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sysadm |
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/***************************************************************************
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menu.c - description
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-------------------
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begin : Wed Mar 16 2004
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copyright : (C) 2005 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 2 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 "menu.h"
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#include "io.h"
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#include <stdio.h>
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#include <ctype.h>
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MENU bbs_main_menu;
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int
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load_menu (MENU *p_menu, const char *conf_file)
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{
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FILE *fin;
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int i = 0;
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if ((fin = fopen (conf_file, "r")) == NULL)
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{
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log_error ("Open %s failed", conf_file);
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return -1;
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}
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while (fscanf (fin, "%d %d %c ", &((p_menu->items[i]).row),
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&((p_menu->items[i]).col), &((p_menu->items[i]).key)) != EOF)
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{
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fgets((p_menu->items[i]).text, MAX_MENUITEM_LENGTH, fin);
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i++;
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}
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p_menu->item_count = i;
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p_menu->item_cur_pos = 0;
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return 0;
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}
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void
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display_menu_cursor (MENU *p_menu, int show)
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{
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moveto ((p_menu->items[p_menu->item_cur_pos]).row,
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(p_menu->items[p_menu->item_cur_pos]).col - 2);
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prints (show ? ">" : " ");
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iflush ();
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}
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int
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display_menu (MENU *p_menu)
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{
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int i;
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for (i = 0; i < p_menu->item_count; i++)
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{
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moveto ((p_menu->items[i]).row, (p_menu->items[i]).col);
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prints ((p_menu->items[i]).text);
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iflush ();
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}
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display_menu_cursor (p_menu, 1);
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return 0;
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}
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char
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menu_control (MENU *p_menu, int key)
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{
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int i;
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switch (key)
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{
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case CR:
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case KEY_RIGHT:
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return ((p_menu->items[p_menu->item_cur_pos]).key);
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case KEY_UP:
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display_menu_cursor (p_menu, 0);
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p_menu->item_cur_pos --;
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if (p_menu->item_cur_pos < 0)
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p_menu->item_cur_pos = p_menu->item_count - 1;
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display_menu_cursor (p_menu, 1);
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break;
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case KEY_DOWN:
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display_menu_cursor (p_menu, 0);
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p_menu->item_cur_pos ++;
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if (p_menu->item_cur_pos >= p_menu->item_count)
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p_menu->item_cur_pos = 0;
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display_menu_cursor (p_menu, 1);
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break;
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default:
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for (i = 0; i < p_menu->item_count; i++)
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{
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if (toupper(key) == toupper((p_menu->items[i]).key))
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{
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display_menu_cursor (p_menu, 0);
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p_menu->item_cur_pos = i;
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display_menu_cursor (p_menu, 1);
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break;
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}
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}
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}
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return '\0';
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}
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