comparison base/Preferences.h @ 0:fc9323a41f5a

start base : Sonic Visualiser sv1-1.0rc1

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2006 Chris Cannam and QMUL.
+    
+    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 _PREFERENCES_H_
+#define _PREFERENCES_H_
+
+#include "PropertyContainer.h"
+
+#include "Window.h"
+
+class Preferences : public PropertyContainer
+{
+    Q_OBJECT
+
+public:
+    static Preferences *getInstance();
+
+    virtual PropertyList getProperties() const;
+    virtual QString getPropertyLabel(const PropertyName &) const;
+    virtual PropertyType getPropertyType(const PropertyName &) const;
+    virtual int getPropertyRangeAndValue(const PropertyName &, int *, int *, int *) const;
+    virtual QString getPropertyValueLabel(const PropertyName &, int value) const;
+    virtual QString getPropertyContainerName() const;
+    virtual QString getPropertyContainerIconName() const;
+
+    enum SpectrogramSmoothing {
+        NoSpectrogramSmoothing,
+        SpectrogramInterpolated,
+        SpectrogramZeroPadded,
+        SpectrogramZeroPaddedAndInterpolated
+    };
+
+    SpectrogramSmoothing getSpectrogramSmoothing() const { return m_spectrogramSmoothing; }
+    float getTuningFrequency() const { return m_tuningFrequency; }
+    WindowType getWindowType() const { return m_windowType; }
+    int getResampleQuality() const { return m_resampleQuality; }
+
+    //!!! harmonise with PaneStack
+    enum PropertyBoxLayout {
+        VerticallyStacked,
+        Layered
+    };
+    PropertyBoxLayout getPropertyBoxLayout() const { return m_propertyBoxLayout; }
+
+public slots:
+    virtual void setProperty(const PropertyName &, int);
+
+    void setSpectrogramSmoothing(SpectrogramSmoothing smoothing);
+    void setTuningFrequency(float freq);
+    void setPropertyBoxLayout(PropertyBoxLayout layout);
+    void setWindowType(WindowType type);
+    void setResampleQuality(int quality);
+
+private:
+    Preferences(); // may throw DirectoryCreationFailed
+    virtual ~Preferences();
+
+    static Preferences *m_instance;
+
+    SpectrogramSmoothing m_spectrogramSmoothing;
+    float m_tuningFrequency;
+    PropertyBoxLayout m_propertyBoxLayout;
+    WindowType m_windowType;
+    int m_resampleQuality;
+};
+
+#endif