Create Notepad in C

#include<conio.h>
#include<stdio.h>
#include<string.h>
#include<iostream.h>

class NotePad
{
 private:
  int x;
  int y;
  int key;
  int total_chars;
  int total_words;
  int total_sentance;
  int line[100];
 public:
  void clipboard()
  {
   x=1,y=1,total_words=0,total_chars=0;
   int line_index=0;

   while(key!=27)
   {
    gotoxy(1,50);cout<<"Col: "<<x<<" ";
    gotoxy(11,50);cout<<"Rows: "<<y;
    gotoxy(21,50);cout<<"Total Chars: "<<total_chars;
    gotoxy(40,50);cout<<"Total Words: "<<total_words;
    total_chars++;
    gotoxy(x,y);
    key=getch();
    gotoxy(x,y);printf("%c",key);
    if(key==13)
    {
     y++;
     line[y]=x;
     x=1;
    }
    else if(key==32)
    {
     total_words++;
    }
    else if(key==8)
    {
     x=line[y]-1;
     gotoxy(x,y);cout<<" ";
    }
    else
    {
     x++;
    }
   }
  }
};


void main(void)
{
 clrscr();
 NotePad np;
 np.clipboard();
 getch();
}