1 /* $OpenBSD: lib_chgat.c,v 1.4 2023/10/17 09:52:08 nicm Exp $ */
2
3 /****************************************************************************
4 * Copyright 2020 Thomas E. Dickey *
5 * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
6 * *
7 * Permission is hereby granted, free of charge, to any person obtaining a *
8 * copy of this software and associated documentation files (the *
9 * "Software"), to deal in the Software without restriction, including *
10 * without limitation the rights to use, copy, modify, merge, publish, *
11 * distribute, distribute with modifications, sublicense, and/or sell *
12 * copies of the Software, and to permit persons to whom the Software is *
13 * furnished to do so, subject to the following conditions: *
14 * *
15 * The above copyright notice and this permission notice shall be included *
16 * in all copies or substantial portions of the Software. *
17 * *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
25 * *
26 * Except as contained in this notice, the name(s) of the above copyright *
27 * holders shall not be used in advertising or otherwise to promote the *
28 * sale, use or other dealings in this Software without prior written *
29 * authorization. *
30 ****************************************************************************/
31
32 /****************************************************************************
33 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
34 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
35 * and: Sven Verdoolaege 2001 *
36 * and: Thomas E. Dickey 2005 *
37 ****************************************************************************/
38
39 /*
40 ** lib_chgat.c
41 **
42 ** The routine wchgat().
43 **
44 */
45
46 #include <curses.priv.h>
47
48 MODULE_ID("$Id: lib_chgat.c,v 1.4 2023/10/17 09:52:08 nicm Exp $")
49
NCURSES_EXPORT(int)50 NCURSES_EXPORT(int)
51 wchgat(WINDOW *win,
52 int n,
53 attr_t attr,
54 NCURSES_PAIRS_T pair_arg,
55 const void *opts GCC_UNUSED)
56 {
57 int code = ERR;
58 int color_pair = pair_arg;
59
60 T((T_CALLED("wchgat(%p,%d,%s,%d)"),
61 (void *) win,
62 n,
63 _traceattr(attr),
64 color_pair));
65
66 set_extended_pair(opts, color_pair);
67 if (win) {
68 struct ldat *line = &(win->_line[win->_cury]);
69 int i;
70
71 toggle_attr_on(attr, ColorPair(color_pair));
72
73 for (i = win->_curx; i <= win->_maxx && (n == -1 || (n-- > 0)); i++) {
74 SetAttr(line->text[i], attr);
75 SetPair(line->text[i], color_pair);
76 CHANGED_CELL(line, i);
77 }
78
79 code = OK;
80 }
81 returnCode(code);
82 }
83