1 /*
2 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5
6 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
7 /* All Rights Reserved */
8
9 /*
10 * Copyright (c) 1980 Regents of the University of California.
11 * All rights reserved. The Berkeley software License Agreement
12 * specifies the terms and conditions for redistribution.
13 */
14
15 #pragma ident "%Z%%M% %I% %E% SMI"
16
17 /*LINTLIBRARY*/
18
19 #ifndef lint
20 static char
21 sccsid[] = "@(#)id_subwins.c 1.3 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
22 #endif /* not lint */
23
24 #include "curses.ext"
25
26 /*
27 * _id_subwins:
28 * Re-sync the pointers to _y for all the subwindows.
29 */
30
31 void
_id_subwins(WINDOW * orig)32 _id_subwins(WINDOW *orig)
33 {
34 WINDOW *win;
35 int realy;
36 int y, oy;
37
38 realy = orig->_begy + orig->_cury;
39 for (win = orig->_nextp; win != orig; win = win->_nextp) {
40 /*
41 * If the window ends before our current position,
42 * don't need to do anything.
43 */
44 if (win->_begy + win->_maxy <= realy)
45 continue;
46
47 oy = orig->_cury;
48 for (y = realy - win->_begy; y < win->_maxy; y++, oy++)
49 win->_y[y] = &orig->_y[oy][win->_ch_off];
50 }
51 }
52