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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtCharts/QPieLegendMarker>
#include <private/qpielegendmarker_p.h>
#include <QtCharts/QPieSeries>
#include <QtCharts/QPieSlice>
QT_BEGIN_NAMESPACE
/*!
\class QPieLegendMarker
\inmodule QtCharts
\brief The QPieLegendMarker class is a legend marker for a pie series.
A pie legend marker is related to QPieSeries. With a pie series, each slice of the pie
is related to one marker in the legend.
\sa QLegend, QPieSeries, QPieSlice
*/
/*!
\fn virtual LegendMarkerType QPieLegendMarker::type()
\reimp
*/
/*!
\internal
*/
QPieLegendMarker::QPieLegendMarker(QPieSeries *series, QPieSlice *slice, QLegend *legend, QObject *parent) :
QLegendMarker(*new QPieLegendMarkerPrivate(this,series,slice,legend), parent)
{
d_ptr->updated();
}
/*!
Removes the legend marker for a pie series.
*/
QPieLegendMarker::~QPieLegendMarker()
{
}
/*!
\internal
*/
QPieLegendMarker::QPieLegendMarker(QPieLegendMarkerPrivate &d, QObject *parent) :
QLegendMarker(d, parent)
{
}
/*!
\reimp
*/
QPieSeries* QPieLegendMarker::series()
{
Q_D(QPieLegendMarker);
return d->m_series;
}
/*!
Returns the slice of the pie related to the marker.
*/
QPieSlice* QPieLegendMarker::slice()
{
Q_D(QPieLegendMarker);
return d->m_slice;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
QPieLegendMarkerPrivate::QPieLegendMarkerPrivate(QPieLegendMarker *q, QPieSeries *series, QPieSlice *slice, QLegend *legend) :
QLegendMarkerPrivate(q,legend),
q_ptr(q),
m_series(series),
m_slice(slice)
{
QObject::connect(m_slice, SIGNAL(labelChanged()), this, SLOT(updated()));
QObject::connect(m_slice, SIGNAL(brushChanged()), this, SLOT(updated()));
QObject::connect(m_slice, SIGNAL(penChanged()), this, SLOT(updated()));
}
QPieLegendMarkerPrivate::~QPieLegendMarkerPrivate()
{
}
QPieSeries* QPieLegendMarkerPrivate::series()
{
return m_series;
}
QObject* QPieLegendMarkerPrivate::relatedObject()
{
return m_slice;
}
void QPieLegendMarkerPrivate::updated()
{
bool labelChanged = false;
bool brushChanged = false;
bool penChanged = false;
if (!m_customPen && (m_item->pen() != m_slice->pen())) {
m_item->setPen(m_slice->pen());
penChanged = true;
}
if (!m_customBrush && (m_item->brush() != m_slice->brush())) {
m_item->setBrush(m_slice->brush());
brushChanged = true;
}
if (!m_customLabel && (m_item->label() != m_slice->label())) {
m_item->setLabel(m_slice->label());
labelChanged = true;
}
invalidateLegend();
if (labelChanged)
emit q_ptr->labelChanged();
if (brushChanged)
emit q_ptr->brushChanged();
if (penChanged)
emit q_ptr->penChanged();
}
QT_END_NAMESPACE
#include "moc_qpielegendmarker.cpp"
#include "moc_qpielegendmarker_p.cpp"