mabox-tools/local/bin/nitrogen

#!/bin/bash
#
# Wrapper for nitrogen, so LightDM wallpaper is synced.
#
# Copyright (C) 2021 Rafael Cavalcanti - rafaelc.org
# Licensed under GPLv3

set -euo pipefail

/usr/bin/nitrogen "$@"
if [[ "${1:-}" == "--restore" ]]; then
  exit $?
fi

readonly bg_path="$(awk -F '=' '/file/{print $2}' "$HOME/.config/nitrogen/bg-saved.cfg")"

dbus-send \
  --print-reply \
  --system \
  --dest=org.freedesktop.Accounts \
  /org/freedesktop/Accounts/User$(id -u) \
  org.freedesktop.DBus.Properties.Set \
  string:org.freedesktop.DisplayManager.AccountsService \
  string:BackgroundFile \
  variant:string:"$bg_path"

# for Mabox Colorizer
WALLPALDIR="$HOME/.cache/colorizer/palettes"
mkdir -p "$WALLPALDIR"

read WALLPATH<<< $(grep file "$HOME/.config/nitrogen/bg-saved.cfg" | cut -d'=' -f2) # full path to wallpaper file



# Wallpaper history :)
echo ${WALLPATH} >> $HOME/.cache/colorizer/.wallpaper_history
## get filename for palette and thumbnails
NAME=${WALLPATH////_}
if [[ "${NAME}" =~ ^_home_.* ]]; then
n=${#HOME}
((n++))
NAME=${NAME:${n}}
fi

if [ ! -f "$WALLPALDIR/${NAME}.clr" ]; then
   convert ${WALLPATH} -resize 25% -colors 16 -unique-colors txt:- |grep -v '^#'| awk '{print substr($3,1,7)}' |pastel sort-by brightness |pastel format hex > "$WALLPALDIR/$NAME.clr"
fi

# GENERATE THUMBNAIL
THUMBDIR="$HOME/.cache/colorizer/thumbs"
mkdir -p ${THUMBDIR}
THUMB="${THUMBDIR}/${NAME}.png"
if [[ ! -f "$THUMB" ]]; then
convert ${WALLPATH} -resize 270x150^ -gravity center -extent 270x150 ${THUMB}
fi

# GENERATE ICON
convert ${WALLPATH} -resize 52x52^ -gravity center -extent 52x52 -bordercolor white  -border 5 \
          -bordercolor grey60 -border 1 ~/.config/mabox/wpicon.png
killall -SIGUSR1 tint2

# auto generate themes
if command -v w2theme &> /dev/null
then
source ~/.config/colorizer/colorizer.conf
    if [[ "$wall2themes" == "yes" ]];then
        w2theme colorize
    fi
fi