From 9a8464ff402511f9db6db02b79243cab3169bb3e Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Fri, 1 Mar 2019 18:56:56 +0100
Subject: [PATCH] Add a signal to indicate VCA creation

As opposed to VCAAdded this is not emitted when re-loading a session
and only emitted when a user creates a new VCA.
---
 libs/ardour/ardour/vca_manager.h | 1 +
 libs/ardour/vca_manager.cc       | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/libs/ardour/ardour/vca_manager.h b/libs/ardour/ardour/vca_manager.h
index 58d07a7fe2..aba9655ca0 100644
--- a/libs/ardour/ardour/vca_manager.h
+++ b/libs/ardour/ardour/vca_manager.h
@@ -54,6 +54,7 @@ public:
 	VCAList::size_type n_vcas() const { return _vcas.size(); }
 
 	PBD::Signal1<void,VCAList&> VCAAdded;
+	PBD::Signal0<void> VCACreated; /*<< is not emitted during set_state */
 
 	XMLNode& get_state();
 	int set_state (XMLNode const&, int version);
diff --git a/libs/ardour/vca_manager.cc b/libs/ardour/vca_manager.cc
index 90a1233087..15a9cc8983 100644
--- a/libs/ardour/vca_manager.cc
+++ b/libs/ardour/vca_manager.cc
@@ -111,6 +111,10 @@ VCAManager::create_vca (uint32_t howmany, std::string const & name_template)
 
 	VCAAdded (vcal); /* EMIT SIGNAL */
 
+	if (!vcal.empty ()) {
+		VCACreated (); /* EMIT SIGNAL */
+	}
+
 	_session.set_dirty ();
 
 	return vcal;