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Suppress a warning in msvc 64bit builds...
Suppress a warning in msvc 64bit builds Using std:sort causes warning C4267 in 64bit msvc builds, because size_t and int are of different size. There should never be a case where list indexes grow so large that this causes problems, so just suppress the warning. Change-Id: I0e4904f88542178177afc51a82bbbd18b094eb32 Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>
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donutbreakdownchart.cpp
110 lines | 3.5 KiB | text/x-c | CppLexer
/ examples / charts / donutbreakdown / donutbreakdownchart.cpp
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Jani Honkonen
add missing license statements
 r1916 /****************************************************************************
**
Titta Heikkala
Update copyright year...
 r2688 ** Copyright (C) 2014 Digia Plc
Jani Honkonen
add missing license statements
 r1916 ** 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.
Jani Honkonen
add missing license statements
 r1916 **
** $QT_BEGIN_LICENSE$
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
Jani Honkonen
add missing license statements
 r1916 ** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Jani Honkonen
Refactored donutbreakdown example
 r1875 #include "donutbreakdownchart.h"
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 #include "mainslice.h"
Jani Honkonen
Refactored donutbreakdown example
 r1875 #include <QPieSlice>
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 #include <QPieLegendMarker>
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Refactored donutbreakdown example
 r1875
Titta Heikkala
Qt Charts project file structure change...
 r2712 QT_CHARTS_USE_NAMESPACE
Jani Honkonen
Refactored donutbreakdown example
 r1875
//![1]
DonutBreakdownChart::DonutBreakdownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
Miikka Heikkinen
Add Polar chart support...
 r2483 : QChart(QChart::ChartTypeCartesian, parent, wFlags)
Jani Honkonen
Refactored donutbreakdown example
 r1875 {
// create the series for main center pie
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 m_mainSeries = new QPieSeries();
m_mainSeries->setPieSize(0.7);
QChart::addSeries(m_mainSeries);
Jani Honkonen
Refactored donutbreakdown example
 r1875 }
//![1]
//![2]
void DonutBreakdownChart::addBreakdownSeries(QPieSeries *breakdownSeries, QColor color)
{
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 QFont font("Arial", 8);
Jani Honkonen
Refactored donutbreakdown example
 r1875 // add breakdown series as a slice to center pie
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 MainSlice *mainSlice = new MainSlice(breakdownSeries);
mainSlice->setName(breakdownSeries->name());
mainSlice->setValue(breakdownSeries->sum());
m_mainSeries->append(mainSlice);
Jani Honkonen
Refactored donutbreakdown example
 r1875
// customize the slice
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 mainSlice->setBrush(color);
mainSlice->setLabelVisible();
mainSlice->setLabelColor(Qt::white);
mainSlice->setLabelPosition(QPieSlice::LabelInsideHorizontal);
mainSlice->setLabelFont(font);
Jani Honkonen
Refactored donutbreakdown example
 r1875
// position and customize the breakdown series
breakdownSeries->setPieSize(0.8);
breakdownSeries->setHoleSize(0.7);
breakdownSeries->setLabelsVisible();
foreach (QPieSlice *slice, breakdownSeries->slices()) {
Jani Honkonen
fine tuning donutbreakdownchart
 r1905 color = color.lighter(115);
Jani Honkonen
Refactored donutbreakdown example
 r1875 slice->setBrush(color);
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 slice->setLabelFont(font);
Jani Honkonen
Refactored donutbreakdown example
 r1875 }
// add the series to the chart
Jani Honkonen
Update donutbreakdown example docs
 r1888 QChart::addSeries(breakdownSeries);
Jani Honkonen
Refactored donutbreakdown example
 r1875
// recalculate breakdown donut segments
recalculateAngles();
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233
// update customize legend markers
updateLegendMarkers();
Jani Honkonen
Refactored donutbreakdown example
 r1875 }
//![2]
Jani Honkonen
Update donutbreakdown example docs
 r1888 //![3]
Jani Honkonen
Refactored donutbreakdown example
 r1875 void DonutBreakdownChart::recalculateAngles()
{
qreal angle = 0;
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 foreach (QPieSlice *slice, m_mainSeries->slices()) {
QPieSeries *breakdownSeries = qobject_cast<MainSlice *>(slice)->breakdownSeries();
breakdownSeries->setPieStartAngle(angle);
angle += slice->percentage() * 360.0; // full pie is 360.0
breakdownSeries->setPieEndAngle(angle);
Jani Honkonen
Refactored donutbreakdown example
 r1875 }
}
Jani Honkonen
Update donutbreakdown example docs
 r1888 //![3]
Jani Honkonen
Refactored donutbreakdown example
 r1875
Jani Honkonen
Update donutbreakdown example docs
 r1888 //![4]
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 void DonutBreakdownChart::updateLegendMarkers()
Jani Honkonen
Refactored donutbreakdown example
 r1875 {
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 // go through all markers
Jani Honkonen
Update donutbreakdown example docs
 r1888 foreach (QAbstractSeries *series, QChart::series()) {
Jani Honkonen
donutbreakdown example now has customized legendmarkers
 r2233 foreach (QLegendMarker *marker, legend()->markers(series)) {
QPieLegendMarker *pieMarker = qobject_cast<QPieLegendMarker *>(marker);
if (series == m_mainSeries) {
// hide markers from main series
pieMarker->setVisible(false);
} else {
// modify markers from breakdown series
pieMarker->setLabel(QString("%1 %2%")
.arg(pieMarker->slice()->label())
.arg(pieMarker->slice()->percentage() * 100, 0, 'f', 2));
pieMarker->setFont(QFont("Arial", 8));
}
}
Jani Honkonen
Refactored donutbreakdown example
 r1875 }
}
Jani Honkonen
Update donutbreakdown example docs
 r1888 //![4]