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@180: #include <QTabWidget>
Chris@180: #include <QLineEdit>
Chris@180: #include <QFileDialog>
Chris@180: #include <QMessageBox>
Chris@225: #include <QSpinBox>
Chris@0: 
Chris@9: #include "widgets/WindowTypeSelector.h"
Chris@180: #include "widgets/IconLoader.h"
Chris@0: #include "base/Preferences.h"
Chris@0: 
Chris@0: PreferencesDialog::PreferencesDialog(QWidget *parent, Qt::WFlags flags) :
Chris@180:     QDialog(parent, flags),
Chris@180:     m_changesOnRestart(false)
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@180: 
Chris@180:     QTabWidget *tab = new QTabWidget;
Chris@180:     grid->addWidget(tab, 0, 0);
Chris@0:     
Chris@180:     tab->setTabPosition(QTabWidget::North);
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@180:     // Create all the preference widgets first, then create the
Chris@180:     // individual tab widgets and place the preferences in their
Chris@180:     // appropriate places in one go afterwards
Chris@180: 
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@180:     QCheckBox *resampleOnLoad = new QCheckBox;
Chris@180:     m_resampleOnLoad = prefs->getResampleOnLoad();
Chris@180:     resampleOnLoad->setCheckState(m_resampleOnLoad ? Qt::Checked :
Chris@180:                                   Qt::Unchecked);
Chris@180:     connect(resampleOnLoad, SIGNAL(stateChanged(int)),
Chris@180:             this, SLOT(resampleOnLoadChanged(int)));
Chris@180: 
Chris@180:     m_tempDirRootEdit = new QLineEdit;
Chris@180:     QString dir = prefs->getTemporaryDirectoryRoot();
Chris@180:     m_tempDirRoot = dir;
Chris@180:     dir.replace("$HOME", tr("<home directory>"));
Chris@180:     m_tempDirRootEdit->setText(dir);
Chris@180:     m_tempDirRootEdit->setReadOnly(true);
Chris@180:     QPushButton *tempDirButton = new QPushButton;
Chris@180:     tempDirButton->setIcon(IconLoader().load("fileopen"));
Chris@180:     connect(tempDirButton, SIGNAL(clicked()),
Chris@180:             this, SLOT(tempDirButtonClicked()));
Chris@180:     tempDirButton->setFixedSize(QSize(24, 24));
Chris@180: 
Chris@180:     QComboBox *bgMode = new QComboBox;
Chris@180:     int bg = prefs->getPropertyRangeAndValue("Background Mode", &min, &max,
Chris@180:                                              &deflt);
Chris@180:     m_backgroundMode = bg;
Chris@180:     for (i = min; i <= max; ++i) {
Chris@180:         bgMode->addItem(prefs->getPropertyValueLabel("Background Mode", i));
Chris@180:     }
Chris@180:     bgMode->setCurrentIndex(bg);
Chris@180: 
Chris@180:     connect(bgMode, SIGNAL(currentIndexChanged(int)),
Chris@180:             this, SLOT(backgroundModeChanged(int)));
Chris@180: 
Chris@225:     QSpinBox *fontSize = new QSpinBox;
Chris@225:     int fs = prefs->getPropertyRangeAndValue("View Font Size", &min, &max,
Chris@225:                                              &deflt);
Chris@225:     fontSize->setMinimum(min);
Chris@225:     fontSize->setMaximum(max);
Chris@225:     fontSize->setSuffix(" pt");
Chris@225:     fontSize->setSingleStep(1);
Chris@225:     fontSize->setValue(fs);
Chris@225: 
Chris@225:     connect(fontSize, SIGNAL(valueChanged(int)),
Chris@225:             this, SLOT(viewFontSizeChanged(int)));
Chris@225: 
Chris@180:     // General tab
Chris@180: 
Chris@180:     QFrame *frame = new QFrame;
Chris@180:     
Chris@180:     QGridLayout *subgrid = new QGridLayout;
Chris@180:     frame->setLayout(subgrid);
Chris@180: 
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@180:                                                 ("Background Mode"))),
Chris@0:                        row, 0);
Chris@180:     subgrid->addWidget(bgMode, row++, 1, 1, 2);
Chris@180: 
Chris@180:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
Chris@225:                                                 ("View Font Size"))),
Chris@225:                        row, 0);
Chris@225:     subgrid->addWidget(fontSize, row++, 1, 1, 2);
Chris@225: 
Chris@225:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
Chris@180:                                                 ("Resample On Load"))),
Chris@180:                        row, 0);
Chris@180:     subgrid->addWidget(resampleOnLoad, row++, 1, 1, 1);
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@180:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
Chris@180:                                                 ("Temporary Directory Root"))),
Chris@180:                        row, 0);
Chris@180:     subgrid->addWidget(m_tempDirRootEdit, row, 1, 1, 1);
Chris@180:     subgrid->addWidget(tempDirButton, row, 2, 1, 1);
Chris@180:     row++;
Chris@180: 
Chris@180:     subgrid->setRowStretch(row, 10);
Chris@180:     
Chris@180:     tab->addTab(frame, tr("&General"));
Chris@180: 
Chris@180:     // Analysis tab
Chris@180: 
Chris@180:     frame = new QFrame;
Chris@180:     subgrid = new QGridLayout;
Chris@180:     frame->setLayout(subgrid);
Chris@180:     row = 0;
Chris@180: 
Chris@180:     subgrid->addWidget(new QLabel(tr("%1:").arg(prefs->getPropertyLabel
Chris@180:                                                 ("Tuning Frequency"))),
Chris@180:                        row, 0);
Chris@180:     subgrid->addWidget(frequency, row++, 1, 1, 2);
Chris@180: 
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@180:     subgrid->setRowStretch(row, 10);
Chris@180:     
Chris@180:     tab->addTab(frame, tr("&Analysis"));
Chris@180: 
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@180: PreferencesDialog::resampleOnLoadChanged(int state)
Chris@180: {
Chris@180:     m_resampleOnLoad = (state == Qt::Checked);
Chris@180:     m_applyButton->setEnabled(true);
Chris@180:     m_changesOnRestart = true;
Chris@180: }
Chris@180: 
Chris@180: void
Chris@180: PreferencesDialog::tempDirRootChanged(QString r)
Chris@180: {
Chris@180:     m_tempDirRoot = r;
Chris@180:     m_applyButton->setEnabled(true);
Chris@180: }
Chris@180: 
Chris@180: void
Chris@180: PreferencesDialog::tempDirButtonClicked()
Chris@180: {
Chris@180:     QString dir = QFileDialog::getExistingDirectory
Chris@180:         (this, tr("Select a directory to create cache subdirectory in"),
Chris@180:          m_tempDirRoot);
Chris@180:     if (dir == "") return;
Chris@180:     m_tempDirRootEdit->setText(dir);
Chris@180:     tempDirRootChanged(dir);
Chris@180:     m_changesOnRestart = true;
Chris@180: }
Chris@180: 
Chris@180: void
Chris@180: PreferencesDialog::backgroundModeChanged(int mode)
Chris@180: {
Chris@180:     m_backgroundMode = mode;
Chris@180:     m_applyButton->setEnabled(true);
Chris@180:     m_changesOnRestart = true;
Chris@180: }
Chris@180: 
Chris@180: void
Chris@225: PreferencesDialog::viewFontSizeChanged(int sz)
Chris@225: {
Chris@225:     m_viewFontSize = sz;
Chris@225:     m_applyButton->setEnabled(true);
Chris@225: }
Chris@225: 
Chris@225: 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@180:     prefs->setResampleOnLoad(m_resampleOnLoad);
Chris@180:     prefs->setTemporaryDirectoryRoot(m_tempDirRoot);
Chris@180:     prefs->setBackgroundMode(Preferences::BackgroundMode(m_backgroundMode));
Chris@225:     prefs->setViewFontSize(m_viewFontSize);
Chris@180: 
Chris@0:     m_applyButton->setEnabled(false);
Chris@180: 
Chris@180:     if (m_changesOnRestart) {
Chris@180:         QMessageBox::information(this, tr("Preferences"),
Chris@180:                                  tr("One or more of the application preferences you have changed may not take full effect until Sonic Visualiser is restarted.\nPlease exit and restart the application now if you want these changes to take effect immediately."));
Chris@180:         m_changesOnRestart = false;
Chris@180:     }
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: