mainwidget.h Example File | Qt Charts 5.7

Qt 5.7 | Qt Charts | LegendMarkers Example | mainwidget.h Example File

Qt 5.7.1 Reference Documentation

# mainwidget.h Example File

legendmarkers/mainwidget.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
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      #ifndef MAINWIDGET_H
      #define MAINWIDGET_H

      #include <QtCharts/QChartGlobal>
      #include <QtCharts/QChart>
      #include <QtCharts/QChartView>
      #include <QtWidgets/QWidget>
      #include <QtWidgets/QGraphicsWidget>
      #include <QtWidgets/QGridLayout>
      #include <QtWidgets/QGraphicsGridLayout>
      #include <QtWidgets/QDoubleSpinBox>
      #include <QtWidgets/QGroupBox>
      #include <QtCharts/QLineSeries>

      QT_CHARTS_USE_NAMESPACE

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

      public slots:
          void addSeries();
          void removeSeries();
          void connectMarkers();
          void disconnectMarkers();

          void handleMarkerClicked();

      private:

          QChart *m_chart;
          QList<QLineSeries *> m_series;

          QChartView *m_chartView;
          QGridLayout *m_mainLayout;
          QGridLayout *m_fontLayout;

      };

      #endif // MAINWIDGET_H