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87c6fcf8 | 1 | /* |
2f14f200 KB |
2 | * Copyright (c) 1981 Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
a399f6c8 KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
87c6fcf8 DF |
16 | */ |
17 | ||
18 | #ifndef lint | |
a399f6c8 | 19 | static char sccsid[] = "@(#)mvwin.c 5.3 (Berkeley) %G%"; |
2f14f200 | 20 | #endif /* not lint */ |
87c6fcf8 | 21 | |
45d02bb5 KA |
22 | # include "curses.ext" |
23 | ||
24 | /* | |
25 | * relocate the starting position of a window | |
26 | * | |
45d02bb5 KA |
27 | */ |
28 | ||
29 | mvwin(win, by, bx) | |
30 | reg WINDOW *win; | |
31 | reg int by, bx; { | |
32 | ||
52f06ac3 JB |
33 | register WINDOW *orig; |
34 | register int dy, dx; | |
35 | ||
45d02bb5 KA |
36 | if (by + win->_maxy > LINES || bx + win->_maxx > COLS) |
37 | return ERR; | |
52f06ac3 JB |
38 | dy = by - win->_begy; |
39 | dx = bx - win->_begx; | |
40 | orig = win->_orig; | |
41 | if (orig == NULL) { | |
42 | orig = win; | |
43 | do { | |
44 | win->_begy += dy; | |
45 | win->_begx += dx; | |
46 | _swflags_(win); | |
47 | win = win->_nextp; | |
48 | } while (win != orig); | |
49 | } | |
50 | else { | |
51 | if (by < orig->_begy || win->_maxy + dy > orig->_maxy) | |
52 | return ERR; | |
53 | if (bx < orig->_begx || win->_maxx + dx > orig->_maxx) | |
54 | return ERR; | |
55 | win->_begy = by; | |
56 | win->_begx = bx; | |
57 | _swflags_(win); | |
58 | _set_subwin_(orig, win); | |
59 | } | |
45d02bb5 KA |
60 | touchwin(win); |
61 | return OK; | |
62 | } |