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diff --git a/attic/muse_qt4_evolution/awl/mslider.h b/attic/muse_qt4_evolution/awl/mslider.h
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+//=============================================================================
+//  Awl
+//  Audio Widget Library
+//  $Id:$
+//
+//  Copyright (C) 2002-2006 by Werner Schweer and others
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License version 2.
+//
+//  This program 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 this program; if not, write to the Free Software
+//  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//=============================================================================
+
+#ifndef __AWLMSLIDER_H__
+#define __AWLMSLIDER_H__
+
+#include "volslider.h"
+
+namespace Awl {
+
+//---------------------------------------------------------
+//   MeterSlider
+//	volume slider with meter display
+//---------------------------------------------------------
+
+class MeterSlider : public VolSlider
+      {
+      Q_PROPERTY(int meterWidth READ meterWidth WRITE setMeterWidth)
+      Q_PROPERTY(int channel READ channel WRITE setChannel)
+      Q_OBJECT
+
+      int _channel;
+      std::vector<double> meterval;
+      std::vector<double> meterPeak;
+      int yellowScale, redScale;
+      int _meterWidth;
+      QPixmap onPm, offPm;  // cached pixmap values
+
+      virtual void mousePressEvent(QMouseEvent*);
+      virtual void paintEvent(QPaintEvent*);
+      virtual void resizeEvent(QResizeEvent*);
+
+   signals:
+      void meterClicked();
+
+   public slots:
+      void resetPeaks();
+      void setMeterVal(int channel, double value, double peak);
+
+   public:
+      MeterSlider(QWidget* parent = 0);
+      void setChannel(int n);
+      int channel() const       { return _channel; }
+      int meterWidth() const    { return _meterWidth; }
+      void setMeterWidth(int v) { _meterWidth = v; }
+      virtual QSize sizeHint() const;
+      };
+}
+
+#endif
+