fix #832

[lyx.git] / src / insets / insetbase.h

diff --git a/src/insets/insetbase.h b/src/insets/insetbase.h
index 79933fcc62d3598fa7219354cfa260c5e45d58e2..c6dc34894ee7e0b175c478e42ec093160104a512 100644 (file)
--- a/src/insets/insetbase.h
+++ b/src/insets/insetbase.h
@@ -14,6 +14,7 @@
 
 #include <vector>
 
+class BufferView;
 class FuncRequest;
 
 /** Dispatch result codes
@@ -64,6 +65,11 @@ public:
 
        ///
        virtual ~InsetBase() {}
+
+       /// Methods to cache and retrieve a cached BufferView.
+       virtual void cache(BufferView *) const {}
+       ///
+       virtual BufferView * view() const { return 0; }
 };
 
 #endif