+ static const int window_border_width;
+ static const int container_border_width;
+ static const int vertical_spacing;
+ static const int horizontal_spacing;
+
+#ifdef TOP_MENUBAR
+ /*
+ * This is needed for OS X primarily
+ * but also any other OS that uses a single
+ * top menubar instead of per window menus
+ */
+ virtual Gtk::HBox& get_status_bar_packer() = 0;
+#endif
+
+ virtual gdouble get_trackview_group_vertical_offset () const = 0;
+ virtual gdouble get_canvas_timebars_vsize () const = 0;
+ virtual ArdourCanvas::Group* get_background_group () const = 0;
+ virtual ArdourCanvas::Group* get_trackview_group () const = 0;
+
+ virtual TimeAxisView* axis_view_from_route (boost::shared_ptr<ARDOUR::Route>) const = 0;
+
+ virtual void show_verbose_canvas_cursor_with (const std::string& txt) = 0;
+ virtual void hide_verbose_canvas_cursor() = 0;
+
+ virtual void center_screen (nframes64_t) = 0;
+
+ virtual TrackViewList axis_views_from_routes (boost::shared_ptr<ARDOUR::RouteList>) const = 0;
+ virtual TrackViewList const & get_track_views () = 0;
+