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39
40
41#ifndef QDIAL_H
42#define QDIAL_H
43
44#include <QtWidgets/qtwidgetsglobal.h>
45
46#include <QtWidgets/qabstractslider.h>
47
48QT_REQUIRE_CONFIG(dial);
49
50QT_BEGIN_NAMESPACE
51
52class QDialPrivate;
53class QStyleOptionSlider;
54
55class Q_WIDGETS_EXPORT QDial: public QAbstractSlider
56{
57 Q_OBJECT
58
59 Q_PROPERTY(bool wrapping READ wrapping WRITE setWrapping)
60 Q_PROPERTY(int notchSize READ notchSize)
61 Q_PROPERTY(qreal notchTarget READ notchTarget WRITE setNotchTarget)
62 Q_PROPERTY(bool notchesVisible READ notchesVisible WRITE setNotchesVisible)
63public:
64 explicit QDial(QWidget *parent = nullptr);
65
66 ~QDial();
67
68 bool wrapping() const;
69
70 int notchSize() const;
71
72 void setNotchTarget(double target);
73 qreal notchTarget() const;
74 bool notchesVisible() const;
75
76 QSize sizeHint() const override;
77 QSize minimumSizeHint() const override;
78
79public Q_SLOTS:
80 void setNotchesVisible(bool visible);
81 void setWrapping(bool on);
82
83protected:
84 bool event(QEvent *e) override;
85 void resizeEvent(QResizeEvent *re) override;
86 void paintEvent(QPaintEvent *pe) override;
87
88 void mousePressEvent(QMouseEvent *me) override;
89 void mouseReleaseEvent(QMouseEvent *me) override;
90 void mouseMoveEvent(QMouseEvent *me) override;
91
92 void sliderChange(SliderChange change) override;
93 void initStyleOption(QStyleOptionSlider *option) const;
94
95
96private:
97 Q_DECLARE_PRIVATE(QDial)
98 Q_DISABLE_COPY(QDial)
99};
100
101QT_END_NAMESPACE
102
103#endif // QDIAL_H
104

source code of qtbase/src/widgets/widgets/qdial.h