From b8f883e6082cb638a8465de7ec7cfcd2077ab651 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Mon, 14 Sep 2020 15:07:11 -0600
Subject: [PATCH] prevent Session range markers from being hidden

---
 libs/ardour/location.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libs/ardour/location.cc b/libs/ardour/location.cc
index b2f6bf67cd..3f6126938f 100644
--- a/libs/ardour/location.cc
+++ b/libs/ardour/location.cc
@@ -455,6 +455,11 @@ Location::move_to (samplepos_t pos, const uint32_t sub_num)
 void
 Location::set_hidden (bool yn, void*)
 {
+	/* do not allow session range markers to be hidden */
+	if (is_session_range()) {
+		return;
+	}
+
 	if (set_flag_internal (yn, IsHidden)) {
 		flags_changed (this); /* EMIT SIGNAL */
 		FlagsChanged ();