handle subsurfaces

src/helpers/Monitor.hpp

@@ -23,6 +23,7 @@ struct SMonitor {
     // WLR stuff
     wlr_output* output          = nullptr;
     float       refreshRate     = 60;
+    wlr_output_damage* damage   = nullptr;
     
     // Double-linked list because we need to have constant mem addresses for signals
     // We have to store pointers and use raw new/delete because they might be moved between them