+ void notify_samples_added(QObject* segment, uint64_t start_sample,
+ uint64_t end_sample);
+
+ void notify_min_max_changed(float min, float max);
+
+Q_SIGNALS:
+ void samples_cleared();
+
+ void samples_added(QObject* segment, uint64_t start_sample,
+ uint64_t end_sample);
+
+ void min_max_changed(float min, float max);
+