Chris@139: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@139: 
Chris@139: /*
Chris@139:     Sonic Visualiser
Chris@139:     An audio file viewer and annotation editor.
Chris@139:     Centre for Digital Music, Queen Mary, University of London.
Chris@139:     This file copyright 2006 Chris Cannam.
Chris@139:     
Chris@139:     This program is free software; you can redistribute it and/or
Chris@139:     modify it under the terms of the GNU General Public License as
Chris@139:     published by the Free Software Foundation; either version 2 of the
Chris@139:     License, or (at your option) any later version.  See the file
Chris@139:     COPYING included with this distribution for more information.
Chris@139: */
Chris@139: 
Chris@139: #include "WindowTypeSelector.h"
Chris@139: 
Chris@139: #include "WindowShapePreview.h"
Chris@139: 
Chris@139: #include <QVBoxLayout>
Chris@139: #include <QComboBox>
Chris@139: 
Chris@139: #include "base/Preferences.h"
Chris@139: 
Chris@139: WindowTypeSelector::WindowTypeSelector(WindowType defaultType, QWidget *parent) :
Chris@139:     QFrame(parent),
Chris@139:     m_windowType(WindowType(999))
Chris@139: {
Chris@139:     QVBoxLayout *layout = new QVBoxLayout;
Chris@139:     layout->setMargin(0);
Chris@139:     setLayout(layout);
Chris@139: 
Chris@139:     // The WindowType enum is in rather a ragbag order -- reorder it here
Chris@139:     // in a more sensible order
Chris@139:     m_windows = new WindowType[9];
Chris@139:     m_windows[0] = HanningWindow;
Chris@139:     m_windows[1] = HammingWindow;
Chris@139:     m_windows[2] = BlackmanWindow;
Chris@139:     m_windows[3] = BlackmanHarrisWindow;
Chris@139:     m_windows[4] = NuttallWindow;
Chris@139:     m_windows[5] = GaussianWindow;
Chris@139:     m_windows[6] = ParzenWindow;
Chris@139:     m_windows[7] = BartlettWindow;
Chris@139:     m_windows[8] = RectangularWindow;
Chris@139: 
Chris@139:     Preferences *prefs = Preferences::getInstance();
Chris@139: 
Chris@139:     m_windowShape = new WindowShapePreview;
Chris@139: 
Chris@139:     m_windowCombo = new QComboBox;
Chris@139:     int min = 0, max = 0, i = 0;
Chris@139:     int window = int(defaultType);
Chris@139:     if (window == 999) {
Chris@139:         window = prefs->getPropertyRangeAndValue("Window Type", &min, &max);
Chris@139:     }
Chris@139:     int index = 0;
Chris@139:     
Chris@139:     for (i = 0; i <= 8; ++i) {
Chris@139:         m_windowCombo->addItem(prefs->getPropertyValueLabel("Window Type",
Chris@139:                                                             m_windows[i]));
Chris@139:         if (m_windows[i] == window) index = i;
Chris@139:     }
Chris@139: 
Chris@139:     m_windowCombo->setCurrentIndex(index);
Chris@139: 
Chris@139:     layout->addWidget(m_windowShape);
Chris@139:     layout->addWidget(m_windowCombo);
Chris@139: 
Chris@139:     connect(m_windowCombo, SIGNAL(currentIndexChanged(int)),
Chris@139:             this, SLOT(windowIndexChanged(int)));
Chris@139:     windowIndexChanged(index);
Chris@139: }
Chris@139: 
Chris@139: WindowTypeSelector::~WindowTypeSelector()
Chris@139: {
Chris@139:     delete[] m_windows;
Chris@139: }
Chris@139: 
Chris@139: WindowType
Chris@139: WindowTypeSelector::getWindowType() const
Chris@139: {
Chris@139:     return m_windowType;
Chris@139: }
Chris@139: 
Chris@139: void
Chris@139: WindowTypeSelector::setWindowType(WindowType type)
Chris@139: {
Chris@139:     if (type == m_windowType) return;
Chris@139:     int index;
Chris@139:     for (index = 0; index <= 8; ++index) {
Chris@139:         if (m_windows[index] == type) break;
Chris@139:     }
Chris@139:     if (index <= 8) m_windowCombo->setCurrentIndex(index);
Chris@139:     m_windowType = type;
Chris@139:     m_windowShape->setWindowType(m_windowType);
Chris@139: }
Chris@139: 
Chris@139: void
Chris@139: WindowTypeSelector::windowIndexChanged(int index)
Chris@139: {
Chris@139:     WindowType type = m_windows[index];
Chris@139:     if (type == m_windowType) return;
Chris@139:     m_windowType = type;
Chris@139:     m_windowShape->setWindowType(m_windowType);
Chris@139:     emit windowTypeChanged(type);
Chris@139: }
Chris@139: