Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
++
++ #include "declarativepieseries_p.h"
++ #include <QtCharts/QPieSlice>
++ #include <QtCharts/QVPieModelMapper>
++ #include <QtCharts/QHPieModelMapper>
++
++ QT_BEGIN_NAMESPACE
++
++ DeclarativePieSlice::DeclarativePieSlice(QObject *parent)
++ : QPieSlice(parent)
++ {
++ connect(this, SIGNAL(brushChanged()), this, SLOT(handleBrushChanged()));
++ }
++
++ QString DeclarativePieSlice::brushFilename() const
++ {
++ return m_brushFilename;
++ }
++
++ void DeclarativePieSlice::setBrushFilename(const QString &brushFilename)
++ {
++ QImage brushImage(brushFilename);
++ if (QPieSlice::brush().textureImage() != brushImage) {
++ QBrush brush = QPieSlice::brush();
++ brush.setTextureImage(brushImage);
++ QPieSlice::setBrush(brush);
++ m_brushFilename = brushFilename;
++ m_brushImage = brushImage;
++ emit brushFilenameChanged(brushFilename);
++ }
++ }
++
++ void DeclarativePieSlice::handleBrushChanged()
++ {
++ // If the texture image of the brush has changed along the brush
++ // the brush file name needs to be cleared.
++ if (!m_brushFilename.isEmpty() && QPieSlice::brush().textureImage() != m_brushImage) {
++ m_brushFilename.clear();
++ emit brushFilenameChanged(QString());
++ }
++ }
++
++ // Declarative pie series =========================================================================
++ DeclarativePieSeries::DeclarativePieSeries(QQuickItem *parent) :
++ QPieSeries(parent)
++ {
++ connect(this, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleAdded(QList<QPieSlice*>)));
++ connect(this, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleRemoved(QList<QPieSlice*>)));
++ }
++
++ void DeclarativePieSeries::classBegin()
++ {
++ }
++
++ void DeclarativePieSeries::componentComplete()
++ {
++ const auto childlist = children();
++ for (QObject *child : childlist) {
++ if (qobject_cast<QPieSlice *>(child)) {
++ QPieSeries::append(qobject_cast<QPieSlice *>(child));
++ } else if (qobject_cast<QVPieModelMapper *>(child)) {
++ QVPieModelMapper *mapper = qobject_cast<QVPieModelMapper *>(child);
++ mapper->setSeries(this);
++ } else if (qobject_cast<QHPieModelMapper *>(child)) {
++ QHPieModelMapper *mapper = qobject_cast<QHPieModelMapper *>(child);
++ mapper->setSeries(this);
++ }
++ }
++ }
++
++ QQmlListProperty<QObject> DeclarativePieSeries::seriesChildren()
++ {
++ return QQmlListProperty<QObject>(this, 0, &DeclarativePieSeries::appendSeriesChildren ,0,0,0);
++ }
++
++ void DeclarativePieSeries::appendSeriesChildren(QQmlListProperty<QObject> * list, QObject *element)
++ {
++ // Empty implementation; the children are parsed in componentComplete instead
++ Q_UNUSED(list);
++ Q_UNUSED(element);
++ }
++
++ QPieSlice *DeclarativePieSeries::at(int index)
++ {
++ const QList<QPieSlice *> sliceList = slices();
++ if (index >= 0 && index < sliceList.size())
++ return sliceList.at(index);
++
++ return 0;
++ }
++
++ QPieSlice *DeclarativePieSeries::find(QString label)
++ {
++ const QList<QPieSlice *> sliceList = slices();
++ for (auto *slice : sliceList) {
++ if (slice->label() == label)
++ return slice;
++ }
++ return 0;
++ }
++
++ DeclarativePieSlice *DeclarativePieSeries::append(QString label, qreal value)
++ {
++ DeclarativePieSlice *slice = new DeclarativePieSlice(this);
++ slice->setLabel(label);
++ slice->setValue(value);
++ if (QPieSeries::append(slice))
++ return slice;
++ delete slice;
++ return 0;
++ }
++
++ bool DeclarativePieSeries::remove(QPieSlice *slice)
++ {
++ return QPieSeries::remove(slice);
++ }
++
++ void DeclarativePieSeries::clear()
++ {
++ QPieSeries::clear();
++ }
++
++ void DeclarativePieSeries::handleAdded(const QList<QPieSlice *> &slices)
++ {
++ for (auto *slice : slices)
++ emit sliceAdded(slice);
++ }
++
++ void DeclarativePieSeries::handleRemoved(const QList<QPieSlice *> &slices)
++ {
++ for (auto *slice : slices)
++ emit sliceRemoved(slice);
++ }
++
++ QT_END_NAMESPACE
++
++ #include "moc_declarativepieseries_p.cpp"