diff --git a/src/cellitem.cpp b/src/cellitem.cpp
new file mode 100644
--- /dev/null
+++ b/src/cellitem.cpp
@@ -0,0 +1,45 @@
+/*
+ *
+ *  This file is part of the Virtual Leaf.
+ *
+ *  The Virtual Leaf 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The Virtual Leaf 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 the Virtual Leaf.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Copyright 2010 Roeland Merks.
+ *
+ */
+
+#include <string>
+#include<QGraphicsScene>
+#include "cellitem.h"
+
+static const std::string _module_id("$Id$");
+
+CellItem::CellItem( Cell *c, QGraphicsScene *canvas )
+  : QGraphicsPolygonItem( 0, canvas ), SimItemBase( c, canvas){
+}
+
+void CellItem::userMove(double dx, double dy) {
+  QGraphicsPolygonItem::moveBy( dx, dy );
+
+  // also move the cell itself
+  class_cast<Cell *>(obj)->x += (dx/Cell::Magnification());
+  class_cast<Cell *>(obj)->y += (dy/Cell::Magnification());
+  
+  class_cast<Cell*>(obj)->Move( (dx/Cell::Magnification()), (dy/Cell::Magnification()) );
+}
+
+
+QPainterPath CellItem::shape() const { return QGraphicsPolygonItem::shape(); }
+QRectF CellItem::boundingRect() const { return QGraphicsPolygonItem::boundingRect(); }
+