qwt_knob.h
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1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2  * Qwt Widget Library
3  * Copyright (C) 1997 Josef Wilgen
4  * Copyright (C) 2002 Uwe Rathmann
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the Qwt License, Version 1.0
8  *****************************************************************************/
9 
10 #ifndef QWT_KNOB_H
11 #define QWT_KNOB_H
12 
13 #include "qwt_global.h"
14 #include "qwt_abstract_slider.h"
15 
16 class QwtRoundScaleDraw;
17 
43 {
44  Q_OBJECT
45 
46  Q_ENUMS ( KnobStyle MarkerStyle )
47 
48  Q_PROPERTY( KnobStyle knobStyle READ knobStyle WRITE setKnobStyle )
49  Q_PROPERTY( int knobWidth READ knobWidth WRITE setKnobWidth )
50  Q_PROPERTY( Qt::Alignment alignment READ alignment WRITE setAlignment )
51  Q_PROPERTY( double totalAngle READ totalAngle WRITE setTotalAngle )
52  Q_PROPERTY( int numTurns READ numTurns WRITE setNumTurns )
53  Q_PROPERTY( MarkerStyle markerStyle READ markerStyle WRITE setMarkerStyle )
54  Q_PROPERTY( int markerSize READ markerSize WRITE setMarkerSize )
55  Q_PROPERTY( int borderWidth READ borderWidth WRITE setBorderWidth )
56 
57 public:
66  enum KnobStyle
67  {
70 
73 
79 
84  Styled
85  };
86 
96  {
98  NoMarker = -1,
99 
102 
105 
108 
114 
119  Notch
120  };
121 
122  explicit QwtKnob( QWidget* parent = NULL );
123  virtual ~QwtKnob();
124 
125  void setAlignment( Qt::Alignment );
126  Qt::Alignment alignment() const;
127 
128  void setKnobWidth( int );
129  int knobWidth() const;
130 
131  void setNumTurns( int );
132  int numTurns() const;
133 
134  void setTotalAngle ( double angle );
135  double totalAngle() const;
136 
137  void setKnobStyle( KnobStyle );
138  KnobStyle knobStyle() const;
139 
140  void setBorderWidth( int );
141  int borderWidth() const;
142 
143  void setMarkerStyle( MarkerStyle );
144  MarkerStyle markerStyle() const;
145 
146  void setMarkerSize( int );
147  int markerSize() const;
148 
149  virtual QSize sizeHint() const QWT_OVERRIDE;
150  virtual QSize minimumSizeHint() const QWT_OVERRIDE;
151 
152  void setScaleDraw( QwtRoundScaleDraw * );
153 
154  const QwtRoundScaleDraw *scaleDraw() const;
155  QwtRoundScaleDraw *scaleDraw();
156 
157  QRect knobRect() const;
158 
159 protected:
160  virtual void paintEvent( QPaintEvent * ) QWT_OVERRIDE;
161  virtual void changeEvent( QEvent * ) QWT_OVERRIDE;
162 
163  virtual void drawKnob( QPainter *, const QRectF & ) const;
164 
165  virtual void drawFocusIndicator( QPainter * ) const;
166 
167  virtual void drawMarker( QPainter *,
168  const QRectF &, double angle ) const;
169 
170  virtual double scrolledTo( const QPoint & ) const QWT_OVERRIDE;
171  virtual bool isScrollPosition( const QPoint & ) const QWT_OVERRIDE;
172 
173 private:
174  class PrivateData;
175  PrivateData *d_data;
176 };
177 
178 #endif
Paint a circle in QPalette::ButtonText color.
Definition: qwt_knob.h:107
Paint a triangle in QPalette::ButtonText color.
Definition: qwt_knob.h:104
#define QWT_EXPORT
Definition: qwt_global.h:38
The Knob Widget.
Definition: qwt_knob.h:42
MarkerStyle
Marker type.
Definition: qwt_knob.h:95
An abstract base class for slider widgets with a scale.
KnobStyle
Style of the knob surface.
Definition: qwt_knob.h:66
Paint a single tick in QPalette::ButtonText color.
Definition: qwt_knob.h:101
A class for drawing round scales.
Build a gradient from QPalette::Midlight and QPalette::Button.
Definition: qwt_knob.h:72
Fill the knob with a brush from QPalette::Button.
Definition: qwt_knob.h:69
#define QWT_OVERRIDE
Definition: qwt_global.h:53


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