Ubuntu擴展觸摸屏觸控錯位修復

當我們ubuntu外接一個觸摸顯示器的時候，會發現觸摸擴展屏幕，發現操控的是主屏幕，我寫了一個腳本去修復。

#! /bin/bash
#------------------------------------------------------------------------------
# Filename:    repairTouchscreen.sh
# Usage:       ./repairTouchscreen.sh
# Version:     1.0
# Date:        2018-03-29
# Author:      vincent
# Email:       N/A
# Description: 此腳本用于修復Ubuntu下，擴展觸摸顯示器，觸摸擴展屏操作主屏的錯誤
# Notes:       N/A
#-------------------------------------------------------------------------------outputErrorMsg()
{if [ $1 -ne 0 ]thenecho $2exitfi
}declare SCREEN_COUNTS          # 當前顯示器的總數
declare ACTIVE_SCREEN_COUNTS   # 當前活躍的顯示器數量
declare SCREEN_NAME            # 顯示器的輸出名稱
declare TOUCH_DEVICE_ID        # 觸摸設備ID號SCREEN_COUNTS=$(xrandr --listmonitors | wc -l)
outputErrorMsg $? "Get screen counts failed!"
SCREEN_COUNTS=`expr $SCREEN_COUNTS - 1`ACTIVE_SCREEN_COUNTS=$(xrandr --listactivemonitors | wc -l)
outputErrorMsg $? "Get active screen counts failed!"
ACTIVE_SCREEN_COUNTS=`expr $ACTIVE_SCREEN_COUNTS - 1`if [ $ACTIVE_SCREEN_COUNTS -ge 3 ] # 如果當前活躍的顯示器數量多于2個，退出
thenoutputErrorMsg 1 "There are currently three monitors, please reduce to two monitors！"
fiif [ $ACTIVE_SCREEN_COUNTS -eq 1 ] # 如果只有一個活躍的顯示器，退出
thenoutputErrorMsg 1 "There are only one monitor!"
fi
# 如果是兩個屏幕，那么第一個是主屏幕，第二個是輔助屏幕
SCREEN_NAME=($(xrandr --listactivemonitors | awk '{if(NR > 1) {print $4}}'))
outputErrorMsg $? "Get screen name failed!"TOUCH_DEVICE_ID=$(xinput | grep -iw touch) # 獲取可觸摸設備if [ -z "$TOUCH_DEVICE_ID" ]
thenoutputErrorMsg 1 "There is no touch device!"
fiTOUCH_DEVICE_ID=$(echo ${TOUCH_DEVICE_ID#*id=})
TOUCH_DEVICE_ID=$(echo ${TOUCH_DEVICE_ID%% *})   # 最終獲取id號if [ -z "$TOUCH_DEVICE_ID" ]
thenoutputErrorMsg 1 "Device id is empty!"
fixinput map-to-output $TOUCH_DEVICE_ID ${SCREEN_NAME[1]}
xrandr --listactivemonitors
echo "Setting successful!"