Implement Trace::ShowLastCompleteSegmentOnly display mode

[pulseview.git] / pv / session.cpp

diff --git a/pv/session.cpp b/pv/session.cpp
index a44c6f9916f3b326a05e932950cee0acfacedf40..605cc05c65fd8ab234f5509d5885f30f276f805d 100644 (file)
--- a/pv/session.cpp
+++ b/pv/session.cpp
@@ -988,6 +988,27 @@ void Session::signal_new_segment()
        }
 }
 
+void Session::signal_segment_completed()
+{
+       int segment_id = 0;
+
+       for (shared_ptr<data::SignalBase> signalbase : signalbases_) {
+               // We only care about analog and logic channels, not derived ones
+               if (signalbase->type() == data::SignalBase::AnalogChannel) {
+                       segment_id = signalbase->analog_data()->get_segment_count() - 1;
+                       break;
+               }
+
+               if (signalbase->type() == data::SignalBase::LogicChannel) {
+                       segment_id = signalbase->logic_data()->get_segment_count() - 1;
+                       break;
+               }
+       }
+
+       if (segment_id >= 0)
+               segment_completed(segment_id);
+}
+
 void Session::feed_in_header()
 {
        // Nothing to do here for now
@@ -1044,14 +1065,28 @@ void Session::feed_in_frame_begin()
 
 void Session::feed_in_frame_end()
 {
+       if (!frame_began_)
+               return;
+
        {
                lock_guard<recursive_mutex> lock(data_mutex_);
+
+               if (cur_logic_segment_)
+                       cur_logic_segment_->set_complete();
+
+               for (auto entry : cur_analog_segments_) {
+                       shared_ptr<data::AnalogSegment> segment = entry.second;
+                       segment->set_complete();
+               }
+
                cur_logic_segment_.reset();
                cur_analog_segments_.clear();
        }
 
        if (frame_began_)
                frame_began_ = false;
+
+       signal_segment_completed();
 }
 
 void Session::feed_in_logic(shared_ptr<Logic> logic)