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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtCharts/QXYLegendMarker>
#include <private/qxylegendmarker_p.h>
#include <private/qxyseries_p.h>
#include <QtCharts/QXYSeries>
#if QT_CONFIG(charts_scatter_chart)
#include <QtCharts/QScatterSeries>
#endif
QT_BEGIN_NAMESPACE
/*!
\class QXYLegendMarker
\inmodule QtCharts
\brief The QXYLegendMarker class is a legend marker for a line, spline, or scatter series.
An XY legend marker is related to QXYSeries derived classes: QLineSeries, QSplineSeries,
and QScatterSeries. Each marker is related to one series.
\sa QLegend, QXYSeries, QSplineSeries, QScatterSeries, QLineSeries
*/
/*!
\fn virtual LegendMarkerType QXYLegendMarker::type()
\reimp
*/
/*!
\internal
*/
QXYLegendMarker::QXYLegendMarker(QXYSeries *series, QLegend *legend, QObject *parent) :
QLegendMarker(*new QXYLegendMarkerPrivate(this,series,legend), parent)
{
d_ptr->updated();
}
/*!
Removes the legend marker for a line, spline, or scatter series.
*/
QXYLegendMarker::~QXYLegendMarker()
{
}
/*!
\internal
*/
QXYLegendMarker::QXYLegendMarker(QXYLegendMarkerPrivate &d, QObject *parent) :
QLegendMarker(d, parent)
{
}
/*!
\reimp
*/
QXYSeries* QXYLegendMarker::series()
{
Q_D(QXYLegendMarker);
return d->m_series;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
QXYLegendMarkerPrivate::QXYLegendMarkerPrivate(QXYLegendMarker *q, QXYSeries *series, QLegend *legend) :
QLegendMarkerPrivate(q,legend),
q_ptr(q),
m_series(series)
{
connect(m_series->d_func(), &QXYSeriesPrivate::seriesUpdated,
this, &QXYLegendMarkerPrivate::updated);
connect(m_series, &QXYSeries::nameChanged, this, &QXYLegendMarkerPrivate::updated);
}
QXYLegendMarkerPrivate::~QXYLegendMarkerPrivate()
{
}
QAbstractSeries* QXYLegendMarkerPrivate::series()
{
return m_series;
}
QObject* QXYLegendMarkerPrivate::relatedObject()
{
return m_series;
}
void QXYLegendMarkerPrivate::updated()
{
bool labelChanged = false;
bool brushChanged = false;
if (!m_customLabel && (m_item->label() != m_series->name())) {
m_item->setLabel(m_series->name());
labelChanged = true;
}
#if QT_CONFIG(charts_scatter_chart)
if (m_series->type()== QAbstractSeries::SeriesTypeScatter) {
if (!m_customBrush && (m_item->brush() != m_series->brush())) {
m_item->setBrush(m_series->brush());
brushChanged = true;
}
if (m_item->effectiveMarkerShape() == QLegend::MarkerShapeFromSeries) {
QScatterSeries *scatter = static_cast<QScatterSeries *>(m_series);
if (scatter) {
const bool shapeChangeNeeded =
(scatter->markerShape() == QScatterSeries::MarkerShapeCircle
&& m_item->itemType() != LegendMarkerItem::TypeCircle)
|| (scatter->markerShape() == QScatterSeries::MarkerShapeRectangle
&& m_item->itemType() != LegendMarkerItem::TypeRect);
if (shapeChangeNeeded || scatter->markerSize() != m_item->markerRect().width())
m_item->updateMarkerShapeAndSize();
}
}
} else
#endif
{
QBrush emptyBrush;
if (!m_customBrush
&& (m_item->brush() == emptyBrush
|| m_item->brush().color() != m_series->pen().color())) {
m_item->setBrush(QBrush(m_series->pen().color()));
brushChanged = true;
}
if (m_item->effectiveMarkerShape() == QLegend::MarkerShapeFromSeries
&& m_series->markerSize() != m_item->markerRect().width()) {
m_item->updateMarkerShapeAndSize();
}
}
m_item->setSeriesBrush(m_series->brush());
m_item->setSeriesPen(m_series->pen());
if (m_item->effectiveMarkerShape() == QLegend::MarkerShapeFromSeries)
m_item->setSeriesLightMarker(m_series->lightMarker());
invalidateLegend();
if (labelChanged)
emit q_ptr->labelChanged();
if (brushChanged)
emit q_ptr->brushChanged();
}
QT_END_NAMESPACE
#include "moc_qxylegendmarker.cpp"
#include "moc_qxylegendmarker_p.cpp"