iankelling.org Git - distro-setup/blob - obs-i3-monitor

   1 #!/bin/bash
   2 # I, Ian Kelling, follow the GNU license recommendations at
   3 # https://www.gnu.org/licenses/license-recommendations.en.html. They
   4 # recommend that small programs, < 300 lines, be licensed under the
   5 # Apache License 2.0. This file contains or is part of one or more small
   6 # programs. If a small program grows beyond 300 lines, I plan to switch
   7 # its license to GPL.
   8
   9 # Copyright 2024 Ian Kelling
  10
  11 # Licensed under the Apache License, Version 2.0 (the "License");
  12 # you may not use this file except in compliance with the License.
  13 # You may obtain a copy of the License at
  14
  15 #     http://www.apache.org/licenses/LICENSE-2.0
  16
  17 # Unless required by applicable law or agreed to in writing, software
  18 # distributed under the License is distributed on an "AS IS" BASIS,
  19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  20 # See the License for the specific language governing permissions and
  21 # limitations under the License.
  22
  23
  24 set -e; . /usr/local/lib/bash-bear; set +e
  25
  26 try() {
  27   "$@" || printf "warning: failed %s\n" "$*"
  28 }
  29
  30 while true; do
  31   while read -r line ; do
  32     mark=$(printf "%s\n" "$line" | jq -r 'select (.change == "focus") | .container.marks[0]') ||:
  33     if [[ $mark && $mark != null ]]; then
  34       echo $mark > /tmp/last-obs-i3-mark
  35       if [[ ! -e /tmp/no-obs-auto-scene-switch ]]; then
  36         p=$(cat /p/obs-ws-pass)
  37         try obs-cmd -w obsws://localhost:4455/$p scene switch $mark
  38       fi
  39     fi
  40     # debugging
  41     #printf "%s\n" "$line" | jq
  42
  43
  44     # intentional process substitution to properly exit on kill
  45     # ||: avoids error messages
  46   done < <(i3-msg -t subscribe -m '[ "window" ]' ||:)
  47   sleep 5
  48 done