main.cpp
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CppLexer
winter
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r0 | /**************************************************************************** | ||
** | ||||
** 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/QTime> | ||||
#include <QtCharts/QChartView> | ||||
#include <QtCharts/QLegend> | ||||
#include <QtCharts/QPieSeries> | ||||
QT_CHARTS_USE_NAMESPACE | ||||
int main(int argc, char *argv[]) | ||||
{ | ||||
QApplication a(argc, argv); | ||||
qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime())); | ||||
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"); | ||||
QList<QString> months; | ||||
months << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec"; | ||||
QList<QString> names; | ||||
names << "Jane" << "John" << "Axel" << "Mary" << "Susan" << "Bob"; | ||||
foreach (QString name, names) { | ||||
QPieSeries *series = new QPieSeries(&window); | ||||
series->setName("Sales by month - " + name); | ||||
foreach (QString month, months) | ||||
*series << new DrilldownSlice(qrand() % 1000, month, yearSeries); | ||||
QObject::connect(series, SIGNAL(clicked(QPieSlice*)), chart, SLOT(handleSliceClicked(QPieSlice*))); | ||||
*yearSeries << new DrilldownSlice(series->sum(), name, series); | ||||
} | ||||
QObject::connect(yearSeries, SIGNAL(clicked(QPieSlice*)), chart, SLOT(handleSliceClicked(QPieSlice*))); | ||||
chart->changeSeries(yearSeries); | ||||
QChartView *chartView = new QChartView(chart); | ||||
chartView->setRenderHint(QPainter::Antialiasing); | ||||
window.setCentralWidget(chartView); | ||||
window.resize(800, 500); | ||||
window.show(); | ||||
return a.exec(); | ||||
} | ||||