Chris@136: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@136: 
Chris@136: /*
Chris@136:     Sonic Visualiser
Chris@136:     An audio file viewer and annotation editor.
Chris@136:     Centre for Digital Music, Queen Mary, University of London.
Chris@136:     This file copyright 2006 Chris Cannam.
Chris@136:     
Chris@136:     This program is free software; you can redistribute it and/or
Chris@136:     modify it under the terms of the GNU General Public License as
Chris@136:     published by the Free Software Foundation; either version 2 of the
Chris@136:     License, or (at your option) any later version.  See the file
Chris@136:     COPYING included with this distribution for more information.
Chris@136: */
Chris@136: 
Chris@136: #include "Preferences.h"
Chris@136: 
Chris@136: Preferences *
Chris@136: Preferences::m_instance = new Preferences();
Chris@136: 
Chris@136: Preferences::Preferences() :
Chris@137:     m_smoothSpectrogram(true),
Chris@140:     m_tuningFrequency(440),
Chris@140:     m_propertyBoxLayout(VerticallyStacked),
Chris@140:     m_windowType(HanningWindow)
Chris@136: {
Chris@136: }
Chris@136: 
Chris@136: Preferences::PropertyList
Chris@136: Preferences::getProperties() const
Chris@136: {
Chris@136:     PropertyList props;
Chris@136:     props.push_back("Smooth Spectrogram");
Chris@136:     props.push_back("Tuning Frequency");
Chris@138:     props.push_back("Property Box Layout");
Chris@140:     props.push_back("Window Type");
Chris@136:     return props;
Chris@136: }
Chris@136: 
Chris@136: QString
Chris@136: Preferences::getPropertyLabel(const PropertyName &name) const
Chris@136: {
Chris@136:     if (name == "Smooth Spectrogram") {
Chris@141:         return tr("Smooth spectrogram display by zero padding FFT");
Chris@136:     }
Chris@136:     if (name == "Tuning Frequency") {
Chris@141:         return tr("Frequency of concert A");
Chris@136:     }
Chris@138:     if (name == "Property Box Layout") {
Chris@141:         return tr("Property box layout");
Chris@138:     }
Chris@140:     if (name == "Window Type") {
Chris@141:         return tr("Spectral analysis window shape");
Chris@140:     }
Chris@136:     return name;
Chris@136: }
Chris@136: 
Chris@136: Preferences::PropertyType
Chris@136: Preferences::getPropertyType(const PropertyName &name) const
Chris@136: {
Chris@136:     if (name == "Smooth Spectrogram") {
Chris@136:         return ToggleProperty;
Chris@136:     }
Chris@136:     if (name == "Tuning Frequency") {
Chris@136:         return RangeProperty;
Chris@136:     }
Chris@138:     if (name == "Property Box Layout") {
Chris@138:         return ValueProperty;
Chris@138:     }
Chris@140:     if (name == "Window Type") {
Chris@140:         return ValueProperty;
Chris@140:     }
Chris@136:     return InvalidProperty;
Chris@136: }
Chris@136: 
Chris@136: int
Chris@136: Preferences::getPropertyRangeAndValue(const PropertyName &name,
Chris@136:                                       int *min, int *max) const
Chris@136: {
Chris@136:     if (name == "Smooth Spectrogram") {
Chris@136:         if (min) *min = 0;
Chris@136:         if (max) *max = 1;
Chris@136:         return m_smoothSpectrogram ? 1 : 0;
Chris@136:     }
Chris@136: 
Chris@136:     //!!! freq mapping
Chris@136: 
Chris@138:     if (name == "Property Box Layout") {
Chris@138:         if (min) *min = 0;
Chris@138:         if (max) *max = 1;
Chris@138:         return m_propertyBoxLayout == Layered ? 1 : 0;
Chris@138:     }        
Chris@138: 
Chris@140:     if (name == "Window Type") {
Chris@140:         if (min) *min = int(RectangularWindow);
Chris@140:         if (max) *max = int(ParzenWindow);
Chris@140:         return int(m_windowType);
Chris@140:     }
Chris@140: 
Chris@136:     return 0;
Chris@136: }
Chris@136: 
Chris@136: QString
Chris@136: Preferences::getPropertyValueLabel(const PropertyName &name,
Chris@136:                                    int value) const
Chris@136: {
Chris@138:     if (name == "Property Box Layout") {
Chris@141:         if (value == 0) return tr("Show boxes for all panes");
Chris@141:         else return tr("Show box for current pane only");
Chris@138:     }
Chris@140:     if (name == "Window Type") {
Chris@140:         switch (WindowType(value)) {
Chris@140:         case RectangularWindow: return tr("Rectangular");
Chris@141:         case BartlettWindow: return tr("Triangular");
Chris@140:         case HammingWindow: return tr("Hamming");
Chris@140:         case HanningWindow: return tr("Hanning");
Chris@140:         case BlackmanWindow: return tr("Blackman");
Chris@140:         case GaussianWindow: return tr("Gaussian");
Chris@140:         case ParzenWindow: return tr("Parzen");
Chris@140:         }
Chris@140:     }
Chris@136:     return "";
Chris@136: }
Chris@136: 
Chris@136: QString
Chris@136: Preferences::getPropertyContainerName() const
Chris@136: {
Chris@136:     return tr("Preferences");
Chris@136: }
Chris@136: 
Chris@136: QString
Chris@136: Preferences::getPropertyContainerIconName() const
Chris@136: {
Chris@136:     return "preferences";
Chris@136: }
Chris@136: 
Chris@136: void
Chris@136: Preferences::setProperty(const PropertyName &name, int value) 
Chris@136: {
Chris@136:     if (name == "Smooth Spectrogram") {
Chris@136:         setSmoothSpectrogram(value > 0.1);
Chris@136:     } else if (name == "Tuning Frequency") {
Chris@136:         //!!!
Chris@138:     } else if (name == "Property Box Layout") {
Chris@138:         setPropertyBoxLayout(value == 0 ? VerticallyStacked : Layered);
Chris@140:     } else if (name == "Window Type") {
Chris@140:         setWindowType(WindowType(value));
Chris@136:     }
Chris@136: }
Chris@136: 
Chris@136: void
Chris@136: Preferences::setSmoothSpectrogram(bool smooth)
Chris@136: {
Chris@138:     if (m_smoothSpectrogram != smooth) {
Chris@138:         m_smoothSpectrogram = smooth;
Chris@141:         emit propertyChanged("Smooth Spectrogram");
Chris@138:     }
Chris@136: }
Chris@136: 
Chris@136: void
Chris@136: Preferences::setTuningFrequency(float freq)
Chris@136: {
Chris@138:     if (m_tuningFrequency != freq) {
Chris@138:         m_tuningFrequency = freq;
Chris@141:         emit propertyChanged("Tuning Frequency");
Chris@138:     }
Chris@136: }
Chris@136: 
Chris@138: void
Chris@138: Preferences::setPropertyBoxLayout(PropertyBoxLayout layout)
Chris@138: {
Chris@138:     if (m_propertyBoxLayout != layout) {
Chris@138:         m_propertyBoxLayout = layout;
Chris@141:         emit propertyChanged("Property Box Layout");
Chris@138:     }
Chris@138: }
Chris@138: 
Chris@140: void
Chris@140: Preferences::setWindowType(WindowType type)
Chris@140: {
Chris@140:     if (m_windowType != type) {
Chris@140:         m_windowType = type;
Chris@141:         emit propertyChanged("Window Type");
Chris@140:     }
Chris@140: }
Chris@140: