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39 
40 #ifndef QPUSHBUTTON_H
41 #define QPUSHBUTTON_H
42 
43 #include <QtWidgets/qtwidgetsglobal.h>
44 #include <QtWidgets/qabstractbutton.h>
45 
46 QT_REQUIRE_CONFIG(pushbutton);
47 
48 QT_BEGIN_NAMESPACE
49 
50 
51 class QPushButtonPrivate;
52 class QMenu;
53 class QStyleOptionButton;
54 
55 class Q_WIDGETS_EXPORT QPushButton : public QAbstractButton
56 {
57     Q_OBJECT
58 
59     Q_PROPERTY(bool autoDefault READ autoDefault WRITE setAutoDefault)
60     Q_PROPERTY(bool default READ isDefault WRITE setDefault)
61     Q_PROPERTY(bool flat READ isFlat WRITE setFlat)
62 
63 public:
64     explicit QPushButton(QWidget *parent = nullptr);
65     explicit QPushButton(const QString &text, QWidget *parent = nullptr);
66     QPushButton(const QIcon& icon, const QString &text, QWidget *parent = nullptr);
67     ~QPushButton();
68 
69     QSize sizeHint() const override;
70     QSize minimumSizeHint() const override;
71 
72     bool autoDefault() const;
73     void setAutoDefault(bool);
74     bool isDefault() const;
75     void setDefault(bool);
76 
77 #if QT_CONFIG(menu)
78     void setMenu(QMenu* menu);
79     QMenu* menu() const;
80 #endif
81 
82     void setFlat(bool);
83     bool isFlat() const;
84 
85 public Q_SLOTS:
86 #if QT_CONFIG(menu)
87     void showMenu();
88 #endif
89 
90 protected:
91     bool event(QEvent *e) override;
92     void paintEvent(QPaintEvent *) override;
93     void keyPressEvent(QKeyEvent *) override;
94     void focusInEvent(QFocusEvent *) override;
95     void focusOutEvent(QFocusEvent *) override;
96     void initStyleOption(QStyleOptionButton *option) const;
97     bool hitButton(const QPoint &pos) const override;
98     QPushButton(QPushButtonPrivate &dd, QWidget* parent = nullptr);
99 
100 public:
101 
102 private:
103     Q_DISABLE_COPY(QPushButton)
104     Q_DECLARE_PRIVATE(QPushButton)
105 #if QT_CONFIG(menu)
106     Q_PRIVATE_SLOT(d_func(), void _q_popupPressed())
107 #endif
108 };
109 
110 QT_END_NAMESPACE
111 
112 #endif // QPUSHBUTTON_H
113