sway-workspace

#!/usr/bin/env bash

# sway-launch

shopt -s xpg_echo

bold="\033[1m"
green="\033[32m"
red="\033[31m"
reset="\033[0m"

# swaymsg, fallback to i3-msg
swaymsg() {
  if command -v swaymsg >/dev/null 2>&1; then
    command swaymsg "$@"
  else
    command i3-msg "$@"
  fi
}

usage() {
  echo "${bold}Usage:${reset} ${green}sway-workspace${reset} [OPTIONS] [VALUE]"
  echo
  echo "- Go to provided workspace."
  echo "- If no value is provided, print the current workspace."
  echo
  echo "VALUE can be:"
  echo '- "next", "prev", "next-empty", or a number.'
  echo
  echo "OPTIONS:"
  echo '  -q, --quiet               Do not print any output. (Useful for wrapping scripts'
  echo '                            with their own outputs.)'
  echo "  -h, --help                Show this help message."
}


# parse options
quiet=0
workspace=""
while [[ "$#" -gt 0 ]]; do
  case "$1" in
    -q|--quiet)
      quiet=1
      shift
      ;;
    -h|--help)
      usage
      exit 0
      ;;
    current|next|prev|next-empty|[0-9]*)
      workspace=$1
      shift
      ;;
    *)
      echo "Invalid argument: $1" 
      [[ $quiet -eq 0 ]] && usage
      exit 1
      ;;
  esac
done

# if no argument, print current workspace
if [[ "$workspace" == "" ]]; then
  sway-get-current-workspace
  exit 0
fi

# handle "next", "prev" and number, in which case we message sway
if [[ "$workspace" =~ ^[0-9]+$ ]] || [[ "$workspace" == "next" ]] || [[ "$workspace" == "prev" ]]; then
  [[ $quiet -eq 0 ]] && echo "Going to workspace ${green}${workspace}${reset} ..."
  swaymsg workspace "$workspace"
  exit 0
fi

# handle "next-empty"
if [[ "$workspace" == "next-empty" ]]; then
  workspace=$(sway-get-next-empty-workspace)
  [[ $quiet -eq 0 ]] && echo "Going to workspace ${green}${workspace}${reset} ..."
  swaymsg workspace "$workspace"
  exit 0
fi