##// END OF EJS Templates
Refactors barchart axis hadnling...
Refactors barchart axis hadnling * renames some layout members * temporary axis handling via domain * changes layout to make categories between ticks

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domain_p.h
73 lines | 2.2 KiB | text/x-c | CLexer
#ifndef DOMAIN_H_
#define DOMAIN_H_
#include "qchartglobal.h"
#include "qchartaxis.h"
#include <QRectF>
#include <QSizeF>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class Domain: public QObject {
Q_OBJECT
public:
explicit Domain(QObject* object=0);
virtual ~Domain();
void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY);
void setRange(qreal minX, qreal maxX, qreal minY, qreal maxY, int tickXCount, int tickYCount);
void setRangeX(qreal min, qreal max);
void setRangeX(qreal min, qreal max, int tickCount);
void setRangeY(qreal min, qreal max);
void setRangeY(qreal min, qreal max, int tickCount);
void setMinX(qreal min);
void setMaxX(qreal max);
void setMinY(qreal min);
void setMaxY(qreal max);
qreal minX() const {return m_minX;};
qreal maxX() const {return m_maxX;};
qreal minY() const {return m_minY;};
qreal maxY() const {return m_maxY;};
qreal spanX() const;
qreal spanY() const;
bool isEmpty() const;
int tickXCount() const {return m_tickXCount;}
int tickYCount() const {return m_tickYCount;}
friend bool operator== (const Domain &domain1, const Domain &domain2);
friend bool operator!= (const Domain &domain1, const Domain &domain2);
friend QDebug operator<<(QDebug dbg, const Domain &domain);
void zoomIn(const QRectF& rect, const QSizeF& size);
void zoomOut(const QRectF& rect, const QSizeF& size);
void move(int dx,int dy,const QSizeF& size);
signals:
void domainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY);
void rangeXChanged(qreal min, qreal max, int tickXCount);
void rangeYChanged(qreal min, qreal max, int tickYCount);
public slots:
void handleAxisXChanged(qreal min,qreal max,int tickXCount,QChartAxis::LabelsSelection mode);
void handleAxisYChanged(qreal min,qreal max,int tickYCount,QChartAxis::LabelsSelection mode);
private:
void niceNumbers(qreal &min, qreal &max, int &ticksCount);
void looseNiceNumbers(qreal &min, qreal &max, int &ticksCount);
qreal niceNumber(qreal x,bool celing);
private:
qreal m_minX;
qreal m_maxX;
qreal m_minY;
qreal m_maxY;
int m_tickXCount;
int m_tickYCount;
QChartAxis::LabelsSelection m_selection;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif