swm

#!/bin/bash

#simple wallpaper manager for X. Bind it to any DWM key and toggle between image and video wallpaper or start/stop video wallpaper
#depends on xwinwrap (AUR xwinwrap-git) and mpv video player.

#example of config file in ~/.config/swm
  #SOCKET="/tmp/mpv-socket"
  #VID_BG_PATH="$HOME/Downloads/video.mp4" (all formats MPV supports)
  #IMG_BG_PATH="$HOME/Downloads/image.jpg"

stop_wp_vid() {
  echo '{ "command": ["set_property", "pause", true] }' | socat - "$SOCKET" &> /dev/null
}

start_wp_vid() {
  echo '{ "command": ["set_property", "pause", false] }' | socat - "$SOCKET" &> /dev/null
}

toggle_wp_vid() {
  echo '{ "command": ["cycle", "pause"] }' | socat - "$SOCKET" &> /dev/null
}

set_wp_img() {
  #kill video bg if any
  ps aux | grep mpv | grep xwinwrap | awk '{print $2}' | xargs -r kill
  
  #clear any previous image bg?
  xwallpaper --clear

  #start image bg
  xwallpaper --maximize "$IMG_BG_PATH" &> /dev/null
}

set_wp_vid() {
  #kill image bg
  xwallpaper --clear

  #kill any previous video bg?
  ps aux | grep mpv | grep xwinwrap | awk '{print $2}' | xargs -r kill
  
  rm -f $SOCKET

  #start video bg
  xwinwrap -g 1920x1050+0+0 -ni -nf -ov -- \
  mpv --wid=%WID \
      --no-audio \
      --loop \
      --no-osc \
      --no-border \
      --vo=gpu \
      --vf=fps=30:round=down \
      --hwdec=auto \
      --framedrop=vo \
      --panscan=1 \
      --input-ipc-server="$SOCKET" \
      "$VID_BG_PATH" &> /dev/null &

  sleep 0.3
  pkill -USR1 picom
}

source ~/.config/swm

SOCKET=${SOCKET:-"/tmp/mpv-socket"}
selected_option=$(printf "%s\n" "exit" "image" "video" "toggle" "start" "stop" | dmenu -p "Manage wallpaper" -l 6)
selected_option=$(echo -n $selected_option)

if [ -z "$selected_option" ]; then
    exit 1
fi

case "$selected_option" in
    exit|"")
        exit 0
        ;;
    start)
        start_wp_vid
        ;;
    stop)
        stop_wp_vid
        ;;
    toggle)
        toggle_wp_vid
        ;;
    image)
        set_wp_img
        ;;
    video)
        set_wp_vid
        ;;
    *)
        exit 1
        ;;
esac