Provide notifiers for when signal data changes

[pulseview.git] / pv / data / logic.hpp

diff --git a/pv/data/logic.hpp b/pv/data/logic.hpp
index 6e5749a31ee86daac20bf38f2b963a66ed69ebb3..e7f7a055da3db150f12f8365edf16af3b7aec59c 100644 (file)
--- a/pv/data/logic.hpp
+++ b/pv/data/logic.hpp
@@ -24,13 +24,17 @@
 
 #include <deque>
 
+#include <QObject>
+
 namespace pv {
 namespace data {
 
 class LogicSegment;
 
-class Logic : public SignalData
+class Logic : public QObject, public SignalData
 {
+       Q_OBJECT
+
 public:
        Logic(unsigned int num_channels);
 
@@ -48,6 +52,15 @@ public:
 
        uint64_t max_sample_count() const;
 
+       void notify_samples_added(QObject* segment, uint64_t start_sample,
+               uint64_t end_sample);
+
+Q_SIGNALS:
+       void samples_cleared();
+
+       void samples_added(QObject* segment, uint64_t start_sample,
+               uint64_t end_sample);
+
 private:
        const unsigned int num_channels_;
        std::deque< std::shared_ptr<LogicSegment> > segments_;