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diff --git a/src/gui/widgets/SpinBox.cpp b/src/gui/widgets/SpinBox.cpp
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+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+ 
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <glaurent@telegraph-road.org>,
+        Chris Cannam        <cannam@all-day-breakfast.com>,
+        Richard Bown        <richard.bown@ferventsoftware.com>
+ 
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+ 
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+ 
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+
+#include "SpinBox.h"
+#include "misc/Strings.h"
+
+#include <qspinbox.h>
+#include <qstring.h>
+#include <qwidget.h>
+
+
+namespace Rosegarden
+{
+
+SpinBox::SpinBox(QWidget *parent, const char *name):
+        QSpinBox(parent, name), m_doubleValue(0)
+{}
+
+QString
+SpinBox::mapValueToText(int value)
+{
+    QString doubleStr;
+
+    // Assume we want to show the precision
+    //
+    if ((int)m_doubleValue != value)
+        m_doubleValue = (double) value;
+
+    doubleStr.sprintf("%4.6f", m_doubleValue);
+
+    // clear any special value
+    //setSpecialValueText("");
+
+    return doubleStr;
+}
+
+int
+SpinBox::mapTextToValue(bool * /*ok*/)
+{
+    double number = qstrtodouble(text());
+
+    if (number) {
+        m_doubleValue = number;
+        return ((int)number);
+    }
+
+    return 120; // default
+}
+
+}
+#include "SpinBox.moc"