2022-01-27 00:59:07 +01:00
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#!/bin/bash
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2022-01-31 01:46:35 +01:00
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pidfile=/tmp/autorotate.pid
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if ps -p $(cat "$pidfile" 2>/dev/null) >/dev/null; then
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echo "An autorotate process is already running - if not please remove $pidfile" >&2
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exit 1
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fi
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echo $$ > "$pidfile"
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2022-01-27 00:59:07 +01:00
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script_dir="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
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source "$script_dir/cutiepi-screen-common"
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# Turn off the HDMI interface. This actually shouldn't be required, but taking
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# the second display into account would make the xinput coordinate transformation
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# matrices more complex (TODO it can be tackled later if there's enough demand for
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# screen rotation features while the tablet is attached to another screen)
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xrandr --output HDMI-2 --off
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# Default rotation: standard horizontal
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screen_set_horizontal
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monitor-sensor | while read line; do
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echo "$line" | egrep '^\s*Accelerometer orientation changed: ' >/dev/null || continue
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orientation=$(echo "$line" | awk '{print $4}')
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case "$orientation" in
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left-up) screen_set_horizontal;;
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normal) screen_set_vertical;;
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right-up) screen_set_horizontal_inverted;;
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bottom-up) screen_set_vertical_inverted;;
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esac
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done
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