Created
March 14, 2022 17:37
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Blur Wallpaper on SwayWM using `oguri`
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| #!/bin/bash | |
| # <Constants> | |
| cache_dir="$HOME/.cache/wallblur" | |
| display_resolution=$(swaymsg -pt get_outputs | grep Current | awk '{print $3}') | |
| # </Constants> | |
| # <Functions> | |
| err() { | |
| echo "[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $@" >&2 | |
| } | |
| gen_blurred_seq () { | |
| notify-send "Building wallblur cache for "$base_filename"" | |
| clean_cache | |
| wallpaper_resolution=$(identify -format "%wx%h" $wallpaper) | |
| err " Display resolution is: ""$display_resolution""" | |
| err " Wallpaper resolution is: $wallpaper_resolution" | |
| if [ "$wallpaper_resolution" != "$display_resolution" ]; then | |
| err "Scaling wallpaper to match resolution" | |
| convert $wallpaper -resize $display_resolution "$cache_dir"/"$filename"0."$extension" | |
| wallpaper="$cache_dir"/"$filename"0."$extension" | |
| fi | |
| for i in $(seq 0 1 5) | |
| do | |
| blurred_wallaper=""$cache_dir"/"$filename""$i"."$extension"" | |
| convert -blur 0x$i $wallpaper $blurred_wallaper | |
| err " > Generating $(basename $blurred_wallaper)" | |
| done | |
| err "Generation done" | |
| } | |
| do_blur () { | |
| for i in 1 2 3 4 5 | |
| do | |
| blurred_wallaper=""$cache_dir"/"$filename""$i"."$extension"" | |
| ogurictl output eDP-1 --image "$blurred_wallaper" | |
| err "$i" | |
| done | |
| } | |
| do_unblur () { | |
| for i in $(seq 5 -1 0) | |
| do | |
| blurred_wallaper=""$cache_dir"/"$filename""$i"."$extension"" | |
| ogurictl output eDP-1 --image "$blurred_wallaper" | |
| done | |
| } | |
| check_wallpaper_changed() { | |
| pywallpaper="$(grep wallpaper ~/.cache/wal/colors.sh | awk -F "=" '{print $2}')" | |
| temp_pre=${pywallpaper%\'} | |
| temp_post="${temp_pre#\'}" | |
| pywallpaper=${temp_post##*/} | |
| if [ "$pywallpaper" != "$base_filename" ] | |
| then | |
| err " Wallpaper changed. Going to update cache" | |
| wallpaper="$temp_post" | |
| base_filename=${wallpaper##*/} | |
| extension="${base_filename##*.}" | |
| filename="${base_filename%.*}" | |
| gen_blurred_seq | |
| prev_state="reset" | |
| fi | |
| } | |
| clean_cache() { | |
| if [ "$(ls -A "$cache_dir")" ]; then | |
| err " * Cleaning existing cache" | |
| rm -r "$cache_dir"/* | |
| fi | |
| } | |
| # </Functions> | |
| # Get the current wallpaper location from pywal cache | |
| wallpaper="$1" | |
| temp_pre=${wallpaper%\'} | |
| wallpaper="${temp_pre#\'}" | |
| err "Curr wallpaper $wallpaper" | |
| base_filename=${wallpaper##*/} | |
| extension="${base_filename##*.}" | |
| filename="${base_filename%.*}" | |
| err $base_filename | |
| err $extension | |
| err $filename | |
| err $cache_dir | |
| # Create a cache directory if it doesn't exist | |
| if [ ! -d "$cache_dir" ]; then | |
| err "* Creating cache directory" | |
| mkdir -p "$cache_dir" | |
| fi | |
| blur_cache=""$cache_dir"/"$filename"0."$extension"" | |
| # Generate cached images if no cached images are found | |
| if [ ! -f "$blur_cache" ] | |
| then | |
| gen_blurred_seq | |
| fi | |
| prev_state="reset" | |
| while :; do | |
| #check_wallpaper_changed | |
| #current_workspace="$(xprop -root _NET_CURRENT_DESKTOP | awk '{print $3}')" | |
| #err $current_workspace | |
| num_windows="$( swaymsg -t get_tree | jq '[.nodes[] | .nodes[] | select(.. | .focused?) | .. | select(.app_id? or .window_properties?)] | length')" | |
| err Number of Windows: $num_windows | |
| # If there are active windows | |
| if [ "$num_windows" -gt 0 ]; then | |
| if [ "$prev_state" != "blurred" ]; then | |
| err " ! Blurring" | |
| do_blur | |
| fi | |
| prev_state="blurred" | |
| else # If no windows, unblur | |
| err "shit" | |
| if [ "$prev_state" != "unblurred" ]; then | |
| err " ! Un-blurring" | |
| do_unblur | |
| fi | |
| prev_state="unblurred" | |
| fi | |
| sleep 1 | |
| done |
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