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39
40#ifndef QCHECKBOX_H
41#define QCHECKBOX_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtWidgets/qabstractbutton.h>
45
46QT_REQUIRE_CONFIG(checkbox);
47
48QT_BEGIN_NAMESPACE
49
50
51class QCheckBoxPrivate;
52class QStyleOptionButton;
53
54class Q_WIDGETS_EXPORT QCheckBox : public QAbstractButton
55{
56 Q_OBJECT
57
58 Q_PROPERTY(bool tristate READ isTristate WRITE setTristate)
59
60public:
61 explicit QCheckBox(QWidget *parent = nullptr);
62 explicit QCheckBox(const QString &text, QWidget *parent = nullptr);
63 ~QCheckBox();
64
65 QSize sizeHint() const override;
66 QSize minimumSizeHint() const override;
67
68 void setTristate(bool y = true);
69 bool isTristate() const;
70
71 Qt::CheckState checkState() const;
72 void setCheckState(Qt::CheckState state);
73
74Q_SIGNALS:
75 void stateChanged(int);
76
77protected:
78 bool event(QEvent *e) override;
79 bool hitButton(const QPoint &pos) const override;
80 void checkStateSet() override;
81 void nextCheckState() override;
82 void paintEvent(QPaintEvent *) override;
83 void mouseMoveEvent(QMouseEvent *) override;
84 virtual void initStyleOption(QStyleOptionButton *option) const;
85
86
87private:
88 Q_DECLARE_PRIVATE(QCheckBox)
89 Q_DISABLE_COPY(QCheckBox)
90 friend class QAccessibleButton;
91};
92
93QT_END_NAMESPACE
94
95#endif // QCHECKBOX_H
96