#ifndef lint
static	char sccsid[] = "@(#)SunOSI.c 9.2 87/11/20 Copyright 1985 Sun Micro";
#endif

/*
 * Copyright (c) 1985 by Sun Microsystems, Inc.
 */

/*-
	Sun OS specific code for the graphics library

	SunOSI.c, Mon Sep 15 10:36:10 1986

		James Gosling,
		Sun Microsystems
 */

#include <sys/types.h>
#include <pixrect.h>
extern char *snoopcalloc();

/*
 * Values from LATEST osi_create_screen_device call.  No way to
 * associate this data with some context.
 */
char	*sun_fb_name;
char	*sun_input_type;	/* Style of input.  Valid values are:
				 *  "sunwin" - SunWindows based,
				 *  "sundev" or NULL - /dev/kbd|console|mouse.
				 */
int	sun_left, sun_top, sun_width, sun_height;

struct pixrect *
osi_create_screen_device(name_str)
    char *name_str;
{
    register struct pixrect *pr;
    int scan_count;
    extern char *calloc();

    /*
     * Allocate global strings (if called twice the earlier string is left
     * allocated but unreferenced).
     */
    sun_fb_name = snoopcalloc("osi_create_screen_device", 1, strlen(name_str));
    sun_input_type = snoopcalloc("osi_create_screen_device", 1, strlen(name_str));
    /* Decompose name_str into components */
    (void) sscanf(name_str, "%s %hD %hD %hD %hD %s", sun_fb_name,
      &sun_left, &sun_top, &sun_width, &sun_height, sun_input_type);
    /* Always open a screen pixrect */
    if ((pr = pr_open(sun_fb_name)) == 0)
	return (struct pixrect *)0;
    /* Conditionally create a region on a portion of the screen */
    if (sun_left != 0 || sun_top != 0 ||
      (sun_width > 0 && sun_width != pr->pr_width) ||
      (sun_height > 0 && sun_height != pr->pr_height))
	if ((pr = pr_region(pr, sun_left, sun_top, sun_width, sun_height)) == 0)
	    return (struct pixrect *)0;
	/* The original pixrect is now left allocated but unreferenced */
    return pr;
}