umu_run: compute the symmetric difference

Open-Wine-Components · Jul 20, 2024 · a5740fe · a5740fe
1 parent ffcd610
commit a5740fe
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/umu/umu_run.py b/umu/umu_run.py
@@ -608,11 +608,9 @@ def monitor_windows(
         if not current_window_list:
             continue
 
-        if window_client_set.difference(current_window_list):
+        if diff := window_client_set.symmetric_difference(current_window_list):
             log.debug("New windows detected")
-            set_steam_game_property(
-                d_secondary, current_window_list, steam_assigned_layer_id
-            )
+            set_steam_game_property(d_secondary, diff, steam_assigned_layer_id)
             d_secondary.flush()