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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCharts/QPieLegendMarker>
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#include <private/qpielegendmarker_p.h>
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#include <QtCharts/QPieSeries>
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#include <QtCharts/QPieSlice>
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QT_CHARTS_BEGIN_NAMESPACE
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/*!
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\class QPieLegendMarker
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\inmodule Qt Charts
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\brief QLegendMarker subclass for pie series.
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QPieLegendMarker is related to QPieSeries. With QPieSeries, each slice of pie is related to one marker in QLegend.
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\sa QLegend, QPieSeries, QPieSlice
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*/
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/*!
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\fn virtual LegendMarkerType QPieLegendMarker::type()
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Returns QLegendMarker::LegendMarkerTypePie
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*/
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/*!
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\internal
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*/
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QPieLegendMarker::QPieLegendMarker(QPieSeries *series, QPieSlice *slice, QLegend *legend, QObject *parent) :
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QLegendMarker(*new QPieLegendMarkerPrivate(this,series,slice,legend), parent)
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{
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d_ptr->updated();
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}
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/*!
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Destructor
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*/
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QPieLegendMarker::~QPieLegendMarker()
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{
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}
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/*!
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\internal
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*/
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QPieLegendMarker::QPieLegendMarker(QPieLegendMarkerPrivate &d, QObject *parent) :
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QLegendMarker(d, parent)
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{
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}
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/*!
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Returns the related series of marker.
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*/
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QPieSeries* QPieLegendMarker::series()
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{
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Q_D(QPieLegendMarker);
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return d->m_series;
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}
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/*!
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Returns the related slice of marker.
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*/
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QPieSlice* QPieLegendMarker::slice()
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{
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Q_D(QPieLegendMarker);
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return d->m_slice;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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QPieLegendMarkerPrivate::QPieLegendMarkerPrivate(QPieLegendMarker *q, QPieSeries *series, QPieSlice *slice, QLegend *legend) :
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QLegendMarkerPrivate(q,legend),
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q_ptr(q),
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m_series(series),
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m_slice(slice)
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{
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QObject::connect(m_slice, SIGNAL(labelChanged()), this, SLOT(updated()));
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QObject::connect(m_slice, SIGNAL(brushChanged()), this, SLOT(updated()));
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QObject::connect(m_slice, SIGNAL(penChanged()), this, SLOT(updated()));
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}
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QPieLegendMarkerPrivate::~QPieLegendMarkerPrivate()
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{
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}
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QPieSeries* QPieLegendMarkerPrivate::series()
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{
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return m_series;
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}
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QObject* QPieLegendMarkerPrivate::relatedObject()
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{
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return m_slice;
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}
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void QPieLegendMarkerPrivate::updated()
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{
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bool labelChanged = false;
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bool brushChanged = false;
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bool penChanged = false;
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if (!m_customPen && (m_item->pen() != m_slice->pen())) {
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m_item->setPen(m_slice->pen());
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penChanged = true;
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}
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if (!m_customBrush && (m_item->brush() != m_slice->brush())) {
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m_item->setBrush(m_slice->brush());
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brushChanged = true;
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}
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if (!m_customLabel && (m_item->label() != m_slice->label())) {
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m_item->setLabel(m_slice->label());
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labelChanged = true;
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}
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invalidateLegend();
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if (labelChanged)
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emit q_ptr->labelChanged();
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if (brushChanged)
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emit q_ptr->brushChanged();
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if (penChanged)
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emit q_ptr->penChanged();
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}
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#include "moc_qpielegendmarker.cpp"
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#include "moc_qpielegendmarker_p.cpp"
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QT_CHARTS_END_NAMESPACE
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