lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 Chris Cannam.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #include "PreferencesDialog.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include <QGridLayout>
lbajardsilogic@0: #include <QComboBox>
lbajardsilogic@0: #include <QCheckBox>
lbajardsilogic@0: #include <QGroupBox>
lbajardsilogic@0: #include <QDoubleSpinBox>
lbajardsilogic@0: #include <QLabel>
lbajardsilogic@0: #include <QPushButton>
lbajardsilogic@0: #include <QHBoxLayout>
lbajardsilogic@0: #include <QString>
lbajardsilogic@0: 
lbajardsilogic@0: #include "widgets/WindowTypeSelector.h"
lbajardsilogic@0: #include "base/Preferences.h"
lbajardsilogic@0: 
lbajardsilogic@0: PreferencesDialog::PreferencesDialog(QWidget *parent, Qt::WFlags flags) :
lbajardsilogic@0:     QDialog(parent, flags)
lbajardsilogic@0: {
lbajardsilogic@0:     setWindowTitle(tr("Application Preferences"));
lbajardsilogic@0: 
lbajardsilogic@0:     Preferences *prefs = Preferences::getInstance();
lbajardsilogic@0: 
lbajardsilogic@0:     QGridLayout *grid = new QGridLayout;
lbajardsilogic@0:     setLayout(grid);
lbajardsilogic@0:     
lbajardsilogic@0:     QGroupBox *groupBox = new QGroupBox;
lbajardsilogic@42:     groupBox->setTitle(tr("Sound Access Application Preferences"));
lbajardsilogic@0:     grid->addWidget(groupBox, 0, 0);
lbajardsilogic@0:     
lbajardsilogic@0:     QGridLayout *subgrid = new QGridLayout;
lbajardsilogic@0:     groupBox->setLayout(subgrid);
lbajardsilogic@0: 
lbajardsilogic@0:     // Create this first, as slots that get called from the ctor will
lbajardsilogic@0:     // refer to it
lbajardsilogic@0:     m_applyButton = new QPushButton(tr("Apply"));
lbajardsilogic@0: 
lbajardsilogic@0:     int min, max, deflt, i;
lbajardsilogic@0: 
lbajardsilogic@0:     m_windowType = WindowType(prefs->getPropertyRangeAndValue
lbajardsilogic@0:                               ("Window Type", &min, &max, &deflt));
lbajardsilogic@0:     m_windowTypeSelector = new WindowTypeSelector(m_windowType);
lbajardsilogic@0: 
lbajardsilogic@0:     connect(m_windowTypeSelector, SIGNAL(windowTypeChanged(WindowType)),
lbajardsilogic@0:             this, SLOT(windowTypeChanged(WindowType)));
lbajardsilogic@0: 
lbajardsilogic@0:     QComboBox *smoothing = new QComboBox;
lbajardsilogic@0:     
lbajardsilogic@0:     int sm = prefs->getPropertyRangeAndValue("Spectrogram Smoothing", &min, &max,
lbajardsilogic@0:                                              &deflt);
lbajardsilogic@0:     m_spectrogramSmoothing = sm;
lbajardsilogic@0: 
lbajardsilogic@0:     for (i = min; i <= max; ++i) {
lbajardsilogic@0:         smoothing->addItem(prefs->getPropertyValueLabel("Spectrogram Smoothing", i));
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     smoothing->setCurrentIndex(sm);
lbajardsilogic@0: 
lbajardsilogic@0:     connect(smoothing, SIGNAL(currentIndexChanged(int)),
lbajardsilogic@0:             this, SLOT(spectrogramSmoothingChanged(int)));
lbajardsilogic@0: 
lbajardsilogic@0:     m_tuningFrequency = prefs->getTuningFrequency();
lbajardsilogic@0: 
lbajardsilogic@0:     QDoubleSpinBox *frequency = new QDoubleSpinBox;
lbajardsilogic@0:     frequency->setMinimum(100.0);
lbajardsilogic@0:     frequency->setMaximum(5000.0);
lbajardsilogic@0:     frequency->setSuffix(" Hz");
lbajardsilogic@0:     frequency->setSingleStep(1);
lbajardsilogic@0:     frequency->setValue(m_tuningFrequency);
lbajardsilogic@0:     frequency->setDecimals(2);
lbajardsilogic@0: 
lbajardsilogic@0:     connect(frequency, SIGNAL(valueChanged(double)),
lbajardsilogic@0:             this, SLOT(tuningFrequencyChanged(double)));
lbajardsilogic@0: 
lbajardsilogic@0:     QComboBox *resampleQuality = new QComboBox;
lbajardsilogic@0: 
lbajardsilogic@0:     int rsq = prefs->getPropertyRangeAndValue("Resample Quality", &min, &max,
lbajardsilogic@0:                                               &deflt);
lbajardsilogic@0:     m_resampleQuality = rsq;
lbajardsilogic@0: 
lbajardsilogic@0:     for (i = min; i <= max; ++i) {
lbajardsilogic@0:         resampleQuality->addItem(prefs->getPropertyValueLabel("Resample Quality", i));
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     resampleQuality->setCurrentIndex(rsq);
lbajardsilogic@0: 
lbajardsilogic@0:     connect(resampleQuality, SIGNAL(currentIndexChanged(int)),
lbajardsilogic@0:             this, SLOT(resampleQualityChanged(int)));
lbajardsilogic@0: 
lbajardsilogic@0:     int row = 0;
lbajardsilogic@0: 
lbajardsilogic@0:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
lbajardsilogic@0:                                                 ("Tuning Frequency"))),
lbajardsilogic@0:                        row, 0);
lbajardsilogic@0:     subgrid->addWidget(frequency, row++, 1, 1, 2);
lbajardsilogic@0: 
lbajardsilogic@0:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
lbajardsilogic@0:                                                 ("Resample Quality"))),
lbajardsilogic@0:                        row, 0);
lbajardsilogic@0:     subgrid->addWidget(resampleQuality, row++, 1, 1, 2);
lbajardsilogic@0: 
lbajardsilogic@0:     subgrid->addWidget(new QLabel(prefs->getPropertyLabel
lbajardsilogic@0:                                   ("Spectrogram Smoothing")),
lbajardsilogic@0:                        row, 0);
lbajardsilogic@0:     subgrid->addWidget(smoothing, row++, 1, 1, 2);
lbajardsilogic@0: 
lbajardsilogic@0:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
lbajardsilogic@0:                                                 ("Window Type"))),
lbajardsilogic@0:                        row, 0);
lbajardsilogic@0:     subgrid->addWidget(m_windowTypeSelector, row++, 1, 2, 2);
lbajardsilogic@0:     subgrid->setRowStretch(row, 10);
lbajardsilogic@0:     row++;
lbajardsilogic@0:     
lbajardsilogic@0:     QHBoxLayout *hbox = new QHBoxLayout;
lbajardsilogic@0:     grid->addLayout(hbox, 1, 0);
lbajardsilogic@0:     
lbajardsilogic@0:     QPushButton *ok = new QPushButton(tr("OK"));
lbajardsilogic@0:     QPushButton *cancel = new QPushButton(tr("Cancel"));
lbajardsilogic@0:     hbox->addStretch(10);
lbajardsilogic@0:     hbox->addWidget(ok);
lbajardsilogic@0:     hbox->addWidget(m_applyButton);
lbajardsilogic@0:     hbox->addWidget(cancel);
lbajardsilogic@0:     connect(ok, SIGNAL(clicked()), this, SLOT(okClicked()));
lbajardsilogic@0:     connect(m_applyButton, SIGNAL(clicked()), this, SLOT(applyClicked()));
lbajardsilogic@0:     connect(cancel, SIGNAL(clicked()), this, SLOT(cancelClicked()));
lbajardsilogic@0: 
lbajardsilogic@0:     m_applyButton->setEnabled(false);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: PreferencesDialog::~PreferencesDialog()
lbajardsilogic@0: {
lbajardsilogic@0:     std::cerr << "PreferencesDialog::~PreferencesDialog()" << std::endl;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PreferencesDialog::windowTypeChanged(WindowType type)
lbajardsilogic@0: {
lbajardsilogic@0:     m_windowType = type;
lbajardsilogic@0:     m_applyButton->setEnabled(true);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PreferencesDialog::spectrogramSmoothingChanged(int smoothing)
lbajardsilogic@0: {
lbajardsilogic@0:     m_spectrogramSmoothing = smoothing;
lbajardsilogic@0:     m_applyButton->setEnabled(true);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PreferencesDialog::tuningFrequencyChanged(double freq)
lbajardsilogic@0: {
lbajardsilogic@0:     m_tuningFrequency = freq;
lbajardsilogic@0:     m_applyButton->setEnabled(true);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PreferencesDialog::resampleQualityChanged(int q)
lbajardsilogic@0: {
lbajardsilogic@0:     m_resampleQuality = q;
lbajardsilogic@0:     m_applyButton->setEnabled(true);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PreferencesDialog::okClicked()
lbajardsilogic@0: {
lbajardsilogic@0:     applyClicked();
lbajardsilogic@0:     accept();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PreferencesDialog::applyClicked()
lbajardsilogic@0: {
lbajardsilogic@0:     Preferences *prefs = Preferences::getInstance();
lbajardsilogic@0:     prefs->setWindowType(WindowType(m_windowType));
lbajardsilogic@0:     prefs->setSpectrogramSmoothing(Preferences::SpectrogramSmoothing
lbajardsilogic@0:                                    (m_spectrogramSmoothing));
lbajardsilogic@0:     prefs->setTuningFrequency(m_tuningFrequency);
lbajardsilogic@0:     prefs->setResampleQuality(m_resampleQuality);
lbajardsilogic@0:     m_applyButton->setEnabled(false);
lbajardsilogic@0: }    
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PreferencesDialog::cancelClicked()
lbajardsilogic@0: {
lbajardsilogic@0:     reject();
lbajardsilogic@0: }
lbajardsilogic@0: