kqtquickcharts/src/xychartpoint.h

0001 /*
0002  *  Copyright 2015  Jesper Hellesø Hansen <jesperhh@gmail.com>
0003  *
0004  *  This library is free software; you can redistribute it and/or
0005  *  modify it under the terms of the GNU Lesser General Public
0006  *  License as published by the Free Software Foundation; either
0007  *  version 2.1 of the License, or (at your option) version 3, or any
0008  *  later version accepted by the membership of KDE e.V. (or its
0009  *  successor approved by the membership of KDE e.V.), which shall
0010  *  act as a proxy defined in Section 6 of version 3 of the license.
0011  *
0012  *  This library is distributed in the hope that it will be useful,
0013  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
0014  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0015  *  Lesser General Public License for more details.
0016  *
0017  *  You should have received a copy of the GNU Lesser General Public
0018  */
0019
0020 #ifndef XYCHARTPOINT_H
0021 #define XYCHARTPOINT_H
0022
0023 #include <QQuickPaintedItem>
0024
0025 class XYChartCore;
0026 class XYChartBackgroundPainter;
0027
0028 class XYChartPoint : public QQuickPaintedItem
0029 {
0030     Q_OBJECT
0031     Q_PROPERTY(XYChartCore* xyChartCore READ xyChartCore WRITE setXYChartCore NOTIFY xyChartCoreChanged)
0032     Q_PROPERTY(XYChartBackgroundPainter* backgroundPainter READ backgroundPainter WRITE setBackgroundPainter NOTIFY backgroundPainterChanged)
0033     Q_PROPERTY(int dimension READ dimension WRITE setDimension NOTIFY dimensionChanged)
0034     Q_PROPERTY(int row READ row WRITE setRow NOTIFY rowChanged)
0035     Q_PROPERTY(QString text READ text NOTIFY textChanged)
0036 public:
0037     explicit XYChartPoint(QQuickItem* parent = nullptr);
0038     XYChartCore* xyChartCore() const;
0039     void setXYChartCore(XYChartCore* xyChartCore);
0040     XYChartBackgroundPainter* backgroundPainter() const;
0041     void setBackgroundPainter(XYChartBackgroundPainter* backgroundPainter);
0042     int dimension() const;
0043     void setDimension(int dimension);
0044     int row() const;
0045     void setRow(int row);
0046     QString text() const;
0047     void paint(QPainter* painter) override;
0048 Q_SIGNALS:
0049     void xyChartCoreChanged();
0050     void backgroundPainterChanged();
0051     void dimensionChanged();
0052     void rowChanged();
0053     void textChanged();
0054     void maxYChanged();
0055 private Q_SLOTS:
0056     void triggerUpdate();
0057 private:
0058     void updateGeometry();
0059     bool valid() const;
0060     XYChartCore* m_xyChartCore;
0061     XYChartBackgroundPainter* m_backgroundPainter;
0062     int m_dimension;
0063     int m_row;
0064 };
0065
0066 #endif // XYCHARTPOINT_H