help.bak

Unix/Linux文本模式下显示和操作菜单的处理程序。

					wrefresh(w);
				}
				else if ( result=-1){
					wmove( w, ny,nx );
					wrefresh(w);
				}

			}		/*** 	当弹出菜单时的循环	***/

	   	}			/*** 	   键盘循环 		***/

	}				/*** 	   主题循环 		***/
	Putrect( w, y, x, scr );
	Free ( scr );
	return (TRUE);
}

/*
**
** 	初始化显示数组, (公用变量text)
**		从 (HELPNAME)文件中获取当前主题
**
*/

int Initarry ( w, width, topic, filename )
WINDOW *w;
int width;
char *topic;
char *filename;
{
	FILE *fp;
	int FEOF;
	char c,s[128],s1[128];
	int i=0,j=0,k=0,l=0,num=-1,len;
	char str[1025];

	fp = fopen( filename , "r" );
	if ( fp == NULL) {
		sprintf( str,"不能打开帮助文件(%s)!!!",filename);
		Message(stdscr,Y+HEIGHT-2,X+2,str,"出错:",1);
		return -1;
		}
	fseek ( fp, 0, SEEK_CUR );
	sprintf( s, "BEGIN:%s", topic );

	while( ! feof(fp) ) {
		fgets( str, 1024, fp ) ;
		if ( (char *)strstr( str, s ) ){
			FEOF = 0;
			break;
		}
	}
	if ( FEOF ){
		Message(stdscr,Y+HEIGHT-2,X+2,"没有找到这个主题!!!","出错:",1);
		return -1;
	}
	FEOF = 1;

	for( i= 0; i<500; i++)
		text[i][0]='\x0';
	i=0;
	sprintf( s, "END:%s", topic );
	while (!feof(fp)){
		fgets( str, 1024,fp );
		if ( (char *)strstr( str, s ) != NULL ){
			FEOF = 0;
			break;
		}
		while( k<strlen(str) ){
/*
			if ( str[k] = Key_tab ) { 
				for ( l = 0 ;l<8;l++ ) 
					text[j][i++] = str[k];	
			}
			else 
				text[j][i]=str[k];
*/
				text[j][i]=str[k];
			
			if ( (k+1)%width==0 && k!=0 ) {
				text[j][i+1]='\x0a';
				text[j][i+2]='\x0';
				j++;
				i = 0;
				k++;
			}
			 else if ( k>1024 ) {
				text[j][i]='\0';
				j++;
				i=0;
				k=0;
				break;
			}
		 	else 
			{
				i++;
				k++;
			}
		}
		text[j][i-1]='\x0';
		i=k=0;j++;
	}
	for(i=0;i<=j;i++) {
		len = strlen(text[i]); 
		k=0;
		while(k<width){
			if( text[i][k]=='\x9' )text[i][k]=' ';	
			if( text[i][k]=='\x0'||text[i][k]=='\x0a' ){
				for( l=k;l<width;l++){
					text[i][k]=' ';	
					k++;
					}
				break;			
			}
			k++;			
		}
		text[i][width] = '\x0';
		if(strlen(text[i])!=width){
			Message(stdscr,Y+HEIGHT-2,X+2,"程序运行(读取文件)出现错误!!!","出错:",1);
			return -1;
		}
	}
	NREC = j;
	if ( FEOF==1 ){
		Message(stdscr,Y+HEIGHT-2,X+2,"没有找到这个主题的终止!!!","出错:",1);
		return -1;
	}
	fclose ( fp );
	return TRUE;
}

/*
**
**	显示当前主题 (text[]) 的内容
**
**
*/
int Show_arry( w, y, x, height, width, index ,color,bkcolor )	
WINDOW *w; 
int y;
int x; 
int height; 
int width; 
int index; 
int bkcolor;
{
	int i=0,j=0;
	wsetcolor(w, color, bkcolor);
	for( i=0;i<height;i++){
		mvwaddstr( w, y+i, x, text[i+index] );
	}	
		
	wrefresh( w );
	return TRUE;
}

/*
**
**	反白显示主题, 隐藏主题
**	y:光标移动到新位置的纵坐标. yold:光标移动前的纵坐标. 
**	nrerec, oldrec. 移动前后的第几行
**
*/
int Show_NxtTopic( w, y, x, yold, newrec, oldrec, row, color, bkcolor )
WINDOW *w;
int y;
int x;
int yold;
int newrec;
int oldrec;
int row;
int color;
int bkcolor;
{
	int i=0,j=0,nstart=-1,nend=-1;
	char str[80];
	char s[80];
	strcpy ( str, text[newrec] );
	while (1) {
		if ( str[i]=='\x0' ) break;
		if( str[i]=='<' && str[i+1]=='<' ){
			nstart=i+2;
			}
		if( str[i]=='>' && str[i+1]=='>' ) {			
			nend=i-1;
			if ( row <= nend ) break;  
			}
		i++;			
		}
	if( Nxt_Topic[0]!='\x0' ) {
			if ( yold!=-1){
				wsetcolor(w,color, bkcolor );
				mvwaddstr( w, yold, x, text[oldrec]);
			}
			Nxt_Topic[0]='\x0';
		}
	if ( nstart>=0 && nend >=0 && row>=nstart && row<=nend ){
		strncpy( Nxt_Topic, str+nstart, nend-nstart+1 );
		Nxt_Topic[nend-nstart+1]='\x0';
		if ( tFlags == 1 ) {
			wsetcolor( w, bkcolor, color ); 
			mvwaddstr( w, y, x+nstart, Nxt_Topic );  
		}
		else {	
			wstandout( w );
			mvwaddstr( w, y, x+nstart, Nxt_Topic );  
			wstandend( w );
		}
	}
	return TRUE;

}
/*
**
**	增加一个主题链表
**		
**
*/
int Add_link(char *topic,int ny,int nx,int nrec,int nline,int nrow)
{
	int i=0;
	struct Help_link *link;
	if( topic[0]=='\x0') return FALSE;
	link=(struct Help_link *)malloc(sizeof(struct Help_link)); 
	if(link==NULL)return FALSE;
	strcpy(link->topic,topic);
	link->ny=ny;
	link->nx=nx;
	link->nrec=nrec;
	link->nline=nline;
	link->nrow=nrow;

	if(Link_head==NULL){
		Link_cur=Link_head=link;
		Link_cur->nxtlink=NULL;
		Link_cur->prvlink=NULL;
		}
	else {
		link->prvlink=Link_cur;
		link->nxtlink=NULL;
		Link_cur->nxtlink=link;
		Link_cur=link;
		} 
	return TRUE;
}

/*
**
**	删除当前主题链表
**		用于返回上个主题 	
**
*/
int Del_link()
{
	struct Help_link *link;
	if (Link_head==NULL||Link_cur==NULL) return FALSE;

	if(Link_cur->prvlink==NULL){
		free(Link_cur);	
		free(Link_head);
		Link_head=Link_cur=NULL;
	}
	else {
		link=Link_cur->prvlink;
		Link_cur->prvlink->nxtlink = NULL;
		free( Link_cur);
		Link_cur=link;
	}
	return TRUE;

}

/*
**
**	释放所有链表内存 
**
**
*/
int Free_link()
{
	int i=0,n=1;
	struct Help_link *link;
	struct Help_link *prvlink;

	if ( Link_cur==NULL )return FALSE;
	link=Link_cur;
	prvlink=link->prvlink;
	while( prvlink!=NULL){
		free(link);
		link = prvlink;
		prvlink = link->prvlink;
	}
	if( prvlink==NULL) free(link);
	return 1;

}
/*
**
**	打印当前主题 
**
**
*/
int Print_Cur_Topic()
{
	int i=0;
	FILE *fp;
	fp=fopen( "/dev/lp0","w" ); 
	if ( fp == NULL) {
		Message(stdscr,Y+HEIGHT-2,X+2,"不能打开打印机!!!","出错:",1);
		fclose(fp);
		return FALSE;
		}
	for( i=0;i<=NREC;i++){
		fprintf( fp, "%s\n",text[i] );
	}
	Message(stdscr,Y+HEIGHT-2,X+2,"打印完毕.","提示:",1);
	fclose(fp);
	return TRUE;
}

int Message( w, y, x, mesg, title, flags )
WINDOW *w;
int y;
int x;
char *mesg;
char *title;
int flags;
{
	MessageBox( title, mesg );
}
int Message1( w, y, x, mesg, title, flags )
WINDOW *w;
int y;
int x;
char *mesg;
char *title;
int flags;
{
	char ch;
	int i;
	int Return = TRUE;
	int TotalLen=58;
	int len1,len2;
	if( ( (len1=strlen(title)) + (len2=strlen(mesg)) ) > TotalLen  )
		return FALSE;
	if ( tFlags != 1 ){
		wstandout ( w );
		for( i= x; i<x+TotalLen-2; i++ )
			mvwaddstr( w, y, i, " " );
		mvwaddstr( w, y, x, title );
		mvwaddstr( w, y, x+len1, mesg );
		if ( flags==0 ){
			mvwaddstr( w, y, x+len1+len2,"(Y/N):");
			wrefresh(w);
			ch = getch();
			if ( ch=='Y' ||ch =='y' ) Return=TRUE;
				else Return=FALSE;
		}
		else {
			mvwaddstr( w, y, x+len1+len2," (按任意键继续...)");
			wrefresh(w);
			getch();
			Return=TRUE;
		}
		if( !(flags==0 && Return == TRUE) )mvwaddstr( w, y, x, HELPMSG ); 
		wstandend ( w );
	}
	else {
		wsetcolor ( w, GRAY, GRAY );
		for( i= x; i<x+TotalLen-2; i++ )
			mvwaddstr( w, y, i, " " );
		wsetcolor ( w, BLUE, GRAY );
		mvwaddstr( w, y, x, title );
		wsetcolor ( w, CYAN, GRAY );
		mvwaddstr( w, y, x+len1, mesg );
		wrefresh(w);
		if ( flags==0 ){
			mvwaddstr( w, y, x+len1+len2," (Y/N):");
			wrefresh(w);
			ch = getch();
			if ( ch=='Y' ||ch =='y' ) Return=TRUE;
				else Return=FALSE;
		}
		else {
			mvwaddstr( w, y, x+len1+len2," (按任意键继续...)");
			wrefresh(w);
			getch();
			Return=TRUE;
		}
		if( !(flags==0 && Return == TRUE) )mvwaddstr( w, y, x, HELPMSG ); 
	}
	wrefresh(w);
	return Return;
}