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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtCharts/QCandlestickLegendMarker>
#include <private/legendmarkeritem_p.h>
#include <private/qcandlesticklegendmarker_p.h>
#include <private/qcandlestickseries_p.h>
QT_BEGIN_NAMESPACE
/*!
\class QCandlestickLegendMarker
\inmodule QtCharts
\since 5.8
\brief The QCandlestickLegendMarker class is a legend marker for a candlestick series.
QCandlestickLegendMarker is related to QCandlestickSeries, so that one candlestick series
results in one marker.
\sa QLegend, QCandlestickSeries
*/
/*!
\internal
*/
QCandlestickLegendMarker::QCandlestickLegendMarker(QCandlestickSeries *series, QLegend *legend,
QObject *parent)
: QLegendMarker(*new QCandlestickLegendMarkerPrivate(this, series, legend), parent)
{
Q_D(QCandlestickLegendMarker);
d->updated();
}
QCandlestickLegendMarker::~QCandlestickLegendMarker()
{
}
/*!
\reimp
*/
QLegendMarker::LegendMarkerType QCandlestickLegendMarker::type()
{
return LegendMarkerTypeCandlestick;
}
/*!
\reimp
*/
QCandlestickSeries* QCandlestickLegendMarker::series()
{
Q_D(QCandlestickLegendMarker);
return d->m_series;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
QCandlestickLegendMarkerPrivate::QCandlestickLegendMarkerPrivate(QCandlestickLegendMarker *q,
QCandlestickSeries *series,
QLegend *legend)
: QLegendMarkerPrivate(q, legend),
q_ptr(q),
m_series(series)
{
QObject::connect(m_item, SIGNAL(markerRectChanged()), this, SLOT(updated()));
QObject::connect(m_series, SIGNAL(nameChanged()), this, SLOT(updated()));
QObject::connect(m_series->d_func(), SIGNAL(updated()), this, SLOT(updated()));
}
QCandlestickLegendMarkerPrivate::~QCandlestickLegendMarkerPrivate()
{
}
QAbstractSeries* QCandlestickLegendMarkerPrivate::series()
{
return m_series;
}
QObject* QCandlestickLegendMarkerPrivate::relatedObject()
{
return m_series;
}
void QCandlestickLegendMarkerPrivate::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 (!m_customBrush) {
QLinearGradient gradient;
gradient.setStart(0.0, 0.0);
gradient.setFinalStop(m_item->markerRect().width(), m_item->markerRect().height());
gradient.setColorAt(0.0, m_series->increasingColor());
gradient.setColorAt(0.49, m_series->increasingColor());
gradient.setColorAt(0.50, m_series->decreasingColor());
gradient.setColorAt(1.0, m_series->decreasingColor());
QBrush brush(gradient);
if (m_item->brush() != brush) {
m_item->setBrush(brush);
brushChanged = true;
}
}
invalidateLegend();
if (labelChanged)
emit q_ptr->labelChanged();
if (brushChanged)
emit q_ptr->brushChanged();
}
QT_END_NAMESPACE
#include "moc_qcandlesticklegendmarker.cpp"
#include "moc_qcandlesticklegendmarker_p.cpp"