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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.io
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**
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****************************************************************************/
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#ifndef GRID_H_
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#define GRID_H_
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#include "model.h"
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#include <QtWidgets/QGraphicsWidget>
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#include <QtCharts/QChartGlobal>
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class QGraphicsGridLayout;
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class Chart;
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QT_CHARTS_BEGIN_NAMESPACE
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class QChart;
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QT_CHARTS_END_NAMESPACE
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QT_CHARTS_USE_NAMESPACE
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class Grid : public QGraphicsWidget
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{
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Q_OBJECT
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public:
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enum State { NoState = 0, ZoomState, ScrollState};
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Grid(int size, QGraphicsItem *parent = 0);
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~Grid();
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QList<QChart *> charts();
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void createCharts(const QString &category = QString());
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void createCharts(const QString &category, const QString &subcategory, const QString &name);
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void replaceChart(QChart *oldChart, Chart *newChart);
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void setState(State state);
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State state() const { return m_state; };
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void setRubberPen(const QPen &pen);
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void setSize(int size);
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int size() const {return m_size;}
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Q_SIGNALS:
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void chartSelected(QChart *chart);
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protected:
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void mousePressEvent(QGraphicsSceneMouseEvent *event);
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void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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private:
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void clear();
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private:
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int m_listCount;
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int m_valueMax;
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int m_valueCount;
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int m_size;
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DataTable m_dataTable;
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QHash<QChart *, int> m_chartHash;
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QHash<int, QChart *> m_chartHashRev;
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State m_state;
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State m_currentState;
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QPointF m_origin;
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QGraphicsRectItem *m_rubberBand;
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QGraphicsGridLayout *m_gridLayout;
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};
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#endif /* GRID_H_ */
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