From f9f32cb5becef2d8b645e6de8654deaefcd7fa97 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 14 Sep 2017 23:07:07 -0400
Subject: [PATCH] added TempoMap::Changed signal

---
 nutemp/t.cc | 5 +++++
 nutemp/t.h  | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/nutemp/t.cc b/nutemp/t.cc
index c8336ccde8..b39fb4f3da 100644
--- a/nutemp/t.cc
+++ b/nutemp/t.cc
@@ -498,6 +498,7 @@ TempoMap::rebuild (superclock_t limit)
 	 */
 
 	bool hit_dirty = false;
+	superclock_t first_dirty = 0;
 
 	for (tmp = _points.begin(); tmp != _points.end(); ) {
 
@@ -507,6 +508,7 @@ TempoMap::rebuild (superclock_t limit)
 				continue;
 			}
 			hit_dirty = true;
+			first_dirty = tmp->sclock();
 		}
 
 		TempoMapPoints::iterator next = tmp;
@@ -567,6 +569,9 @@ TempoMap::rebuild (superclock_t limit)
 		prev = tmp;
 		tmp = next;
 	}
+
+	Changed (first_dirty, _points.back().sclock()); /* EMIT SIGNAL */
+	cerr << "Rebuilt " << first_dirty << " .. " << _points.back().sclock() << endl;
 }
 
 bool
diff --git a/nutemp/t.h b/nutemp/t.h
index be54c136ba..b734dcead8 100644
--- a/nutemp/t.h
+++ b/nutemp/t.h
@@ -9,6 +9,8 @@
 
 #include <glibmm/threads.h>
 
+#include "pbd/signals.h"
+
 #include "evoral/Beats.hpp"
 
 #include "ardour/ardour.h"
@@ -361,6 +363,8 @@ class LIBARDOUR_API TempoMap
 	void dump (std::ostream&);
 	void rebuild (superclock_t limit);
 
+	PBD::Signal2<void,superclock_t,superclock_t> Changed;
+
    private:
 	TempoMapPoints _points;
 	framecnt_t     _sample_rate;
-- 
2.30.2