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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.
+*/
+
+#ifndef _RG_INTERVALDIALOG_H_
+#define _RG_INTERVALDIALOG_H_
+
+#include <kdialogbase.h>
+#include <vector>
+#include "gui/application/RosegardenDCOP.h"
+#include "gui/widgets/DiatonicPitchChooser.h"
+
+
+class QWidget;
+class KComboBox;
+class QRadioButton;
+class QCheckBox;
+
+
+namespace Rosegarden
+{
+
+class RosegardenGUIDoc;
+
+
+class IntervalDialog : public KDialogBase
+{
+    Q_OBJECT
+public:
+    IntervalDialog(QWidget *parent, bool askChangeKey = false, bool askTransposeSegmentBack = false);
+    
+    // Distance in semitones
+    int getChromaticDistance();
+
+    // Distance in steps
+    int getDiatonicDistance();
+
+    // Transpose within key or change the key?
+    bool getChangeKey();
+    
+    // Transpose the segment itself in the opposite direction?
+    bool getTransposeSegmentBack();
+    
+    static QString getIntervalName(int intervalDiatonic, int intervalChromatic);
+    
+public slots:
+    void slotSetReferenceNote(int,int,int);
+    void slotSetTargetNote(int,int,int);
+    
+private:
+    int getOctaveDistance();
+    int getStepDistanceChromatic();
+    int getAccidentalCorrectionChromatic();
+    
+    DiatonicPitchChooser *m_referencenote;
+    DiatonicPitchChooser *m_targetnote;
+
+    QRadioButton *m_transposeWithinKey;
+    QRadioButton *m_transposeChangingKey;
+    bool changeKey;
+
+	QCheckBox *m_transposeSegmentBack;
+
+    int intervalChromatic;
+    int intervalDiatonic;
+    QLabel *m_intervalLabel;
+
+};
+
+
+}
+
+#endif