placeholder for scaling mode detection heuristics

xrandroll/main.py

@@ -254,6 +254,12 @@ class Window(QObject):
         self.adjust_view()
         self.scale_changed()  # Trigger scale labels update
 
+    def detect_scaling_mode(self, monitor):
+        """Given a monitor's data, try to guess what scaling 
+        mode it's using."""
+        
+         
+
     def choose_a_monitor(self):
         """Choose what monitor to select by default.