xref: /minix3/lib/libcurses/id_subwins.c (revision 51ffecc181005cb45a40108612ee28d1daaeeb86)
1*51ffecc1SBen Gras /*	$NetBSD: id_subwins.c,v 1.14 2009/07/22 16:57:14 roy Exp $	*/
2*51ffecc1SBen Gras 
3*51ffecc1SBen Gras /*
4*51ffecc1SBen Gras  * Copyright (c) 1981, 1993, 1994
5*51ffecc1SBen Gras  *	The Regents of the University of California.  All rights reserved.
6*51ffecc1SBen Gras  *
7*51ffecc1SBen Gras  * Redistribution and use in source and binary forms, with or without
8*51ffecc1SBen Gras  * modification, are permitted provided that the following conditions
9*51ffecc1SBen Gras  * are met:
10*51ffecc1SBen Gras  * 1. Redistributions of source code must retain the above copyright
11*51ffecc1SBen Gras  *    notice, this list of conditions and the following disclaimer.
12*51ffecc1SBen Gras  * 2. Redistributions in binary form must reproduce the above copyright
13*51ffecc1SBen Gras  *    notice, this list of conditions and the following disclaimer in the
14*51ffecc1SBen Gras  *    documentation and/or other materials provided with the distribution.
15*51ffecc1SBen Gras  * 3. Neither the name of the University nor the names of its contributors
16*51ffecc1SBen Gras  *    may be used to endorse or promote products derived from this software
17*51ffecc1SBen Gras  *    without specific prior written permission.
18*51ffecc1SBen Gras  *
19*51ffecc1SBen Gras  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20*51ffecc1SBen Gras  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21*51ffecc1SBen Gras  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22*51ffecc1SBen Gras  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23*51ffecc1SBen Gras  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24*51ffecc1SBen Gras  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25*51ffecc1SBen Gras  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26*51ffecc1SBen Gras  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27*51ffecc1SBen Gras  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28*51ffecc1SBen Gras  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29*51ffecc1SBen Gras  * SUCH DAMAGE.
30*51ffecc1SBen Gras  */
31*51ffecc1SBen Gras 
32*51ffecc1SBen Gras #include <sys/cdefs.h>
33*51ffecc1SBen Gras #ifndef lint
34*51ffecc1SBen Gras #if 0
35*51ffecc1SBen Gras static char sccsid[] = "@(#)id_subwins.c	8.2 (Berkeley) 5/4/94";
36*51ffecc1SBen Gras #else
37*51ffecc1SBen Gras __RCSID("$NetBSD: id_subwins.c,v 1.14 2009/07/22 16:57:14 roy Exp $");
38*51ffecc1SBen Gras #endif
39*51ffecc1SBen Gras #endif				/* not lint */
40*51ffecc1SBen Gras 
41*51ffecc1SBen Gras #include "curses.h"
42*51ffecc1SBen Gras #include "curses_private.h"
43*51ffecc1SBen Gras 
44*51ffecc1SBen Gras /*
45*51ffecc1SBen Gras  * __id_subwins --
46*51ffecc1SBen Gras  *	Re-sync the pointers to lines for all the subwindows.
47*51ffecc1SBen Gras  */
48*51ffecc1SBen Gras void
__id_subwins(WINDOW * orig)49*51ffecc1SBen Gras __id_subwins(WINDOW *orig)
50*51ffecc1SBen Gras {
51*51ffecc1SBen Gras 	WINDOW *win;
52*51ffecc1SBen Gras 	int     oy, y;
53*51ffecc1SBen Gras 
54*51ffecc1SBen Gras 	for (win = orig->nextp; win != orig; win = win->nextp) {
55*51ffecc1SBen Gras 		oy = win->begy - orig->begy;
56*51ffecc1SBen Gras 		for (y = 0; y < win->maxy; y++)
57*51ffecc1SBen Gras 			win->alines[y]->line =
58*51ffecc1SBen Gras 			    &orig->alines[oy + y]->line[win->ch_off];
59*51ffecc1SBen Gras 	}
60*51ffecc1SBen Gras }
61