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39 
40 #ifndef QGROUPBOX_H
41 #define QGROUPBOX_H
42 
43 #include <QtWidgets/qtwidgetsglobal.h>
44 #include <QtWidgets/qframe.h>
45 
46 QT_REQUIRE_CONFIG(groupbox);
47 
48 QT_BEGIN_NAMESPACE
49 
50 class QGroupBoxPrivate;
51 class QStyleOptionGroupBox;
52 class Q_WIDGETS_EXPORT QGroupBox : public QWidget
53 {
54     Q_OBJECT
55 
56     Q_PROPERTY(QString title READ title WRITE setTitle)
57     Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
58     Q_PROPERTY(bool flat READ isFlat WRITE setFlat)
59     Q_PROPERTY(bool checkable READ isCheckable WRITE setCheckable)
60     Q_PROPERTY(bool checked READ isChecked WRITE setChecked NOTIFY toggled USER true)
61 public:
62     explicit QGroupBox(QWidget *parent = nullptr);
63     explicit QGroupBox(const QString &title, QWidget *parent = nullptr);
64     ~QGroupBox();
65 
66     QString title() const;
67     void setTitle(const QString &title);
68 
69     Qt::Alignment alignment() const;
70     void setAlignment(int alignment);
71 
72     QSize minimumSizeHint() const override;
73 
74     bool isFlat() const;
75     void setFlat(bool flat);
76     bool isCheckable() const;
77     void setCheckable(bool checkable);
78     bool isChecked() const;
79 
80 public Q_SLOTS:
81     void setChecked(bool checked);
82 
83 Q_SIGNALS:
84     void clicked(bool checked = false);
85     void toggled(bool);
86 
87 protected:
88     bool event(QEvent *event) override;
89     void childEvent(QChildEvent *event) override;
90     void resizeEvent(QResizeEvent *event) override;
91     void paintEvent(QPaintEvent *event) override;
92     void focusInEvent(QFocusEvent *event) override;
93     void changeEvent(QEvent *event) override;
94     void mousePressEvent(QMouseEvent *event) override;
95     void mouseMoveEvent(QMouseEvent *event) override;
96     void mouseReleaseEvent(QMouseEvent *event) override;
97     void initStyleOption(QStyleOptionGroupBox *option) const;
98 
99 
100 private:
101     Q_DISABLE_COPY(QGroupBox)
102     Q_DECLARE_PRIVATE(QGroupBox)
103     Q_PRIVATE_SLOT(d_func(), void _q_setChildrenEnabled(bool b))
104 };
105 
106 QT_END_NAMESPACE
107 
108 #endif // QGROUPBOX_H
109