diff options
| -rwxr-xr-x | random-wall | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/random-wall b/random-wall new file mode 100755 index 0000000..bd23983 --- /dev/null +++ b/random-wall @@ -0,0 +1,128 @@ +#!/bin/bash + +WPDIR="$HOME/pictures/wallpapers" +LAST_WP_FILE="$HOME/.config/random-wall_last_wp.txt" +CURRENT_WP_FILE="$HOME/.config/nitrogen/bg-saved.cfg" + +random=true +apply=true +wpfile="" + +function usage { + local stream exitcode + if [ "$1" -eq 1 ]; then + stream=2 + exitcode=255 + else + stream=1 + exitcode=0 + fi + echo "Usage: $(basename "$0") [-n|--noapply] [-h|--help] [wallpaper_location]" >&"$stream" + echo "If wallpaper location is not given, a random wallpaper from $WPDIR will be chosen" >&"$stream" + exit "$exitcode" +} + +# Check if last wallpaper file exists and get its content +if [ -f "$LAST_WP_FILE" ]; then + LAST_WP=$(<"$LAST_WP_FILE") +else + LAST_WP="" +fi + +# Function to get a random wallpaper from $WPDIR, excluding the last and current wallpapers +function get_random_wallpaper { + local wallpapers + shopt -s nullglob + wallpapers=("$WPDIR"/*.jpg) + if [ ${#wallpapers[@]} -eq 0 ]; then + echo "No wallpapers found in $WPDIR" >&2 + exit 1 + fi + + # If there is only one wallpaper, return it + if [ ${#wallpapers[@]} -eq 1 ]; then + echo "${wallpapers[0]}" + return + fi + + local exclude=() + if [ "$LAST_WP" != "" ]; then + exclude+=("$LAST_WP") + fi + if [ "$CURRENT_WP" != "" ]; then + exclude+=("$CURRENT_WP") + fi + + local random_wallpaper + while true; do + random_wallpaper="${wallpapers[RANDOM % ${#wallpapers[@]}]}" + if [[ ! " ${exclude[@]} " =~ " ${random_wallpaper} " ]]; then + echo "$random_wallpaper" + return + fi + done +} + +# handle arguments +while [ $# -gt 0 ]; do + case "$1" in + "--help" | "-h") + usage 0 + ;; + "--noapply" | "-n") + apply=false + ;; + *) + if ! "$random"; then + usage 1 + elif [ ! -f "$1" ]; then + echo "File '$1' not found" >&2 + exit 1 + fi + random=false + wpfile="$1" + ;; + esac + shift +done + +# Choose a random wallpaper if necessary +if "$random"; then + wpfile=$(get_random_wallpaper) + echo "Chose: $wpfile" >&2 +fi + +# Set the desktop wallpaper +cat >"$HOME/.config/nitrogen/bg-saved.cfg" <<EOF +[xin_-1] +file=$wpfile +mode=4 +bgcolor=#000000 +EOF + +# Set the lock screen wallpaper +"$HOME/.scripts/lockscreen-wallpaper" "$wpfile" & + +# Set the LightDM wallpaper +cp "$wpfile" "/usr/share/lightdm-webkit/themes/glorious/assets/bg.jpg" + +# Save the last chosen wallpaper +echo "$wpfile" >"$LAST_WP_FILE" + +# Sync wallpaper using AccountsService D-Bus +if [ "$wpfile" != "" ]; then + dbus-send \ + --print-reply \ + --system \ + --dest=org.freedesktop.Accounts \ + /org/freedesktop/Accounts/User"$(id -u)" \ + org.freedesktop.DBus.Properties.Set \ + string:org.freedesktop.DisplayManager.AccountsService \ + string:BackgroundFile \ + variant:string:"$wpfile" +fi + +# Apply the desktop wallpaper if requested +if "$apply"; then + nitrogen --restore +fi |