add ::length() method to Evoral::ControlList

git-svn-id: svn://localhost/ardour2/branches/3.0@12451 d708f5d6-7413-0410-9779-e7cbd77b26cf
2012-05-25 19:59:11 +00:00
parent 8fe10ed4f8
commit 2d017301f9
1 changed files with 4 additions and 0 deletions
--- 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) {