From a9d4668dee644c96cc17c88a151d4ed348f7eb02 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Tue, 31 Aug 2021 16:46:19 -0600
Subject: [PATCH] triggerbox: state saving

---
 libs/ardour/ardour/triggerbox.h |  4 +++
 libs/ardour/triggerbox.cc       | 49 ++++++++++++++++++++++++++++++++-
 2 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/libs/ardour/ardour/triggerbox.h b/libs/ardour/ardour/triggerbox.h
index 502c947e6a..a58fdc9835 100644
--- a/libs/ardour/ardour/triggerbox.h
+++ b/libs/ardour/ardour/triggerbox.h
@@ -206,11 +206,15 @@ class LIBARDOUR_API AudioTrigger : public Trigger {
 
 	int set_region (boost::shared_ptr<Region>);
 
+	XMLNode& get_state (void);
+	int set_state (const XMLNode&, int version);
+
   protected:
 	void retrigger ();
 	void set_usable_length ();
 
   private:
+	PBD::ID data_source;
 	std::vector<Sample*> data;
 	samplecnt_t read_index;
 	samplecnt_t data_length;
diff --git a/libs/ardour/triggerbox.cc b/libs/ardour/triggerbox.cc
index 00e456f8ae..a9d7213167 100644
--- a/libs/ardour/triggerbox.cc
+++ b/libs/ardour/triggerbox.cc
@@ -8,6 +8,7 @@
 #include "pbd/basename.h"
 #include "pbd/compose.h"
 #include "pbd/failed_constructor.h"
+#include "pbd/types_convert.h"
 
 #include "temporal/tempo.h"
 
@@ -88,6 +89,19 @@ XMLNode&
 Trigger::get_state (void)
 {
 	XMLNode* node = new XMLNode (X_("Trigger"));
+
+	node->set_property (X_("legato"), _legato);
+	node->set_property (X_("launch-style"), enum_2_string (_launch_style));
+	node->set_property (X_("follow-action-0"), enum_2_string (_follow_action[0]));
+	node->set_property (X_("follow-action-1"), enum_2_string (_follow_action[1]));
+	node->set_property (X_("quantization"), _quantization);
+	node->set_property (X_("name"), _name);
+	node->set_property (X_("index"), _index);
+
+	if (_region) {
+		node->set_property (X_("region"), _region->id());
+	}
+
 	return *node;
 }
 
@@ -322,6 +336,23 @@ AudioTrigger::~AudioTrigger ()
 	}
 }
 
+XMLNode&
+AudioTrigger::get_state (void)
+{
+	XMLNode& node (Trigger::get_state());
+
+	node.set_property (X_("start"), timepos_t (_start_offset));
+	node.set_property (X_("length"), timepos_t (usable_length));
+
+	return node;
+}
+
+int
+AudioTrigger::set_state (const XMLNode&, int version)
+{
+	return 0;
+}
+
 void
 AudioTrigger::set_start (timepos_t const & s)
 {
@@ -1161,7 +1192,23 @@ TriggerBox::set_next_trigger (size_t current)
 XMLNode&
 TriggerBox::get_state (void)
 {
-	return Processor::get_state ();
+	XMLNode& node (Processor::get_state ());
+
+	node.set_property (X_("data-type"), _data_type.to_string());
+
+	XMLNode* trigger_child (new XMLNode (X_("Triggers")));
+
+	{
+		Glib::Threads::RWLock::ReaderLock lm (trigger_lock);
+		for (Triggers::iterator t = all_triggers.begin(); t != all_triggers.end(); ++t) {
+			trigger_child->add_child_nocopy ((*t)->get_state());
+		}
+	}
+
+
+	node.add_child_nocopy (*trigger_child);
+
+	return node;
 }
 
 int