projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 87c6fcf8 DF |
1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef lint | |
| 8 | static char sccsid[] = "@(#)mvwin.c 5.1 (Berkeley) %G%"; | |
| 9 | #endif not lint | |
| 10 | ||
| 45d02bb5 KA |
11 | # include "curses.ext" |
| 12 | ||
| 13 | /* | |
| 14 | * relocate the starting position of a window | |
| 15 | * | |
| 45d02bb5 KA |
16 | */ |
| 17 | ||
| 18 | mvwin(win, by, bx) | |
| 19 | reg WINDOW *win; | |
| 20 | reg int by, bx; { | |
| 21 | ||
| 52f06ac3 JB |
22 | register WINDOW *orig; |
| 23 | register int dy, dx; | |
| 24 | ||
| 45d02bb5 KA |
25 | if (by + win->_maxy > LINES || bx + win->_maxx > COLS) |
| 26 | return ERR; | |
| 52f06ac3 JB |
27 | dy = by - win->_begy; |
| 28 | dx = bx - win->_begx; | |
| 29 | orig = win->_orig; | |
| 30 | if (orig == NULL) { | |
| 31 | orig = win; | |
| 32 | do { | |
| 33 | win->_begy += dy; | |
| 34 | win->_begx += dx; | |
| 35 | _swflags_(win); | |
| 36 | win = win->_nextp; | |
| 37 | } while (win != orig); | |
| 38 | } | |
| 39 | else { | |
| 40 | if (by < orig->_begy || win->_maxy + dy > orig->_maxy) | |
| 41 | return ERR; | |
| 42 | if (bx < orig->_begx || win->_maxx + dx > orig->_maxx) | |
| 43 | return ERR; | |
| 44 | win->_begy = by; | |
| 45 | win->_begx = bx; | |
| 46 | _swflags_(win); | |
| 47 | _set_subwin_(orig, win); | |
| 48 | } | |
| 45d02bb5 KA |
49 | touchwin(win); |
| 50 | return OK; | |
| 51 | } |