Fix drawing of empty boxes

[lyx.git] / src / mathed / MathData.h

diff --git a/src/mathed/MathData.h b/src/mathed/MathData.h
index 058d86e30e283269710144fbfd6e182c34e43981..a1ce7a6df0e720aae0099f4df7f134814bd8da1c 100644 (file)
--- a/src/mathed/MathData.h
+++ b/src/mathed/MathData.h
@@ -137,6 +137,8 @@ public:
        void drawT(TextPainter & pi, int x, int y) const;
        /// mark cell for re-drawing
        void touch() const;
+       /// approximate the math class of the data
+       MathClass mathClass() const;
 
        /// access to cached x coordinate of last drawing
        int xo(BufferView const & bv) const;