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39
40#ifndef QABSTRACTSLIDER_H
41#define QABSTRACTSLIDER_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtWidgets/qwidget.h>
45
46QT_REQUIRE_CONFIG(abstractslider);
47
48QT_BEGIN_NAMESPACE
49
50
51class QAbstractSliderPrivate;
52
53class Q_WIDGETS_EXPORT QAbstractSlider : public QWidget
54{
55 Q_OBJECT
56
57 Q_PROPERTY(int minimum READ minimum WRITE setMinimum)
58 Q_PROPERTY(int maximum READ maximum WRITE setMaximum)
59 Q_PROPERTY(int singleStep READ singleStep WRITE setSingleStep)
60 Q_PROPERTY(int pageStep READ pageStep WRITE setPageStep)
61 Q_PROPERTY(int value READ value WRITE setValue NOTIFY valueChanged USER true)
62 Q_PROPERTY(int sliderPosition READ sliderPosition WRITE setSliderPosition NOTIFY sliderMoved)
63 Q_PROPERTY(bool tracking READ hasTracking WRITE setTracking)
64 Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
65 Q_PROPERTY(bool invertedAppearance READ invertedAppearance WRITE setInvertedAppearance)
66 Q_PROPERTY(bool invertedControls READ invertedControls WRITE setInvertedControls)
67 Q_PROPERTY(bool sliderDown READ isSliderDown WRITE setSliderDown DESIGNABLE false)
68
69public:
70 explicit QAbstractSlider(QWidget *parent = nullptr);
71 ~QAbstractSlider();
72
73 Qt::Orientation orientation() const;
74
75 void setMinimum(int);
76 int minimum() const;
77
78 void setMaximum(int);
79 int maximum() const;
80
81 void setSingleStep(int);
82 int singleStep() const;
83
84 void setPageStep(int);
85 int pageStep() const;
86
87 void setTracking(bool enable);
88 bool hasTracking() const;
89
90 void setSliderDown(bool);
91 bool isSliderDown() const;
92
93 void setSliderPosition(int);
94 int sliderPosition() const;
95
96 void setInvertedAppearance(bool);
97 bool invertedAppearance() const;
98
99 void setInvertedControls(bool);
100 bool invertedControls() const;
101
102 enum SliderAction {
103 SliderNoAction,
104 SliderSingleStepAdd,
105 SliderSingleStepSub,
106 SliderPageStepAdd,
107 SliderPageStepSub,
108 SliderToMinimum,
109 SliderToMaximum,
110 SliderMove
111 };
112
113 int value() const;
114
115 void triggerAction(SliderAction action);
116
117public Q_SLOTS:
118 void setValue(int);
119 void setOrientation(Qt::Orientation);
120 void setRange(int min, int max);
121
122Q_SIGNALS:
123 void valueChanged(int value);
124
125 void sliderPressed();
126 void sliderMoved(int position);
127 void sliderReleased();
128
129 void rangeChanged(int min, int max);
130
131 void actionTriggered(int action);
132
133protected:
134 bool event(QEvent *e) override;
135
136 void setRepeatAction(SliderAction action, int thresholdTime = 500, int repeatTime = 50);
137 SliderAction repeatAction() const;
138
139 enum SliderChange {
140 SliderRangeChange,
141 SliderOrientationChange,
142 SliderStepsChange,
143 SliderValueChange
144 };
145 virtual void sliderChange(SliderChange change);
146
147 void keyPressEvent(QKeyEvent *ev) override;
148 void timerEvent(QTimerEvent *) override;
149#if QT_CONFIG(wheelevent)
150 void wheelEvent(QWheelEvent *e) override;
151#endif
152 void changeEvent(QEvent *e) override;
153
154
155protected:
156 QAbstractSlider(QAbstractSliderPrivate &dd, QWidget *parent = nullptr);
157
158private:
159 Q_DISABLE_COPY(QAbstractSlider)
160 Q_DECLARE_PRIVATE(QAbstractSlider)
161};
162
163QT_END_NAMESPACE
164
165#endif // QABSTRACTSLIDER_H
166

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