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#!/usr/bin/env sh
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applyptrmatrix() {
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PTRID="$(
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xinput | grep -iE 'touchscreen.+pointer' | grep -oE 'id=[0-9]+' | cut -d= -f2
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)"
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xinput set-prop "$PTRID" --type=float --type=float "Coordinate Transformation Matrix" "$@"
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}
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isrotated() {
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xrandr | grep primary | cut -d' ' -f 5 | grep right && return 0
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return 1
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}
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rotnormal() {
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xrandr -o normal
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applyptrmatrix 0 0 0 0 0 0 0 0 0
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exit 0
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}
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rotright() {
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xrandr -o right
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applyptrmatrix 0 1 0 -1 0 1 0 0 1
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exit 0
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}
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rotate() {
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if isrotated; then rotnormal; else rotright; fi
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}
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rotate
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