+ std::vector<int> _output_ports;
+ sigc::connection _screen_update_connection;
+ sigc::connection _message_update_connection;
+ Gtk::Widget* _gui_widget;
+ /** a box containing the focus, bypass, delete, save / add preset buttons etc. */
+ Gtk::HBox _ardour_buttons_box;
+ float* _values_last_sent_to_ui;
+ std::vector<ControllableRef> _controllables;
+ struct lv2_external_ui_host _external_ui_host;
+ LV2_Feature _external_ui_feature;
+ LV2_Feature _external_kxui_feature;
+ struct lv2_external_ui* _external_ui_ptr;
+ LV2_Feature _parent_feature;
+ Gtk::Window* _win_ptr;
+ void* _inst;
+ typedef std::set<uint32_t> Updates;
+ Updates _updates;