#!/bin/bash
# I, Ian Kelling, follow the GNU license recommendations at
# https://www.gnu.org/licenses/license-recommendations.en.html. They
# recommend that small programs, < 300 lines, be licensed under the
# Apache License 2.0. This file contains or is part of one or more small
# programs. If a small program grows beyond 300 lines, I plan to switch
# its license to GPL.

# Copyright 2024 Ian Kelling

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.



set -e; . /usr/local/lib/bash-bear; set +e

script_name="${0##*/}"


m() { printf "$script_name: %s\n" "$*"; "$@"; }

## disabed because unused
# ms() {
#   xinput --set-ptr-feedback "$1" $2 ${3%/*} ${3#*/}
#   # running newer system that uses libinput and has far less
#   # customizability. I havent yet determined the best settings here.
#   if xinput --list-props "$1" | grep "libinput Accel Speed" &>/dev/null; then
#     m xinput --set-prop "$1" "libinput Accel Speed" 1
#   else
#     m xinput --set-prop "$1" 'Device Accel Profile'  $4
#     m xinput --set-prop "$1" 'Device Accel Constant Deceleration' $5
#     m xinput --set-prop "$1" 'Device Accel Velocity Scaling' $6
#   fi
#   xinput --get-feedbacks "$1" | grep "threshold"
#   xinput --get-feedbacks "$1" | grep "accelNum\|accelDenom"
#   xinput --list-props "$1"
# }
# set_device_id() {
#   if [[ $2 ]] && $2; then
#     cmd="tail -n1"
#   else
#     cmd="head -n1"
#   fi
#   if device_id=$(xinput --list | grep "$1" | $cmd); then
#     device_id=${device_id##*id=}
#     device_id=${device_id%%[[:space:]]*}
#     echo "2:$2 device_id=$device_id"
#   else
#     return 1
#   fi
# }

case $1 in
  l) type=laptop ;;
  m) type=keyboardio ;;
esac

if [[ ! $type ]]; then
  if xinput | grep -i keyboardio; then
    type=keyboardio
  else
    type=laptop
  fi
fi

# start auto-repeat faster, but go slower.
#
# default via xset q is 660 25. (delay for autorepeat, repeat rate).  At
# one point I used 200 13, but while learning to use keyboardio, i found
# it a bit too fast.
m xset r rate 400 13 # decrease rate delay

# # disabled because i'm not using it atm 2024
# if set_device_id "SteelSeries World of Warcraft MMO Gaming Mouse"; then
#   ms "$device_id" 100 1000/1 7 4 1
#   # under the new "improved" libinput, the mouse speed/accel has
#   # changed all around and is much more limited.
#   # Other xinput commands will fail and this will succeed.
#   xinput --set-prop "$device_id" "libinput Accel Speed" '.8'
# fi

# todo, differentiate for work pc
#/a/bin/radl

case $type in
  keyboardio)
    # at some point, I found the international variant useful:
    # setxkbmap -layout us -variant intl
    # xkbcomp $DISPLAY xkbcomp-t9-intl.xkb
    #
    # I create these for a new os by comparing the diff with the default
    # of previous os, then recreating the diff manually on the new
    # default. the x2 version has changes on top of keyboardio, so
    # create the keyboardio one first.
    #
    # xkbcomp $DISPLAY xkbcomp-t12.xkb
    # cp xkbcomp-t12.xkb keyboardio-t12.xkb
    # diff xkbcomp-t9.xkb keyboardio-t9.xkb
    # g keyboardio-t12.xkb
    # # finish editing
    # cp keyboardio-t12.xkb x2-t12.xkb
    # diff xkbcomp-t9.xkb x2-t9.xkb
    # g x2-t12.xkb
    m xkbcomp /a/c/keyboardio-t12.xkb $DISPLAY
    ;;
  laptop)
    m xkbcomp /a/c/x2-t12.xkb $DISPLAY
    ;;
esac

## disabled because i'm not using it atm.
# for desktop and htpc
# if set_device_id "Logitech Unifying Device"; then
#   xinput --set-prop "$device_id" 'Evdev Middle Button Emulation' 1
# fi

## slow down ploopy trackball, until we recompile firmware
id=$(xinput list | grep -F 'Ploopy Corporation Trackball Mouse' | sed -rn 's/.*[[:space:]]id=([^[:space:]]*).*/\1/p' ||:)
if [[ $id ]]; then
  m xinput --set-prop $id  'libinput Accel Speed' -0.7
fi

exit 0