tpcontrol_xinput

#!/bin/sh
# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# Log all calls, with arguments, to /var/log/messages
logger "$0" "$@"

XINPUT=/usr/bin/xinput

export DISPLAY=:0
export XAUTHORITY=/home/chronos/.Xauthority

. /opt/google/mouse/common

PROG=`basename $0`
COMMAND=$1

# On disk preferences
PREF_SENS_FILE=/home/chronos/user/touchpad_sensitivity
PREF_SENS_VALID="[12345]"
PREF_SENS_DEFAULT=3
PREF_TAP_FILE=/home/chronos/user/touchpad_tap_enable
PREF_TAP_VALID="[01]"
PREF_TAP_DEFAULT=0
PREF_3FCLICK_FILE=/home/chronos/user/touchpad_3f_click_enable
PREF_3FCLICK_VALID="[01]"
PREF_3FCLICK_DEFAULT=0
PREF_T5R2_3FCLICK_FILE=/home/chronos/user/touchpad_t5r2_3f_click_enable
PREF_T5R2_3FCLICK_VALID="[01]"
PREF_T5R2_3FCLICK_DEFAULT=0

usage() {
  echo "Usage:"\
    "$PROG {status|log|taptoclick [on|off]|sensitivity [1-5]|"\
    "three_finger_click [on|off]|t5r2_three_finger_click [on|off]|"\
    "set <property> <value>|add|listdev}"
}

# echos "0" (off) or "1" (on) on success, or nothing on failure.
parse_bool() {
  local value="$1"
  case $value in
  "on"|"1")
    echo "1"
    ;;
  "off"|"0")
    echo "0"
    ;;
  esac
}

# Sets VALID to 1 (valid input) or 0 (invalid input)
apply_on_off_prop() {
  local prop_name="$1"
  local value="$2"
  local pref_name="$3"

  local num_val=$(parse_bool "$value")
  if [ -n "$num_val" ]; then
    $XINPUT set-prop $DEVICE "$prop_name" "$num_val"
    store_pref "$pref_name" "$num_val"
    VALID=1
  else
    VALID=0
  fi
}

find_pad
DEVICE=$?
VALID=0

if [ $# = 0 ] ; then
  VALID=0
elif [ "$COMMAND" = "status" -a $# = 1 ] ; then
  $XINPUT list-props $DEVICE
  VALID=1
elif [ "$COMMAND" = "log" -a $# = 1 ] ; then
  $XINPUT set-prop $DEVICE "Logging Notify" 1
  $XINPUT set-prop $DEVICE "Dump Debug Log" 1
  sleep 0.5
  now=$(date '+%Y%m%d-%H%M%S')
  raw_file=/var/log/touchpad_activity_log.txt
  out_dir=/home/chronos/user/log
  out_prefix=touchpad_activity_
  out_file="${out_dir}/${out_prefix}${now}"
  cmt_log_file=/var/log/cmt_input_events.dat
  cmt_out_prefix=cmt_input_events_
  cmt_out_file="${out_dir}/${cmt_out_prefix}${now}"
  if [ ! -d $out_dir ]; then
    echo "User not logged in, so not moving log to user dir"
  else
    gzip -c --stdout "$raw_file" > "$out_file"
    gzip -c --stdout "$cmt_log_file" > "$cmt_out_file"
    # Delete old log files
    delete="$(ls -t ${out_dir}/${out_prefix}* | tail -n '+6')"
    delete="${delete} $(ls -t ${out_dir}/${cmt_out_prefix}* | tail -n '+6')"
    for file in $delete ; do
      rm -f "$file"
    done
  fi
  VALID=1
elif [ "$COMMAND" = "taptoclick" -a $# = 2 ] ; then
  VALUE=$2
  apply_on_off_prop "Tap Enable" "$VALUE" "TAP"
elif [ "$COMMAND" = "sensitivity" -a $# = 2 ] ; then
  VALUE=$2
  $XINPUT set-prop $DEVICE "Sensitivity" "$VALUE"
  store_pref SENS "$VALUE"
  VALID=1
elif [ "$COMMAND" = "three_finger_click" -a $# = 2 ] ; then
  VALUE=$2
  apply_on_off_prop "Three Finger Click Enable" "$VALUE" "3FCLICK"
elif [ "$COMMAND" = "t5r2_three_finger_click" -a $# = 2 ] ; then
  VALUE=$2
  apply_on_off_prop "T5R2 Three Finger Click Enable" "$VALUE" "T5R2_3FCLICK"
elif [ "$COMMAND" = "set" -a $# = 3 ] ; then
  PROP=$2
  VALUE=$3
  $XINPUT set-prop $DEVICE "$PROP" "$VALUE"
  VALID=1
elif [ "$COMMAND" = "add" -a $# = 1 ] ; then
  # New device. Set sensitivity/tap enable
  # Give some time for device to arrive, if necessary
  if [ -z "$DEVICE" ]; then
    sleep 2
    DEVICE="$(find_pad)"
  fi
  $XINPUT set-prop $DEVICE "Sensitivity" "$(load_pref SENS)"
  $XINPUT set-prop $DEVICE "Tap Enable" "$(load_pref TAP)"
  $XINPUT set-prop $DEVICE "Three Finger Click Enable" "$(load_pref 3FCLICK)"
  $XINPUT set-prop $DEVICE "T5R2 Three Finger Click Enable" \
      "$(load_pref T5R2_3FCLICK)"
  VALID=1
elif [ "$COMMAND" = "listdev" -a $# = 1 ] ; then
  find_pad
  echo $?
  VALID=1
fi

if [ $VALID = 0 ] ; then
  usage
fi