From a19623ea0ac098c6bf545fea043694da97029f08 Mon Sep 17 00:00:00 2001
From: Eddy <4950107+echu2013@users.noreply.github.com>
Date: Sun, 5 Oct 2025 22:43:33 -0300
Subject: [PATCH] Add mutter property check rather only relying on
 XDG_SESSION_DESKTOP name, add support to gnome-shell +v48 on Ubuntu 25.04 and
 probably others as well

---
 turn-off-monitors | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/turn-off-monitors b/turn-off-monitors
index efd4b2c..d4601aa 100755
--- a/turn-off-monitors
+++ b/turn-off-monitors
@@ -17,7 +17,7 @@
 function turn-off-screen-in-wayland()
 {
     echo "Turning off monitors..."
-    if [[ $XDG_SESSION_DESKTOP == gnome* ]]; then
+    if [[ $XDG_SESSION_DESKTOP == gnome* || $MUTTER_PROPERTY_SUPPORTED ]]; then
         _trigger-monitors-off-in-gnome-wayland
 
         local interaction_event=$(wait_until_mouse_or_keyboard_event)
@@ -89,6 +89,13 @@ function wait_until_mouse_or_keyboard_event()
 }
 ### END framework/wait_until_mouse_or_keyboard_event.sh
 
+# C
+if busctl --user get-property org.gnome.Mutter.DisplayConfig \
+    /org/gnome/Mutter/DisplayConfig org.gnome.Mutter.DisplayConfig \
+    PowerSaveMode &>/dev/null; then
+    MUTTER_PROPERTY_SUPPORTED=true
+fi
+
 if [ "$XDG_SESSION_TYPE" == "wayland" ]; then
     turn-off-screen-in-wayland
 else