include<dos.h>

#include<process.h>

#include<string.h>   // for various functions of strings like gets or puts

#include<fstream.h>   // for files

#include<stdio.h>

#include<iostream.h>

#include<conio.h>

void starting();

void typing();

void openfile(char *);

void newfile(char *);

void print(char i[],int x,int y);



char ch ;

char s[20];

char xs[20];

char ys[20];



void main()

{

    clrscr();

    textmode(BW40);

    print(" MY NOTEPAD ",3,14);

    print(" Presented",6,14);

    print(" By ",7,17);

    print("Tyler Levell",8,13);





      textmode(BW80);



starting();





  typing();

   getch();

   }







 void starting()

 {   textcolor(1);

     textbackground(WHITE);





    clrscr();

    for(int i=0 ;i<45;i++)

    {if(i==0||i==44)

       cout<<"||";

       else if(i==4)

       cout<<" ctrl+O(Open file)";

       else if(i==24)

       cout<<" ctrl+n(New file)";

       else

       cout<<"=";}

        gotoxy(80,24);  cout<<endl;

     for( i=0 ;i<37;i++)

    {if(i==0||i==47)

       cout<<"||";

       else if(i==4)

       cout<<" ctrl+s(save file)";

       else if(i==16)

       cout<<" ctrl+k(Help)";

       else if(i==26)

       cout<<"ctrl+q(Quit)";

       else

       cout<<"=";}

}





void typing()

{  int i=0;

    char *p=new char[2000];

 step1 :  int row=2 ,col=1;

 while(ch!=19)

{

gotoxy(col,row);



  step2:  if(col==79)

     {col=1;row++;}

    else if (row==24)

      goto step1;

    int a;

    ch=getch();

    if(ch == 0)

    ch = getch();



      a=ch;  // To convert character to its ascii code



      switch(a)

{

case 13 : row=row++;col=1;      // case for press enter for next line

        gotoxy(col,row);

        ch='\n';

        break;



case 8 :

          if(col==1)           // case for backspace

         {row--;col=78;}

       else

        {col--;

        cout<<"  ";

         i--;

        }

        continue;



case 9 :    col=col+8;           // case for tab function

         if(col>79)

        {row++;col=col-79;

        }

         continue;



case 72 : row--;              //upper arrow key

       continue;



case 77 : col++; continue;     //right arrow key



case 75 : col--; continue;    //left arrow key



case 80 :                     //down arrow key

       row++;

       continue;



case 14 :   clrscr();       //to creat new file ctrl+n

        cout<<"Enter File`s Path ";

        gets(s);

        newfile(s);

        starting();

        break;



case 15 :     clrscr();   //to open existing file  ctrl+o

          cout<<"Enter file`s path to be open :" ;

          gets(xs);

          starting();

          openfile(xs);

          continue;









case 11 :     clrscr();

          gotoxy(20,3);

          cout<<"~`~`~`~`~  HELP PORTION  ~`~`~`~`~";

          gotoxy(20,4);

          cout<<"Following Are the Keys Used in My-Note PAD : ";

         int za=10;

          for(int i=0;i<46 ;i++ )

          {

           gotoxy(za,5);

        cout<<"=";za++;}

         za=6;

           for(i=0;i<15;i++)

           {gotoxy(10,za);

         cout<<"|"<<endl;



         za++;}

             za=10;

           for( i=0;i<46 ;i++ )

          {

           gotoxy(za,21);

        cout<<"=";

        za++;}

         za=6;

          for(i=0;i<15;i++)

           {gotoxy(56,za);

         cout<<"|"<<endl;



         za++;}



         gotoxy(13,6);

         cout<<" 1-To Open File Press  ( ctrl + o ) ";

         gotoxy(13,8);

         cout<<" 2-To create New File Press(ctrl+n) " ;

         gotoxy(13,10);

         cout<<" 3-MOve Arrow keys (up,down,right,left)" ;

         gotoxy(13,12);

         cout<<" 4-Back Space ";

         gotoxy(13,14);

         cout<<" 5-Save File(ctrl+s)";

         gotoxy(13,16);

         cout<<" 6-Enter For new line ";

         gotoxy(13,18);

         cout<<" 7-Enter ctrl+q(Quit)";



         gotoxy(13,20);

         cout<<"Press any key to Go back " ;



          getch();

          clrscr();

         starting();



         continue;





case 17 :  clrscr();

       gotoxy(24,6);

       cout<<"Thank You For using PIcs-soft Word ";

       cout<<endl;

       gotoxy(24,8);

       cout<<"Have A NIce Time ";

       getch();

       exit(0);













  }



    cout<<ch;

      p[i]=ch;

       col++; i++;



     p[i]='\0';

       }

       clrscr();

       cout<<"enter path where you want to save the file ";

       gets(ys);  int j=0;

       ofstream f1(ys,ios::out);

            while(p[j]!='\0')

       {f1.write((char*)&p[j],sizeof(p[j]));

        j++;}

       f1.close();

      delete [] p;

     exit(0);







}





void newfile(char *s)

{

   ofstream file(s,ios::out);

   file.close();

}



void openfile(char *xs)

{ char ch;  int col=3,row=2;

gotoxy(col,row);

  ifstream file(xs,ios::in);

  while( file.read((char*)&ch,sizeof(ch)))

                    cout<<ch;



           file.close();

}





void print(char i[],int x,int y)

    {

    char far* ptr=(char far*) 0xB8000000+(160*x)+(2*y) ;

    for(int a=0; i[a]!='\0'; a++)

        {

        *ptr=i[a];

        *(ptr+1)=16;

        ptr=ptr+2;

        delay(250);

        }

    ptr=ptr+2;

    }