From 6d154c14b459b8d7e3a47f5f5bd7bde6a220eaf6 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Tue, 16 Feb 2021 15:50:27 -0700
Subject: [PATCH] libevoral: add a new method to set the time domain that can
 be used from ::set_state(), when the event list is not (yet) empty

---
 libs/evoral/ControlList.cc       | 12 +++++++++++-
 libs/evoral/evoral/ControlList.h |  2 ++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/libs/evoral/ControlList.cc b/libs/evoral/ControlList.cc
index 4f7603ffc3..5f8b5f7228 100644
--- a/libs/evoral/ControlList.cc
+++ b/libs/evoral/ControlList.cc
@@ -2181,9 +2181,19 @@ ControlList::dump (ostream& o)
 void
 ControlList::set_time_domain (Temporal::TimeDomain td)
 {
-	/* can only do this on an emtpy list */
 	assert (_events.empty());
 	_time_domain = td;
+	/* XXX: TODO: apply to all points */
+}
+
+void
+ControlList::set_time_domain_empty (Temporal::TimeDomain td)
+{
+	/* the event list may or may not be empty, but we act as if it is. This
+	   is used in e.g. ::set_state(), since we do not need to modify the
+	   event time domains there.
+	*/
+	_time_domain = td;
 }
 
 } // namespace Evoral
diff --git a/libs/evoral/evoral/ControlList.h b/libs/evoral/evoral/ControlList.h
index 02e505d5e8..95c3ef72cb 100644
--- a/libs/evoral/evoral/ControlList.h
+++ b/libs/evoral/evoral/ControlList.h
@@ -380,6 +380,8 @@ public:
 
 	virtual void maybe_signal_changed ();
 
+	void set_time_domain_empty (Temporal::TimeDomain td);
+
 	void _x_scale (Temporal::ratio_t const &);
 
 	mutable LookupCache   _lookup_cache;