Provide notifiers for when signal data changes

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

diff --git a/pv/data/logicsegment.hpp b/pv/data/logicsegment.hpp
index 43fd41126617bd0b9d76dbc0f8bbf7875c5569bd..a7a38ebefa7761a7929073272d5e7dcabf1b0361 100644 (file)
--- a/pv/data/logicsegment.hpp
+++ b/pv/data/logicsegment.hpp
@@ -25,6 +25,8 @@
 #include <utility>
 #include <vector>
 
+#include <QObject>
+
 namespace sigrok {
        class Logic;
 }
@@ -40,14 +42,18 @@ struct LongPulses;
 namespace pv {
 namespace data {
 
+class Logic;
+
 typedef struct {
        uint64_t sample_index, chunk_num, chunk_offs;
        uint8_t* chunk;
        uint8_t* value;
 } SegmentLogicDataIterator;
 
-class LogicSegment : public Segment
+class LogicSegment : public QObject, public Segment
 {
+       Q_OBJECT
+
 private:
        struct MipMapLevel
        {
@@ -67,7 +73,7 @@ public:
        typedef std::pair<int64_t, bool> EdgePair;
 
 public:
-       LogicSegment(std::shared_ptr<sigrok::Logic> logic, uint64_t samplerate);
+       LogicSegment(pv::data::Logic& owner, std::shared_ptr<sigrok::Logic> data, uint64_t samplerate);
 
        virtual ~LogicSegment();
 
@@ -110,6 +116,8 @@ private:
        static uint64_t pow2_ceil(uint64_t x, unsigned int power);
 
 private:
+       Logic& owner_;
+
        struct MipMapLevel mip_map_[ScaleStepCount];
        uint64_t last_append_sample_;