1 files changed, 71 insertions, 0 deletions
diff --git a/muse2/muse/widgets/drange.h b/muse2/muse/widgets/drange.h
new file mode 100644
index 00000000..1ee3dd21
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+++ b/muse2/muse/widgets/drange.h
@@ -0,0 +1,71 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    $Id: drange.h,v 1.1.1.1.2.1 2007/01/27 14:52:43 spamatica Exp $
+//
+//    Copyright (C) 1997  Josef Wilgen
+//	This program is free software; you can redistribute it and/or modify
+//	it under the terms of the GNU General Public License, version 2,
+//	as published by	the Free Software Foundation.
+//
+//    (C) Copyright 2000 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __DOUBLE_RANGE_H__
+#define __DOUBLE_RANGE_H__
+
+#include <qglobal.h>
+
+//---------------------------------------------------------
+//   DoubleRange
+//---------------------------------------------------------
+
+class DoubleRange
+      {
+      static const double MinRelStep;
+      static const double DefaultRelStep;
+      static const double MinEps;
+
+      double d_minValue;
+      double d_maxValue;
+      double d_step;
+      int d_pageSize;
+      double d_value;
+      double d_exactValue;
+      double d_exactPrevValue;
+      double d_prevValue;
+      bool d_periodic;
+
+      void setNewValue(double x, bool align = false);
+
+   protected:
+      double exactValue() const { return d_exactValue; }
+      double exactPrevValue() const { return d_exactPrevValue; }
+      double prevValue() const { return d_prevValue; }
+      virtual void valueChange() {}
+      virtual void stepChange()  {}
+      virtual void rangeChange() {}
+
+   public:
+      DoubleRange();
+      virtual ~DoubleRange(){};
+
+      double value() const    { return d_value; }
+      virtual void setValue(double);
+
+      virtual void fitValue(double);
+      virtual void incValue(int);
+      virtual void incPages(int);
+      void setPeriodic(bool tf);
+      void setRange(double vmin, double vmax, double vstep = 0.0,
+         int pagesize = 1);
+      void setStep(double);
+
+      double maxValue() const { return d_maxValue; }
+      double minValue() const { return d_minValue; }
+      bool periodic()  const  { return d_periodic; }
+      int pageSize() const    { return d_pageSize; }
+      double step() const;
+      };
+
+#endif