这儿把窗口分成了4个区域，欢迎词条头部，输出聊天记录，好友列表，输入框。由于输出聊天记录与好友列表需用到其它目录（内存池）下的内容，我这儿是先把它单独编译，所以还无法实现其功能，之后整合后会补充。
此外，这儿还用到了另一开源库ncurses，可自行下载。
chat_window.h
1 #include<iostream>
2 #include<string>
3 #include<string.h>
4 #include<ncurses.h>
5
6 #define SIZE 1024
7
8 class chat_window
9 {
10 public:
11 chat_window();
12 ~chat_window();
13 void create_header();
14 void create_output();
15 void create_friendList();
16 void create_input();
17 WINDOW* create_newwin(int height,int width,int starty,int startx);
18 WINDOW* getHeader();
19 WINDOW* getOutput();
20 WINDOW* getFriendList();
21 WINDOW* getInput();
22 void fflush_win(WINDOW* p);
23 void clear_win_line(WINDOW* p,int begin,int lines);
24 void put_str_to_win(WINDOW* win,int starty,int startx,const std::string& msg);
25 std::string get_str_from_win(WINDOW* win);
26 void* drawHeader(void* arg);
27 void* drawOutput(void* arg);
28 void* drawFriendList(void* arg);
29 void* drawInput(void* arg);
30 //public:
31 private:
32 WINDOW* header;
33 WINDOW* output;
34 WINDOW* friendList;
35 WINDOW* input;
36 };
chat_window.cpp
1 #include "chat_window.h"
2
3 chat_window::chat_window()
4 {
5 initscr();
6 }
7 chat_window::~chat_window()
8 {
9 // destory_win(getHeader());//本来是打算封装一个函数来清除窗口，后来直接调用删除窗口的函数，没有封装
10 // destory_win(getOutput());
11 // destory_win(getFriendList());
12 // destory_win(getInput);
13
14 delwin(getHeader());
15 delwin(getOutput());
16 delwin(getFriendList());
17 delwin(getInput());
18 endwin();
19 }
20 void chat_window::create_header()
21 {
22 int _h=LINES/5;
23 int _w=COLS;
24 int _y=0;
25 int _x=0;
26
27 header=create_newwin(_h,_w,_y,_x);
28 fflush_win(header);
29 }
30 void chat_window::create_output()
31 {
32 int _h=(LINES*3)/5;
33 int _w=(COLS*3)/4;
34 int _y=LINES/5;
35 int _x=0;
36 output=create_newwin(_h,_w,_y,_x);
37 fflush_win(getOutput());
38 }
39 void chat_window::create_friendList()
40 {
41 int _h=(LINES*3)/5;
42 int _w=COLS/4;
43 int _y=LINES/5;
44 int _x=(COLS*3)/4;
45 friendList=create_newwin(_h,_w,_y,_x);
46 fflush_win(getFriendList());
47 }
48 void chat_window::create_input()
49 {
50 int _h=LINES/5;
51 int _w=COLS;
52 int _y=(LINES*4)/5;
53 int _x=0;
54 input=create_newwin(_h,_w,_y,_x);
55 fflush_win(getInput());
56 }
57 WINDOW* chat_window:: create_newwin(int height,int width,int starty,int star tx)
58 {
59 WINDOW* local_win=newwin(height,width,starty,startx);
60 box(local_win,0,0);
61 return local_win;
62 }
63 WINDOW* chat_window::getHeader()
64 {
65 return header;
66 }
67 WINDOW* chat_window::getOutput()
68 {
69 return output;
70 }
71 WINDOW* chat_window::getFriendList()
72 {
73 return friendList;
74 }
75 WINDOW* chat_window::getInput()
76 {
77 return input;
78 }
79 void chat_window::put_str_to_win(WINDOW* win,int starty,int startx,const std ::string& msg)
80 {
81 mvwaddstr(win,starty,startx,msg.c_str());
82 }
83 std::string chat_window::get_str_from_win(WINDOW* win)
84 {
85 char msg[SIZE];
86 memset(msg,‘\0‘,sizeof(msg));
87 wgetnstr(win,msg,SIZE);
88 return msg;
89 }
90 void chat_window::fflush_win(WINDOW* p)
91 {
92 box(p,0,0);
93 wrefresh(p);
94 }
95 void chat_window::clear_win_line(WINDOW* p,int begin,int lines)
96 {
97 while(lines--)
98 {
99 wmove(p,begin++,0);
100 wclrtoeol(p);
101 }
102 }
103 void* drawHeader(void* arg)
104 {
105 chat_window* winp=(chat_window*)arg;
106 std::string _msg="Welcome!";
107 winp->create_header();
108
109 int _max_y,_max_x;
110 getmaxyx(winp->getHeader(),_max_y,_max_x);
111 int _y=_max_y/2;
112 int _x=0;
113
114 while(1)
115 {
116 winp->put_str_to_win(winp->getHeader(),_y,_x,_msg);
117 winp->fflush_win(winp->getHeader());
118 usleep(100000);
119 winp->clear_win_line(winp->getHeader(),_y,2);
120 _x++;
121 _x%=_max_x;
122 }
123 }
124 void* drawOutput(void* arg)
125 {
126 chat_window* winp=(chat_window*)arg;
127 winp->create_output();
128 while(1)
129 {
130 winp->fflush_win(winp->getOutput());
131 usleep(1000000);
132 }
133 }
134 void* drawFriendList(void* arg)
135 {
136 chat_window* winp=(chat_window*)arg;
137 winp->create_friendList();
138 while(1)
139 {
140 winp->fflush_win(winp->getFriendList());
141 usleep(1000000);
142 }
143 }
144 void* drawInput(void* arg)
145 {
146 chat_window* winp=(chat_window*)arg;
147 winp->create_input();
148 std::string _msg="Please input# ";
149
150 int _max_y,_max_x;
151 getmaxyx(winp->getInput(),_max_y,_max_x);
152
153 while(1)
154 {
155 winp->put_str_to_win(winp->getInput(),1,1,_msg);
156 winp->fflush_win(winp->getInput());
157 winp->get_str_from_win(winp->getInput());
158 usleep(1000000);
159 winp->clear_win_line(winp->getInput(),1,_max_y-2);
160 }
161 }
162
163
164 int main()
165 {
166 chat_window _win;
167 pthread_t th,to,tf,ti;
168
169 pthread_create(&th,NULL,drawHeader,(void*)&_win);
170 pthread_create(&to,NULL,drawOutput,(void*)&_win);
171 pthread_create(&tf,NULL,drawFriendList,(void*)&_win);
172 pthread_create(&ti,NULL,drawInput,(void*)&_win);
173
174 pthread_join(th,NULL);
175 pthread_join(to,NULL);
176 pthread_join(tf,NULL);
177 pthread_join(ti,NULL);
178
179 return 0;
180 }
makefile
1 chat_window:chat_window.cpp 2 g++ -o [email protected] $^ -lpthread -lncurses 3 .PHONY:clean 4 clean: 5 rm -f chat_window
输出结果：
时间： 2024-11-13 09:45:41