#ifndef _key_c_
#define _key_c_

#include "elastro.h"


int ReadKey(void)
{
	int key,key1,key2,key3,key4;
	struct termios it;

	key  = 0;
	key1 = 0;
	key2 = 0;
	key3 = 0;
	key4 = 0;


	tcgetattr(fileno(stdin),&it);
	it.c_lflag &= ~(ICANON);
	it.c_lflag &= ~(ECHO);
	it.c_iflag &= ~(INPCK|ISTRIP|IXON);
	it.c_oflag &= ~(OPOST);
	it.c_cc[VMIN] = 1;
	it.c_cc[VTIME] = 0;

	tcsetattr(fileno(stdin),TCSANOW,&it);

	key1 = fgetc(stdin);

	if(key1 == 27){

		key2 = fgetc(stdin);
		
		if(key2 == 91){

			key3 = fgetc(stdin);
			
			if(key3 == 91){
				key4 = fgetc(stdin);
				if(key4 == 65)key = FN1;
				if(key4 == 66)key = FN2;
				if(key4 == 67)key = FN3;
				if(key4 == 68)key = FN4;
				if(key4 == 69)key = FN5;
								
			}
			if(key3 == 49){
				key4 = fgetc(stdin);
				if(key4 == 55)key = FN6;
				if(key4 == 56)key = FN7;
				if(key4 == 126)key = HOME;
				
			}
			if(key3 == 50){
				key4 = fgetc(stdin);
				if(key4 == 48)key = FN9;
				if(key4 == 49)key = FN10;
				if(key4 == 51)key = FN11;
				if(key4 == 52)key = FN12;
				if(key4 == 126)key = INS;
			}
			
			if(key3 == 51){
				key4 = fgetc(stdin);
				if(key4 == 126)key = DEL;
			}
			
			if(key3 == 52){
				key4 = fgetc(stdin);
				if(key4 == 126)key = END;
			}
			
			if(key3 == 53){
				key4 = fgetc(stdin);
				if(key4 == 126)key = PGUP;
			}
			
			if(key3 == 54){
				key4 = fgetc(stdin);
				if(key4 == 126)key = PGDN;
			}
			
			if(key3 == 65)key = UP;
			if(key3 == 68)key = LEFT;
			if(key3 == 67)key = RIGHT;
			if(key3 == 66)key = DOWN;
			
		}
		
	}

	tcgetattr(fileno(stdin),&it);
	it.c_lflag |= ICANON;
	it.c_lflag |= ECHO;
	it.c_iflag |= IXON;
	it.c_oflag |= OPOST;

	tcsetattr(fileno(stdin),TCSANOW,&it);

	if(key == 0){
		if(key1 != 0){
			if(key3 == 0){
			if(key4 == 0)key = key1;
			}
		}
	}
	
	if(key == 10) key = ENTER;
	if(key == 127)key = BACKSPACE;
	if(key == 8)  key = BACKSPACE;
	if(key == 9)  key = TAB;

	return(key);
}




#ifdef OSX11

int ReadKey(void)
{
	int key,key1,key2,key3,key4;
	struct termios it;

	key  = 0;
	key1 = 0;
	key2 = 0;
	key3 = 0;
	key4 = 0;


	tcgetattr(fileno(stdin),&it);
	it.c_lflag &= ~(ICANON);
	it.c_lflag &= ~(ECHO);
	it.c_iflag &= ~(INPCK|ISTRIP|IXON);
	it.c_oflag &= ~(OPOST);
	it.c_cc[VMIN] = 1;
	it.c_cc[VTIME] = 0;

	tcsetattr(fileno(stdin),TCSANOW,&it);

	key1 = fgetc(stdin);

	if(key1 == 27){

		key2 = fgetc(stdin);
		
		if(key2 == 91){

			key3 = fgetc(stdin);
			
			if(key3 == 91){
				key4 = fgetc(stdin);
				if(key4 == 65)key = FN1;
				if(key4 == 66)key = FN2;
				if(key4 == 67)key = FN3;
				if(key4 == 68)key = FN4;
				if(key4 == 69)key = FN5;
								
			}
			if(key3 == 49){
				key4 = fgetc(stdin);
				if(key4 == 55)key = FN6;
				if(key4 == 56)key = FN7;
				if(key4 == 126)key = HOME;
				
			}
			if(key3 == 50){
				key4 = fgetc(stdin);
				if(key4 == 48)key = FN9;
				if(key4 == 49)key = FN10;
				if(key4 == 51)key = FN11;
				if(key4 == 52)key = FN12;
				if(key4 == 126)key = INS;
			}
			
			if(key3 == 51){
				key4 = fgetc(stdin);
				if(key4 == 126)key = DEL;
			}
			
			if(key3 == 52){
				key4 = fgetc(stdin);
				if(key4 == 126)key = END;
			}
			
			if(key3 == 53){
				key4 = fgetc(stdin);
				if(key4 == 126)key = PGUP;
			}
			
			if(key3 == 54){
				key4 = fgetc(stdin);
				if(key4 == 126)key = PGDN;
			}
			
			if(key3 == 65)key = UP;
			if(key3 == 68)key = LEFT;
			if(key3 == 67)key = RIGHT;
			if(key3 == 66)key = DOWN;
			
		}
		
	}

	tcgetattr(fileno(stdin),&it);
	it.c_lflag |= ICANON;
	it.c_lflag |= ECHO;
	it.c_iflag |= IXON;
	it.c_oflag |= OPOST;

	tcsetattr(fileno(stdin),TCSANOW,&it);

	if(key == 0){
		if(key1 != 0){
			if(key3 == 0){
			if(key4 == 0)key = key1;
			}
		}
	}
	
	if(key == 10) key = ENTER;
	if(key == 127)key = BACKSPACE;
	if(key == 8)  key = BACKSPACE;
	if(key == 9)  key = TAB;
	
	return(key);
}

#endif /*end of OSX11*/


#endif /*_key_c*/