qt_demoe/third/qwtdemo/examples/stockchart/griditem.h

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2019-11-07 02:55:57 +00:00
#ifndef _GRID_ITEM_H_
#define _GRID_ITEM_H_
#include <qwt_plot_item.h>
#include <qwt_scale_div.h>
#include <qpalette.h>
class GridItem: public QwtPlotItem
{
public:
enum GridAttribute
{
AutoUpdate = 0x01,
FillCanvas = 0x02
};
typedef QFlags<GridAttribute> GridAttributes;
explicit GridItem();
virtual ~GridItem();
virtual int rtti() const;
void setGridAttribute( GridAttribute, bool on = true );
bool testGridAttribute( GridAttribute ) const;
void setOrientations( Qt::Orientations );
Qt::Orientations orientations() const;
void enableXMin( bool );
bool isXMinEnabled() const;
void enableYMin( bool );
bool isYMinEnabled() const;
void setXDiv( const QwtScaleDiv &sx );
const QwtScaleDiv &xScaleDiv() const;
void setYDiv( const QwtScaleDiv &sy );
const QwtScaleDiv &yScaleDiv() const;
void setPalette( const QPalette & );
QPalette palette() const;
virtual void draw( QPainter *p,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRectF &rect ) const;
virtual void updateScaleDiv(
const QwtScaleDiv &xMap, const QwtScaleDiv &yMap );
protected:
virtual QBrush brush( int row, int column, const QRectF & ) const;
private:
Qt::Orientations m_orientations;
GridAttributes m_gridAttributes;
QwtScaleDiv m_xScaleDiv;
QwtScaleDiv m_yScaleDiv;
bool m_isXMinEnabled;
bool m_isYMinEnabled;
QPalette m_palette;
};
Q_DECLARE_OPERATORS_FOR_FLAGS( GridItem::GridAttributes )
#endif