Commit | Line | Data |
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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[] = "@(#)touchwin.c 5.1 (Berkeley) %G%"; | |
9 | #endif not lint | |
10 | ||
ce69801e KA |
11 | # include "curses.ext" |
12 | ||
13 | /* | |
14 | * make it look like the whole window has been changed. | |
15 | * | |
ce69801e KA |
16 | */ |
17 | touchwin(win) | |
ee79d1a2 | 18 | register WINDOW *win; |
ce69801e | 19 | { |
ee79d1a2 | 20 | register int y, maxy; |
60d72089 | 21 | |
ee79d1a2 JB |
22 | # ifdef DEBUG |
23 | fprintf(outf, "TOUCHWIN(%0.2o)\n", win); | |
24 | # endif | |
25 | maxy = win->_maxy; | |
26 | for (y = 0; y < maxy; y++) | |
27 | touchline(win, y, 0, win->_maxx - 1); | |
60d72089 KA |
28 | } |
29 | ||
30 | /* | |
ee79d1a2 | 31 | * touch a given line |
60d72089 | 32 | */ |
ee79d1a2 JB |
33 | touchline(win, y, sx, ex) |
34 | register WINDOW *win; | |
35 | register int y, sx, ex; | |
36 | { | |
37 | # ifdef DEBUG | |
38 | fprintf(outf, "TOUCHLINE(%0.2o, %d, %d, %d)\n", win, y, sx, ex); | |
39 | fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", win->_firstch[y], win->_lastch[y]); | |
40 | # endif | |
41 | sx += win->_ch_off; | |
42 | ex += win->_ch_off; | |
43 | if (win->_firstch[y] == _NOCHANGE) { | |
44 | win->_firstch[y] = sx; | |
45 | win->_lastch[y] = ex; | |
46 | } | |
47 | else { | |
48 | if (win->_firstch[y] > sx) | |
49 | win->_firstch[y] = sx; | |
50 | if (win->_lastch[y] < ex) | |
51 | win->_lastch[y] = ex; | |
ce69801e | 52 | } |
ee79d1a2 JB |
53 | # ifdef DEBUG |
54 | fprintf(outf, "TOUCHLINE:first = %d, last = %d\n", win->_firstch[y], win->_lastch[y]); | |
55 | # endif | |
ce69801e | 56 | } |