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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_PLOT_CLASSES_H
#define QWT_PLOT_CLASSES_H
#include "qwt_global.h"
#include "qwt_plot_item.h"
#include "qwt_marker.h"
#include "qwt_curve.h"
#include "qwt_grid.h"
/*!
\brief Curve class for QwtPlot
*/
class QWT_EXPORT QwtPlotCurve: public QwtCurve, public QwtPlotMappedItem
{
public:
//! Constructor
QwtPlotCurve(QwtPlot* parent, const QString &title = QString::null):
QwtCurve(title),
QwtPlotMappedItem(parent)
{}
//! Assignment
const QwtPlotCurve& operator=(const QwtPlotCurve &c)
{
QwtPlotMappedItem::operator=((const QwtPlotMappedItem &)c);
QwtCurve::operator=(c);
return *this;
}
//! Calls itemChanged()
virtual void curveChanged() { itemChanged(); }
};
/*!
\brief Grid class for QwtPlot
*/
class QWT_EXPORT QwtPlotGrid: public QwtGrid, public QwtPlotMappedItem
{
public:
//! Constructor
QwtPlotGrid(QwtPlot *parent):
QwtPlotMappedItem(parent) {}
//! Calls itemChanged()
virtual void gridChanged() { itemChanged(); }
};
/*!
\brief Marker class for QwtPlot
*/
class QWT_EXPORT QwtPlotMarker: public QwtMarker, public QwtPlotMappedItem
{
public:
//! Constructor
QwtPlotMarker(QwtPlot *parent):
QwtPlotMappedItem(parent),
d_xValue(0.0),
d_yValue(0.0)
{}
//! Return x Value
double xValue() const { return d_xValue; }
//! Return y Value
double yValue() const { return d_yValue; }
//! Set X Value
void setXValue(double val) { d_xValue = val; markerChanged(); }
//! Set Y Value
void setYValue(double val) { d_yValue = val; markerChanged(); }
//! Calls itemChanged()
virtual void markerChanged() { itemChanged(); }
private:
double d_xValue;
double d_yValue;
};
#endif
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