##// 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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qxylegendmarker.cpp
134 lines | 3.3 KiB | text/x-c | CppLexer
/ src / legend / qxylegendmarker.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 "qxylegendmarker.h"
#include "qxylegendmarker_p.h"
#include "qxyseries_p.h"
#include <QXYSeries>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
/*!
\class QXYLegendMarker
\brief QXYLegendMarker object
\mainclass
QXYLegendMarker is related to QXYSeries derived classes. Each marker is related to one series.
\sa QLegend QXYSeries QSplineSeries QScatterSeries QLineSeries
*/
/*!
\fn virtual LegendMarkerType QXYLegendMarker::type()
Returns QLegendMarker::LegendMarkerTypeXY
*/
/*!
\internal
*/
QXYLegendMarker::QXYLegendMarker(QXYSeries *series, QLegend *legend, QObject *parent) :
QLegendMarker(*new QXYLegendMarkerPrivate(this,series,legend), parent)
{
d_ptr->updated();
}
/*!
Destructor
*/
QXYLegendMarker::~QXYLegendMarker()
{
}
/*!
\internal
*/
QXYLegendMarker::QXYLegendMarker(QXYLegendMarkerPrivate &d, QObject *parent) :
QLegendMarker(d, parent)
{
}
/*!
Returns the related series
*/
QXYSeries* QXYLegendMarker::series()
{
Q_D(QXYLegendMarker);
return d->m_series;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
QXYLegendMarkerPrivate::QXYLegendMarkerPrivate(QXYLegendMarker *q, QXYSeries *series, QLegend *legend) :
QLegendMarkerPrivate(q,legend),
q_ptr(q),
m_series(series)
{
QObject::connect(m_series, SIGNAL(nameChanged()), this, SLOT(updated()));
QObject::connect(m_series->d_func(), SIGNAL(updated()), this, SLOT(updated()));
}
QXYLegendMarkerPrivate::~QXYLegendMarkerPrivate()
{
}
QAbstractSeries* QXYLegendMarkerPrivate::series()
{
return m_series;
}
QObject* QXYLegendMarkerPrivate::relatedObject()
{
return m_series;
}
void QXYLegendMarkerPrivate::updated()
{
bool labelChanged = false;
bool brushChanged = false;
if (m_item->label() != m_series->name()) {
m_item->setLabel(m_series->name());
labelChanged = true;
}
if (m_series->type()== QAbstractSeries::SeriesTypeScatter) {
if (m_item->brush() != m_series->brush()) {
m_item->setBrush(m_series->brush());
brushChanged = true;
}
} else {
if (m_item->brush().color() != m_series->pen().color()) {
m_item->setBrush(QBrush(m_series->pen().color()));
brushChanged = true;
}
}
invalidateLegend();
if (labelChanged)
emit q_ptr->labelChanged();
if (brushChanged)
emit q_ptr->brushChanged();
}
#include "moc_qxylegendmarker.cpp"
#include "moc_qxylegendmarker_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE