1 /****************************************************************************
2  * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc.              *
3  *                                                                          *
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5  * copy of this software and associated documentation files (the            *
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9  * copies of the Software, and to permit persons to whom the Software is    *
10  * furnished to do so, subject to the following conditions:                 *
11  *                                                                          *
12  * The above copyright notice and this permission notice shall be included  *
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14  *                                                                          *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
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21  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22  *                                                                          *
23  * Except as contained in this notice, the name(s) of the above copyright   *
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28 
29 /****************************************************************************
30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
32  *     and: Thomas E. Dickey                        1996-on                 *
33  ****************************************************************************/
34 
35 /*
36 **	lib_wattron.c
37 **
38 **	The routines wattr_on().
39 **
40 */
41 
42 #include <curses.priv.h>
43 #include <ctype.h>
44 
45 MODULE_ID("$Id: lib_wattron.c,v 1.9 2006/05/27 19:30:46 tom Exp $")
46 
47 NCURSES_EXPORT(int)
48 wattr_on(WINDOW *win, attr_t at, void *opts GCC_UNUSED)
49 {
50     T((T_CALLED("wattr_on(%p,%s)"), win, _traceattr(at)));
51     if (win != 0) {
52 	T(("... current %s (%d)",
53 	   _traceattr(WINDOW_ATTRS(win)),
54 	   GET_WINDOW_PAIR(win)));
55 
56 	if_EXT_COLORS({
57 	    if (at & A_COLOR)
58 		win->_color = PAIR_NUMBER(at);
59 	});
60 	toggle_attr_on(WINDOW_ATTRS(win), at);
61 	returnCode(OK);
62     } else
63 	returnCode(ERR);
64 }
65