+ bool data_saved() const;
+
+ void save_setup(QSettings &settings) const;
+
+ void save_settings(QSettings &settings) const;
+
+ void restore_setup(QSettings &settings);
+
+ void restore_settings(QSettings &settings);
+
+ /**
+ * Attempts to set device instance, may fall back to demo if needed
+ */
+ void select_device(shared_ptr<devices::Device> device);