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|
#!/usr/bin/env bash
# /* ---- 💫 https://github.com/LinuxBeginnings 💫 ---- */ ##
# Wallust: derive colors from the current wallpaper and update templates
# Usage: WallustSwww.sh [absolute_path_to_wallpaper]
set -euo pipefail
# Inputs and paths
passed_path="${1:-}"
cache_dir="$HOME/.cache/swww/"
rofi_link="$HOME/.config/rofi/.current_wallpaper"
wallpaper_current="$HOME/.config/hypr/wallpaper_effects/.wallpaper_current"
read_cached_wallpaper() {
local cache_file="$1"
if [[ -f "$cache_file" ]]; then
awk 'NF && $0 !~ /^filter/ {print; exit}' "$cache_file"
fi
}
read_wallpaper_from_query() {
local monitor="$1"
swww query | awk -v mon="$monitor" '
/^Monitor/ {
cur=$2
gsub(":", "", cur)
}
/image:/ && cur==mon {
sub(/^.*image: /,"")
print
exit
}
'
}
# Helper: get focused monitor name (prefer JSON)
get_focused_monitor() {
if command -v jq >/dev/null 2>&1; then
hyprctl monitors -j | jq -r '.[] | select(.focused) | .name'
else
hyprctl monitors | awk '/^Monitor/{name=$2} /focused: yes/{print name}'
fi
}
# Determine wallpaper_path
wallpaper_path=""
if [[ -n "$passed_path" && -f "$passed_path" ]]; then
wallpaper_path="$passed_path"
else
# Try to read from swww cache for the focused monitor, with a short retry loop
current_monitor="$(get_focused_monitor)"
cache_file="$cache_dir$current_monitor"
# Wait briefly for swww to write its cache after an image change
for i in {1..10}; do
if [[ -f "$cache_file" ]]; then
break
fi
sleep 0.1
done
if [[ -f "$cache_file" ]]; then
# The first non-filter line is the original wallpaper path
wallpaper_path="$(read_cached_wallpaper "$cache_file")"
fi
if [[ -z "$wallpaper_path" ]]; then
wallpaper_path="$(read_wallpaper_from_query "$current_monitor")"
fi
fi
if [[ -z "${wallpaper_path:-}" || ! -f "$wallpaper_path" ]]; then
# Nothing to do; avoid failing loudly so callers can continue
exit 0
fi
# Update helpers that depend on the path
ln -sf "$wallpaper_path" "$rofi_link" || true
mkdir -p "$(dirname "$wallpaper_current")"
cp -f "$wallpaper_path" "$wallpaper_current" || true
# Ensure Ghostty directory exists so Wallust can write target even if Ghostty isn't installed
mkdir -p "$HOME/.config/ghostty" || true
wait_for_templates() {
local start_ts="$1"
shift
local files=("$@")
for _ in {1..50}; do
local ready=true
for file in "${files[@]}"; do
if [[ ! -s "$file" ]]; then
ready=false
break
fi
local mtime
mtime=$(stat -c %Y "$file" 2>/dev/null || echo 0)
if (( mtime < start_ts )); then
ready=false
break
fi
done
$ready && return 0
sleep 0.1
done
return 1
}
# Run wallust (silent) to regenerate templates defined in ~/.config/wallust/wallust.toml
# -s is used in this repo to keep things quiet and avoid extra prompts
start_ts=$(date +%s)
wallust run -s "$wallpaper_path" || true
wallust_targets=(
"$HOME/.config/waybar/wallust/colors-waybar.css"
"$HOME/.config/rofi/wallust/colors-rofi.rasi"
)
wait_for_templates "$start_ts" "${wallust_targets[@]}" || true
# Run kitty-only wallust config to keep terminal palette separate
run_wallust_with_config() {
local cfg="$1"
if wallust run --help 2>&1 | grep -q -E '(^|[[:space:]])-c([,[:space:]]|$)|--config'; then
wallust run -s -c "$cfg" "$wallpaper_path" || true
else
WALLUST_CONFIG="$cfg" wallust run -s "$wallpaper_path" || true
fi
}
kitty_cfg="$HOME/.config/wallust/wallust-kitty.toml"
if [ -f "$kitty_cfg" ]; then
kitty_ts=$(date +%s)
run_wallust_with_config "$kitty_cfg"
wait_for_templates "$kitty_ts" "$HOME/.config/kitty/kitty-themes/01-Wallust.conf" || true
fi
# Reload kitty colors when wallpaper-based theme is active
kitty_wallust_theme="$HOME/.config/kitty/kitty-themes/01-Wallust.conf"
if [ -s "$kitty_wallust_theme" ]; then
if command -v kitty >/dev/null 2>&1; then
kitty @ load-config >/dev/null 2>&1 || true
kitty @ set-colors --all --configured "$kitty_wallust_theme" >/dev/null 2>&1 || true
fi
if pidof kitty >/dev/null 2>&1; then
for pid in $(pidof kitty); do
kill -SIGUSR1 "$pid" 2>/dev/null || true
done
fi
fi
# Normalize Ghostty palette syntax in case ':' was used by older files
if [ -f "$HOME/.config/ghostty/wallust.conf" ]; then
sed -i -E 's/^(\s*palette\s*=\s*)([0-9]{1,2}):/\1\2=/' "$HOME/.config/ghostty/wallust.conf" 2>/dev/null || true
fi
# Light wait for Ghostty colors file to be present then signal Ghostty to reload (SIGUSR2)
for _ in 1 2 3; do
[ -s "$HOME/.config/ghostty/wallust.conf" ] && break
sleep 0.1
done
if pidof ghostty >/dev/null; then
for pid in $(pidof ghostty); do kill -SIGUSR2 "$pid" 2>/dev/null || true; done
fi
# Prompt Waybar to reload colors
if command -v waybar-msg >/dev/null 2>&1; then
waybar-msg cmd reload >/dev/null 2>&1 || true
elif pidof waybar >/dev/null; then
killall -SIGUSR2 waybar 2>/dev/null || true
fi
|
