+ /// access to full cursor
+ LCursor & fullCursor();
+ /// access to full cursor
+ void fullCursor(LCursor const &);
+ /// access to full cursor
+ LCursor const & fullCursor() const;
+ /// access to topmost cursor slice
+ CursorSlice & cursor();
+ /// access to topmost cursor slice
+ CursorSlice const & cursor() const;
+ /// access to selection anchor
+ CursorSlice & anchor();
+ /// access to selection anchor
+ CursorSlice const & anchor() const;