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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtCharts/QBarLegendMarker>
#include <private/qbarlegendmarker_p.h>
#include <QtCharts/QAbstractBarSeries>
#include <QtCharts/QBarSet>
QT_BEGIN_NAMESPACE
/*!
\class QBarLegendMarker
\inmodule QtCharts
\brief The QBarLegendMarker class is a legend marker for a bar series.
A bar legend marker is related to QAbstractBarSeries derived classes. With a bar series,
each marker is related to one QBarSet.
\sa QLegend, QAbstractBarSeries, QBarSet
*/
/*!
\fn virtual LegendMarkerType QBarLegendMarker::type()
\reimp
*/
/*!
\internal
Constructor
*/
QBarLegendMarker::QBarLegendMarker(QAbstractBarSeries *series, QBarSet *barset, QLegend *legend, QObject *parent) :
QLegendMarker(*new QBarLegendMarkerPrivate(this,series,barset,legend), parent)
{
d_ptr->updated();
}
/*!
Removes the legend marker for a bar set.
*/
QBarLegendMarker::~QBarLegendMarker()
{
}
/*!
\internal
*/
QBarLegendMarker::QBarLegendMarker(QBarLegendMarkerPrivate &d, QObject *parent) :
QLegendMarker(d, parent)
{
}
/*!
\reimp
*/
QAbstractBarSeries *QBarLegendMarker::series()
{
Q_D(QBarLegendMarker);
return d->m_series;
}
/*!
Returns the bar set related to the marker.
*/
QBarSet* QBarLegendMarker::barset()
{
Q_D(QBarLegendMarker);
return d->m_barset;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
QBarLegendMarkerPrivate::QBarLegendMarkerPrivate(QBarLegendMarker *q, QAbstractBarSeries *series, QBarSet *barset, QLegend *legend) :
QLegendMarkerPrivate(q,legend),
q_ptr(q),
m_series(series),
m_barset(barset)
{
QObject::connect(m_barset, SIGNAL(penChanged()), this, SLOT(updated()));
QObject::connect(m_barset, SIGNAL(labelChanged()), this, SLOT(updated()));
QObject::connect(m_barset, SIGNAL(brushChanged()), this, SLOT(updated()));
}
QBarLegendMarkerPrivate::~QBarLegendMarkerPrivate()
{
}
QAbstractBarSeries* QBarLegendMarkerPrivate::series()
{
return m_series;
}
QObject* QBarLegendMarkerPrivate::relatedObject()
{
return m_barset;
}
void QBarLegendMarkerPrivate::updated()
{
bool labelChanged = false;
bool brushChanged = false;
bool penChanged = false;
if (!m_customPen && (m_item->pen() != m_barset->pen())) {
m_item->setPen(m_barset->pen());
penChanged = true;
}
if (!m_customBrush && (m_item->brush() != m_barset->brush())) {
m_item->setBrush(m_barset->brush());
brushChanged = true;
}
if (!m_customLabel && (m_item->label() != m_barset->label())) {
m_item->setLabel(m_barset->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_qbarlegendmarker.cpp"
#include "moc_qbarlegendmarker_p.cpp"