From b9d8f75119fc9a9f7cf4c79a91c9fa350500dd07 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Sun, 23 Sep 2018 12:54:34 -0400
Subject: [PATCH] emit property change for "collect" on a TransportMaster

---
 libs/ardour/transport_master.cc | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/libs/ardour/transport_master.cc b/libs/ardour/transport_master.cc
index 1bd1649500..4dec88272a 100644
--- a/libs/ardour/transport_master.cc
+++ b/libs/ardour/transport_master.cc
@@ -170,7 +170,16 @@ TransportMaster::check_collect()
 void
 TransportMaster::set_collect (bool yn)
 {
-	_pending_collect = yn;
+	/* theoretical race condition */
+
+	if (_connected) {
+		_pending_collect = yn;
+	} else {
+		if (_collect != yn) {
+			_pending_collect = _collect = yn;
+			PropertyChanged (Properties::collect);
+		}
+	}
 }
 
 void