[unix-history] / usr / src / lib / libcurses / id_subwins.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
static char sccsid[] = "@(#)id_subwins.c	5.1 (Berkeley) %G%";
#endif not lint

# include	"curses.ext"

/*
 * _id_subwins:
 *	Re-sync the pointers to _y for all the subwindows.
 *
 */
_id_subwins(orig)
register WINDOW	*orig;
{
	register WINDOW	*win;
	register int	realy;
	register int	y, oy, x;

	realy = orig->_begy + orig->_cury;
	for (win = orig->_nextp; win != orig; win = win->_nextp) {
		/*
		 * If the window ends before our current position,
		 * don't need to do anything.
		 */
		if (win->_begy + win->_maxy <= realy)
			continue;

		oy = orig->_cury;
		for (y = realy - win->_begy; y < win->_maxy; y++, oy++)
			win->_y[y] = &orig->_y[oy][win->_ch_off];
	}
}
Commit	Line	Data
6e1c93d0 DF	1	/*
	2	* Copyright (c) 1980 Regents of the University of California.
	3	* All rights reserved. The Berkeley software License Agreement
	4	* specifies the terms and conditions for redistribution.
	5	*/
	6
	7	#ifndef lint
	8	static char sccsid[] = "@(#)id_subwins.c 5.1 (Berkeley) %G%";
	9	#endif not lint
	10
cda9c8f5 JB	11	# include "curses.ext"
	12
	13	/*
	14	* _id_subwins:
	15	* Re-sync the pointers to _y for all the subwindows.
	16	*
cda9c8f5 JB	17	*/
	18	_id_subwins(orig)
	19	register WINDOW *orig;
	20	{
	21	register WINDOW *win;
	22	register int realy;
	23	register int y, oy, x;
	24
	25	realy = orig->_begy + orig->_cury;
	26	for (win = orig->_nextp; win != orig; win = win->_nextp) {
	27	/*
	28	* If the window ends before our current position,
	29	* don't need to do anything.
	30	*/
	31	if (win->_begy + win->_maxy <= realy)
	32	continue;
	33
	34	oy = orig->_cury;
	35	for (y = realy - win->_begy; y < win->_maxy; y++, oy++)
	36	win->_y[y] = &orig->_y[oy][win->_ch_off];
	37	}
	38	}