Qt 4.8
qdial.h
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41 
42 
43 #ifndef QDIAL_H
44 #define QDIAL_H
45 
46 #include <QtGui/qabstractslider.h>
47 
49 
51 
52 QT_MODULE(Gui)
53 
54 #ifndef QT_NO_DIAL
55 
56 class QDialPrivate;
57 class QStyleOptionSlider;
58 
60 {
61  Q_OBJECT
62 
63  bool wrapping;
64  int notchSize;
67 public:
68  explicit QDial(QWidget *parent = 0);
69 
70  ~QDial();
71 
72  bool wrapping() const;
73 
74  int notchSize() const;
75 
76  void setNotchTarget(double target);
77  qreal notchTarget() const;
78  bool notchesVisible() const;
79 
80  QSize sizeHint() const;
81  QSize minimumSizeHint() const;
82 
83 public Q_SLOTS:
84  void setNotchesVisible(bool visible);
85  void setWrapping(bool on);
86 
87 protected:
88  bool event(QEvent *e);
89  void resizeEvent(QResizeEvent *re);
90  void paintEvent(QPaintEvent *pe);
91 
92  void mousePressEvent(QMouseEvent *me);
94  void mouseMoveEvent(QMouseEvent *me);
95 
96  void sliderChange(SliderChange change);
97  void initStyleOption(QStyleOptionSlider *option) const;
98 
99 public:
100 #ifdef QT3_SUPPORT
101  QT3_SUPPORT_CONSTRUCTOR QDial(int minValue, int maxValue, int pageStep, int value,
102  QWidget* parent = 0, const char* name = 0);
103  QT3_SUPPORT_CONSTRUCTOR QDial(QWidget *parent, const char *name);
104 
105 Q_SIGNALS:
106  QT_MOC_COMPAT void dialPressed();
107  QT_MOC_COMPAT void dialMoved(int value);
108  QT_MOC_COMPAT void dialReleased();
109 #endif
110 
111 private:
114 };
115 
116 #endif // QT_NO_DIAL
117 
119 
121 
122 #endif // QDIAL_H
#define QT_MOC_COMPAT
Definition: qglobal.h:1128
int notchSize
the current notch size
Definition: qdial.h:64
double qreal
Definition: qglobal.h:1193
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
virtual void sliderChange(SliderChange change)
Reimplement this virtual function to track slider changes such as SliderRangeChange ...
#define QT_MODULE(x)
Definition: qglobal.h:2783
virtual QSize minimumSizeHint() const
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
bool event(QEvent *e)
Reimplemented Function
virtual void mouseReleaseEvent(QMouseEvent *)
This event handler, for event event, can be reimplemented in a subclass to receive mouse release even...
Definition: qwidget.cpp:9286
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
virtual void mousePressEvent(QMouseEvent *)
This event handler, for event event, can be reimplemented in a subclass to receive mouse press events...
Definition: qwidget.cpp:9261
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
virtual void resizeEvent(QResizeEvent *)
This event handler can be reimplemented in a subclass to receive widget resize events which are passe...
Definition: qwidget.cpp:9587
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
#define Q_SLOTS
Definition: qobjectdefs.h:71
#define Q_SIGNALS
Definition: qobjectdefs.h:72
qreal notchTarget
the target number of pixels between notches
Definition: qdial.h:65
virtual QSize sizeHint() const
bool notchesVisible
whether the notches are shown
Definition: qdial.h:66
virtual void paintEvent(QPaintEvent *)
This event handler can be reimplemented in a subclass to receive paint events passed in event...
Definition: qwidget.cpp:9548
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
const char * name
The QResizeEvent class contains event parameters for resize events.
Definition: qevent.h:349
#define Q_OBJECT
Definition: qobjectdefs.h:157
The QMouseEvent class contains parameters that describe a mouse event.
Definition: qevent.h:85
bool wrapping
whether wrapping is enabled
Definition: qdial.h:63
The QAbstractSlider class provides an integer value within a range.
The QDial class provides a rounded range control (like a speedometer or potentiometer).
Definition: qdial.h:59
The QStyleOptionSlider class is used to describe the parameters needed for drawing a slider...
Definition: qstyleoption.h:701
The QSize class defines the size of a two-dimensional object using integer point precision.
Definition: qsize.h:53
#define Q_DECLARE_PRIVATE(Class)
Definition: qglobal.h:2467
virtual void mouseMoveEvent(QMouseEvent *)
This event handler, for event event, can be reimplemented in a subclass to receive mouse move events ...
Definition: qwidget.cpp:9239
The QPaintEvent class contains event parameters for paint events.
Definition: qevent.h:298
The QEvent class is the base class of all event classes.
Definition: qcoreevent.h:56
#define QT_END_HEADER
Definition: qglobal.h:137