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Fix pie slice label rotation...
Fix pie slice label rotation Make sure previously set rotation is reset when the label position is changed to outside. Task-number: QTRD-2186 Change-Id: Ida0913748aa8a3313a7754878bec1b8c4c69659e Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
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r2574:599370d0561c
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polarchartvalueaxisangular.cpp
80 lines | 2.4 KiB | text/x-c | CppLexer
/ src / axis / valueaxis / polarchartvalueaxisangular.cpp
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Miikka Heikkinen
Add Polar chart support...
 r2483 /****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
Miikka Heikkinen
Qt Commercial -> Qt Enterprise...
 r2574 ** This file is part of the Qt Enterprise Charts Add-on.
Miikka Heikkinen
Add Polar chart support...
 r2483 **
** $QT_BEGIN_LICENSE$
Miikka Heikkinen
Qt Commercial -> Qt Enterprise...
 r2574 ** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
Miikka Heikkinen
Add Polar chart support...
 r2483 ** 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 "polarchartvalueaxisangular_p.h"
#include "chartpresenter_p.h"
#include "abstractchartlayout_p.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
PolarChartValueAxisAngular::PolarChartValueAxisAngular(QValueAxis *axis, QGraphicsItem *item)
: PolarChartAxisAngular(axis, item)
{
QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));
QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
}
PolarChartValueAxisAngular::~PolarChartValueAxisAngular()
{
}
QVector<qreal> PolarChartValueAxisAngular::calculateLayout() const
{
int tickCount = static_cast<QValueAxis *>(axis())->tickCount();
Q_ASSERT(tickCount >= 2);
QVector<qreal> points;
points.resize(tickCount);
const qreal d = 360.0 / qreal(tickCount - 1);
for (int i = 0; i < tickCount; ++i) {
qreal angularCoordinate = qreal(i) * d;
points[i] = angularCoordinate;
}
return points;
}
void PolarChartValueAxisAngular::createAxisLabels(const QVector<qreal> &layout)
{
QStringList labelList = createValueLabels(min(), max(), layout.size(), static_cast<QValueAxis *>(axis())->labelFormat());
setLabels(labelList);
}
void PolarChartValueAxisAngular::handleTickCountChanged(int tick)
{
Q_UNUSED(tick);
QGraphicsLayoutItem::updateGeometry();
if (presenter())
presenter()->layout()->invalidate();
}
void PolarChartValueAxisAngular::handleLabelFormatChanged(const QString &format)
{
Q_UNUSED(format);
QGraphicsLayoutItem::updateGeometry();
if (presenter())
presenter()->layout()->invalidate();
}
#include "moc_polarchartvalueaxisangular_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE