+ add_to_grid ();
+
+ layout();
+}
+
+
+void
+AudioPanel::add_to_grid ()
+{
+ int r = 0;
+
+ auto reference_sizer = new wxBoxSizer (wxVERTICAL);
+ reference_sizer->Add (_reference, 0);
+ reference_sizer->Add (_reference_note, 0);
+ _grid->Add (reference_sizer, wxGBPosition(r, 0), wxGBSpan(1, 4));
+ ++r;
+
+ _grid->Add (_show, wxGBPosition (r, 0), wxGBSpan (1, 2));
+ _grid->Add (_peak, wxGBPosition (r, 2), wxGBSpan (1, 2), wxALIGN_CENTER_VERTICAL);
+ ++r;
+
+ add_label_to_sizer (_grid, _gain_label, true, wxGBPosition(r, 0));
+ {
+ auto s = new wxBoxSizer (wxHORIZONTAL);
+ s->Add (_gain->wrapped(), 1, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_SIZER_GAP);
+ s->Add (_gain_db_label, 0, wxALIGN_CENTER_VERTICAL);
+ _grid->Add (s, wxGBPosition(r, 1));
+ }
+
+ _grid->Add (_gain_calculate_button, wxGBPosition(r, 2), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
+ ++r;
+
+ add_label_to_sizer (_grid, _delay_label, true, wxGBPosition(r, 0));
+ auto s = new wxBoxSizer (wxHORIZONTAL);
+ s->Add (_delay->wrapped(), 1, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_SIZER_GAP);
+ s->Add (_delay_ms_label, 0, wxALIGN_CENTER_VERTICAL);
+ _grid->Add (s, wxGBPosition(r, 1));
+ ++r;
+
+ add_label_to_sizer (_grid, _fade_in_label, true, wxGBPosition(r, 0));
+ _grid->Add (_fade_in, wxGBPosition(r, 1), wxGBSpan(1, 3));
+ ++r;
+
+ add_label_to_sizer (_grid, _fade_out_label, true, wxGBPosition(r, 0));
+ _grid->Add (_fade_out, wxGBPosition(r, 1), wxGBSpan(1, 3));
+ ++r;
+
+ _grid->Add (_use_same_fades_as_video, wxGBPosition(r, 0), wxGBSpan(1, 4));
+ ++r;