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/****************************************************************************
**
** 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 "drilldownchart.h"
#include "drilldownslice.h"
#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtCore/QRandomGenerator>
#include <QtCharts/QChartView>
#include <QtCharts/QLegend>
#include <QtCharts/QPieSeries>
QT_CHARTS_USE_NAMESPACE
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QMainWindow window;
DrilldownChart *chart = new DrilldownChart();
chart->setTheme(QChart::ChartThemeLight);
chart->setAnimationOptions(QChart::AllAnimations);
chart->legend()->setVisible(true);
chart->legend()->setAlignment(Qt::AlignRight);
QPieSeries *yearSeries = new QPieSeries(&window);
yearSeries->setName("Sales by year - All");
const QStringList months = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
const QStringList names = {
"Jane", "John", "Axel", "Mary", "Susan", "Bob"
};
for (const QString &name : names) {
QPieSeries *series = new QPieSeries(&window);
series->setName("Sales by month - " + name);
for (const QString &month : months)
*series << new DrilldownSlice(QRandomGenerator::global()->bounded(1000), month, yearSeries);
QObject::connect(series, &QPieSeries::clicked, chart, &DrilldownChart::handleSliceClicked);
*yearSeries << new DrilldownSlice(series->sum(), name, series);
}
QObject::connect(yearSeries, &QPieSeries::clicked, chart, &DrilldownChart::handleSliceClicked);
chart->changeSeries(yearSeries);
QChartView *chartView = new QChartView(chart);
chartView->setRenderHint(QPainter::Antialiasing);
window.setCentralWidget(chartView);
window.resize(800, 500);
window.show();
return a.exec();
}
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