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@1196: #include "ColourComboBox.h"
Chris@1196: 
Chris@1196: #include "ColourNameDialog.h"
Chris@1196: 
Chris@1196: #include "layer/ColourDatabase.h"
Chris@1196: 
Chris@1196: #include "base/Debug.h"
Chris@1196: 
Chris@1196: #include <QFontMetrics>
Chris@1196: #include <QColorDialog>
Chris@1196: 
Chris@1196: #include <iostream>
Chris@1196: 
Chris@1196: using namespace std;
Chris@1196: 
Chris@1196: ColourComboBox::ColourComboBox(bool withAddNewColourEntry, QWidget *parent) :
Chris@1196:     NotifyingComboBox(parent),
Chris@1196:     m_withAddNewColourEntry(withAddNewColourEntry)
Chris@1196: {
Chris@1196:     setEditable(false);
Chris@1196:     rebuild();
Chris@1196: 
Chris@1196:     connect(this, SIGNAL(activated(int)), this, SLOT(comboActivated(int)));
Chris@1196:     connect(ColourDatabase::getInstance(), SIGNAL(colourDatabaseChanged()),
Chris@1196:             this, SLOT(rebuild()));
Chris@1196: 
Chris@1196:     if (count() < 20 && count() > maxVisibleItems()) {
Chris@1196: 	setMaxVisibleItems(count());
Chris@1196:     }
Chris@1196: }
Chris@1196: 
Chris@1196: void
Chris@1196: ColourComboBox::comboActivated(int index)
Chris@1196: {
Chris@1196:     if (!m_withAddNewColourEntry ||
Chris@1196: 	index < int(ColourDatabase::getInstance()->getColourCount())) {
Chris@1196: 	emit colourChanged(index);
Chris@1196: 	return;
Chris@1196:     }
Chris@1196:     
Chris@1196:     QColor newColour = QColorDialog::getColor();
Chris@1196:     if (!newColour.isValid()) return;
Chris@1196: 
Chris@1196:     ColourNameDialog dialog(tr("Name New Colour"),
Chris@1196:                             tr("Enter a name for the new colour:"),
Chris@1196:                             newColour, newColour.name(), this);
Chris@1196:     dialog.showDarkBackgroundCheckbox(tr("Prefer black background for this colour"));
Chris@1196:     if (dialog.exec() == QDialog::Accepted) {
Chris@1196:         //!!! command
Chris@1196:         ColourDatabase *db = ColourDatabase::getInstance();
Chris@1196:         int index = db->addColour(newColour, dialog.getColourName());
Chris@1196:         db->setUseDarkBackground(index, dialog.isDarkBackgroundChecked());
Chris@1196: 	// addColour will have called back on rebuild(), and the new
Chris@1196: 	// colour will be at the index previously occupied by Add New
Chris@1196: 	// Colour, which is our current index
Chris@1196: 	emit colourChanged(currentIndex());
Chris@1196:     }
Chris@1196: }
Chris@1196: 
Chris@1196: void
Chris@1196: ColourComboBox::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@1196:     ColourDatabase *db = ColourDatabase::getInstance();
Chris@1196:     for (int i = 0; i < db->getColourCount(); ++i) {
Chris@1196: 	QString name = db->getColourName(i);
Chris@1196: 	addItem(db->getExamplePixmap(i, QSize(size, size)), name);
Chris@1196:     }
Chris@1196: 
Chris@1196:     if (m_withAddNewColourEntry) {
Chris@1196: 	addItem(tr("Add New Colour..."));
Chris@1196:     }
Chris@1196: 
Chris@1196:     setCurrentIndex(ix);
Chris@1196:     
Chris@1196:     blockSignals(false);
Chris@1196: }
Chris@1196: