themewidget.h Example File | Qt Charts 5.12.8

- Qt 5.12
- Qt Charts
- Chart Themes Example
- themewidget.h Example File
- Qt Charts | Commercial or GPLv3

# themewidget.h Example File

chartthemes/themewidget.h

     /****************************************************************************
     **
     ** 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.
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     #ifndef THEMEWIDGET_H
     #define THEMEWIDGET_H

     #include <QtWidgets/QWidget>
     #include <QtCharts/QChartGlobal>

     class QComboBox;
     class QCheckBox;
     class Ui_ThemeWidgetForm;

     QT_CHARTS_BEGIN_NAMESPACE
     class QChartView;
     class QChart;
     QT_CHARTS_END_NAMESPACE

     typedef QPair<QPointF, QString> Data;
     typedef QList<Data> DataList;
     typedef QList<DataList> DataTable;

     QT_CHARTS_USE_NAMESPACE

     class ThemeWidget: public QWidget
     {
         Q_OBJECT
     public:
         explicit ThemeWidget(QWidget *parent = 0);
         ~ThemeWidget();

     private Q_SLOTS:
         void updateUI();

     private:
         DataTable generateRandomData(int listCount, int valueMax, int valueCount) const;
         void populateThemeBox();
         void populateAnimationBox();
         void populateLegendBox();
         void connectSignals();
         QChart *createAreaChart() const;
         QChart *createBarChart(int valueCount) const;
         QChart *createPieChart() const;
         QChart *createLineChart() const;
         QChart *createSplineChart() const;
         QChart *createScatterChart() const;

     private:
         int m_listCount;
         int m_valueMax;
         int m_valueCount;
         QList<QChartView *> m_charts;
         DataTable m_dataTable;

         Ui_ThemeWidgetForm *m_ui;
     };

     #endif /* THEMEWIDGET_H */