Move RouteGroup color into libardour.

This allows to change it from scripts and surfaces and consolidates code.

2 files changed, 30 insertions, 0 deletions

diff --git a/libs/ardour/ardour/route_group.h b/libs/ardour/ardour/route_group.h
index c75202f986..34f70857a2 100644
--- a/libs/ardour/ardour/route_group.h
+++ b/libs/ardour/ardour/route_group.h
@@ -150,6 +150,15 @@ public:
 	bool has_control_master() const;
 	bool slaved () const;
 
+	uint32_t rgba () const { return _rgba; }
+
+	/** set route-group color and notify UI about change */
+	void set_rgba (uint32_t);
+
+	/* directly set color only, used to convert old 5.x gui-object-state
+	 * to libardour color */
+	void migrate_rgba (uint32_t color) { _rgba = color; }
+
 private:
 	boost::shared_ptr<RouteList> routes;
 	boost::shared_ptr<Route> subgroup_bus;
@@ -179,6 +188,8 @@ private:
 
 	void post_set (PBD::PropertyChange const &);
 	void push_to_groups ();
+
+	uint32_t _rgba;
 };
 
 } /* namespace */
diff --git a/libs/ardour/route_group.cc b/libs/ardour/route_group.cc
index 9bbbd90776..c41a890a02 100644
--- a/libs/ardour/route_group.cc
+++ b/libs/ardour/route_group.cc
@@ -109,6 +109,7 @@ RouteGroup::RouteGroup (Session& s, const string &n)
 	, _rec_enable_group (new ControlGroup (RecEnableAutomation))
 	, _gain_group (new GainControlGroup ())
 	, _monitoring_group (new ControlGroup (MonitoringAutomation))
+	, _rgba (0)
 {
 	_xml_node_name = X_("RouteGroup");
 
@@ -234,6 +235,22 @@ RouteGroup::remove (boost::shared_ptr<Route> r)
 	return -1;
 }
 
+void
+RouteGroup::set_rgba (uint32_t color) {
+	_rgba = color;
+
+	PBD::PropertyChange change;
+	change.add (Properties::color);
+	PropertyChanged (change);
+
+	if (!is_color ()) {
+		return;
+	}
+
+	for (RouteList::const_iterator i = routes->begin(); i != routes->end(); ++i) {
+		(*i)->presentation_info().PropertyChanged (Properties::color);
+	}
+}
 
 XMLNode&
 RouteGroup::get_state ()
@@ -241,6 +258,7 @@ RouteGroup::get_state ()
 	XMLNode *node = new XMLNode ("RouteGroup");
 
 	node->set_property ("id", id());
+	node->set_property ("rgba", _rgba);
 
 	add_properties (*node);
 
@@ -266,6 +284,7 @@ RouteGroup::set_state (const XMLNode& node, int version)
 
 	set_id (node);
 	set_values (node);
+	node.get_property ("rgba", _rgba);
 
 	std::string routes;
 	if (node.get_property ("routes", routes)) {