Beispiel #1
0
void  sq_diagramsinfo(void)
{
   int n_sub, n_del, n_calc, n_rest;


   diag_stat(2,&n_sub,&n_del,&n_calc,&n_rest);
   if(!n_sub) return;

   goto_xy(15,9);
   scrcolor(Red,BGmain);
   print(" Squared diagrams \n");
   scrcolor(FGmain,BGmain);
   print("      diagrams in      subprocesses  are constructed.\n");
   print("      diagrams  are deleted.\n");
   print("      diagrams  are calculated.");
   scrcolor(Blue,BGmain);
   goto_xy(1,10);
   print("%d",n_del+n_calc+n_rest);
   goto_xy(20,10);
   print("%d",n_sub);
   goto_xy(1,11);
   print("%d",n_del);
   while (where_x() < 7) print(" ");
   goto_xy(1,12);
   print("%d",n_calc);
   goto_xy(1,13);
   
}
Beispiel #2
0
int      yesnokey(void)
{
 int         x0, y0;
 char         ch;
 int      key;
 int      res;

   y0 = where_y();
   x0 = where_x();
   print(" Y/N ?");

label_1: be_be();
   key = inkey();
   if (key < 0) goto label_1;
   ch = (char)key;
   switch (ch)
   {
      case 'Y':   res = 1;  break;
      case 'y':   res = 1;  break;
      case 'N':   res = 0;  break;
      case 'n':   res = 0;  break;
      default:    goto label_1;
   }
   goto_xy(x0,y0);
   print("      "); 
   return res;
} 
Beispiel #3
0
void draw_scr(BOOL bHint) // bHint값이 TRUE이면 모든숫자를 다 보여줌, 게임이 진행중일땐 FALSE
{
	int x, y;

	for (y = 0; y < 4; y++)
	{
		for (x = 0; x < 4; x++)
		{
			gotoxy(x * 5 + 4, y * 3 + 2);
			if (bHint == TRUE || arr_cell[x][y].stat == FLIP)
			{
				gotoxy(where_x() - 1, where_y());
				printf("[%d]", arr_cell[x][y].Num);
			}
			else if (arr_cell[x][y].stat == TEMPFLIP)
				printf("%d", arr_cell[x][y].Num);
			else
				printf("?");
		}
	}

	gotoxy(30, 2), puts("Pairtest Ver.test");
	gotoxy(30, 4), puts("[↔]:Move [Space]:Flipping");
	gotoxy(30, 5), puts("[ESC]:Exit");
	gotoxy(30, 7), printf("Try Count : %d", count);
	gotoxy(30, 8), printf("Yet Remain : %d ", get_remain());
}
Beispiel #4
0
int informline(long curent, long total)
{  int  xx;
   int res=0;
   static int Y;
   static int X;
   int xm=where_x(), ym=where_y(), fc=fColor,bc=bColor;
  
   if (curent == 0)
   {
      Y=maxRow();
      X=15;
/*      goto_xy(15,Y); scrcolor(Black,Red);
      memset(b,' ',50); b[50] = '\0';
*/
     goto_xy(15,Y); scrcolor(White,Red);
     print(" Calculation in progress. Calculation in progress.");                                                                     
/*            12345678901234567890123456789012345678901234567890 */
/*      print("%s",b); */
      goto_xy(15,Y);
      scrcolor(fc,bc);
      escpressed();
      goto exi;;
   }

   if(X>65 || X<15) X=15;
   
   xx = 15 + (50 * curent) / total;
   if (xx > 65) xx = 65;
   scrcolor(Black,Red);
   goto_xy(X,Y);
   while (where_x() < xx) print("%c",'X');
   if(xx !=X) { X=xx; res=escpressed();}
   if (curent >= total)
   {
      scrcolor(White,Black);
      goto_xy(1,Y); clr_eol();
      goto exi;
   }
   
   exi:
   
   scrcolor(fc,bc); goto_xy(xm,ym);   
   return res;
   
   
}
Beispiel #5
0
static int hbb_open(hbb_struct * hbb) {
  int x0=where_x(),
      y0=where_y();
  int i;
  if (hbb->status == 0 || hbb->onscreen) return 0;
  goto_xy(hbb->x,hbb->y);
  scrcolor(hbb->fgc,hbb->bgc);
  for (i=0;i<hbb->nb;i++) 
  {  if(where_x() + strlen(hbb->hbbar[i].name)+1 >= X2) { hbb->nb=i; break;} 
     print("%s",hbb->hbbar[i].name); 
     goto_xy(where_x()+1,hbb->y);
  }
                            
  scrcolor(hbb->fgc_off,hbb->bgc_off);
  goto_xy(x0,y0);
  hbb->onscreen=1;
  return 0;
}
Beispiel #6
0
static int  message(int x1,int y1,char* txt1)
{  char     txt[STRSIZ];
   int      mess, marg, i=0, x2, y2;
   void *      dump;
   int         xold, yold;
   char * c;   

     strcpy(txt,txt1);
     c=txt;
     xold = where_x();
     yold = where_y();  
     x2 = x1 + maxline(&y2,txt) /*+4*/;
     y2 = y1 + y2 + 1;
     get_text(x1,y1,x2,y2,&dump); 
     chepbox(x1,y1,x2,y2);     
     be_be();
     c=strtok(txt,"\n");
     
     while(c)
     {
        ++(i);
        marg = (x2 - x1 - strlen(c)) / 2;
        if (y1+i == y2) 
        {  goto_xy(x1+1+marg ,y1 + i);
           print("%s",c);
        }else
        {  char buff[STRSIZ];
           memset(buff,' ',x2-x1 -1);
           memcpy(buff+marg,c,strlen(c));
           buff[x2-x1-1]=0;
           goto_xy(x1+1,y1+i);
           print(buff);
        }
        c=strtok(NULL,"\n");   
     }
ret_:
     if (blind) mess='Y' ; else  do{mess = inkey();} while (mess == KB_SIZE);
/* mouse filter */
     if (mess == KB_MOUSE)
     {
        if (  (mouse_info.but1 !=2) ||
              (mouse_info.row < y1) || (mouse_info.row > y2) ||
              (mouse_info.col < x1) || (mouse_info.col > x2)   ) goto ret_;
        if (mouse_info.row == y2 )
        {  if (mouse_info.col < (x1+x2)/2 /* -1*/ ) mess='Y';
           if (mouse_info.col > (x1+x2)/2 /*+1 */) mess='N';
        }       
     }   
/* end of filter */         
     put_text(&dump); 
     goto_xy(xold,yold);     
     return mess;
}   /* message */
Beispiel #7
0
static int hbb_close(hbb_struct * hbb) {
  int x0=where_x(),
      y0=where_y();
  int i,j;
  if (hbb->status == 0 || !hbb->onscreen) return 0;
  goto_xy(hbb->x,hbb->y);
  scrcolor(hbb->fgc_off,hbb->bgc_off);
  for (i=0;i<hbb->nb;i++) for(j=0;j<=strlen(hbb->hbbar[i].name);j++)
      print("%c",hbb->bg);
  goto_xy(x0,y0);
  hbb->onscreen=0;
  return 0;
}
Beispiel #8
0
static void redraw_remark_lines(void)
{
    int i=0,tls = line_space, j;
    Char *temptxt = text;

    if (!remark_is_open || !text) return;
    line_space = 3;
    set_output_window(&remark_win);
    set_margin(draw_pos);
    set_x_y(0,MARGIN);

    if (scrollbar)
	j = scrollbar_line(scrollbar,0);
    else
	j=0;
    while (i<j) {
	while (*temptxt && !IsNewline(*temptxt)) temptxt++;
	i++;
	if (!*temptxt)
	    i=j;
	else
	    temptxt++;
    }
    if (i==selected_line) set_text_mode(Reverse);
    while (*temptxt && i<j+nr_visible) {
	if (IsNewline(*temptxt)) {
	    if (where_x() && where_x()<black_width)
		thinspace(black_width-where_x());
	    if (i==selected_line) set_text_mode(Normal);
	    out_char(*temptxt);
	    i++;
	    if (i==selected_line) set_text_mode(Reverse);
	} else
	    out_char(*temptxt);
	temptxt++;
    }
    if (where_x() && where_x()<black_width) thinspace(black_width-where_x());
    out_char(Newline);
    clear_to_end_of_page();
    unset_output_window();
    line_space = tls;
}
Beispiel #9
0
static int  correctVar(char* txt,int x,int y, int  type, void * var,int clear)
{  int         npos,key,err;
   int xx;
   void *     pscr; 
   char * buff;
   int *  I;
   long * L;
   double * D;
   int maxLen;

   get_text(x,y,maxCol(),y,&pscr);   
   scrcolor(White,Black);
   goto_xy(x,y);
   print(txt);
   xx=where_x();
   

   if(type<0) {buff=var; maxLen=-type;} else 
   { buff=malloc(100); 
     switch (type)
     {
        case 'L':  L=var;  sprintf(buff,"%ld",*L); break;
        case 'D':  D=var;  sprintf(buff,"%lg",*D); break;
        case 'I':  I=var;  sprintf(buff,"%d" ,*I); break;
     }
     maxLen=MAX(15,strlen(buff));
   }    
   npos = 1;      

   do
   { 
      goto_xy(xx,y);
      key  = str_redact(buff,npos,maxLen);

      if (key == KB_ESC)
      {  
         put_text(&pscr);
         if(type>=0) free(buff);
         return 0;
      }
      err=0;
      if (key == KB_ENTER)
      {
/*         trim(buff); */
         if(type<0) err=1; else
         {
            switch (type)
            {   
              case 'L':   err=sscanf(buff,"%ld",L); break;
              case 'D':   err=sscanf(buff,"%lf",D); break;
              case 'I':   err=sscanf(buff,"%d" ,I); break;
            }
         }                                     
         if (err<=0)   messanykey(10,10," incorrect number"); 
      }
      
   }  while (err<=0);
   
   if(clear)put_text(&pscr); else free(pscr); 
   if(type>=0) free(buff);   
   return 1;   
} 
Beispiel #10
0
int  str_redact(char* txt,int npos, int maxLen)
{  int    i, x, x0, y0;
   int key;
   int first;
   char    txttmp[STRSIZ];
   int t_color=Yellow;   
   int saveFcolor=fColor, saveBcolor=bColor;
   clearTypeAhead();

   strcpy(txttmp,txt);
   if(strlen(txt)>maxLen) txt[maxLen]=0;
   first = 1;
   
   scrcolor(t_color,Black);
   y0 = where_y();
   x0 = where_x();
   print("%-*s",maxLen,txt);
      if (npos<1) npos=1;
   if (npos>strlen(txt)) npos=strlen(txt)+1;
   x = x0 + npos - 1;
   scrcolor(Black,White); 
   goto_xy(x,y0);
   if(npos>strlen(txt)) print("%c",' ');else print("%c",txt[npos-1]);
   scrcolor(t_color,Black);
   goto_xy(x,y0);

   for(;;)
   {
      key = inkey();

      switch (key)
      {	
         case KB_MOUSE:
         if ( mouse_info.row == where_y() && mouse_info.but1 == 2 ) 
         {  npos=mouse_info.col-x0+1; }
         break;
         	
         case 9:      /*  Tab  */
            do
            {
               npos++;
               if (npos > strlen(txt)) npos = 0;
            }  while (!(npos==0 || txt[npos-1] == ','));
            x = x0 + i;
         break;

         case KB_END:
            npos=strlen(txt)+1;   /* End    */
         break;

         case KB_HOME:
            npos=1;   /*  Home  */
         break;


         case KB_RIGHT:
            npos++;
         break;

         case KB_LEFT:
            npos--;
         break;


         case KB_BACKSP:
	   if (npos > 1) npos--; else break;

         case KB_DC:
	   if (npos<=strlen(txt)) for(i=npos-1; txt[i]; i++) txt[i]=txt[i+1];
         break;


         case KB_ESC:
            strcpy(txt,txttmp);
            npos=1;

         case KB_ENTER:
         case KB_F1:
	 case KB_PAGEU:
	 case KB_PAGED:
	 case KB_UP:
	 case KB_DOWN:
            goto label_1; 

         default:
	    if (key > 31 && key <128 && npos<maxLen)                                         
            {                                                               
              if (first)                                                    
              {                                                             
                 sprintf(txt,"%c",key);                                     
                 npos = 2;                                                  
                 x = x0 + npos - 1;                                         
              }                                                             
              else                                                          
              {                                                             
                 if(strlen(txt)>=maxLen-1) txt[maxLen-2]=0; 
                 for (i=MIN(strlen(txt)+1,maxLen-1);i>= npos;i--) 
                                            txt[i] = txt[i-1]; 
                 txt[npos-1] = key; 
                 npos++;
              }                                                             

            }                                                               
      }

      goto_xy(x0,y0); print("%-*s",maxLen,txt);

      if(npos<=0) npos=1;
      if(npos>strlen(txt)) npos=strlen(txt)+1;  
      x=x0+npos-1;
      scrcolor(Black,White); 
      goto_xy(x,y0);        
      if(npos>strlen(txt)) print("%c",' ');else print("%c",txt[npos-1]);
      scrcolor(t_color,Black);
      goto_xy(x,y0);      
   
      first = 0;
   }

label_1: 
   goto_xy(x0,y0);
   if(key!=KB_ESC) print("%s",txt);
   scrcolor(saveFcolor,saveBcolor);
   return key;
}
Beispiel #11
0
void  menu0(int col,int row,char* label, char* menstr ,
	  void (**funcKey)(int) ,char** funcKeyMess, void ** hscr, int* kk)
{  int    i, j, k, col1, npage,lastrow;
   long	  lastpage;
   int    ink;
   int    ncol;
   void * pscr;
   int  fkPos[11];
   int  height;
   char fmt[20];
   int  lastLine;

/* colors */
   int label_fg  =Yellow;
   int label_bg  =Blue;
   int help_fg1  =White;
   int help_fg2  =Black;
   int help_bg   =DarkGray;
   int box_fg    =White;
   int box_bg    =DarkGray;
   int star_fg   =Red;
   int page_fg   =Black;
   int actFunc_fg=Black;
   int actFunc_bg=White;
   int pasFunc_fg=White;
   int pasFunc_bg=DarkGray;

/* save colors */
   int      fcolor_tmp=fColor;
   int      bcolor_tmp=bColor;
   void *hscr_=NULL;
   
   if(hscr==NULL) hscr=&hscr_;
   lastLine=maxRow();
   if (funcKey == NULL) for (i=0;i<11;i++) fkPos[i]=0; else
   {  int xx;
      scrcolor(FGmain,BGmain);
      goto_xy(1,lastLine); clr_eol();
      xx=0;
      for (j=0;j<10;j++) { if(funcKey[j] && funcKeyMess[j]) 
                                          xx=xx+4+strlen(funcKeyMess[j]);}
      xx= (80 - xx )/2 ;
      goto_xy(xx,lastLine);
      for (i=0;i<10;i++)
      { fkPos[i]=where_x();
        if (funcKey[i] && funcKeyMess[i])
        { scrcolor(help_fg1,help_bg); print(" F%i-",i+1);
          scrcolor(help_fg2,help_bg); print(funcKeyMess[i]);
        }
      }
      fkPos[10]=where_x();
   }

   clearTypeAhead();

   if (*kk < 0) *kk = -(*kk);
      ncol=menstr[0];
      sprintf(fmt,"%%%d.%ds",ncol,ncol);
      height=strlen(menstr)/ncol;
      if(height==0) { *kk=0; return; }
      if (row+height+1 >lastLine-2) height=lastLine-3-row;
      lastpage = 1+    (strlen(menstr)/ncol -1)/height ;
   if(label[0] ==0 || row == 1) 
   { if (*hscr == NULL)  get_text(col,row,col+ncol+1,row+2,hscr);} 
   else
   {  char label_[STRSIZ];
      int shft,sz;
      if (*hscr == NULL) get_text(col,row-1,col+ncol+1,row+2,hscr); 
      for(i=0;i<ncol+2;i++) label_[i]=' ';
      label_[ncol+2]=0;  
      sz=strlen(label);
      if(sz >ncol+2) {shft=0;sz=ncol+2;} else shft=(ncol+2 -sz)/2;  
      memcpy(label_+shft,label,sz); 
      scrcolor(label_fg,label_bg);
      goto_xy(col,row-1);
      print(label_);
   }

   get_text(col,row + 3,col + ncol + 1,row + height + 1,&pscr);

   if (*kk <= 0  || *kk > lastpage * height   )
   {  npage = 1;
      k = 1;
   }
   else {
      k = ((*kk) - 1) % height + 1;
      npage = ((*kk) - 1) / height + 1;
   }
   col1 = col + 1;

label_1:
      scrcolor(box_fg,box_bg);
      chepbox(col,row,col + ncol + 1,row + height + 1);
      scrcolor(star_fg,box_bg);
      goto_xy(col+1,row); print("<");
/*      goto_xy(col+1,row + height+1);  print("?"); */
      scrcolor(page_fg,box_bg);
      if (npage > 1)
      {
         goto_xy(col + ncol - 2,row);
         print("PgUp");
      }
      if (npage < lastpage)
      {
         goto_xy(col + ncol - 2,row + height + 1);
         print("PgDn");
      }

      if(npage<lastpage) lastrow=height;
		  else   lastrow = (strlen(menstr)/ncol)%height;

   lastrow=0;
   scrcolor(pasFunc_fg,pasFunc_bg);
   for (j = 1; j <= height; j++)
   {  int shift;
      goto_xy(col + 1,row + j);
      shift=1+(j-1 + (npage-1)*height)*ncol;
      if(shift<strlen(menstr)) {print(fmt,menstr+shift );lastrow++;}
		 else           print(fmt," ");

   }

   scrcolor(actFunc_fg,actFunc_bg);
   if (k > lastrow) k = lastrow;
   goto_xy(col + 1,row + k);
   if (lastrow) print(fmt,menstr+1+(k-1+(npage-1)*height)*ncol);
   while (1)
   {  int jump=1,mousePos;

      scrcolor(pasFunc_fg,pasFunc_bg); 

      ink = inkey();
/* mouse filter */
      if ((ink==KB_MOUSE)&&(mouse_info.but1 == 2))
      {
         if (mouse_info.row == lastLine )
         for(i=0; i<10;i++)
         if ((mouse_info.col > fkPos[i]) && (mouse_info.col < fkPos[i+1]))
         {  if (i==9)ink='0'; else ink='1'+i;}

         if ( (mouse_info.col >= col ) && (mouse_info.col <=col+ncol+1) )
         {  mousePos = mouse_info.row - row;

            if (col+ncol+1-mouse_info.col <4)
            {
               if (mousePos==0)        ink=KB_PAGEU;
               if (mousePos==height+1) ink=KB_PAGED;
            }

            if ((mousePos == 0 ) && ( mouse_info.col-col <4)) ink=KB_ESC;

            if ((mousePos < 0)&&(mousePos >= height))
            {
               if (mousePos > k)  {ink=KB_DOWN; jump=mousePos - k;}
               if (mousePos < k)  {ink=KB_UP;   jump=k - mousePos;}
               if (mousePos==k )   ink=KB_ENTER;
            }
         }
      }
/* end of filter */
      if (lastrow == 0) goto label_3;
label_4:
      switch (ink)
      {
        case KB_MOUSE:
        if (mouse_info.but1 != 2) break;
        if (mouse_info.row == lastLine )
        for(i=0; i<10;i++)
          if ((mouse_info.col > fkPos[i]) && (mouse_info.col < fkPos[i+1]))
          {  if (i==9)ink='0'; else ink='1'+i;
             goto label_4;
          }

        if ( (mouse_info.col < col ) || (mouse_info.col >col+ncol+1) ||
             (mouse_info.row < row ) || (mouse_info.row >row+height+1) ) break;

           mousePos = mouse_info.row - row;
           if ((mousePos == 0 ) && ( mouse_info.col-col <4)) ink=KB_ESC;
           if ((mousePos != 0)&&(mousePos != height+1))
           {
              if  (mousePos > k)  { ink=KB_DOWN; jump=mousePos - k;}
              if (mousePos < k      ) { ink=KB_UP;   jump=k - mousePos;}
           }
           if (col+ncol+1-mouse_info.col <4)
           {
              if (mousePos==0)        ink=KB_PAGEU;
              if (mousePos==height+1) ink=KB_PAGED;
           }
           if (mousePos==k       ) ink=KB_ENTER;
           if (ink!=KB_MOUSE) goto label_4;

          break;

		  case  KB_DOWN: 
           if(k==lastrow)
           { 
              if(npage < lastpage)
              {  k=1;
                 npage++;
                 goto label_1;
              } else { be_be(); break; }           
           }else {ink= KB_RIGHT; goto label_4;}

		  case  KB_UP: 
           if(k==1)
           {
              if (npage > 1)
	      {
                 k=height;
		 npage--;
		 goto label_1;
              }
              else{ be_be(); break; }           
           }
           else {ink= KB_LEFT; goto label_4;}

		  case KB_LEFT: 
            goto_xy(col1,row + k);
	    print(fmt,menstr+1+(k-1+(npage-1)*height)*ncol);
            k = k - jump;
            if (k == 0) k = lastrow;
            scrcolor(actFunc_fg,actFunc_bg);
            goto_xy(col1,row + k);
	    print(fmt,menstr+1+(k-1+(npage-1)*height)*ncol);
         break;

                  case KB_RIGHT:
	    goto_xy(col1,row + k);
	    print(fmt,menstr+1+(k-1+(npage-1)*height)*ncol);
            k = k + jump ;
            if(k > lastrow) k = 1;
            scrcolor(actFunc_fg,actFunc_bg);   
            goto_xy(col1,row + k);
	    print(fmt,menstr+1+(k-1+(npage-1)*height)*ncol);
         break;

                  case KB_ENTER:
            scrcolor(box_fg,box_bg);
            chepbox(col,row,col+ncol+1,row+2);
            put_text(&pscr);
            goto_xy(col1,row + 1);
            scrcolor(actFunc_fg,actFunc_bg);
	    print(fmt,menstr+1+(k-1+(npage-1)*height)*ncol);
            *kk = (npage - 1) * height + k;
            goto_xy(1,lastLine);scrcolor(FGmain,BGmain); clr_eol();
            if(hscr==&hscr_) put_text(hscr); 
            refresh_scr();
            escpressed();
            return;

			case  KB_BACKSP:
			case  KB_ESC:
            goto label_3;

			case KB_PAGEU:
            if (npage > 1)
            {
               npage--;
               goto label_1;
            }
            else
               be_be();
         break;

			case KB_PAGED:
            if (npage < lastpage)
            {
               npage++;
               goto label_1;
            }
            else
               be_be();
	    break;

	case  '1':  case'2':	   case  '3':	case  '4':	case  '5':
	case '6':   case '7':	case  '8':	case  '9':	case  '0':
	case KB_F1: case KB_F2: case KB_F3: case KB_F4: case KB_F5:
	case KB_F6: case KB_F7: case KB_F8: case KB_F9: case KB_F10:
	{  int fk;
           if (funcKey==NULL) break;
	   if ( ink>='0' && ink <='9') { fk=ink-'0';if (fk==0) fk=10;}
	      else fk=ink-KB_F1+1;
	   if ((funcKey[fk-1]) != NULL)
           {  void * saveHlp;
	      get_text(1,lastLine,maxCol(),lastLine,&saveHlp);
	      scrcolor(box_fg,box_bg);
	      goto_xy(col+1,row); print("%c",boxFrame[1]);
	      goto_xy(1,lastLine);scrcolor(FGmain,BGmain);clr_eol();
	      (*funcKey[fk-1])((npage-1)*height+k);	 
	      put_text(&saveHlp);
	      scrcolor(star_fg,box_bg);
	      goto_xy(col+1,row); print("<");
	   }
           break;
        }
        case 6:  /* ^F */
        case 'f':
        case 'F':
        {  char name[32]="";
           int key=correctStr(5,23,"Enter name(Esc for exit):",name,30,1);
           if(key)
           { char * x=strstr(menstr+1,name);
             if(x==NULL) 
             {
               if(blind) sortie(121); else messanykey(10,10, "Not detected"); 
               break;
             }
             k= ((x-menstr)-1)/menstr[0];
             npage = k/ height + 1;
             k = k% height + 1;
             goto label_1;
           }
        } break; 
     }
  }

label_3:
   put_text(hscr);
   put_text(&pscr);
   scrcolor(fcolor_tmp,bcolor_tmp);
   goto_xy(1,lastLine); clr_eol();
   *kk = 0;
}
Beispiel #12
0
void showtext(int x1, int y1, int x2, int y2, char* headline,
 FILE * fileptr )
{
   int   key;
   void *  pscr;
   int   i,l;
   linelist  currentline=NULL,lastline;
   int width=x2-x1-1;
   int fc=fColor,bc=bColor;	

   if (fileptr==NULL || !readnewline(fileptr,width,&currentline))
   {
      messanykey(10,10," File is empty");
      return;
   }
	       
   if(y2<=y1+1) 
      for (y2=y1+2;y2<maxRow()&&readnewline(fileptr,width,&currentline);y2++)
         currentline=currentline->next;	      
            
   get_text(x1,y1,x2,y2,&pscr);

   scrcolor(Black,White);
   chepbox(x1,y1,x2,y2);
   scrcolor(Red,White);	
   goto_xy(x1+1,y1); print("*");
   l=strlen(headline);
   if ( l < (x2-x1) )
   {
      goto_xy(x1+(x2-x1-l)/2,y1);
      scrcolor(White,Black);
      print(headline);
      scrcolor(Black,White);
   }

   key = KB_PAGEU;
   do
   {
      switch (key)
      {
	case KB_PAGEU:
	   for (i=y1+1;i<y2;i++)
	     if (currentline->pred !=NULL)  currentline=currentline->pred;
           break;

	case KB_UP:
	   for(i=1;i<(y2-y1)/2;i++)
              if (currentline->pred !=NULL)  currentline=currentline->pred;
	   break;

	case KB_PAGED: 
	   for (i=y1+1;i<y2;i++)
	   {
	      readnewline(fileptr,width,&currentline);
	      if (currentline->next !=NULL)  currentline=currentline->next;
	   }
	   break;

	case KB_DOWN:
	   for(i=1;i<(y2-y1)/2;i++)
           {
	      readnewline(fileptr ,width,&currentline);
	      if (currentline->next !=NULL)  currentline=currentline->next;
	   }
			break;

      }  /*  Case  */

/*    display */

      lastline=currentline;
      goto_xy(x2-4,y1); 
      if( lastline->pred == NULL) for (i=0;i<4;i++) print("%c",boxFrame[1]);
              else                print("PgUp");
      for (i =y1+1; i <y2; i++)
      {
	   goto_xy(x1+1,i);
	   readnewline(fileptr,width,&lastline);
	   if ( lastline !=NULL ) { print("%s",lastline->line);
	   lastline=lastline->next;}
	   print(buff+where_x()+80-x2);
      }
      goto_xy(x2-4,y2);
      if (lastline == NULL) for (i=0;i<4;i++) print("%c",boxFrame[5]);
              else                            print("PgDn");   
      key = inkey();
/* mouse filter */
       if ( (key == KB_MOUSE)&&(mouse_info.but1==2)
         &&(mouse_info.col >= x1)&&(mouse_info.col <= x2)  )
       { 
         if (x2 - mouse_info.col <4 ) 
         { if(mouse_info.row == y1) key=KB_PAGEU; else            
           if(mouse_info.row == y2) key=KB_PAGED;
         }   
         if ( (mouse_info.row == y1)&&(mouse_info.col - x1 <3)) key=KB_ESC;
         if ((mouse_info.row > y1)&&(mouse_info.row < y2))                        
         { if (mouse_info.row < (y1+y2)/2)  key=KB_UP; else key=KB_DOWN;}
       }                   
/* end of filter */                                        
   }  while ((key != KB_ESC)&&(key !=KB_BACKSP));
     
   scrcolor(fc,bc);
   put_text(&pscr);
   while (currentline->pred != NULL )  currentline=currentline->pred;
   dellinelist(currentline);

}