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 "WindowTypeSelector.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include "WindowShapePreview.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include <QVBoxLayout>
lbajardsilogic@0: #include <QComboBox>
lbajardsilogic@0: 
lbajardsilogic@0: #include "base/Preferences.h"
lbajardsilogic@0: 
lbajardsilogic@0: WindowTypeSelector::WindowTypeSelector(WindowType defaultType, QWidget *parent) :
lbajardsilogic@0:     QFrame(parent),
lbajardsilogic@0:     m_windowType(WindowType(999))
lbajardsilogic@0: {
lbajardsilogic@0:     QVBoxLayout *layout = new QVBoxLayout;
lbajardsilogic@0:     layout->setMargin(0);
lbajardsilogic@0:     setLayout(layout);
lbajardsilogic@0: 
lbajardsilogic@0:     // The WindowType enum is in rather a ragbag order -- reorder it here
lbajardsilogic@0:     // in a more sensible order
lbajardsilogic@0:     m_windows = new WindowType[9];
lbajardsilogic@0:     m_windows[0] = HanningWindow;
lbajardsilogic@0:     m_windows[1] = HammingWindow;
lbajardsilogic@0:     m_windows[2] = BlackmanWindow;
lbajardsilogic@0:     m_windows[3] = BlackmanHarrisWindow;
lbajardsilogic@0:     m_windows[4] = NuttallWindow;
lbajardsilogic@0:     m_windows[5] = GaussianWindow;
lbajardsilogic@0:     m_windows[6] = ParzenWindow;
lbajardsilogic@0:     m_windows[7] = BartlettWindow;
lbajardsilogic@0:     m_windows[8] = RectangularWindow;
lbajardsilogic@0: 
lbajardsilogic@0:     Preferences *prefs = Preferences::getInstance();
lbajardsilogic@0: 
lbajardsilogic@0:     m_windowShape = new WindowShapePreview;
lbajardsilogic@0: 
lbajardsilogic@0:     m_windowCombo = new QComboBox;
lbajardsilogic@0:     int min = 0, max = 0, deflt = 0, i = 0;
lbajardsilogic@0:     int window = int(defaultType);
lbajardsilogic@0:     if (window == 999) {
lbajardsilogic@0:         window = prefs->getPropertyRangeAndValue("Window Type", &min, &max,
lbajardsilogic@0:                                                  &deflt);
lbajardsilogic@0:     }
lbajardsilogic@0:     int index = 0;
lbajardsilogic@0:     
lbajardsilogic@0:     for (i = 0; i <= 8; ++i) {
lbajardsilogic@0:         m_windowCombo->addItem(prefs->getPropertyValueLabel("Window Type",
lbajardsilogic@0:                                                             m_windows[i]));
lbajardsilogic@0:         if (m_windows[i] == window) index = i;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     m_windowCombo->setCurrentIndex(index);
lbajardsilogic@0: 
lbajardsilogic@0:     layout->addWidget(m_windowShape);
lbajardsilogic@0:     layout->addWidget(m_windowCombo);
lbajardsilogic@0: 
lbajardsilogic@0:     connect(m_windowCombo, SIGNAL(currentIndexChanged(int)),
lbajardsilogic@0:             this, SLOT(windowIndexChanged(int)));
lbajardsilogic@0:     windowIndexChanged(index);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: WindowTypeSelector::~WindowTypeSelector()
lbajardsilogic@0: {
lbajardsilogic@0:     delete[] m_windows;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: WindowType
lbajardsilogic@0: WindowTypeSelector::getWindowType() const
lbajardsilogic@0: {
lbajardsilogic@0:     return m_windowType;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: WindowTypeSelector::setWindowType(WindowType type)
lbajardsilogic@0: {
lbajardsilogic@0:     if (type == m_windowType) return;
lbajardsilogic@0:     int index;
lbajardsilogic@0:     for (index = 0; index <= 8; ++index) {
lbajardsilogic@0:         if (m_windows[index] == type) break;
lbajardsilogic@0:     }
lbajardsilogic@0:     if (index <= 8) m_windowCombo->setCurrentIndex(index);
lbajardsilogic@0:     m_windowType = type;
lbajardsilogic@0:     m_windowShape->setWindowType(m_windowType);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: WindowTypeSelector::windowIndexChanged(int index)
lbajardsilogic@0: {
lbajardsilogic@0:     WindowType type = m_windows[index];
lbajardsilogic@0:     if (type == m_windowType) return;
lbajardsilogic@0:     m_windowType = type;
lbajardsilogic@0:     m_windowShape->setWindowType(m_windowType);
lbajardsilogic@0:     emit windowTypeChanged(type);
lbajardsilogic@0: }
lbajardsilogic@0: