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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_AUDIOFADERBOX_H_
+#define _RG_AUDIOFADERBOX_H_
+
+#include <qframe.h>
+#include <qpixmap.h>
+#include <qstring.h>
+#include <vector>
+
+
+class QWidget;
+class QSignalMapper;
+class QPushButton;
+class QObject;
+class QLabel;
+
+
+namespace Rosegarden
+{
+
+class Studio;
+class Rotary;
+class Instrument;
+class Fader;
+class AudioVUMeter;
+class AudioRouteMenu;
+
+
+class AudioFaderBox : public QFrame
+{
+    Q_OBJECT
+
+public:
+    AudioFaderBox(QWidget *parent,
+                  QString id = "",
+                  bool haveInOut = true,
+                  const char *name = 0);
+
+    void setAudioChannels(int);
+
+    void setIsSynth(bool);
+
+    bool owns(const QObject *object);
+
+    QPushButton               *m_synthButton;
+    std::vector<QPushButton*>  m_plugins;
+
+    AudioVUMeter              *m_vuMeter;
+
+    Fader           *m_fader;
+    Fader           *m_recordFader;
+    Rotary          *m_pan;
+
+    QPixmap                    m_monoPixmap;
+    QPixmap                    m_stereoPixmap;
+
+    QSignalMapper             *m_signalMapper;
+
+    QLabel                    *m_inputLabel;
+    QLabel                    *m_outputLabel;
+
+    AudioRouteMenu            *m_audioInput; 
+    AudioRouteMenu            *m_audioOutput; 
+
+    QPushButton               *m_synthGUIButton;
+
+    QString                    m_id;
+
+    bool                       isStereo() const { return m_isStereo; }
+
+signals:
+    void audioChannelsChanged(int);
+
+public slots:
+    void slotSetInstrument(Studio *studio,
+                           Instrument *instrument);
+
+protected slots:
+    void slotChannelStateChanged();
+
+protected:
+    QPushButton               *m_stereoButton;
+    bool                       m_isStereo;
+};
+
+
+
+}
+
+#endif