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diff --git a/attic/muse_qt4_evolution/awl/slider.h b/attic/muse_qt4_evolution/awl/slider.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 __AWLSLIDER_H__
+#define __AWLSLIDER_H__
+
+#include "aslider.h"
+
+namespace Awl {
+
+//---------------------------------------------------------
+//    Slider
+//
+//!   Base class of all slider type input widgets.
+//
+//!   Inherits from AwlKnob
+//!
+//---------------------------------------------------------
+
+class Slider : public AbstractSlider {
+      Q_OBJECT
+
+      Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
+      Q_PROPERTY(QSize sliderSize READ sliderSize WRITE setSliderSize)
+
+      Qt::Orientation orient;
+      QSize _sliderSize;
+
+      QPoint startDrag;
+      bool dragMode;
+      int dragppos;
+
+      virtual void mouseReleaseEvent(QMouseEvent*);
+      virtual void mouseMoveEvent(QMouseEvent*);
+      virtual void paintEvent(QPaintEvent*);
+      void init();
+      void updateKnob();
+
+   protected:
+      QPainterPath* points;
+      virtual void mousePressEvent(QMouseEvent*);
+
+   signals:
+      void sliderPressed(int);
+      void sliderReleased(int);
+
+   public:
+      Slider(QWidget* parent = 0);
+      Slider(Qt::Orientation orientation, QWidget* parent = 0);
+      ~Slider();
+
+      virtual void setOrientation(Qt::Orientation);
+      Qt::Orientation orientation() const    { return orient; }
+
+      QSize sliderSize() const           { return _sliderSize; }
+      void setSliderSize(const QSize& s);
+
+      virtual void setInvertedAppearance(bool val);
+      virtual QSize sizeHint() const;
+      };
+}
+
+#endif
+