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#!/bin/sh
# === Verify `picom --dbus` status ===
if [ -z "$(dbus-send --session --dest=org.freedesktop.DBus --type=method_call --print-reply /org/freedesktop/DBus org.freedesktop.DBus.ListNames | grep compton)" ]; then
echo "compton DBus interface unavailable"
if [ -n "$(pgrep picom)" ]; then
echo "picom running without dbus interface"
#killall picom & # Causes all windows to flicker away and come back ugly.
#picom --dbus & # Causes all windows to flicker away and come back beautiful
else
echo "picom not running"
fi
exit 1;
fi
# === Setup sed ===
if [ -z "$SED" ]; then
SED="sed"
command -v gsed > /dev/null && SED="gsed"
fi
# === Get connection parameters ===
dpy=$(echo -n "$DISPLAY" | tr -c '[:alnum:]' _)
if [ -z "$dpy" ]; then
echo "Cannot find display."
exit 1;
fi
service="com.github.chjj.compton.${dpy}"
interface="com.github.chjj.compton"
picom_dbus="dbus-send --print-reply --dest="${service}" / "${interface}"."
type_win='uint32'
type_enum='uint16'
# === Color Inversion ===
# Get window ID of window to invert
if [ -z "$1" -o "$1" = "selected" ]; then
window=$(xwininfo -frame | sed -n 's/^xwininfo: Window id: \(0x[[:xdigit:]][[:xdigit:]]*\).*/\1/p') # Select window by mouse
elif [ "$1" = "focused" ]; then
# Ensure we are tracking focus
${picom_dbus}opts_set string:track_focus boolean:true &
window=$(${picom_dbus}find_win string:focused | $SED -n 's/^[[:space:]]*'${type_win}'[[:space:]]*\([[:digit:]]*\).*/\1/p') # Query picom for the active window
elif echo "$1" | grep -Eiq '^([[:digit:]][[:digit:]]*|0x[[:xdigit:]][[:xdigit:]]*)$'; then
window="$1" # Accept user-specified window-id if the format is correct
else
echo "$0" "[ selected | focused | window-id ]"
fi
# Color invert the selected or focused window
if [ -n "$window" ]; then
invert_status="$(${picom_dbus}win_get "${type_win}:${window}" string:invert_color | $SED -n 's/^[[:space:]]*boolean[[:space:]]*\([[:alpha:]]*\).*/\1/p')"
if [ "$invert_status" = true ]; then
invert=0 # Set the window to have normal color
else
invert=1 # Set the window to have inverted color
fi
${picom_dbus}win_set "${type_win}:${window}" string:invert_color_force "${type_enum}:${invert}" &
else
echo "Cannot find $1 window."
exit 1;
fi
exit 0;
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