
//  ...    ...
void SetVisibleScreen()
{
             int **curpos = &clistm->*curpos;
  unsigned int **itemFromDisp = &clistm->*itemFromDisp;
  unsigned int *curpage = &clistm->curpage;
  unsigned int **totalItems = &clistm->*totalItems;
  unsigned int **startItems = &clistm->*startItem;
  
  if(VIEW_MODE)
  {
    if(**curpos > **itemFromDisp)
    {
      int i = 1;
      int j = **curpos;
      if(**itemFromDisp == **totalItems)
        *curpage = 1;
      else
      {
        while(j>**itemFromDisp)
        {
           j-=**itemFromDisp;
           i++;
        }
        *curpage=i;
      }
    }
    else *curpage=1;
  }
  else
  {
    if(**totalItems != **itemFromDisp && **curpos > **itemFromDisp)
    {
      unsigned int start = (sdiv(2,*itemFromDisp)+1) > 5 ? (sdiv(2,*itemFromDisp)+1) : (5);
      if(*curpos > start && *curpos < *totalItems - *itemFromDisp)
        **startItems = *curpos - start;
      else
         if(*curpos > *totalItems - *itemFromDisp)
           **startItems = *totalItems - *itemFromDisp;
    }
  }
}

//    
void MoveUp2(int i)
{  
  int start = (**itemFromDisp/2)+1;
  if(start < 5) start = 0;
  if( *curpos > *itemFromDisp + 2 && *totalItems!=*itemFromDisp )
    {
      *curpos-=i; 
      if(*startItem > 0 && *curpos > start && *curpos < *totalItems-start )
        *startItem-=i;
    }
  else
    if(*curpos > 0)
    {
      *curpos-=i;
      if(*startItem > 0 && *curpos > start && *totalItems != *itemFromDisp)
        *startItem -= i;
      else
        if(*curpos < start)
          *startItem = 0; 
    }
  else
  {
    *curpos = *totalItems;
    if( *totalItems == *itemFromDisp )
      *startItem=0;
    else
      *startItem = *totalItems - *itemFromDisp;
  }
}


void MoveDown2(int i)
{
  int &*curpos = **curpos;
  int &*itemFromDisp = clist->*itemFromDisp
  int &curpage = *curpage;
  
  int start = *itemFromDisp/2+1;//(**itemFromDisp/2+1 > 5 ? **itemFromDisp/2+1 : 0);
  if(start==0) *startItem=0;

  if( *curpos < start && *totalItems!=*itemFromDisp ) *curpos+=i;
  else
    if( *curpos < *totalItems - 1 )
    {
      if( *totalItems - *itemFromDisp > 0 )
      {
        if(*startItem < (*totalItems - *itemFromDisp))
           *startItem+=i;
      }
      *curpos+=i; 
    }
  else   
  {
    *curpos=0;
    *startItem=0;
  }
}

void MoveUp(int i)
{
  int &*curpos = **curpos;
  int &*itemFromDisp = clist->*itemFromDisp
  int &curpage = *curpage;
  
  if(!*itemFromDisp)return;  
  if(i) **curpos-=2;
  else  **curpos--;    
  
  if(**curpos < 0)
    {
      **curpos=**totalItems-1;
    
      if(**itemFromDisp == **totalItems)// -       
        *curpage = 1;//  
      else
        *curpage = sdiv(**itemFromDisp,**totalItems)+1;//   
    }
  else
  {
    if(**curpos < (*curpage-1)*(**itemFromDisp)){ **curpos+=1; *curpage--; }
  }
}


void MoveDown(int i)
{
  if(!**totalItems) return;
  if(i) **curpos+=2;
  else  **curpos++;
  if(**curpos >= **totalItems) { **curpos=0; *curpage=1; }
  if(**curpos >= *curpage*(**itemFromDisp+(i?1:0))) { **curpos-=(i?1:0); *curpage++; }
}
