qwt_polar_picker.h
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1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2  * QwtPolar Widget Library
3  * Copyright (C) 2008 Uwe Rathmann
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the Qwt License, Version 1.0
7  *****************************************************************************/
8 
9 #ifndef QWT_POLAR_PICKER_H
10 #define QWT_POLAR_PICKER_H
11 
12 #include "qwt_global.h"
13 #include "qwt_picker.h"
14 
15 #include <qvector.h>
16 #include <qpainterpath.h>
17 
18 class QwtPolarPlot;
19 class QwtPolarCanvas;
20 class QwtPointPolar;
21 
29 {
30  Q_OBJECT
31 
32 public:
33  explicit QwtPolarPicker( QwtPolarCanvas * );
34  virtual ~QwtPolarPicker();
35 
36  explicit QwtPolarPicker(
37  RubberBand rubberBand, DisplayMode trackerMode,
38  QwtPolarCanvas * );
39 
40  QwtPolarPlot *plot();
41  const QwtPolarPlot *plot() const;
42 
43  QwtPolarCanvas *canvas();
44  const QwtPolarCanvas *canvas() const;
45 
46  virtual QRect pickRect() const;
47 
48 Q_SIGNALS:
49 
54  void selected( const QwtPointPolar &pos );
55 
62  void selected( const QVector<QwtPointPolar> &points );
63 
70  void appended( const QwtPointPolar &pos );
71 
79  void moved( const QwtPointPolar &pos );
80 
81 protected:
82  QwtPointPolar invTransform( const QPoint & ) const;
83 
84  virtual QwtText trackerText( const QPoint & ) const QWT_OVERRIDE;
85  virtual QwtText trackerTextPolar( const QwtPointPolar & ) const;
86 
87  virtual void move( const QPoint & ) QWT_OVERRIDE;
88  virtual void append( const QPoint & ) QWT_OVERRIDE;
89  virtual bool end( bool ok = true ) QWT_OVERRIDE;
90 
91 private:
92  virtual QPainterPath pickArea() const QWT_OVERRIDE;
93 
94  class PrivateData;
96 };
97 
98 #endif
virtual bool end(bool ok=true)
Close a selection setting the state to inactive.
DisplayMode
Display mode.
Definition: qwt_picker.h:162
A plotting widget, displaying a polar coordinate system.
A point in polar coordinates.
#define QWT_EXPORT
Definition: qwt_global.h:38
void selected(const QPolygon &polygon)
void moved(const QPoint &pos)
virtual QPainterPath pickArea() const
PrivateData * d_data
A class representing a text.
Definition: qwt_text.h:51
virtual void move(const QPoint &)
Canvas of a QwtPolarPlot.
void appended(const QPoint &pos)
QwtPolarPicker provides selections on a plot canvas.
virtual QwtText trackerText(const QPoint &pos) const
Return the label for a position.
Definition: qwt_picker.cpp:502
QwtPicker provides selections on a widget.
Definition: qwt_picker.h:104
#define QWT_OVERRIDE
Definition: qwt_global.h:53
virtual void append(const QPoint &)


plotjuggler
Author(s): Davide Faconti
autogenerated on Sun Dec 6 2020 03:48:10