#include <ncurses.h>

#include <string.h>

#include <iostream>

#include <stdlib.h>

using namespace std;

void* head_refresh(void *arg);

void* input_refresh(void *arg);

void* output_refresh(void *arg);

void* right_refresh(void *arg);

class window

{

        friend void* head_refresh(void *arg);

        friend void* input_refresh(void *arg);

    friend void* output_refresh(void *arg);

    friend void* right_refresh(void *arg);

    public:

    window()

    {

    initscr();

    getmaxyx(stdscr,y,x);

    }

    void create_head()

    {

    head_window = newwin(4,x,0,0);

    box(head_window,'.','.');

    mvwprintw(head_window,4/2,x/3,"|Welcome to here|");

    }

    void _refresh(WINDOW *win)

    {

       wrefresh(win);

       wgetch(win);

    }

    void create_input()

    {

     input_window = newwin(y-5,x/2,5,0);

     box(input_window,'.','.');

     mvwprintw(input_window,1,0,"input:");

    }

    void create_output()

    {

     output_window = newwin((y-5)/2,x/2,5+(y-5)/2+1,x/2);

     box(output_window,'.','.');

     mvwprintw(output_window,1,0,"output:");

    }

    void create_right()

    {

     right_window = newwin((y-5)/2,x/2,5,x/2);

     box(right_window,'.','.');

     mvwprintw(right_window,1,0,"friend:");

    }

    ~window()

    {

    endwin();

    }

    private:

    WINDOW *head_window;

    WINDOW *input_window;

    WINDOW *output_window;

    WINDOW *right_window;

    int x;

    int y;

};

void* head_refresh(void *arg)

{

    window *win = (window*)arg;

        win->_refresh(win->head_window);

    return NULL;

}

void* input_refresh(void *arg)

{

    window *win = (window*)arg;

    win->_refresh(win->input_window);

    return NULL;

}

void* output_refresh(void *arg)

{

    window *win = (window*)arg;

    win->_refresh(win->output_window);

    return NULL;

}

void* right_refresh(void *arg)

{

    window *win = (window*)arg;

    win->_refresh(win->right_window);

    return NULL;

}

int main()

{

    window win;

    win.create_head();

    win.create_input();

    win.create_output();

    win.create_right();

    pthread_t head_id,input_id,output_id,right_id;

    pthread_create(&head_id,NULL,head_refresh,(void *)&win);

    pthread_create(&input_id,NULL,input_refresh,(void *)&win);

    pthread_create(&output_id,NULL,output_refresh,(void *)&win);

    pthread_create(&right_id,NULL,right_refresh,(void *)&win);

//由于终端无法同步刷新。所以使用多个线程来进行刷新，能够满足

//同一时候显示多个窗体的需求。

    pthread_join(head_id,NULL);

    pthread_join(input_id,NULL);

    pthread_join(output_id,NULL);

    pthread_join(right_id,NULL);

    getch();

    return 0;

}