Modular status panel for X11 and Wayland, inspired by https://github.com/jaagr/polybar
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#!/usr/bin/env bash
#
# dwl-tags.sh - display dwl tags
#
# USAGE: dwl-tags.sh 1
#
# REQUIREMENTS:
# - inotifywait ( 'inotify-tools' on arch )
# - Launch dwl with `dwl > ~.cache/dwltags` or change $fname
#
# TAGS:
# Name Type Return
# ----------------------------------------------------
# {tag_N} string dwl tags name
# {tag_N_occupied} bool dwl tags state occupied
# {tag_N_focused} bool dwl tags state focused
# {layout} string dwl layout
# {title} string client title
#
# Now the fun part
#
# Exemple configuration:
#
# - script:
# path: /absolute/path/to/dwl-tags.sh
# args: [1]
# anchors:
# - occupied: &occupied {foreground: 57bbf4ff}
# - focused: &focused {foreground: fc65b0ff}
# - default: &default {foreground: d2ccd6ff}
# content:
# - map:
# margin: 4
# tag: tag_0_occupied
# values:
# true:
# map:
# tag: tag_0_focused
# values:
# true: {string: {text: "{tag_0}", <<: *focused}}
# false: {string: {text: "{tag_0}", <<: *occupied}}
# false:
# map:
# tag: tag_0_focused
# values:
# true: {string: {text: "{tag_0}", <<: *focused}}
# false: {string: {text: "{tag_0}", <<: *default}}
# ...
# ...
# ...
# - map:
# margin: 4
# tag: tag_8_occupied
# values:
# true:
# map:
# tag: tag_8_focused
# values:
# true: {string: {text: "{tag_8}", <<: *focused}}
# false: {string: {text: "{tag_8}", <<: *occupied}}
# false:
# map:
# tag: tag_8_focused
# values:
# true: {string: {text: "{tag_8}", <<: *focused}}
# false: {string: {text: "{tag_8}", <<: *default}}
# - list:
# spacing: 3
# items:
# - string: {text: "{layout}"}
# - string: {text: "{title}"}
# Variables
declare output title layout activetags selectedtags
declare -a tags name
readonly fname="$HOME"/.cache/dwltags
_cycle() {
tags=( "1" "2" "3" "4" "5" "6" "7" "8" "9" )
# Name of tag (optional)
# If there is no name, number are used
#
# Example:
# name=( "" "" "" "Media" )
# -> return "" "" "" "Media" 5 6 7 8 9)
name=()
for tag in "${!tags[@]}"; do
mask=$((1<<tag))
tag_name="tag"
declare "${tag_name}_${tag}"
name[tag]="${name[tag]:-${tags[tag]}}"
printf -- '%s\n' "${tag_name}_${tag}|string|${name[tag]}"
if (( "${selectedtags}" & mask )) 2>/dev/null; then
printf -- '%s\n' "${tag_name}_${tag}_focused|bool|true"
printf -- '%s\n' "title|string|${title}"
else
printf '%s\n' "${tag_name}_${tag}_focused|bool|false"
fi
if (( "${activetags}" & mask )) 2>/dev/null; then
printf -- '%s\n' "${tag_name}_${tag}_occupied|bool|true"
else
printf -- '%s\n' "${tag_name}_${tag}_occupied|bool|false"
fi
done
printf -- '%s\n' "layout|string|${layout}"
printf -- '%s\n' ""
}
# Call the function here so the tags are displayed at dwl launch
_cycle
while true; do
[[ ! -f "${fname}" ]] && printf -- '%s\n' \
"You need to redirect dwl stdout to ~/.cache/dwltags" >&2
inotifywait -qq --event modify "${fname}"
# Get info from the file
output="$(tail -n4 "${fname}")"
title="$(echo "${output}" | grep title | cut -d ' ' -f 3- )"
#selmon="$(echo "${output}" | grep 'selmon')"
layout="$(echo "${output}" | grep layout | cut -d ' ' -f 3- )"
# Get the tag bit mask as a decimal
activetags="$(echo "${output}" | grep tags | awk '{print $3}')"
selectedtags="$(echo "${output}" | grep tags | awk '{print $4}')"
_cycle
done
unset -v output title layout activetags selectedtags
unset -v tags name