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/******************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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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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** $QT_BEGIN_LICENSE:COMM$
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** $QT_END_LICENSE$
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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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QT_BEGIN_NAMESPACE
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class QGraphicsGridLayout;
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QT_END_NAMESPACE
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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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