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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_WHEELYBUTTON_H_
+#define _RG_WHEELYBUTTON_H_
+
+#include <qpushbutton.h>
+
+
+class QWidget;
+class QWheelEvent;
+
+
+namespace Rosegarden
+{
+
+
+
+class WheelyButton : public QPushButton
+{
+    Q_OBJECT
+
+public:
+    WheelyButton(QWidget *w) : QPushButton(w) { }
+    virtual ~WheelyButton() { }
+
+signals:
+    void wheel(bool up);
+
+protected:
+    void wheelEvent(QWheelEvent *e) {
+        emit wheel(e->delta() > 0);
+    }
+};
+
+
+
+// A specialised menu for selecting audio inputs or outputs, that
+// queries the studio and instrument to find out what it should show.
+// Available in a "compact" size, which is a push button with a popup
+// menu attached, or a regular size which is a combobox.
+//
+
+}
+
+#endif