##// END OF EJS Templates
Added parametric zoom on QChart....
Added parametric zoom on QChart. Signed-off-by: jeandet <alexis.jeandet@member.fsf.org>

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grid.h
94 lines | 2.8 KiB | text/x-c | CLexer
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r2854 /****************************************************************************
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r2127 **
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r2854 ** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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r2127 **
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r2854 ** This file is part of the Qt Charts module of the Qt Toolkit.
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r2127 **
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r2854 ** $QT_BEGIN_LICENSE:GPL$
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r2845 ** 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
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Updated license...
r2854 ** 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
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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r2127 **
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r2845 ** $QT_END_LICENSE$
**
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r2854 ****************************************************************************/
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r2127
#ifndef GRID_H_
#define GRID_H_
#include "model.h"
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r2714 #include <QtWidgets/QGraphicsWidget>
#include <QtCharts/QChartGlobal>
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r2127
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r2774 QT_BEGIN_NAMESPACE
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r2127 class QGraphicsGridLayout;
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r2774 QT_END_NAMESPACE
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r2127 class Chart;
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r2712 QT_CHARTS_BEGIN_NAMESPACE
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r2127 class QChart;
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r2712 QT_CHARTS_END_NAMESPACE
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r2127
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r2712 QT_CHARTS_USE_NAMESPACE
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r2127
class Grid : public QGraphicsWidget
{
Q_OBJECT
public:
enum State { NoState = 0, ZoomState, ScrollState};
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r2130
Grid(int size, QGraphicsItem *parent = 0);
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r2127 ~Grid();
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QList<QChart *> charts();
void createCharts(const QString &category = QString());
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r2135 void createCharts(const QString &category, const QString &subcategory, const QString &name);
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r2130 void replaceChart(QChart *oldChart, Chart *newChart);
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r2127 void setState(State state);
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r2128 State state() const { return m_state; };
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r2130 void setRubberPen(const QPen &pen);
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r2128 void setSize(int size);
int size() const {return m_size;}
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r2130
Q_SIGNALS:
void chartSelected(QChart *chart);
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r2127 protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
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r2130
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r2127 private:
void clear();
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r2130
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r2127 private:
int m_listCount;
int m_valueMax;
int m_valueCount;
int m_size;
DataTable m_dataTable;
QHash<QChart *, int> m_chartHash;
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r2135 QHash<int, QChart *> m_chartHashRev;
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r2127 State m_state;
State m_currentState;
QPointF m_origin;
QGraphicsRectItem *m_rubberBand;
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r2130 QGraphicsGridLayout *m_gridLayout;
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r2127 };
#endif /* GRID_H_ */