| /**************************************************************************** |
| ** |
| ** 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(); |
| } |