i3-resurrect saver

focus.sh

shouldmatchtitle () {
  case "$1" in
    discord | VSCodium)
      return 0
      ;;
    *)
      return 1
      ;;
  esac
}

main () {
  local lastitle=
  local windowprops
  local title
  local class
  while true; do
    if [ -n "$ZSH_VERSION" ]; then
      windowprops=(${(f)"$(xdotool getwindowfocus getwindowname getwindowclassname)"})
      title="${windowprops[1]}"
      class="${windowprops[2]}"
    else
      readarray -t windowprops < <(xdotool getwindowfocus getwindowname getwindowclassname)
      title="${windowprops[0]}"
      class="${windowprops[1]}"
    fi
    printf 'Title: %s\nClass: %s\n' "$title" "$class"
    if [[ "$title" != "$lasttitle" ]]; then
      num="$(i3-msg -t get_workspaces | jq -r '.[] | select(.focused == true) | .num')"
      cmd=("i3-resurrect" "save")
      shouldmatchtitle "$class"
      if [[ "$?" -eq 1 ]]; then
        cmd+=("--swallow=class,instance,title")
      fi
      cmd+=("--numeric" "--workspace" "$num")
      # print the command
      printf '%s ' "${cmd[@]}"
      printf '\n'
      # run the command
      "${cmd[@]}" &
    fi
    lasttitle="$title"
    sleep 0.25
  done
}

main