1 #define _CRT_SECURE_NO_WARNINGS
2 #include <iostream>
3 #include <boost/bind.hpp>
4 #include <boost/function.hpp>
5 #include <boost/signals2.hpp>//信号
6 #include <cstdlib>
7
8 using namespace std;
9 using namespace boost;
10
11 //信号模拟
12 class button
13 {
14 public:
15 void connect(void(*f)(int, int));
16 void Onclick();
17 private:
18 void(*pfun)(int, int);
19 };
20
21 void button::Onclick()
22 {
23 this->pfun(10, 20);
24 }
25
26 void button::connect(void(*f)(int, int))
27 {
28 //初始化函数指针
29 this->pfun = f;
30 }
31
32 void run(int x, int y)
33 {
34 cout << x << y << endl;
35 }
36
37 void main1()
38 {
39 button b1;
40 b1.connect(run);
41 while (1)
42 {
43 system("pause");
44 b1.Onclick();
45 }
46 cin.get();
47 }
48
49
50 class Button
51 {
52 //简化定义
53 private:
54 //函数
55 typedef signals2::signal<void(int, int)> Onclick;
56 //链接
57 typedef signals2::signal<void(int, int)>::slot_type OnSlottype;
58
59 public:
60 //链接
61 signals2::connection connect(const OnSlottype &type);
62 //解除链接
63 void disconnect0(const signals2::connection &type);
64 //按钮按下
65 void OnBnclick();
66
67 public:
68 signals2::connection connect_;//代表链接
69 Onclick onclick_;//代表链接的函数
70 };
71
72 //绑定到onclick_
73 signals2::connection Button::connect(const OnSlottype &type)
74 {
75 return connect_ = onclick_.connect(type);//链接
76 }
77
78 //解除链接
79 void Button::disconnect0(const signals2::connection &type)
80 {
81 //关闭一个链接
82 onclick_.disconnect(connect_);
83 //关闭所有的链接
84 //onclick_.disconnect_all_slots();
85 }
86
87 //按钮按下
88 void Button::OnBnclick()
89 {
90 onclick_(10, 20);
91 }
92
93
94 void main()
95 {
96 Button btn;
97 btn.connect(&run);
98 while (1)
99 {
100 system("pause");
101 btn.OnBnclick();
102 btn.disconnect0(btn.connect_);
103 }
104 cin.get();
105 }
