#include <curses.h>
#include "vaxconio.h"
#define false 0
#define true (!false)
delay(int i)
{}
int vx_top=1,vx_bot=24;
textattr()
{}
kbhit()
{}
scr_gets(char *x)
{
	getstr(x);
}
clreol()
{
	clrtoeol();
}
cputs(char *line)
{
	int x;
	int y;
	getyx(stdscr,y,x);
	mvaddstr(y,x,line);
}
delline()
{
	int x;
	int y;
	getyx(stdscr,y,x);
	move(22,1);
	clrtobot();
	move(y,1);
	deleteln();
	move(y,x);
}
gotoxy(int x, int y)
{
	if (y==25) y=24;
	move(y+vx_top-2,x);
}
insline()
{
	int x;
	int y;
	getyx(stdscr,y,x);
	move(y,x);
	insertln();
	move(y,x);
	move(22,1);
	clrtobot();
	move(y,x);

}
putch(int char_val)
{
	int x;
	int y;
	getyx(stdscr,y,x);
	mvaddch(y,x,char_val);
}
int scr_refresh()
{
	refresh();
}
int scr_getch()
{
	return getch();
}
scr_init()
{
	initscr();
	scrollok(stdscr,true);
}
scr_end()
{
	endwin();
}
textbackground(int color_num)
{}
textcolor(int colornum)
{}
gettextinfo(struct text_info *r)
{
	int x;
	int y;
	getyx(stdscr,y,x);
	r->curx = x;
	r->cury = y;
	r->wintop = vx_top;
}
screen_save()
{}
screen_restore()
{
	scr_norm();
	clrscr();
	gotoxy(1,1);
	cputs("\n");
}
int wyerr;
w_message(char *s)
{
	wyerr++;
	scr_savexy();
	gotoxy(1,wyerr);
	clreol();
	cputs(s);
	scr_restorexy();
}	
window(int left,int top, int right, int bottom)
{
	if (left==1 && top==1 && bottom==25) {
		printf("\x1b[%d;%dr",1,24);
	} 	
	vx_top = top;
	vx_bot = bottom;
	wyerr = 0;
}
clrscr()
{
	if (vx_top==1 && vx_bot==25) {
		clearok(stdscr,TRUE);
		clear();
		refresh();
		clearok(stdscr,FALSE);
		return;
	}
	clear();
}
scr_dots(int i)
{
}
scr_left(int i)
{
	int y,x;
	if (i<=0) return;
	getyx(stdscr,y,x);
	move(y,x-i);
}
scr_right(int i)
{
	int y,x;
	if (i<=0) return;
	getyx(stdscr,y,x);
	move(y,x+i);
}
int vx_topsave,vx_botsave;
int savex,savey;
scr_savexy()
{
	getyx(stdscr,savey,savex);
	vx_topsave = vx_top;
	vx_botsave = vx_bot;
	
}
scr_restorexy()
{
	move(savey,savex);
	vx_top = vx_topsave;
	vx_bot = vx_botsave;
}

scr_norm()  /* yellow on blue */
{
	clrattr(_BOLD | _REVERSE);
}
scr_inv()   /* black on white */
{
	clrattr(_REVERSE);
	setattr(_BOLD);
}
scr_grey()  /* black on grey */
{
	clrattr(_BOLD);
	setattr(_REVERSE);
}
scr_isblackwhite()
{
	return true;
}
scr_menubg()
{
	scr_norm();
}
scr_menuval()
{
	scr_inv();
}
scr_menuhi()
{
	scr_grey();
}

#include <descrip.h>
vax_edt(char *s) 	/* call the vax EDT editor */
{
	$DESCRIPTOR(sdesc,"");
	sdesc.dsc$a_pointer = s;
	sdesc.dsc$w_length = strlen(s);
	edt$edit(&sdesc,&sdesc);
}