You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
3 weeks ago
|
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
|
||
|
|
* QwtPolar Widget Library
|
||
|
|
* Copyright (C) 2008 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_POLAR_PICKER_H
|
||
|
|
#define QWT_POLAR_PICKER_H
|
||
|
|
|
||
|
|
#include "qwt_polar_global.h"
|
||
|
|
#include "qwt_picker.h"
|
||
|
|
#include <qvector.h>
|
||
|
|
#include <qpainterpath.h>
|
||
|
|
|
||
|
|
class QwtPolarPlot;
|
||
|
|
class QwtPolarCanvas;
|
||
|
|
class QwtPointPolar;
|
||
|
|
|
||
|
|
/*!
|
||
|
|
\brief QwtPolarPicker provides selections on a plot canvas
|
||
|
|
|
||
|
|
QwtPolarPicker is a QwtPicker tailored for selections on
|
||
|
|
a polar plot canvas.
|
||
|
|
*/
|
||
|
|
|
||
|
|
class QWT_POLAR_EXPORT QwtPolarPicker: public QwtPicker
|
||
|
|
{
|
||
|
|
Q_OBJECT
|
||
|
|
|
||
|
|
public:
|
||
|
|
explicit QwtPolarPicker( QwtPolarCanvas * );
|
||
|
|
virtual ~QwtPolarPicker();
|
||
|
|
|
||
|
|
explicit QwtPolarPicker(
|
||
|
|
RubberBand rubberBand, DisplayMode trackerMode,
|
||
|
|
QwtPolarCanvas * );
|
||
|
|
|
||
|
|
QwtPolarPlot *plot();
|
||
|
|
const QwtPolarPlot *plot() const;
|
||
|
|
|
||
|
|
QwtPolarCanvas *canvas();
|
||
|
|
const QwtPolarCanvas *canvas() const;
|
||
|
|
|
||
|
|
virtual QRect pickRect() const;
|
||
|
|
|
||
|
|
Q_SIGNALS:
|
||
|
|
|
||
|
|
/*!
|
||
|
|
A signal emitted in case of selectionFlags() & PointSelection.
|
||
|
|
\param pos Selected point
|
||
|
|
*/
|
||
|
|
void selected( const QwtPointPolar &pos );
|
||
|
|
|
||
|
|
/*!
|
||
|
|
A signal emitting the selected points,
|
||
|
|
at the end of a selection.
|
||
|
|
|
||
|
|
\param points Selected points
|
||
|
|
*/
|
||
|
|
void selected( const QVector<QwtPointPolar> &points );
|
||
|
|
|
||
|
|
/*!
|
||
|
|
A signal emitted when a point has been appended to the selection
|
||
|
|
|
||
|
|
\param pos Position of the appended point.
|
||
|
|
\sa append(). moved()
|
||
|
|
*/
|
||
|
|
void appended( const QwtPointPolar &pos );
|
||
|
|
|
||
|
|
/*!
|
||
|
|
A signal emitted whenever the last appended point of the
|
||
|
|
selection has been moved.
|
||
|
|
|
||
|
|
\param pos Position of the moved last point of the selection.
|
||
|
|
\sa move(), appended()
|
||
|
|
*/
|
||
|
|
void moved( const QwtPointPolar &pos );
|
||
|
|
|
||
|
|
protected:
|
||
|
|
QwtPointPolar invTransform( const QPoint & ) const;
|
||
|
|
|
||
|
|
virtual QwtText trackerText( const QPoint & ) const;
|
||
|
|
virtual QwtText trackerTextPolar( const QwtPointPolar & ) const;
|
||
|
|
|
||
|
|
virtual void move( const QPoint & );
|
||
|
|
virtual void append( const QPoint & );
|
||
|
|
virtual bool end( bool ok = true );
|
||
|
|
|
||
|
|
private:
|
||
|
|
virtual QPainterPath pickArea() const;
|
||
|
|
|
||
|
|
class PrivateData;
|
||
|
|
PrivateData *d_data;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|