-#if defined(__WXMSW__)
-#include "wx/msw/region.h"
-#elif defined(__WXMOTIF__)
-#include "wx/motif/region.h"
+#include "wx/colour.h"
+
+#if defined(__WXPALMOS__)
+ #include "wx/palmos/region.h"
+#elif defined(__WXMSW__)
+ #include "wx/msw/region.h"
+#elif defined(__WXGTK20__)
+ #include "wx/gtk/region.h"