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/***************************************************************************
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user_list_display.c - description
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-------------------
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Copyright : (C) 2004-2025 by Leaflet
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Email : leaflet@leafok.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "common.h"
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#include "io.h"
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#include "log.h"
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#include "login.h"
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#include "screen.h"
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#include "str_process.h"
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#include "user_list.h"
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#include "user_priv.h"
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#include "user_list_display.h"
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#include <string.h>
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#include <time.h>
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#include <sys/param.h>
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enum select_cmd_t
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{
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EXIT_LIST = 0,
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VIEW_USER,
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CHANGE_PAGE,
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SHOW_HELP,
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};
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static int user_list_draw_screen()
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{
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clearscr();
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show_top("[已注册用户]", BBS_name, "");
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moveto(2, 0);
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prints("返回[\033[1;32m←\033[0;37m,\033[1;32mESC\033[0;37m] 选择[\033[1;32m↑\033[0;37m,\033[1;32m↓\033[0;37m] "
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"查看[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 帮助[\033[1;32mh\033[0;37m]\033[m");
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moveto(3, 0);
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prints("\033[44;37m \033[1;37m 编 号 用户名 昵称 上次登陆距今 \033[m");
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return 0;
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}
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static int user_list_draw_items(int page_id, USER_INFO *p_users,
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int user_count)
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{
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char str_time[LINE_BUFFER_LEN];
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time_t tm_now;
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time_t tm_duration;
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struct tm *p_tm;
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int i;
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clrline(4, 23);
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time(&tm_now);
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for (i = 0; i < user_count; i++)
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{
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tm_duration = tm_now - p_users[i].last_login_dt;
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p_tm = gmtime(&tm_duration);
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if (p_tm->tm_year > 70)
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{
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snprintf(str_time, sizeof(str_time),
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"%d年", p_tm->tm_year - 70);
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}
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else if (p_tm->tm_yday > 1)
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{
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snprintf(str_time, sizeof(str_time),
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"%d天", p_tm->tm_yday);
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}
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else if (p_tm->tm_hour > 0)
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{
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snprintf(str_time, sizeof(str_time),
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"%d时%d分", p_tm->tm_hour, p_tm->tm_min);
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}
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else
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{
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snprintf(str_time, sizeof(str_time),
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"%d分%d秒", p_tm->tm_min, p_tm->tm_sec);
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}
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moveto(4 + i, 1);
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prints(" %7d %s%*s %s%*s %s",
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p_users[i].uid,
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p_users[i].username,
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BBS_username_max_len - str_length(p_users[i].username, 1),
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"",
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p_users[i].nickname,
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BBS_nickname_max_len / 2 - str_length(p_users[i].nickname, 1),
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"",
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str_time);
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}
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return 0;
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}
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static enum select_cmd_t user_list_select(int total_page, int item_count, int *p_page_id, int *p_selected_index)
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{
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int old_page_id = *p_page_id;
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int old_selected_index = *p_selected_index;
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int ch;
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if (item_count > 0 && *p_selected_index >= 0)
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{
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moveto(4 + *p_selected_index, 1);
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outc('>');
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iflush();
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}
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while (!SYS_server_exit)
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{
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ch = igetch(100);
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if (ch != KEY_NULL && ch != KEY_TIMEOUT)
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{
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BBS_last_access_tm = time(NULL);
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}
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switch (ch)
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{
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case KEY_NULL: // broken pipe
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log_error("KEY_NULL\n");
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case KEY_ESC:
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case KEY_LEFT:
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return EXIT_LIST; // exit list
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case KEY_TIMEOUT:
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if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
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{
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log_error("User input timeout\n");
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return EXIT_LIST; // exit list
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}
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continue;
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case CR:
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case KEY_RIGHT:
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if (item_count > 0)
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{
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return VIEW_USER;
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}
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break;
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case KEY_HOME:
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*p_page_id = 0;
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case 'P':
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case KEY_PGUP:
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*p_selected_index = 0;
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case 'k':
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case KEY_UP:
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if (*p_selected_index <= 0)
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{
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if (*p_page_id > 0)
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{
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(*p_page_id)--;
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*p_selected_index = BBS_user_limit_per_page - 1;
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}
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else if (ch == KEY_UP || ch == 'k') // Rotate to the tail of list
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{
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if (total_page > 0)
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{
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*p_page_id = total_page - 1;
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}
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if (item_count > 0)
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{
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*p_selected_index = item_count - 1;
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}
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}
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}
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else
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{
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(*p_selected_index)--;
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}
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break;
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case '$':
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case KEY_END:
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if (total_page > 0)
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{
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*p_page_id = total_page - 1;
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}
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case 'N':
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case KEY_PGDN:
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if (item_count > 0)
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{
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*p_selected_index = item_count - 1;
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}
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case 'j':
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case KEY_DOWN:
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if (*p_selected_index + 1 >= item_count) // next page
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{
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if (*p_page_id + 1 < total_page)
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{
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(*p_page_id)++;
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*p_selected_index = 0;
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}
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else if (ch == KEY_DOWN || ch == 'j') // Rotate to the head of list
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{
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*p_page_id = 0;
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*p_selected_index = 0;
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}
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}
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else
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{
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(*p_selected_index)++;
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}
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break;
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case 'h':
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return SHOW_HELP;
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default:
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break;
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}
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if (old_page_id != *p_page_id)
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{
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return CHANGE_PAGE;
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}
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if (item_count > 0 && old_selected_index != *p_selected_index)
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{
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if (old_selected_index >= 0)
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{
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moveto(4 + old_selected_index, 1);
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outc(' ');
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}
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if (*p_selected_index >= 0)
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{
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moveto(4 + *p_selected_index, 1);
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outc('>');
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}
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iflush();
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old_selected_index = *p_selected_index;
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}
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}
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return EXIT_LIST;
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}
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int user_list_display(void)
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{
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char page_info_str[LINE_BUFFER_LEN];
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USER_INFO users[BBS_user_limit_per_page];
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USER_INFO user_info;
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int user_count;
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int page_count;
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int page_id = 0;
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int selected_index = 0;
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int ret;
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user_list_draw_screen();
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ret = query_user_list(page_id, users, &user_count, &page_count);
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if (ret < 0)
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{
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log_error("query_user_list(page_id=%d) error\n", page_id);
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return -2;
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}
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if (user_count == 0) // empty list
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{
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selected_index = 0;
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}
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while (!SYS_server_exit)
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{
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ret = user_list_draw_items(page_id, users, user_count);
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if (ret < 0)
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{
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log_error("user_list_draw_items(page_id=%d) error\n", page_id);
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return -3;
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}
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snprintf(page_info_str, sizeof(page_info_str),
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"\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
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page_id + 1, MAX(page_count, 1));
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show_bottom(page_info_str);
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iflush();
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if (user_online_update("USER_LIST") < 0)
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{
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log_error("user_online_update(USER_LIST) error\n");
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}
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ret = user_list_select(page_count, user_count, &page_id, &selected_index);
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switch (ret)
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{
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case EXIT_LIST:
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return 0;
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case CHANGE_PAGE:
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ret = query_user_list(page_id, users, &user_count, &page_count);
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if (ret < 0)
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{
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log_error("query_favor_articles(page_id=%d) error\n", page_id);
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return -2;
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}
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if (user_count == 0) // empty list
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{
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selected_index = 0;
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}
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else if (selected_index >= user_count)
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{
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selected_index = user_count - 1;
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}
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break;
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case VIEW_USER:
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if ((ret = query_user_info(users[selected_index].uid, &user_info)) < 0)
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{
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log_error("query_user_info(uid=%d) error: %d\n", users[selected_index].uid, ret);
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}
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else if (ret == 0)
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{
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log_error("query_user_info(uid=%d) error: user not found\n", users[selected_index].uid);
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}
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else if (users[selected_index].uid != user_info.uid)
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{
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log_error("query_user_info(uid=%d) error: inconsistent uid=%d\n", users[selected_index].uid, user_info.uid);
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}
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else
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{
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clearscr();
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press_any_key_ex("功能不可用，按任意键返回", 60);
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user_list_draw_screen();
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}
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break;
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case SHOW_HELP:
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// Display help information
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display_file(DATA_READ_HELP, 1);
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user_list_draw_screen();
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break;
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default:
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log_error("Unknown command %d\n", ret);
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}
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}
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return 0;
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}
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