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@136:     m_tuningFrequency(440)
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@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@136:         return tr("Spectrogram Display Smoothing");
Chris@136:     }
Chris@136:     if (name == "Tuning Frequency") {
Chris@136:         return tr("Tuning Frequency (concert A)");
Chris@136:     }
Chris@138:     if (name == "Property Box Layout") {
Chris@138:         return tr("Arrangement of Layer Properties");
Chris@138:     }
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@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@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@138:         if (value == 0) return tr("Vertically Stacked");
Chris@138:         else return tr("Layered");
Chris@138:     }
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@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@136: //!!!    emit 
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@138:         //!!! emit
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@138:         //!!! emit
Chris@138:     }
Chris@138: }
Chris@138: