#!/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

## based on:
## https://github.com/i3/i3/issues/2971

window=$(xdotool getwindowfocus)

# this brings in variables WIDTH and HEIGHT
eval "$(xdotool getwindowgeometry --shell $window)"


if (( HEIGHT > 100 )); then
  TX=$(( WIDTH / 2))
  TY=$(( HEIGHT / 2))

  xdotool mousemove -window $window $TX $TY
  # iank, original says "Check for height of 100 assumes that anything
  # less than that means no window", and this condition is for "when I
  # am navigating to a screen that does not have an open window on it". I don't think
else
  rect=$(i3-msg -t get_workspaces | jq -r '.[] | select(.focused==true).rect')

  x=$(jq -r '.x' <<< $rect)
  y=$(jq -r '.y' <<< $rect)
  w=$(jq -r '.width' <<< $rect)
  h=$(jq -r '.height' <<< $rect)
  TX=$(( x + w / 2))
  TY=$(( y + h / 2))
  xdotool mousemove -window $window $TX $TY
fi