+
+ // Returns the amount of horizontal scrolling applied to the
+ // top-level row where the cursor lies
+ int horizScrollOffset() const;
+
+ // Points to the top-level row where the cursor lies (during draw).
+ CursorSlice const & currentRowSlice() const;
+
+ // Points to the top-level row where the cursor lied at last draw event.
+ CursorSlice const & lastRowSlice() const;
+