From 8630fd1703acb2f9a36d6db7e0d18963b461614f Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Mon, 8 Apr 2013 19:51:00 +0200
Subject: [PATCH] add session save signal and hook-up videotimeline

---
 gtk2_ardour/video_timeline.cc | 1 +
 libs/ardour/ardour/session.h  | 1 +
 libs/ardour/session_state.cc  | 2 ++
 3 files changed, 4 insertions(+)

diff --git a/gtk2_ardour/video_timeline.cc b/gtk2_ardour/video_timeline.cc
index 9cd9d35315..e33f171a3c 100644
--- a/gtk2_ardour/video_timeline.cc
+++ b/gtk2_ardour/video_timeline.cc
@@ -171,6 +171,7 @@ VideoTimeLine::set_session (ARDOUR::Session *s)
 	SessionHandlePtr::set_session (s);
 	if (!_session) { return ; }
 
+	_session->SaveSession.connect_same_thread (*this, boost::bind (&VideoTimeLine::save_session, this));
 	LocaleGuard lg (X_("POSIX"));
 
 	XMLNode* node = _session->extra_xml (X_("Videotimeline"));
diff --git a/libs/ardour/ardour/session.h b/libs/ardour/ardour/session.h
index 525faa4e13..a149224607 100644
--- a/libs/ardour/ardour/session.h
+++ b/libs/ardour/ardour/session.h
@@ -397,6 +397,7 @@ class Session : public PBD::StatefulDestructible, public PBD::ScopedConnectionLi
 
 	PBD::Signal1<void,std::string> StateSaved;
 	PBD::Signal0<void> StateReady;
+	PBD::Signal0<void> SaveSession;
 
 	std::vector<std::string*>* possible_states() const;
 	static std::vector<std::string*>* possible_states (std::string path);
diff --git a/libs/ardour/session_state.cc b/libs/ardour/session_state.cc
index a713375755..4ce39340a3 100644
--- a/libs/ardour/session_state.cc
+++ b/libs/ardour/session_state.cc
@@ -827,6 +827,8 @@ Session::save_state (string snapshot_name, bool pending, bool switch_to_snapshot
 
 	if (!pending) {
 
+		SaveSession (); /* EMIT SIGNAL */
+
 		save_history (snapshot_name);
 
 		bool was_dirty = dirty();