Ticket #37624: window.mm.diff

src/osx/cocoa/window.mm

@@ -2106 +2106 @@
     {
         CFMutableArrayRef typesarray = CFArrayCreateMutable(kCFAllocatorDefault,0,&kCFTypeArrayCallBacks);
         
-        [m_osxView registerForDraggedTypes:(NSArray*)typesarray];
+        dobj->AddSupportedTypes(typesarray);
+        NSView* targetView = m_osxView;
+        if ( [m_osxView isKindOfClass:[NSScrollView class] ] )
+                targetView = [(NSScrollView*) m_osxView documentView];
+        
+        [targetView registerForDraggedTypes:(NSArray*)typesarray];
         CFRelease(typesarray);
     }
 }