sample.c

Unix/Linux文本模式下显示和操作菜单的处理程序。

/*
**
**	
**	
**
*/

#include "sample.h"

#define M_EXIT 			18
#define M_HELP 			71
#define M_CONNECT_WINDOW 	61

main( argc, argv)
int 	argc;
char 	*argv[];
{
	int i;
	int y,x,width,height;
	SAVESCR *scr;
	TREE_CONTROL *tree;
	WINDOW *w;
	int Max_item;
	int ret,retflag=0;
	char s[100];
	int Select_tree_move ( );
	int Select_tree_keydown ( );

	MENU_ITEM menu_bar[]={
       		1, "0",  "连接[C] ~发送[S] ~接收[R] ~协议[P] ~设置[O] ~窗口[W] ~帮助[H]",        "csrpowh",
      	 	2, "1",  "节点刷新[W] ~连接刷新[B] ~连接节点[C] ~节点信息[M] ~增加节点[A] ~删除节点[D] ~打印[P] ~退出[E] ",      "wbcmadpe",
       		2, "2",  "录入[W] ~开始发送[S]" ,	     "ws",
       		2, "3",  "录入[W] ~开始接收[R]" ,             "wr",
       		2, "4",  "TCP/IP[T]-> ~SPX/IPX[S] ~SNA[I] ~NETBIOS[N]" , "tsin",
       		3, "41", "TCP ~UDP ~ICMP ~ARP ~RARP " , "",
       		2, "5",  "连接[C] ~无连接[N]" , "cn",
       		2, "6",  "连接窗口[C] ~发送窗口[S] ~接收窗口[R] ~协议窗口[P] ~状态窗口[Z] ~出错窗口[E] " , "csrpze",
       		2, "7",  "帮助[H] ~主题[T] ~关于[A] " , "hta",
       	};

	initscr();
	noecho();
	w = newwin(23,79,0,0);
	wclear(w);	
	wrefresh(w);
	wsetcolor( w, WHITE, M_BC );
	for (i=MIN_X;i<MAX_X;i++) 
		mvwaddstr( w, MIN_Y, i , " " ); 
	wsetcolor( w, BLACK, WHITE );
	for (i=MIN_X;i<MAX_X;i++) 
		mvwaddstr( w, MAX_Y-1, i , " " ); 
	mvwaddstr( w, MAX_Y-1, MIN_X , "END 键弹出菜单 " ); 
	mvwaddstr( w, MAX_Y-1, MAX_X - 33 , "网络管理系统 NETCON V1.0, 1998/11"); 


	tree = (TREE_CONTROL *)init_treecontrol ( w, MIN_Y+2,MIN_X+2,MAX_Y-1-3,MAX_X/2,WHITE, BLACK, RED, CYAN );

	tree_add_item( tree, (TREE_ITEM *)NULL,"TCP 网络","",1);

	Init_host( tree ) ;

	trigger_tree_move( tree, Select_tree_move ) ;
	generate_treelist( tree );
	if ( tree->num != tree->i ) 
		printf( "初始化出错: num =%d, but i =%d",tree->num,tree->i);

	show_tree( tree );
	
	Max_item= sizeof(menu_bar)/sizeof(struct menu_item_code);
	while(1){
		ret = Do_menu(w, menu_bar, NULL, Max_item, 0, 0, 0, 0) ; 
		switch(ret){
			case M_CONNECT_WINDOW: 
				do_tree( tree );
				break;
			case M_EXIT: 
				retflag = 1;
				break;
			case M_HELP: 
				Disp_Help( w, NULL , HELP_Y, HELP_X, HELP_H, HELP_W, 
					"使用指南", 0 );
				break;
		}
		if ( retflag == 1 ) break;
	}
	
	clear();
	refresh();
	endwin(w);
}


Init_host(tree) 
TREE_CONTROL *tree;
{
	char s[1024], ipaddr[20], hostname[256], domain[256];
	char *p;
	FILE *fp;
	ST_IPLINK *clink = NULL;
	TREE_ITEM *item;

	if ( (fp=fopen("/etc/hosts", "r" )) == NULL ) {
		printf( "file /etc/hosts not found!" );
		return(-1);
	}
	while ( !feof(fp) ) { 
		fgets( s, 256, fp );
		for(p=s;(*p==Key_tab||*p==Key_space)&&(*p);p++);
		if ( *p == '#' ) continue;

		for(*ipaddr='\0';*p!=Key_space&&*p!=Key_tab&&*p!=Key_nxtrow&&
			(*p);p++) {
			sprintf( ipaddr, "%s%c", ipaddr, p[0] ) ;
		}
		for(;(*p==Key_tab||*p==Key_space)&&(*p);p++);

		for(*hostname='\0';*p!=Key_space&&*p!=Key_tab&&*p!=Key_nxtrow&&
			(*p);p++) {
			sprintf( hostname, "%s%c", hostname, p[0] ) ;
		}

		for(;(*p==Key_tab||*p==Key_space)&&(*p);p++);

		for(*domain='\0';*p!=Key_space&&*p!=Key_tab&&*p!=Key_nxtrow&&
			(*p);p++) {
			sprintf( domain, "%s%c", domain, p[0] ) ;
		}
		if ( *ipaddr != '\0' ) {
			if ( !(item =(TREE_ITEM *)Find_tree_str ( tree , domain ))) {  
				if ( *domain != '\0' ) {
					tree_add_item( tree, tree->startitem,
						domain,NULL,1);
					item = tree->curitem;
				}
				else {
					item = tree->startitem;
				}
			}
			clink = (ST_IPLINK *) malloc(sizeof(ST_IPLINK));
			strcpy( clink->ipaddr, ipaddr ) ;
			strcpy( clink->hostname, hostname ) ;
			strcpy( clink->domain, domain ) ;
			clink->connect_bz = FALSE ;
			tree_add_item( tree, item, hostname,clink,1);
		}
	}
	fclose( fp );
}

/* 
**	Move the item of tree 
**	Show the ipaddr in the help bar
**
*/
Select_tree_move ( tree )
TREE_CONTROL *tree;
{
	ST_IPLINK *link = ((ST_IPLINK *)((TREE_ITEM *)Getcuritem(tree))->link);
	if ( link ) 
		Show_help( tree->win, link->ipaddr ); 
	else 	Show_help( tree->win, ((TREE_ITEM *)Getcuritem(tree))->text); 
}

Select_tree_keydown ( tree, ch )
TREE_CONTROL *tree;
int ch;
{
	char s[10];
	sprintf( s, "%d", ch ) ;
	Show_help( tree->win, s ); 
	return 0 ;
}

Show_help( WINDOW *win, char *s )
{
	int i ;
	wsetcolor( win, BLACK, WHITE );
	for (i=MIN_X;i<40;i++) mvwaddstr( win, MAX_Y-1, i , " " ); 
	mvwaddstr( win, MAX_Y-1, MIN_X , s ) ; 
	wrefresh(win);
}