
fi
printf -v modifier "$modifier$line"
done
# Read column
col=
while read -n 1 line
do
if [ ";" = "$line" ]; then
# End
break
fi
printf -v col "$col$line"
done
# Read row
row=
while read -n 1 line
do
if [ "M" = "$line" ] || [ "m" = "$line" ]; then
# End
btn=$line
break
fi
printf -v row "$row$line"
done
if [ "M" = "$btn" ]; then
echo "You pressed at $col x $row (mods: $modifier)"
else
echo "You released at $col x $row (mods: $modifier)"
fi
done < "${1:-/dev/stdin}"
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