##// END OF EJS Templates
Fix zooming...
Fix zooming If chart is zoomed only horizontally or vertically then the range for the other direction should not change. This is now checked by comparing the minimum and maximum values to the axis span. Change-Id: Icb5e14fc41afcedd7f75e60ca3ad6f699b053ae7 Task-number: QTRD-3399 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

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r2714:929d943d1aab
r2728:2e341eff31af
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grid.h
82 lines | 2.2 KiB | text/x-c | CLexer
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Enterprise Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef GRID_H_
#define GRID_H_
#include "model.h"
#include <QtWidgets/QGraphicsWidget>
#include <QtCharts/QChartGlobal>
class QGraphicsGridLayout;
class Chart;
QT_CHARTS_BEGIN_NAMESPACE
class QChart;
QT_CHARTS_END_NAMESPACE
QT_CHARTS_USE_NAMESPACE
class Grid : public QGraphicsWidget
{
Q_OBJECT
public:
enum State { NoState = 0, ZoomState, ScrollState};
Grid(int size, QGraphicsItem *parent = 0);
~Grid();
QList<QChart *> charts();
void createCharts(const QString &category = QString());
void createCharts(const QString &category, const QString &subcategory, const QString &name);
void replaceChart(QChart *oldChart, Chart *newChart);
void setState(State state);
State state() const { return m_state; };
void setRubberPen(const QPen &pen);
void setSize(int size);
int size() const {return m_size;}
Q_SIGNALS:
void chartSelected(QChart *chart);
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event);
void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
private:
void clear();
private:
int m_listCount;
int m_valueMax;
int m_valueCount;
int m_size;
DataTable m_dataTable;
QHash<QChart *, int> m_chartHash;
QHash<int, QChart *> m_chartHashRev;
State m_state;
State m_currentState;
QPointF m_origin;
QGraphicsRectItem *m_rubberBand;
QGraphicsGridLayout *m_gridLayout;
};
#endif /* GRID_H_ */