Commit | Line | Data |
---|---|---|
87c6fcf8 | 1 | /* |
2f14f200 KB |
2 | * Copyright (c) 1981 Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
e21c485a | 5 | * %sccs.include.redist.c% |
87c6fcf8 DF |
6 | */ |
7 | ||
8 | #ifndef lint | |
e21c485a | 9 | static char sccsid[] = "@(#)mvwin.c 5.4 (Berkeley) %G%"; |
2f14f200 | 10 | #endif /* not lint */ |
87c6fcf8 | 11 | |
45d02bb5 KA |
12 | # include "curses.ext" |
13 | ||
14 | /* | |
15 | * relocate the starting position of a window | |
16 | * | |
45d02bb5 KA |
17 | */ |
18 | ||
19 | mvwin(win, by, bx) | |
20 | reg WINDOW *win; | |
21 | reg int by, bx; { | |
22 | ||
52f06ac3 JB |
23 | register WINDOW *orig; |
24 | register int dy, dx; | |
25 | ||
45d02bb5 KA |
26 | if (by + win->_maxy > LINES || bx + win->_maxx > COLS) |
27 | return ERR; | |
52f06ac3 JB |
28 | dy = by - win->_begy; |
29 | dx = bx - win->_begx; | |
30 | orig = win->_orig; | |
31 | if (orig == NULL) { | |
32 | orig = win; | |
33 | do { | |
34 | win->_begy += dy; | |
35 | win->_begx += dx; | |
36 | _swflags_(win); | |
37 | win = win->_nextp; | |
38 | } while (win != orig); | |
39 | } | |
40 | else { | |
41 | if (by < orig->_begy || win->_maxy + dy > orig->_maxy) | |
42 | return ERR; | |
43 | if (bx < orig->_begx || win->_maxx + dx > orig->_maxx) | |
44 | return ERR; | |
45 | win->_begy = by; | |
46 | win->_begx = bx; | |
47 | _swflags_(win); | |
48 | _set_subwin_(orig, win); | |
49 | } | |
45d02bb5 KA |
50 | touchwin(win); |
51 | return OK; | |
52 | } |