[unix-history] / usr / src / usr.bin / window / wwmisc.c

#ifndef lint
static	char *sccsid = "@(#)wwmisc.c	3.7 84/04/09";
#endif

#include "ww.h"

/*
 * Sufficient but not necessary test for total visibility.
 */
wwvisible(w)
register struct ww *w;
{
	register i;
	register nvis = 0;

	for (i = w->ww_i.t; i < w->ww_i.b; i++)
		nvis += w->ww_nvis[i];
	if (w->ww_hascursor
	    && w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b
	    && w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r
	    && wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index)
		nvis++;
	return nvis == w->ww_i.nr * w->ww_i.nc;
}
Commit	Line	Data
8584be19	1	#ifndef lint
1b032f84	2	static char *sccsid = "@(#)wwmisc.c 3.7 84/04/09";
8584be19 EW	3	#endif
	4
	5	#include "ww.h"
	6
27b31336	7	/*
f2a77fe1	8	* Sufficient but not necessary test for total visibility.
27b31336 EW	9	*/
	10	wwvisible(w)
	11	register struct ww *w;
	12	{
	13	register i;
	14	register nvis = 0;
	15
f2a77fe1	16	for (i = w->ww_i.t; i < w->ww_i.b; i++)
27b31336	17	nvis += w->ww_nvis[i];
f2a77fe1	18	if (w->ww_hascursor
e011d63a	19	&& w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b
f2a77fe1 EW	20	&& w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r
f2a77fe1 EW	21	&& wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index)
27b31336	22	nvis++;
f2a77fe1	23	return nvis == w->ww_i.nr * w->ww_i.nc;
27b31336	24	}