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50 
51 //! [0]
52 #ifndef LCDNUMBER_H
53 //! [0] //! [1]
54 #define LCDNUMBER_H
55 //! [1]
56 
57 //! [2]
58 #include <QFrame>
59 //! [2]
60 
61 //! [3]
62 class LcdNumber : public QFrame
63 //! [3] //! [4]
64 {
65 //! [4] //! [5]
66     Q_OBJECT
67 //! [5]
68 
69 //! [6]
70 public:
71 //! [6] //! [7]
72     LcdNumber(QWidget *parent = nullptr);
73 //! [7]
74 
75 //! [8]
76 signals:
77 //! [8] //! [9]
78     void overflow();
79 //! [9]
80 
81 //! [10]
82 public slots:
83 //! [10] //! [11]
84     void display(int num);
85     void display(double num);
86     void display(const QString &str);
87     void setHexMode();
88     void setDecMode();
89     void setOctMode();
90     void setBinMode();
91     void setSmallDecimalPoint(bool point);
92 //! [11] //! [12]
93 };
94 //! [12]
95 
96 //! [13]
97 #endif
98 //! [13]
99