1 files changed, 30 insertions, 0 deletions
diff --git a/sc4pd/headers/app/ChangeCounter.h b/sc4pd/headers/app/ChangeCounter.h
new file mode 100644
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+++ b/sc4pd/headers/app/ChangeCounter.h
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+/*
+	SuperCollider real time audio synthesis system
+    Copyright (c) 2002 James McCartney. All rights reserved.
+	http://www.audiosynth.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+class ChangeCounter
+{
+	int changes, updates;
+public:
+	ChangeCounter() { changes = updates = 0; }
+	bool NeedsUpdate() { return changes != updates; }
+	void Update() { updates = changes; }
+	void Change() { changes++; }
+};
+