Chris@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@0:     Sonic Visualiser
Chris@0:     An audio file viewer and annotation editor.
Chris@0:     Centre for Digital Music, Queen Mary, University of London.
Chris@0:     This file copyright 2006 Chris Cannam.
Chris@0:     
Chris@0:     This program is free software; you can redistribute it and/or
Chris@0:     modify it under the terms of the GNU General Public License as
Chris@0:     published by the Free Software Foundation; either version 2 of the
Chris@0:     License, or (at your option) any later version.  See the file
Chris@0:     COPYING included with this distribution for more information.
Chris@0: */
Chris@0: 
Chris@0: #include "PreferencesDialog.h"
Chris@0: 
Chris@0: #include <QGridLayout>
Chris@0: #include <QComboBox>
Chris@0: #include <QCheckBox>
Chris@0: #include <QGroupBox>
Chris@0: #include <QDoubleSpinBox>
Chris@0: #include <QLabel>
Chris@0: #include <QPushButton>
Chris@0: #include <QHBoxLayout>
Chris@0: #include <QString>
Chris@163: #include <QDialogButtonBox>
Chris@163: #include <QMessageBox>
Chris@0: 
Chris@9: #include "widgets/WindowTypeSelector.h"
Chris@0: #include "base/Preferences.h"
Chris@0: 
Chris@0: PreferencesDialog::PreferencesDialog(QWidget *parent, Qt::WFlags flags) :
Chris@0:     QDialog(parent, flags)
Chris@0: {
Chris@163:     setWindowTitle(tr("Sonic Visualiser: Application Preferences"));
Chris@0: 
Chris@0:     Preferences *prefs = Preferences::getInstance();
Chris@0: 
Chris@0:     QGridLayout *grid = new QGridLayout;
Chris@0:     setLayout(grid);
Chris@0:     
Chris@0:     QGroupBox *groupBox = new QGroupBox;
Chris@163:     groupBox->setTitle(tr("Application Preferences"));
Chris@0:     grid->addWidget(groupBox, 0, 0);
Chris@0:     
Chris@0:     QGridLayout *subgrid = new QGridLayout;
Chris@0:     groupBox->setLayout(subgrid);
Chris@0: 
Chris@0:     // Create this first, as slots that get called from the ctor will
Chris@0:     // refer to it
Chris@0:     m_applyButton = new QPushButton(tr("Apply"));
Chris@0: 
Chris@114:     int min, max, deflt, i;
Chris@0: 
Chris@9:     m_windowType = WindowType(prefs->getPropertyRangeAndValue
Chris@114:                               ("Window Type", &min, &max, &deflt));
Chris@9:     m_windowTypeSelector = new WindowTypeSelector(m_windowType);
Chris@0: 
Chris@9:     connect(m_windowTypeSelector, SIGNAL(windowTypeChanged(WindowType)),
Chris@9:             this, SLOT(windowTypeChanged(WindowType)));
Chris@0: 
Chris@115:     QComboBox *smoothing = new QComboBox;
Chris@115:     
Chris@115:     int sm = prefs->getPropertyRangeAndValue("Spectrogram Smoothing", &min, &max,
Chris@115:                                              &deflt);
Chris@115:     m_spectrogramSmoothing = sm;
Chris@0: 
Chris@115:     for (i = min; i <= max; ++i) {
Chris@115:         smoothing->addItem(prefs->getPropertyValueLabel("Spectrogram Smoothing", i));
Chris@115:     }
Chris@115: 
Chris@115:     smoothing->setCurrentIndex(sm);
Chris@115: 
Chris@115:     connect(smoothing, SIGNAL(currentIndexChanged(int)),
Chris@115:             this, SLOT(spectrogramSmoothingChanged(int)));
Chris@0: 
Chris@0:     QComboBox *propertyLayout = new QComboBox;
Chris@114:     int pl = prefs->getPropertyRangeAndValue("Property Box Layout", &min, &max,
Chris@115:                                          &deflt);
Chris@0:     m_propertyLayout = pl;
Chris@0: 
Chris@0:     for (i = min; i <= max; ++i) {
Chris@0:         propertyLayout->addItem(prefs->getPropertyValueLabel("Property Box Layout", i));
Chris@0:     }
Chris@0: 
Chris@0:     propertyLayout->setCurrentIndex(pl);
Chris@0: 
Chris@0:     connect(propertyLayout, SIGNAL(currentIndexChanged(int)),
Chris@0:             this, SLOT(propertyLayoutChanged(int)));
Chris@0: 
Chris@0:     m_tuningFrequency = prefs->getTuningFrequency();
Chris@0: 
Chris@0:     QDoubleSpinBox *frequency = new QDoubleSpinBox;
Chris@0:     frequency->setMinimum(100.0);
Chris@0:     frequency->setMaximum(5000.0);
Chris@0:     frequency->setSuffix(" Hz");
Chris@0:     frequency->setSingleStep(1);
Chris@0:     frequency->setValue(m_tuningFrequency);
Chris@0:     frequency->setDecimals(2);
Chris@0: 
Chris@0:     connect(frequency, SIGNAL(valueChanged(double)),
Chris@0:             this, SLOT(tuningFrequencyChanged(double)));
Chris@0: 
Chris@32:     QComboBox *resampleQuality = new QComboBox;
Chris@32: 
Chris@114:     int rsq = prefs->getPropertyRangeAndValue("Resample Quality", &min, &max,
Chris@114:                                               &deflt);
Chris@32:     m_resampleQuality = rsq;
Chris@32: 
Chris@32:     for (i = min; i <= max; ++i) {
Chris@32:         resampleQuality->addItem(prefs->getPropertyValueLabel("Resample Quality", i));
Chris@32:     }
Chris@32: 
Chris@32:     resampleQuality->setCurrentIndex(rsq);
Chris@32: 
Chris@32:     connect(resampleQuality, SIGNAL(currentIndexChanged(int)),
Chris@32:             this, SLOT(resampleQualityChanged(int)));
Chris@32: 
Chris@0:     int row = 0;
Chris@0: 
Chris@0:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
Chris@0:                                                 ("Property Box Layout"))),
Chris@0:                        row, 0);
Chris@0:     subgrid->addWidget(propertyLayout, row++, 1, 1, 2);
Chris@0: 
Chris@0:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
Chris@0:                                                 ("Tuning Frequency"))),
Chris@0:                        row, 0);
Chris@0:     subgrid->addWidget(frequency, row++, 1, 1, 2);
Chris@0: 
Chris@32:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
Chris@32:                                                 ("Resample Quality"))),
Chris@32:                        row, 0);
Chris@32:     subgrid->addWidget(resampleQuality, row++, 1, 1, 2);
Chris@32: 
Chris@0:     subgrid->addWidget(new QLabel(prefs->getPropertyLabel
Chris@115:                                   ("Spectrogram Smoothing")),
Chris@115:                        row, 0);
Chris@115:     subgrid->addWidget(smoothing, row++, 1, 1, 2);
Chris@0: 
Chris@0:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
Chris@0:                                                 ("Window Type"))),
Chris@0:                        row, 0);
Chris@9:     subgrid->addWidget(m_windowTypeSelector, row++, 1, 2, 2);
Chris@9:     subgrid->setRowStretch(row, 10);
Chris@9:     row++;
Chris@0:     
Chris@163:     QDialogButtonBox *bb = new QDialogButtonBox(Qt::Horizontal);
Chris@163:     grid->addWidget(bb, 1, 0);
Chris@0:     
Chris@0:     QPushButton *ok = new QPushButton(tr("OK"));
Chris@0:     QPushButton *cancel = new QPushButton(tr("Cancel"));
Chris@163:     bb->addButton(ok, QDialogButtonBox::AcceptRole);
Chris@163:     bb->addButton(m_applyButton, QDialogButtonBox::ApplyRole);
Chris@163:     bb->addButton(cancel, QDialogButtonBox::RejectRole);
Chris@0:     connect(ok, SIGNAL(clicked()), this, SLOT(okClicked()));
Chris@0:     connect(m_applyButton, SIGNAL(clicked()), this, SLOT(applyClicked()));
Chris@0:     connect(cancel, SIGNAL(clicked()), this, SLOT(cancelClicked()));
Chris@0: 
Chris@0:     m_applyButton->setEnabled(false);
Chris@0: }
Chris@0: 
Chris@0: PreferencesDialog::~PreferencesDialog()
Chris@0: {
Chris@0:     std::cerr << "PreferencesDialog::~PreferencesDialog()" << std::endl;
Chris@0: }
Chris@0: 
Chris@0: void
Chris@9: PreferencesDialog::windowTypeChanged(WindowType type)
Chris@0: {
Chris@0:     m_windowType = type;
Chris@0:     m_applyButton->setEnabled(true);
Chris@0: }
Chris@0: 
Chris@0: void
Chris@115: PreferencesDialog::spectrogramSmoothingChanged(int smoothing)
Chris@0: {
Chris@115:     m_spectrogramSmoothing = smoothing;
Chris@0:     m_applyButton->setEnabled(true);
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: PreferencesDialog::propertyLayoutChanged(int layout)
Chris@0: {
Chris@0:     m_propertyLayout = layout;
Chris@0:     m_applyButton->setEnabled(true);
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: PreferencesDialog::tuningFrequencyChanged(double freq)
Chris@0: {
Chris@0:     m_tuningFrequency = freq;
Chris@0:     m_applyButton->setEnabled(true);
Chris@0: }
Chris@0: 
Chris@0: void
Chris@32: PreferencesDialog::resampleQualityChanged(int q)
Chris@32: {
Chris@32:     m_resampleQuality = q;
Chris@32:     m_applyButton->setEnabled(true);
Chris@32: }
Chris@32: 
Chris@32: void
Chris@0: PreferencesDialog::okClicked()
Chris@0: {
Chris@0:     applyClicked();
Chris@0:     accept();
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: PreferencesDialog::applyClicked()
Chris@0: {
Chris@0:     Preferences *prefs = Preferences::getInstance();
Chris@0:     prefs->setWindowType(WindowType(m_windowType));
Chris@115:     prefs->setSpectrogramSmoothing(Preferences::SpectrogramSmoothing
Chris@115:                                    (m_spectrogramSmoothing));
Chris@0:     prefs->setPropertyBoxLayout(Preferences::PropertyBoxLayout
Chris@0:                                 (m_propertyLayout));
Chris@0:     prefs->setTuningFrequency(m_tuningFrequency);
Chris@32:     prefs->setResampleQuality(m_resampleQuality);
Chris@0:     m_applyButton->setEnabled(false);
Chris@0: }    
Chris@0: 
Chris@0: void
Chris@0: PreferencesDialog::cancelClicked()
Chris@0: {
Chris@0:     reject();
Chris@0: }
Chris@0: 
Chris@163: void
Chris@163: PreferencesDialog::applicationClosing(bool quickly)
Chris@163: {
Chris@163:     if (quickly) {
Chris@163:         reject();
Chris@163:         return;
Chris@163:     }
Chris@163: 
Chris@163:     if (m_applyButton->isEnabled()) {
Chris@163:         int rv = QMessageBox::warning
Chris@163:             (this, tr("Preferences Changed"),
Chris@163:              tr("Some preferences have been changed but not applied.\n"
Chris@163:                 "Apply them before closing?"),
Chris@163:              QMessageBox::Apply | QMessageBox::Discard,
Chris@163:              QMessageBox::Discard);
Chris@163:         if (rv == QMessageBox::Apply) {
Chris@163:             applyClicked();
Chris@163:             accept();
Chris@163:         } else {
Chris@163:             reject();
Chris@163:         }
Chris@163:     } else {
Chris@163:         accept();
Chris@163:     }
Chris@163: }
Chris@163: