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#!/usr/bin/env bash
# ==================================================
# KoolDots (2026)
# Project URL: https://github.com/LinuxBeginnings
# License: GNU GPLv3
# SPDX-License-Identifier: GPL-3.0-or-later
# ==================================================
# Toggle active window opacity using window set_prop (and active_opacity in conf mode).
# Uses flock to prevent double-execution from dual-config (.conf + .lua) loading.
TRANSPARENCY=0.85
NORMAL=1.0
LOCK="/tmp/.hypr_toggle_opacity_${HYPRLAND_INSTANCE_SIGNATURE:-default}.lock"
config_home="${XDG_CONFIG_HOME:-$HOME/.config}"
hypr_dir="$config_home/hypr"
lua_entry="$hypr_dir/hyprland.lua"
legacy_lua_entry="$config_home/hyprland.lua"
if [[ -f "$lua_entry" || -f "$legacy_lua_entry" ]]; then
hypr_config_mode="lua"
else
hypr_config_mode="conf"
fi
(
flock -n 200 || exit 0
CURRENT_PROP=$(hyprctl getprop active opacity 2>/dev/null || true)
CURRENT_OPAQUE=$(hyprctl getprop active opaque 2>/dev/null || true)
CURRENT_VAL=""
if [[ -n "$CURRENT_PROP" && "$CURRENT_PROP" != *"not found"* && "$CURRENT_PROP" != *"unknown"* ]]; then
CURRENT_VAL=$(echo "$CURRENT_PROP" | awk '{v = $1; if (v ~ /^[0-9.]+$/) print v;}')
fi
if [[ -z "$CURRENT_VAL" ]]; then
CURRENT_VAL=$(hyprctl -j getoption decoration:active_opacity 2>/dev/null | jq -r '.float // empty')
fi
if [[ -z "$CURRENT_VAL" || "$CURRENT_VAL" == "null" ]]; then
CURRENT_VAL=$(hyprctl getoption decoration:active_opacity 2>/dev/null | awk 'NR==1{print $2}')
fi
IS_FULL=$(awk -v c="${CURRENT_VAL:-1.0}" -v op="${CURRENT_OPAQUE:-false}" 'BEGIN {
if (op == "true") {
print "1";
} else if (c >= 0.999) {
print "1";
} else {
print "0";
}
}')
if [ "$IS_FULL" = "1" ]; then
TARGET_VAL="$TRANSPARENCY"
TARGET_PROP="${TRANSPARENCY} ${TRANSPARENCY}"
OPAQUE_ACTION="false"
else
TARGET_VAL="$NORMAL"
TARGET_PROP="${NORMAL} ${NORMAL}"
OPAQUE_ACTION="true"
fi
if [[ "$hypr_config_mode" == "lua" ]]; then
# Set window-level property so it affects the active window even when windowrules are active
hyprctl eval "return hl.dispatch(hl.dsp.window.set_prop({ prop = 'opacity', value = '${TARGET_PROP}' }))" >/dev/null 2>&1 || true
hyprctl eval "return hl.dispatch(hl.dsp.window.set_prop({ prop = 'opaque', value = '${OPAQUE_ACTION}' }))" >/dev/null 2>&1 || true
# Also update global active_opacity config
hyprctl eval "hl.config({ decoration = { active_opacity = ${TARGET_VAL} } })" >/dev/null 2>&1 || true
else
hyprctl dispatch setprop active opacity "$TARGET_PROP" >/dev/null 2>&1 || true
hyprctl dispatch setprop active opaque "$OPAQUE_ACTION" >/dev/null 2>&1 || true
hyprctl keyword decoration:active_opacity "$TARGET_VAL" >/dev/null 2>&1 || true
fi
) 200>"$LOCK"
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