+ void setup_ui();
+
+private:
+
+ SigSession _session;
+ pv::view::View *_view;
+
+ QAction *_action_open;
+ QAction *_action_view_zoom_in;
+ QAction *_action_view_zoom_out;
+ QAction *_action_about;
+
+ QMenuBar *_menu_bar;
+ QMenu *_menu_file;
+ QMenu *_menu_view;
+ QMenu *_menu_help;
+
+ QWidget *_central_widget;
+ QVBoxLayout *_vertical_layout;
+
+ QToolBar *_toolbar;
+ SamplingBar *_sampling_bar;
+ QStatusBar *_status_bar;