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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 __AWLASLIDER_H__
+#define __AWLASLIDER_H__
+
+namespace Awl {
+
+//---------------------------------------------------------
+// AbstractSlider
+//
+//! The AwlAbstractSlider class provides an double value
+//! within a range
+//
+//! The class is designed as a common super class for
+//! widgets like AwlKnob and AwlSlider
+//!
+//---------------------------------------------------------
+
+class AbstractSlider : public QWidget {
+
+ Q_OBJECT
+ Q_PROPERTY(double value READ value WRITE setValue)
+ Q_PROPERTY(bool center READ center WRITE setCenter)
+ Q_PROPERTY(bool invertedAppearance READ invertedAppearance WRITE setInvertedAppearance)
+
+ Q_PROPERTY(int scaleWidth READ scaleWidth WRITE setScaleWidth)
+ Q_PROPERTY(QColor scaleColor READ scaleColor WRITE setScaleColor)
+ Q_PROPERTY(QColor scaleValueColor READ scaleValueColor WRITE setScaleValueColor)
+
+ Q_PROPERTY(int id READ id WRITE setId)
+
+ Q_PROPERTY(double minValue READ minValue WRITE setMinValue)
+ Q_PROPERTY(double maxValue READ maxValue WRITE setMaxValue)
+ Q_PROPERTY(double lineStep READ lineStep WRITE setLineStep)
+ Q_PROPERTY(double pageStep READ pageStep WRITE setPageStep)
+ Q_PROPERTY(bool log READ log WRITE setLog)
+ Q_PROPERTY(bool integer READ integer WRITE setInteger)
+
+ protected:
+ int _id;
+ double _value;
+ double _minValue, _maxValue, _lineStep, _pageStep;
+ bool _center;
+ bool _invert;
+ int _scaleWidth; //! scale line width
+ QColor _scaleColor;
+ QColor _scaleValueColor;
+ bool _log;
+ bool _integer;
+
+ virtual void wheelEvent(QWheelEvent*);
+ virtual void keyPressEvent(QKeyEvent*);
+ virtual void valueChange();
+
+ signals:
+ void valueChanged(double, int);
+
+ public slots:
+ virtual void setValue(double v);
+
+ public:
+ AbstractSlider(QWidget* parent = 0);
+
+ virtual void setCenter(bool val);
+ virtual void setScaleWidth(int);
+ virtual void setScaleColor(const QColor&);
+ virtual void setScaleValueColor(const QColor&);
+
+ //! return the center flag
+ bool center() const { return _center; }
+
+ //! return the scale line width
+ int scaleWidth() const { return _scaleWidth; }
+
+ //! return current scale color
+ QColor scaleColor() const { return _scaleColor; }
+
+ //! return color of active scale part
+ QColor scaleValueColor() const { return _scaleValueColor; }
+
+ virtual void setInvertedAppearance(bool val) { _invert = val; }
+ bool invertedAppearance() const { return _invert; }
+
+ int id() const { return _id; }
+ void setId(int i) { _id = i; }
+
+ virtual double value() const;
+
+ double minValue() const { return _minValue; }
+ void setMinValue(double v) { _minValue = v; }
+ void setMinLogValue(double v);
+ double maxValue() const {return _maxValue; }
+ void setMaxValue(double v) { _maxValue = v; }
+ void setMaxLogValue(double v);
+ void setRange(double a, double b) {
+ setMinValue(a);
+ setMaxValue(b);
+ }
+ void setLogRange(double a, double b) {
+ setMinLogValue(a);
+ setMaxLogValue(b);
+ }
+ bool log() const { return _log; }
+ void setLog(bool v) { _log = v; }
+ bool integer() const { return _integer; }
+ void setInteger(bool v) { _integer = v; }
+ double lineStep() const { return _lineStep; }
+ void setLineStep(double v) { _lineStep = v; }
+ double pageStep() const { return _pageStep; }
+ void setPageStep(double f) { _pageStep = f; }
+ void setEnabled(bool val);
+ };
+
+}
+
+#endif
+