1 |
|
|
/* $OpenBSD: lib_redrawln.c,v 1.3 2010/01/12 23:22:06 nicm Exp $ */ |
2 |
|
|
|
3 |
|
|
/**************************************************************************** |
4 |
|
|
* Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. * |
5 |
|
|
* * |
6 |
|
|
* Permission is hereby granted, free of charge, to any person obtaining a * |
7 |
|
|
* copy of this software and associated documentation files (the * |
8 |
|
|
* "Software"), to deal in the Software without restriction, including * |
9 |
|
|
* without limitation the rights to use, copy, modify, merge, publish, * |
10 |
|
|
* distribute, distribute with modifications, sublicense, and/or sell * |
11 |
|
|
* copies of the Software, and to permit persons to whom the Software is * |
12 |
|
|
* furnished to do so, subject to the following conditions: * |
13 |
|
|
* * |
14 |
|
|
* The above copyright notice and this permission notice shall be included * |
15 |
|
|
* in all copies or substantial portions of the Software. * |
16 |
|
|
* * |
17 |
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
18 |
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
19 |
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
20 |
|
|
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
21 |
|
|
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
22 |
|
|
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
23 |
|
|
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
24 |
|
|
* * |
25 |
|
|
* Except as contained in this notice, the name(s) of the above copyright * |
26 |
|
|
* holders shall not be used in advertising or otherwise to promote the * |
27 |
|
|
* sale, use or other dealings in this Software without prior written * |
28 |
|
|
* authorization. * |
29 |
|
|
****************************************************************************/ |
30 |
|
|
|
31 |
|
|
/**************************************************************************** |
32 |
|
|
* Author: Thomas E. Dickey <dickey@clark.net> 1997 * |
33 |
|
|
****************************************************************************/ |
34 |
|
|
|
35 |
|
|
/* |
36 |
|
|
* lib_redrawln.c |
37 |
|
|
* |
38 |
|
|
* The routine wredrawln(). |
39 |
|
|
* |
40 |
|
|
*/ |
41 |
|
|
|
42 |
|
|
#include <curses.priv.h> |
43 |
|
|
|
44 |
|
|
MODULE_ID("$Id: lib_redrawln.c,v 1.3 2010/01/12 23:22:06 nicm Exp $") |
45 |
|
|
|
46 |
|
|
NCURSES_EXPORT(int) |
47 |
|
|
wredrawln(WINDOW *win, int beg, int num) |
48 |
|
|
{ |
49 |
|
|
int i; |
50 |
|
|
int end; |
51 |
|
|
size_t len; |
52 |
|
|
|
53 |
|
|
T((T_CALLED("wredrawln(%p,%d,%d)"), win, beg, num)); |
54 |
|
|
|
55 |
|
|
if (win == 0) |
56 |
|
|
returnCode(ERR); |
57 |
|
|
|
58 |
|
|
if (beg < 0) |
59 |
|
|
beg = 0; |
60 |
|
|
|
61 |
|
|
if (touchline(win, beg, num) == ERR) |
62 |
|
|
returnCode(ERR); |
63 |
|
|
|
64 |
|
|
if (touchline(curscr, beg + win->_begy, num) == ERR) |
65 |
|
|
returnCode(ERR); |
66 |
|
|
|
67 |
|
|
end = beg + num; |
68 |
|
|
if (end > curscr->_maxy + 1) |
69 |
|
|
end = curscr->_maxy + 1; |
70 |
|
|
if (end > win->_maxy + 1) |
71 |
|
|
end = win->_maxy + 1; |
72 |
|
|
|
73 |
|
|
len = (win->_maxx + 1); |
74 |
|
|
if (len > (size_t) (curscr->_maxx + 1)) |
75 |
|
|
len = (size_t) (curscr->_maxx + 1); |
76 |
|
|
len *= sizeof(curscr->_line[0].text[0]); |
77 |
|
|
|
78 |
|
|
for (i = beg; i < end; i++) { |
79 |
|
|
int crow = i + win->_begy; |
80 |
|
|
|
81 |
|
|
memset(curscr->_line[crow].text + win->_begx, 0, len); |
82 |
|
|
_nc_make_oldhash(crow); |
83 |
|
|
} |
84 |
|
|
|
85 |
|
|
returnCode(OK); |
86 |
|
|
} |