Chris@1196: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@1196: 
Chris@1196: /*
Chris@1196:     Sonic Visualiser
Chris@1196:     An audio file viewer and annotation editor.
Chris@1196:     Centre for Digital Music, Queen Mary, University of London.
Chris@1196:     This file copyright 2007-2016 QMUL.
Chris@1196:     
Chris@1196:     This program is free software; you can redistribute it and/or
Chris@1196:     modify it under the terms of the GNU General Public License as
Chris@1196:     published by the Free Software Foundation; either version 2 of the
Chris@1196:     License, or (at your option) any later version.  See the file
Chris@1196:     COPYING included with this distribution for more information.
Chris@1196: */
Chris@1196: 
Chris@1198: #include "ColourMapComboBox.h"
Chris@1196: 
Chris@1198: #include "layer/ColourMapper.h"
Chris@1196: 
Chris@1196: #include "base/Debug.h"
Chris@1196: 
Chris@1196: #include <QFontMetrics>
Chris@1196: 
Chris@1196: #include <iostream>
Chris@1196: 
Chris@1196: using namespace std;
Chris@1196: 
Chris@1199: ColourMapComboBox::ColourMapComboBox(bool includeSwatches, QWidget *parent) :
Chris@1199:     NotifyingComboBox(parent),
Chris@1199:     m_includeSwatches(includeSwatches)
Chris@1196: {
Chris@1196:     setEditable(false);
Chris@1196:     rebuild();
Chris@1196: 
Chris@1196:     connect(this, SIGNAL(activated(int)), this, SLOT(comboActivated(int)));
Chris@1196: 
Chris@1196:     if (count() < 20 && count() > maxVisibleItems()) {
Chris@1196: 	setMaxVisibleItems(count());
Chris@1196:     }
Chris@1196: }
Chris@1196: 
Chris@1196: void
Chris@1198: ColourMapComboBox::comboActivated(int index)
Chris@1196: {
Chris@1198:     emit colourMapChanged(index);
Chris@1196: }
Chris@1196: 
Chris@1196: void
Chris@1198: ColourMapComboBox::rebuild()
Chris@1196: {
Chris@1196:     blockSignals(true);
Chris@1196: 
Chris@1196:     int ix = currentIndex();
Chris@1196:     
Chris@1196:     clear();
Chris@1196: 
Chris@1196:     int size = (QFontMetrics(QFont()).height() * 2) / 3;
Chris@1196:     if (size < 12) size = 12;
Chris@1196: 
Chris@1198:     for (int i = 0; i < ColourMapper::getColourMapCount(); ++i) {
Chris@1199:         QString name = ColourMapper::getColourMapName(i);
Chris@1199:         if (m_includeSwatches) {
Chris@1199:             ColourMapper mapper(i, 0.0, 1.0);
Chris@1199:             addItem(mapper.getExamplePixmap(QSize(size * 2, size)), name);
Chris@1199:         } else {
Chris@1199:             addItem(name);
Chris@1199:         }
Chris@1196:     }
Chris@1196: 
Chris@1196:     setCurrentIndex(ix);
Chris@1196:     
Chris@1196:     blockSignals(false);
Chris@1196: }
Chris@1196: