#!/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.

# shellcheck source=/a/bin/ds/.bashrc
if [[ -s ~/.bashrc ]];then . ~/.bashrc;fi
set -x

type=model01

case $1 in
  l) type=laptop ;;
  m) type=model01 ;;
esac

#set -x
mi() {
  xinput --get-feedbacks "$1" | grep "threshold"
  xinput --get-feedbacks "$1" | grep "accelNum\|accelDenom"
  xinput --list-props "$1"
}
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
    xinput --set-prop "$1" "libinput Accel Speed" 1
  else
    xinput --set-prop "$1" 'Device Accel Profile'  $4
    xinput --set-prop "$1" 'Device Accel Constant Deceleration' $5
    xinput --set-prop "$1" 'Device Accel Velocity Scaling' $6
  fi
  mi "$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
}

# default via xset q is 660 25. (delay for autorepeat, repeat rate)
# was at 200 13, but while learning to use keyboardio, i hold keys a bit longer sometimes.
xset r rate 400 13 # decrease rate delay

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
  model01)
    # original saved with:
    # setxkbmap -layout us -variant intl
    # xkbcomp $DISPLAY /a/c/etiona-2021-intl.xkb
    xkbcomp /a/c/model01.xkb $DISPLAY
    ;;
  laptop)
    xkbcomp /a/c/x2.xkb $DISPLAY

    ;;
esac

# 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
#   xinput --set-prop $id  'libinput Accel Speed' -0.9
# fi

set +x
exit 0