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87c6fcf8 | 1 | /* |
2f14f200 KB |
2 | * Copyright (c) 1981 Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
c0567266 KB |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
87c6fcf8 DF |
32 | */ |
33 | ||
34 | #ifndef lint | |
1c15e888 | 35 | static char sccsid[] = "@(#)mvwin.c 5.4 (Berkeley) 6/1/90"; |
2f14f200 | 36 | #endif /* not lint */ |
87c6fcf8 | 37 | |
45d02bb5 KA |
38 | # include "curses.ext" |
39 | ||
40 | /* | |
41 | * relocate the starting position of a window | |
42 | * | |
45d02bb5 KA |
43 | */ |
44 | ||
45 | mvwin(win, by, bx) | |
46 | reg WINDOW *win; | |
47 | reg int by, bx; { | |
48 | ||
52f06ac3 JB |
49 | register WINDOW *orig; |
50 | register int dy, dx; | |
51 | ||
45d02bb5 KA |
52 | if (by + win->_maxy > LINES || bx + win->_maxx > COLS) |
53 | return ERR; | |
52f06ac3 JB |
54 | dy = by - win->_begy; |
55 | dx = bx - win->_begx; | |
56 | orig = win->_orig; | |
57 | if (orig == NULL) { | |
58 | orig = win; | |
59 | do { | |
60 | win->_begy += dy; | |
61 | win->_begx += dx; | |
62 | _swflags_(win); | |
63 | win = win->_nextp; | |
64 | } while (win != orig); | |
65 | } | |
66 | else { | |
67 | if (by < orig->_begy || win->_maxy + dy > orig->_maxy) | |
68 | return ERR; | |
69 | if (bx < orig->_begx || win->_maxx + dx > orig->_maxx) | |
70 | return ERR; | |
71 | win->_begy = by; | |
72 | win->_begx = bx; | |
73 | _swflags_(win); | |
74 | _set_subwin_(orig, win); | |
75 | } | |
45d02bb5 KA |
76 | touchwin(win); |
77 | return OK; | |
78 | } |