dotfiles/.local/bin/picom_toggle_inactive_opacity

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#!/bin/bash
# toggle the translucency of inactive windows in the picom compositor
# by substituting the true/false setting in the picom config file.
# picom will automatically reload its settings on any config file changes.
#
# scipt can be called without arguments to toggle the value;
# or with on / off to set it to translucent / opaque, respectively.
piconf="$XDG_CONFIG_HOME"/picom/picom.conf
line=$(grep -n "inactive-opacity-override" "$piconf")
IFS=: read -r line text < <(grep -n "inactive-opacity-override" "$piconf")
_replace() { # line file old new
sed -i "$1 s/$3/$4/" "$2"
}
if [ "$1" = "off" ]; then
_replace "$line" "$piconf" "true" "false"
elif [ "$1" = "on" ]; then
_replace "$line" "$piconf" "false" "true"
elif echo "$text" | grep -q "true"; then
_replace "$line" "$piconf" "true" "false"
elif echo "$text" | grep -q "false"; then
_replace "$line" "$piconf" "false" "true"
fi