qpielegendmarker.cpp
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r0 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 2016 The Qt Company Ltd. | ||||
** Contact: https://www.qt.io/licensing/ | ||||
** | ||||
** This file is part of the Qt Charts module of the Qt Toolkit. | ||||
** | ||||
** $QT_BEGIN_LICENSE:GPL$ | ||||
** Commercial License Usage | ||||
** Licensees holding valid commercial Qt licenses may use this file in | ||||
** accordance with the commercial license agreement provided with the | ||||
** Software or, alternatively, in accordance with the terms contained in | ||||
** a written agreement between you and The Qt Company. For licensing terms | ||||
** and conditions see https://www.qt.io/terms-conditions. For further | ||||
** information use the contact form at https://www.qt.io/contact-us. | ||||
** | ||||
** GNU General Public License Usage | ||||
** Alternatively, this file may be used under the terms of the GNU | ||||
** General Public License version 3 or (at your option) any later version | ||||
** approved by the KDE Free Qt Foundation. The licenses are as published by | ||||
** the Free Software Foundation and appearing in the file LICENSE.GPL3 | ||||
** included in the packaging of this file. Please review the following | ||||
** information to ensure the GNU General Public License requirements will | ||||
** be met: https://www.gnu.org/licenses/gpl-3.0.html. | ||||
** | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#include <QtCharts/QPieLegendMarker> | ||||
#include <private/qpielegendmarker_p.h> | ||||
#include <QtCharts/QPieSeries> | ||||
#include <QtCharts/QPieSlice> | ||||
QT_CHARTS_BEGIN_NAMESPACE | ||||
/*! | ||||
\class QPieLegendMarker | ||||
\inmodule Qt Charts | ||||
\brief QLegendMarker subclass for pie series. | ||||
QPieLegendMarker is related to QPieSeries. With QPieSeries, each slice of pie is related to one marker in QLegend. | ||||
\sa QLegend, QPieSeries, QPieSlice | ||||
*/ | ||||
/*! | ||||
\fn virtual LegendMarkerType QPieLegendMarker::type() | ||||
Returns QLegendMarker::LegendMarkerTypePie | ||||
*/ | ||||
/*! | ||||
\internal | ||||
*/ | ||||
QPieLegendMarker::QPieLegendMarker(QPieSeries *series, QPieSlice *slice, QLegend *legend, QObject *parent) : | ||||
QLegendMarker(*new QPieLegendMarkerPrivate(this,series,slice,legend), parent) | ||||
{ | ||||
d_ptr->updated(); | ||||
} | ||||
/*! | ||||
Destructor | ||||
*/ | ||||
QPieLegendMarker::~QPieLegendMarker() | ||||
{ | ||||
} | ||||
/*! | ||||
\internal | ||||
*/ | ||||
QPieLegendMarker::QPieLegendMarker(QPieLegendMarkerPrivate &d, QObject *parent) : | ||||
QLegendMarker(d, parent) | ||||
{ | ||||
} | ||||
/*! | ||||
Returns the related series of marker. | ||||
*/ | ||||
QPieSeries* QPieLegendMarker::series() | ||||
{ | ||||
Q_D(QPieLegendMarker); | ||||
return d->m_series; | ||||
} | ||||
/*! | ||||
Returns the related slice of 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(); | ||||
} | ||||
#include "moc_qpielegendmarker.cpp" | ||||
#include "moc_qpielegendmarker_p.cpp" | ||||
QT_CHARTS_END_NAMESPACE | ||||