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