Mercurial > hg > svgui
view widgets/ColourComboBox.cpp @ 1590:e660a00bc3b9
That didn't work well on a machine with a higher scaled-pixel ratio, try this
author | Chris Cannam |
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date | Fri, 03 Apr 2020 11:35:36 +0100 |
parents | 85f04c956f03 |
children |
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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 2007-2016 QMUL. 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 "ColourComboBox.h" #include "ColourNameDialog.h" #include "layer/ColourDatabase.h" #include "base/Debug.h" #include <QFontMetrics> #include <QColorDialog> #include <iostream> using namespace std; ColourComboBox::ColourComboBox(bool withAddNewColourEntry, QWidget *parent) : NotifyingComboBox(parent), m_withAddNewColourEntry(withAddNewColourEntry) { setEditable(false); rebuild(); connect(this, SIGNAL(activated(int)), this, SLOT(comboActivated(int))); connect(ColourDatabase::getInstance(), SIGNAL(colourDatabaseChanged()), this, SLOT(rebuild())); } void ColourComboBox::includeUnsetEntry(QString entry) { m_unsetEntry = entry; rebuild(); blockSignals(true); int ix = currentIndex(); setCurrentIndex(ix + 1); blockSignals(false); } void ColourComboBox::comboActivated(int comboIndex) { int index = comboIndex; if (m_unsetEntry != "") { index = comboIndex - 1; // so index is the colour index } if (!m_withAddNewColourEntry || index < int(ColourDatabase::getInstance()->getColourCount())) { emit colourChanged(index); return; } QColor newColour = QColorDialog::getColor(); if (!newColour.isValid()) return; ColourNameDialog dialog(tr("Name New Colour"), tr("Enter a name for the new colour:"), newColour, newColour.name(), this); dialog.showDarkBackgroundCheckbox(tr("Prefer black background for this colour")); if (dialog.exec() == QDialog::Accepted) { //!!! command ColourDatabase *db = ColourDatabase::getInstance(); int index = db->addColour(newColour, dialog.getColourName()); db->setUseDarkBackground(index, dialog.isDarkBackgroundChecked()); // addColour will have called back on rebuild(), and the new // colour will be at the index previously occupied by Add New // Colour, which is our current index emit colourChanged(currentIndex()); } } void ColourComboBox::rebuild() { blockSignals(true); int ix = currentIndex(); clear(); if (m_unsetEntry != "") { addItem(m_unsetEntry); } int size = (QFontMetrics(QFont()).height() * 2) / 3; if (size < 12) size = 12; ColourDatabase *db = ColourDatabase::getInstance(); for (int i = 0; i < db->getColourCount(); ++i) { QString name = db->getColourName(i); addItem(db->getExamplePixmap(i, QSize(size, size)), name); } if (m_withAddNewColourEntry) { addItem(tr("Add New Colour...")); } setCurrentIndex(ix); if (count() < 18) { setMaxVisibleItems(count()); } else { setMaxVisibleItems(10); } blockSignals(false); }