+ /**
+ * Computes the scale factor from the scale index and vdiv settings.
+ */
+ float get_resolution(int scale_index);
+
+ void update_scale();
+
+protected:
+ void populate_popup_form(QWidget *parent, QFormLayout *form);
+
+private Q_SLOTS:
+ void on_vdivs_changed(int vdivs);
+
+ void on_resolution_changed(int index);
+