From 2d017301f99a42dcbff4239b8767c0e14331ff77 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 25 May 2012 19:59:11 +0000
Subject: [PATCH] add ::length() method to Evoral::ControlList

git-svn-id: svn://localhost/ardour2/branches/3.0@12451 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/evoral/evoral/ControlList.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/evoral/evoral/ControlList.hpp b/libs/evoral/evoral/ControlList.hpp
index f7eba87ba6..40e2e54625 100644
--- a/libs/evoral/evoral/ControlList.hpp
+++ b/libs/evoral/evoral/ControlList.hpp
@@ -106,6 +106,10 @@ public:
 	void             set_parameter(const Parameter& p) { _parameter = p; }
 
 	EventList::size_type size() const { return _events.size(); }
+        double length() const { 		
+		Glib::Mutex::Lock lm (_lock);
+		return _events.empty() ? 0.0 : _events.back()->when;
+	}
 	bool empty() const { return _events.empty(); }
 
 	void reset_default (double val) {