From 57f4706204b676a4e30f6df046496a5618354347 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 19 May 2016 10:44:57 -0400
Subject: provisional code to support assigning an entire RouteGroup to a VCA
 master

---
 libs/ardour/route_group.cc | 67 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

(limited to 'libs/ardour/route_group.cc')

diff --git a/libs/ardour/route_group.cc b/libs/ardour/route_group.cc
index b5f15412f9..ef1a232896 100644
--- a/libs/ardour/route_group.cc
+++ b/libs/ardour/route_group.cc
@@ -295,6 +295,10 @@ RouteGroup::set_gain (bool yn)
 	_gain = yn;
 	_gain_group->set_active (yn);
 
+	if (routes->empty() || !routes->front()->slaved()) {
+		pre_master_gain = yn;
+	}
+
 	send_change (PropertyChange (Properties::gain));
 }
 
@@ -306,6 +310,11 @@ RouteGroup::set_mute (bool yn)
 	}
 	_mute = yn;
 	_mute_group->set_active (yn);
+
+	if (routes->empty() || !routes->front()->slaved()) {
+		pre_master_mute = yn;
+	}
+
 	send_change (PropertyChange (Properties::mute));
 }
 
@@ -317,6 +326,11 @@ RouteGroup::set_solo (bool yn)
 	}
 	_solo = yn;
 	_solo_group->set_active (yn);
+
+	if (routes->empty() || !routes->front()->slaved()) {
+		pre_master_solo = yn;
+	}
+
 	send_change (PropertyChange (Properties::solo));
 }
 
@@ -544,3 +558,56 @@ RouteGroup::push_to_groups ()
 	_rec_enable_group->set_active (_recenable);
 	_monitoring_group->set_active (_monitoring);
 }
+
+void
+RouteGroup::assign_master (boost::shared_ptr<VCA> master)
+{
+	boost::shared_ptr<Route> front = routes->front ();
+
+	if (!front) {
+		return;
+	}
+
+	if (front->slaved_to (master)) {
+		return;
+	}
+
+	if (!front->slaved()) {
+
+		pre_master_gain = is_gain ();
+		pre_master_solo = is_solo ();
+		pre_master_mute = is_mute ();
+
+		for (RouteList::iterator r = routes->begin(); r != routes->end(); ++r) {
+			(*r)->assign (master);
+		}
+
+		set_gain (false);
+		set_solo (false);
+		set_mute (false);
+	}
+}
+
+void
+RouteGroup::unassign_master (boost::shared_ptr<VCA> master)
+{
+	boost::shared_ptr<Route> front = routes->front ();
+
+	if (!front) {
+		return;
+	}
+
+	if (!front->slaved_to (master)) {
+		return;
+	}
+
+	for (RouteList::iterator r = routes->begin(); r != routes->end(); ++r) {
+		(*r)->unassign (master);
+	}
+
+	if (!front->slaved()) {
+		set_gain (pre_master_gain);
+		set_solo (pre_master_solo);
+		set_mute (pre_master_mute);
+	}
+}
-- 
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