kqtquickcharts/src/linechartpainter.h

0001 /*
0002  *  Copyright 2014  Sebastian Gottfried <sebastiangottfried@web.de>
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 #ifndef LINECHARTPAINTER_H
0020 #define LINECHARTPAINTER_H
0021
0022 #include <QQuickPaintedItem>
0023
0024 class LineChartCore;
0025 class LineChartBackgroundPainter;
0026
0027 class LineChartPainter : public QQuickPaintedItem
0028 {
0029     Q_OBJECT
0030     Q_PROPERTY(LineChartCore* lineChartCore READ lineChartCore WRITE setLineChartCore NOTIFY lineChartCoreChanged)
0031     Q_PROPERTY(LineChartBackgroundPainter* backgroundPainter READ backgroundPainter WRITE setBackgroundPainter NOTIFY backgroundPainterChanged)
0032     Q_PROPERTY(int dimension READ dimension WRITE setDimension NOTIFY dimensionChanged)
0033 public:
0034     explicit LineChartPainter(QQuickItem* parent = nullptr);
0035     LineChartCore* lineChartCore() const;
0036     void setLineChartCore(LineChartCore* lineChartCore);
0037     LineChartBackgroundPainter* backgroundPainter() const;
0038     void setBackgroundPainter(LineChartBackgroundPainter* backgroundPainter);
0039     int dimension() const;
0040     void setDimension(int dimension);
0041     void paint(QPainter* painter) override;
0042 Q_SIGNALS:
0043     void lineChartCoreChanged();
0044     void backgroundPainterChanged();
0045     void dimensionChanged();
0046 private Q_SLOTS:
0047     void triggerUpdate();
0048 private:
0049     void updateWidth();
0050     LineChartCore* m_lineChartCore;
0051     LineChartBackgroundPainter* m_backgroundPainter;
0052     int m_dimension;
0053 };
0054
0055 #endif // LINECHARTPAINTER_H