From 4ee02182fe5633a8658dd84f81ccbdff799a8169 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 11 Aug 2021 22:54:13 -0600
Subject: [PATCH] triggerbox: 2 possible follow actions

---
 libs/ardour/ardour/triggerbox.h |  6 +++---
 libs/ardour/triggerbox.cc       | 20 +++++++++++++-------
 2 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/libs/ardour/ardour/triggerbox.h b/libs/ardour/ardour/triggerbox.h
index d40acd2064..9fae2b22bb 100644
--- a/libs/ardour/ardour/triggerbox.h
+++ b/libs/ardour/ardour/triggerbox.h
@@ -103,8 +103,8 @@ class LIBARDOUR_API Trigger : public PBD::Stateful {
 		OtherTrigger,
 	};
 
-	FollowAction follow_action() const { return _follow_action; }
-	void set_follow_action (FollowAction);
+	FollowAction follow_action (size_t n) const { assert (n < 2); return _follow_action[n]; }
+	void set_follow_action (FollowAction, size_t n);
 
 	virtual int set_region (boost::shared_ptr<Region>) = 0;
 	boost::shared_ptr<Region> region() const { return _region; }
@@ -154,7 +154,7 @@ class LIBARDOUR_API Trigger : public PBD::Stateful {
 	size_t _index;
 	int    _next_trigger;
 	LaunchStyle  _launch_style;
-	FollowAction _follow_action;
+	FollowAction _follow_action[2];
 	boost::shared_ptr<Region> _region;
 	Temporal::BBT_Offset _quantization;
 
diff --git a/libs/ardour/triggerbox.cc b/libs/ardour/triggerbox.cc
index 56e07eb7b9..952227e172 100644
--- a/libs/ardour/triggerbox.cc
+++ b/libs/ardour/triggerbox.cc
@@ -42,7 +42,7 @@ Trigger::Trigger (size_t n, TriggerBox& b)
 	, _index (n)
 	, _next_trigger (-1)
 	, _launch_style (Toggle)
-	, _follow_action (NextTrigger)
+	, _follow_action { { NextTrigger }, { Stop } }
 	, _quantization (Temporal::BBT_Offset (0, 1, 0))
 {
 }
@@ -60,9 +60,10 @@ Trigger::unbang ()
 }
 
 void
-Trigger::set_follow_action (FollowAction f)
+Trigger::set_follow_action (FollowAction f, size_t n)
 {
-	_follow_action = f;
+	assert (n < 2);
+	_follow_action[n] = f;
 }
 
 void
@@ -558,7 +559,7 @@ AudioTrigger::run (BufferSet& bufs, pframes_t nframes, pframes_t dest_offset, bo
 
 			/* We reached the end */
 
-			if (_follow_action == Again) {
+			if (_follow_action[0] == Again) {
 				nframes -= this_read;
 				dest_offset += this_read;
 				DEBUG_TRACE (DEBUG::Triggers, string_compose ("%1 was reached end, but set to loop, so retrigger\n", index()));
@@ -916,7 +917,7 @@ TriggerBox::run (BufferSet& bufs, samplepos_t start_sample, samplepos_t end_samp
 
 		if (trigger.state() == Trigger::Stopped) {
 
-			if (trigger.follow_action() != Trigger::Stop) {
+			if (trigger.follow_action(0) != Trigger::Stop) {
 
 				int nxt = trigger.next_trigger();
 
@@ -949,7 +950,7 @@ TriggerBox::set_next_trigger (size_t current)
 		}
 	}
 
-	switch (all_triggers[current]->follow_action()) {
+	switch (all_triggers[current]->follow_action(0)) {
 	case Trigger::Stop:
 		return;
 	case Trigger::QueuedTrigger:
@@ -962,7 +963,12 @@ TriggerBox::set_next_trigger (size_t current)
 		}
 	}
 
-	switch (all_triggers[current]->follow_action()) {
+	switch (all_triggers[current]->follow_action(0)) {
+
+	case Trigger::Again:
+		all_triggers[current]->set_next_trigger (current);
+		return;
+
 	case Trigger::NextTrigger:
 		n = current;
 		while (true) {