help

Unix/Linux文本模式下显示和操作菜单的处理程序。

BEGIN:sample.h
#include "apmenu.h"
#include "menu.h"

#define MAX_X 79
#define MAX_Y 23
#define MIN_X 0
#define MIN_Y 0

#define HELP_X 40
#define HELP_Y 5
#define HELP_W 38
#define HELP_H 15

struct ip_link {				/**** IP TREE 附信息******/
	char 	ipaddr[20];
	char 	hostname[52];
	char 	domain[52];
	bool 	connect_bz;
};
typedef struct ip_link ST_IPLINK;
END:sample.h

BEGIN:开始

	联机帮助系统	1998/11

	说明: 	从HELPFILE读取信息生成联机帮助	

	提示:[End]退出,[Home]菜单,光标移到<<..>>按回车进入该主题

	提示:[BackSpace] 退出一层菜单, [回车] 进行选择         

END:开始

BEGIN:使用指南
	=========== 使用指南 ========
	<<开始>>
	<<sample.h>>
	<<sample.c>>
	<<apmenu.h>>
	<<tool.c>>
	<<tool1.c>>

END:使用指南
BEGIN:sample.c
/*
**
**	
**	
**
*/

#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: 
/*
				scr = Saverect(HELP_H, HELP_W, HELP_Y, HELP_X); 
*/

				Disp_Help( w, HELP_Y, HELP_X, HELP_H, HELP_W, 
					"使用指南", 0 );
/*
				Putrect(w,HELP_Y,HELP_X,scr); 
				Free(scr);
*/
				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);
}

END:sample.c

BEGIN:tool.c
#include "./apmenu.h"

/*
**
**	保存屏幕
**
*/
SAVESCR *Saverect(w, height, width, y, x)
WINDOW 	*w;
int 	height;
int 	width;
int 	y;
int 	x;
{
	int i, j, c, k=0;
	int *str;
	SAVESCR *Savescr;

	if(height>25||width>80)return NULL;
	str=(int *)malloc(height*width*sizeof(int));
	Savescr=(SAVESCR *)malloc(sizeof(SAVESCR));
	if(Savescr==NULL||str==NULL)return NULL;

	Savescr->height=height;
	Savescr->width=width;
	Savescr->p=str;
	for(j=y;j<y+height;j++)
		for(i=x;i<x+width;i++){
			c=mvwinch(w,j,i);
			Savescr->p[k]=c;
			k++;
			}
	wrefresh(w);
	return Savescr;
}

/*
**
**	恢复屏幕
**
*/
int Putrect(w, y, x, Savescr)
WINDOW 	*w;
int 	y;
int 	x;
SAVESCR *Savescr;
{
	int i,j,k=0;
	if(Savescr==NULL)return FALSE;
	wsetcolor(w,0,0);
	for(j=y;j<y+Savescr->height;j++)
		for(i=x;i<x+Savescr->width;i++){
			mvwaddch(w,j,i,Savescr->p[k]);
			k++;
			}
	wrefresh(w);
	return TRUE;
}

/*
**
**	释放屏幕内存
**
*/
int Free(Savescr)
SAVESCR *Savescr;
{
	int i,j;
	i=free(Savescr->p);
	j=free(Savescr);
	if(i==-1||j==-1)return FALSE;
	else return TRUE;
}
/*
**
**	画框函数
**
*/
int Box(w, row, wide, y, x)
WINDOW 	*w;
int 	row;
int 	wide;
int 	y;
int 	x;
{ 
  	int i,y1,x1;
  	y1=y+row;x1=x+wide;
  	mvwaddstr(w,y,x,"┏"); 
  	mvwaddstr(w,y,x1,"┓"); 
  	mvwaddstr(w,y1,x1,"┛"); 
  	mvwaddstr(w,y1,x,"┗"); 
  	for(i=x+2;i<=x1-2;i+=2){
    		mvwaddstr(w,y,i,"━"); 
     		mvwaddstr(w,y1,i,"━"); 
    		}
  	for(i=y+1;i<=y1-1;i+=1){
    		mvwaddstr(w,i,x,"┃"); 
     		mvwaddstr(w,i,x1,"┃"); 
    		}
	wrefresh(w);
	return TRUE;
}
/*
**
**	画线函数
**
**
*/
int Line( w, height, width, y, x)
WINDOW 	*w;
int 	height;
int 	width;
int 	y;
int 	x;
{
	int i,j;
	if (height==0)
		for (i=x;i<x+width;i++) mvwaddch(w,y,i,'-');
	else 
		if (width==0)
			for (i=y;i<y+height;i++) mvwaddstr(w,i,x,"┃");
	wrefresh(w);
}
/*
**
**	填充正方形函数
**
**
*/
int Clear( w, height, wide, y, x, color)
WINDOW 	*w;
int 	height;
int 	wide;
int 	y;
int 	x;
int 	color;
{
	int i,j; 
	wsetcolor(w,1,color);
	for(i=y;i<=(y+height);i++)for(j=x;j<(x+wide);j++)
		mvwaddch(w,i,j,' ');
	wrefresh(w);
}
/*
**
**	获取字符串函数
**
**
*/
char *Getstr( w, y, x, maxlen,listlen, color, bkcolor)
WINDOW 	*w;
int 	y;
int 	x;
int 	maxlen;
int 	listlen;
int 	color;
int 	bkcolor;
{ 
	int i=0,j=0,ch;
	char *str;
	str=(char *)malloc(80);
	wsetcolor(w,color,bkcolor);
	wmove(w,y,x);
	wrefresh(w);
	while(1){
		ch=getch();
		if(ch==Key_esc){if(ch=getch()==91){
					ch=getch();
					if(ch==Key_right){
						i++;
						wmove(w,y,x+i);
						wrefresh(w);
						}
					if(ch==Key_left){
						i--;
						wsetcolor(w,bkcolor,bkcolor);
						mvwaddch(w,y,x+i,' ');	
						wmove(w,y,x+i);
						wrefresh(w);
						wsetcolor(w,color,bkcolor);
						}
					}
				}
		else {						
		if(ch==Key_enter)break;
		if(ch!=Key_backspace){
			mvwaddch(w,y,x+i,ch);	
			wrefresh(w);
			str[i]=(char)ch;
			i++;
			}
		else {  i--;
			wsetcolor(w,bkcolor,bkcolor);
			mvwaddch(w,y,x+i,' ');	
			wmove(w,y,x+i);
			wrefresh(w);
			wsetcolor(w,color,bkcolor);

	        	}
		    }
	}
	str[i]='\0';
	return str;
}
/*
**
**	信息框函数
**
**
*/
int MessageBox(w, y,x,strs,strt,flags)
WINDOW 	*w;
int 	y;
int 	x;
char 	*strs;
char 	*strt;
int 	flags;
{
	int height=0,width=0,i=0,j=0,k=0;
	int color1=RED,color2=CYAN;
	char *p,str1[60],str2[2],OK1[]="<Ok>      Cancle ",CL1[]=" Ok      <Cancle>",ch;
	SAVESCR *Scr;
	p=strs;
	while(p[i]!='\0'){
		if(p[i]=='~'){
			height++;
			j=Min(j+1,60);
			width=Max(width,j);
			j=0;
			i++;
		}
		else{
			i++;
			j++;
		}
	}
	if(height==0){
		width=j;
		width=Min(width,60);
	}
	else
		width=Max(width,j);
	height=height+5;
	if(width<17)
		width=17;
	width=width+12;
	Scr=(SAVESCR *)Saverect(w,height+2,width+2,y,x); 
	j=y;k=x;
       	Clear(w,height,width,y+1,x+2,GRAY);		
	if(strlen(strt)>0){
		wsetcolor(w,BLACK,GRAY);
		mvwaddstr(w,y,x,"━");
       		Clear(w,0,width-2,y,x+2,BLUE);		
		wsetcolor(w,LT_WHITE,BLUE);
		wmove(w,y,x+(width-strlen(strt))/2);
		waddstr(w,strt); 
       		Clear(w,height-1,width,y+1,x,color2);
	}
	else
       		Clear(w,height,width,y,x,color2);
	wmove(w,y,x+6);
	y=y+2;
	p=strs;
	i=0;
	wsetcolor(w,color1,color2);
	str1[0]='\0';
	while(*p!='\0'){
		if(*p=='~'){
			p++;
			i=0;
			wmove(w,y++,x+6);
			waddstr(w,str1);
			wrefresh(w);
			str1[0]='\0';
		}
		if(i>59){
			while(*p!='~')
				p++;
			i=0;
			p++;
			wmove(w,y++,x+6);
			waddstr(w,str1);
			wrefresh(w);
			str1[0]='\0';
		}
		str2[0]=*p;
		str2[1]='\0';
		strcat(str1,str2);
		i++;
		p++;
		
	}	
	wmove(w,y++,x+6);
	waddstr(w,str1);
	wrefresh(w);
	str1[0]='\0';