From ae38128f88270df6ad24a0aa167adfc248276509 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Thu, 30 Apr 2015 17:58:33 +0200
Subject: session: add signal to indicate batch updates
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…to tell the UI to not redraw.
---
 libs/ardour/session_process.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

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

diff --git a/libs/ardour/session_process.cc b/libs/ardour/session_process.cc
index 6366abde71..404f06128f 100644
--- a/libs/ardour/session_process.cc
+++ b/libs/ardour/session_process.cc
@@ -1254,12 +1254,15 @@ Session::compute_stop_limit () const
  */
 
 void
-Session::emit_route_signals () const
+Session::emit_route_signals ()
 {
+	// TODO use RAII to allow using these signals in other places
+	BatchUpdateStart(); /* EMIT SIGNAL */
 	boost::shared_ptr<RouteList> r = routes.reader ();
 	for (RouteList::const_iterator ci = r->begin(); ci != r->end(); ++ci) {
 		(*ci)->emit_pending_signals ();
 	}
+	BatchUpdateEnd(); /* EMIT SIGNAL */
 }
 
 void
-- 
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