+ int leftOffset(BufferView const *) const override { return 0; }
+ ///
+ int rightOffset(BufferView const *) const override { return 0; }
+
+ ///
+ void metrics(MetricsInfo &, Dimension &) const override;
+ ///
+ void draw(PainterInfo & pi, int x, int y) const override;
+ ///
+ bool showInsetDialog(BufferView * bv) const override;