Add bindings for getting/setting session trigger.

bindings/cxx/classes.cpp

@@ -902,6 +902,17 @@ void Session::remove_source(shared_ptr<EventSource> source)
 	source_callbacks.erase(source);
 }
 
+shared_ptr<Trigger> Session::get_trigger()
+{
+	return trigger;
+}
+
+void Session::set_trigger(shared_ptr<Trigger> trigger)
+{
+	check(sr_session_trigger_set(structure, trigger->structure));
+	this->trigger = trigger;
+}
+
 Packet::Packet(const struct sr_datafeed_packet *structure) :
 	structure(structure)
 {

bindings/cxx/include/libsigrok/libsigrok.hpp

@@ -312,6 +312,7 @@ protected:
 		void operator()(Trigger *trigger) { delete trigger; }
 	};
 	friend class Context;
+	friend class Session;
 };
 
 /** Trigger stage */
@@ -443,6 +444,10 @@ public:
 	void begin_save(string filename);
 	/** Append a packet to the session file being saved. */
 	void append(shared_ptr<Device> device, shared_ptr<Packet> packet);
+	/** Get current trigger setting. */
+	shared_ptr<Trigger> get_trigger();
+	/** Set trigger setting. */
+	void set_trigger(shared_ptr<Trigger> trigger);
 protected:
 	Session(shared_ptr<Context> context);
 	Session(shared_ptr<Context> context, string filename);
@@ -456,6 +461,7 @@ protected:
 	bool save_initialized;
 	string save_filename;
 	uint64_t save_samplerate;
+	shared_ptr<Trigger> trigger;
 	/** Deleter needed to allow shared_ptr use with protected destructor. */
 	class Deleter
 	{

bindings/swig/classes.i

@@ -220,6 +220,9 @@ typedef std::map<std::string, std::shared_ptr<sigrok::ChannelGroup> >
     std::vector<std::shared_ptr<sigrok::Device> >,
     devices, get_devices);
 
+%attributestring(sigrok::Session,
+    std::shared_ptr<sigrok::Trigger>, trigger, get_trigger, set_trigger)
+
 %attribute(sigrok::Packet, sigrok::PacketPayload *, payload, get_payload);
 
 %attribute(sigrok::Analog, int, num_samples, get_num_samples);