pr1.cpp

/*      enum   { PGUP=73 ,PGDOWN=81 , ArrowLeft=75 ,ArrowRight=77,Home=71 ,ALT_F3=106 ,
		Ctrl_PGUP=132 ,Ctrl_PGDOWN=118 ,Ctrl_Home=119 ,Ctrl_End=117 ,
		ArrowDown=80 ,ArrowUp=72 ,ESC=27 ,ENTER=13 , ALT_X=45,End=79,
		F1=59 , F2=60 ,F3=61 ,F5=63 ,F7=65, F10=68 , TAB=9 , Shift_Tab=15
*/

# include <strstrea.h>
# include "arrems.hpp"
//# include<fstream.h>
//# include<conio.h>
//#include<string.h>

#include<alloc.h>
//#include"sayeh.hpp"

//#include "air.hpp"

# define ESC     27
# define HOME    327
# define END     335
# define PGUP    329
# define PGDOWN  337

# define LEFTARR   331
# define RIGHTARR  333
# define UPARR     328
# define DOWNARR   336

# define ALT_F3  362

#define CTRL_PGUP  388
#define CTRL_PGDOWN   374
#define CTRL_HOME     375
#define CTRL_END      373
#define   F9          323

int getchcode(void);
void menu(int x1, int y1, int x2, int y2, int color, int background);
void   putinscreen(int x1 ,int y1,char *str,unsigned int back=1, unsigned int = 14);
void move_cursor_to(int x , int y);

//void  edit( char * , char * = 0 ,int  = 1 , int  = 2 , int  =  80 , int  = 25 ) ;


# include <stdio.h>
# include <conio.h>
# define  NO_ALL_CHAR  100000L

EmsArray linesEditFile( NO_ALL_CHAR , sizeof(char) ) ;
char  file_name[30] ;

class Edit{
// check is neeed for limit of no character in one line
// start_x  and  start_y is constant

	int first_line,end_line,first_col,end_col,limit_line,limit_col,check;
	int x_curs , y_curs , no_lines,start_x,start_y ;
  public:
		 Edit(int no_line,int left,int top , int right , int bottom)
		 {
	  check=195;
	  no_lines = no_line ;
	  first_line=0 ;
	  limit_line=bottom -top - 1 ;
	  limit_col=right - left - 1 ;
	  first_col =0 ;
	  start_x = left + 1 ;
	  start_y = top  + 1 ;

	  end_col = first_col+limit_col;
	  end_line= first_line+limit_line;
	  x_curs=start_x;
	  y_curs=start_y;
	  if(end_line>no_line)
		 end_line=no_line;
	 }
	void draw(void);
	int hevent(char *);
	void  Edit::display();

};
void  Edit::draw()
{
	char  l1[80];
	long  z = end_line  * 200 ;
	register int  k = 0 , i = 0 ;
	for( long int  j = 200 * first_line ; j < z ; j += 200 , k++ )
	{
		for(i = first_col ; i < first_col + limit_col ; i++)
			l1[ i - first_col ] = linesEditFile[ j + i ] ;
		l1[ i - first_col ] = '\0' ;
		putinscreen(start_x ,start_y+k,l1);
	}
	 move_cursor_to(x_curs,y_curs);
}

void  Edit::display()
{
	char  l1[80];
	long  z = end_line  * 200 ;
	register int  k = 0  ;
	for( long int  j = 200 *( first_line+1) ; j < z ; j += 200 , k++ )
		cout << "line="<<(int)(unsigned char)linesEditFile[j-(long)2 ]<< endl; ;
}
int  Edit::hevent(char *s1)
{
			int  p ;
		int noch;
		int  l = start_x - 1 ;
		int  t = start_y - 1 ;
		int  r = start_x + limit_col  ;
		int  b = limit_line + start_y + 1 ;

		long j;
//	Printer  printer(p) ;
	int c = getchcode() ;
	int  m = 0 , z = 1 ;
	switch(c) {
  /*	case     F9    :
		m = 1 ;

		_setcursortype(_NOCURSOR) ;

		if( ! p ) {
			_setcursortype(_NORMALCURSOR) ;
			break ;
		}
		printer.print(file_name,NULL) ;
		menu(l, t, r, b-1, WHITE, BLUE) ;

		putinscreen( r - 14 , b - 1 , " F9  ”Œ " ,5) ;

		if( s1 )
			putinscreen( l + ( r - l ) / 2 - strlen(s1) / 2 - 1 ,t,s1 ,5) ;

		_setcursortype(_NORMALCURSOR) ;
		break ;
		*/
	case    HOME   :
		 x_curs = start_x ;
		 if( first_col != 0 )
			first_col = 0 , m = 1 ;
		break ;
	case    END    :
		 j= (long)(first_line+y_curs-(long)start_y + 1 )*200  ;
		 noch =(int)(unsigned char)linesEditFile[j-2 ] ;
//              cout<<"noch = "<<noch<<"   j="<<j <<"    " ;

		if( noch - first_col < limit_col )
			x_curs = noch - first_col + start_x ;
		else {
			first_col = noch - limit_col + 1 ;
			m = 1 ;
			x_curs = start_x + limit_col - 1 ;
		}
		break ;
	case    PGUP   :
		  if(first_line >0)
		  {
			if( first_line - limit_line + 1 > 0 )
				first_line -= limit_line -1 ;
			else
				first_line = 0 ;
			end_line = first_line + limit_line ;
			m=1 ;
		  }
		  else
			 y_curs = start_y ;
		break ;
	case   PGDOWN  :
			if( end_line >= no_lines - 1 )
			break ;
			if( end_line > no_lines - 1 - limit_line ) {
			first_line = no_lines - 1 - limit_line ;
			end_line = no_lines - 1 ;
			m = 1 ;
			} else {
			first_line += limit_line - 1 ;
			end_line += limit_line - 1 ;
			m = 1 ;
			}
		break ;
	case   LEFTARR :
		if( x_curs != start_x )
			x_curs -- ;
		else if( first_col != 0 ) {
			first_col -- ;
			m = 1 ;
		}
		break ;
	case  RIGHTARR :
		if( x_curs != limit_col + start_x -1 )
			x_curs ++ ;
		else if( first_col + limit_col < 195 ) {
			first_col ++ ;
			m = 1 ;
		}
		break ;
	case   UPARR   :
		if( y_curs > start_y )
			y_curs -- ;
		else if( first_line > 0 ) {
			first_line -- ;
			end_line -- ;
			m = 1 ;
		}
		break ;
	case  DOWNARR  :
		if( y_curs < limit_line + start_y - 1 )// && first_line + y_curs -2 >no_lines )
			y_curs ++ ;
		else if( end_line < no_lines - 1 ) {
			first_line ++ ;
			end_line ++ ;
			m = 1 ;
		}
		break ;
	case    CTRL_PGUP :
		if( first_line == 0 )
			break ;
		first_line = 0 ;
		end_line = first_line + limit_line ;
		m=1 ;
		y_curs = start_y ;
		break ;
	case    CTRL_PGDOWN:
			if( end_line >= no_lines - 1 )
			break ;
			first_line = no_lines - 1 - limit_line ;
			end_line = no_lines - 1 ;
			m = 1 ;
			break ;
	case    CTRL_HOME :
			y_curs = start_y ;
			break;
	case    CTRL_END :
			if( end_line < first_line + limit_line )
			y_curs = end_line - first_line + start_y ;
			else
			y_curs = start_y + limit_line - 1 ;
			break;
	case   ALT_F3  :
	case   ESC :
		z = 0 ;
		break ;
	}
	if( m )
		draw() ;
	 move_cursor_to(x_curs,y_curs);
	 return z;
}

int  init(char *name,int &no_lines)
{

	register unsigned long int i,j ;
	if(linesEditFile.status() != EmsArray::okay) {
		cout<<"error allocating  x = "<<(int)linesEditFile.status()<<'\n' ;

	return  1 ;
	}

	no_lines = 0 ;
	char l1[200];
	ifstream  fn(name);
	if( ! fn ) {
		cout<<"can not open file " ;
		return 2 ;
	}
	for( i = 0 ; i < NO_ALL_CHAR ; i++ )
		linesEditFile[i] = ' ' ;
	fn.getline(l1,sizeof(l1),'\n');
	while( ! fn.eof() ) {
		j = 0 ;
		for( i = 0 ; ( i < 195 ) && l1[i] ; i++,j++) {
			if( l1[i] == '\t' )
				for(int  zi = 0 ; zi < 7 ; zi++ , j++ )
					linesEditFile[(long)(200*(long)no_lines+(long)j)] = ' ' ;
			else
				linesEditFile[(long)(200*(long)no_lines+(long)j)]=l1[i];
		}
		if( no_lines > 497 )
			return  3 ;
		no_lines++ ;

		linesEditFile[200*(long)(no_lines)-(long)2]=(unsigned char)j ;
		linesEditFile[200*(long)(no_lines)-(long)1]='\0' ;

		fn.getline(l1,sizeof(l1),'\n');
	}
	strcpy(file_name,name) ;
	return 0 ;
}
void  edit( char  * s , char  * s1 ,  int  l , int  t , int  r , int  b )
{
	_setcursortype(_NORMALCURSOR) ;
	int  no_lines ;
	int err = 0 ;
	if ( (err = init( s , no_lines )) )
	{
		char buf12[50];
		for(int ii=0 ; ii<49;ii++)
			buf12[ii]=' ' ;
		buf12[ii]= '\0';
		for(ii=0;ii<5;ii++)
			putinscreen(5,5+ii,buf12,5);
		if(err == 1 )
			putinscreen(10,8," can not allocate memory " ,1);
		else if(err==3)
			putinscreen(10,8," file is too big  " ,1);
		else
			putinscreen(10,8," can not open file  1" ,1);
		getchcode();
		return ;
	}

	Edit  e1(no_lines,l,t,r,b-1) ;

	menu(l, t, r, b-1, WHITE, BLUE) ;
//	putinscreen( r - 14 , b - 1 , " F9  ”Œ " ,5) ;

	if( s1 )
		putinscreen( l + ( r - l ) / 2 - strlen(s1) / 2 - 1 ,t,s1 ,5) ;
	e1.draw() ;
	while(e1.hevent(s1));
/*
	if( r < 78  &&  b < 24 ) {
		window  (l , t , r + 2 , b + 1 ) ;
		a5.draw() ;
		char  ch = (char) 176 ;
		textbackground(7) ;
		textcolor(1) ;
		for( int   i = 0 ; i < ( r - l + 3 ) * ( b - t + 1 ) ; i++ )
			a5<<ch ;
	} else {
		win  a5(l,t,r,b) ;
		a5.draw() ;
		char  ch = (char) 176 ;
		textbackground(7) ;
		textcolor(1) ;
		for( int   i = 0 ; i < ( r - l + 1 ) * ( b - t ) ; i++ )
			a5<<ch ;
	}
  */
//	mouse.show() ;
}
/*
main(int argc,char *argv[])
{
//	clrscr();textbackground
	cout<<"cor  "<<coreleft()<<endl;

	if(argc<3) {
		cout<<" .£ö« ‹¥›‹ ü©Œõ«‹öú ¥‹¦ê‹ ò¥õ £ ¦‹ £þŒ“ øóŒõ¥“ ôþ‹\n" ;
	}
	else {
		int  l,t,r,b ;
		char  s[80] ;
		ostrstream   a1(s,80) ;
		a1<<' ' ;
		for( int  i = 2 ; i < argc - 1 ; i++ )
			a1<<argv[i]<<' ' ;
		a1<<'\0' ;
		sscanf(argv[argc-1],"%d_%d_%d_%d",&l,&t,&r,&b) ;
		cout<<" l  " << l <<" t " <<t <<" r "<<r<<" b "<<b<<"  " <<argv[argc-1]<<endl;

		edit(argv[1],s,l,t,r,b) ;
	}

		_setcursortype(_NORMALCURSOR) ;
		EmsArray lines2( NO_ALL_CHAR , sizeof(char) ) ;
		EmsArray lines3( NO_ALL_CHAR , sizeof(char) ) ;
		cout<<"cor  "<<coreleft()<<endl;
}
*/