merge main

src/slic3r/GUI/DragCanvas.cpp

@@ -1,6 +1,5 @@
 #include "DragCanvas.hpp"
 #include "wxExtensions.hpp"
-#include "GUI_App.hpp"
 #include "Widgets/StateColor.hpp"
 #include <wx/colour.h>
 #include <vector>
@@ -13,6 +12,8 @@
 #include <wx/dcclient.h>
 #include <wx/dragimag.h>
 
+class wxWindow;
+
 namespace Slic3r { namespace GUI {
 
 #define CANVAS_WIDTH FromDIP(240)