##// END OF EJS Templates
Fix crash when changing the values to empty model with logarithmic axis...
Fix crash when changing the values to empty model with logarithmic axis One zero or negative value invalidates the whole layout for logarithmic axes, but this wasn't taken into account when replacing the points. Task-number: QTRD-1914 Reviewed-by: Mika Salmela

File last commit:

r2265:b004c42eda51
r2427:b3d485323aa9
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qpielegendmarker.cpp
143 lines | 3.5 KiB | text/x-c | CppLexer
/ src / legend / qpielegendmarker.cpp
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qpielegendmarker.h"
#include "qpielegendmarker_p.h"
#include <QPieSeries>
#include <QPieSlice>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
/*!
\class QPieLegendMarker
\brief LegendMarker object
\mainclass
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_item->pen() != m_slice->pen()) {
m_item->setPen(m_slice->pen());
penChanged = true;
}
if (m_item->brush() != m_slice->brush()) {
m_item->setBrush(m_slice->brush());
brushChanged = true;
}
if (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"
QTCOMMERCIALCHART_END_NAMESPACE