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diff --git a/src/diagram/linelayouter.h b/src/diagram/linelayouter.h
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+++ b/src/diagram/linelayouter.h
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+// Copyright (C) 2009  Lukas Lalinsky
+//
+// 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.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+#ifndef DIAGRAM_LINELAYOUTER_H
+#define	DIAGRAM_LINELAYOUTER_H
+
+#include <QObject>
+#include <QTimer>
+
+class Line;
+
+namespace Diagram {
+
+class LineLayouter : public QObject
+{
+	Q_OBJECT
+
+public:
+	LineLayouter();
+	~LineLayouter();
+
+	void updateLine(Line *line);
+	void addLine(Line *line);
+
+protected slots:
+	void doUpdate();
+
+private:
+	QTimer *m_updateTimer;
+};
+
+}
+
+#endif