quartz dnd: fix drag icon position relative to cursor position

The y axis is reversed on osx

diff --git a/gtk/gtkdnd-quartz.c b/gtk/gtkdnd-quartz.c
index 30c0d06adefa0fe29c231678b5e13af79f777158..97841d0496e024d797d04a0f6148333353d37437 100644 (file)
--- a/gtk/gtkdnd-quartz.c
+++ b/gtk/gtkdnd-quartz.c
@@ -1170,7 +1170,7 @@ gtk_drag_begin_idle (gpointer arg)
     }
 
   point.x -= info->hot_x;
-  point.y -= info->hot_y;
+  point.y -= [drag_image size].height - info->hot_y;
 
   [nswindow dragImage:drag_image
                    at:point