xref: /minix/lib/libcurses/add_wch.c (revision 84d9c625)
1 /*   $NetBSD: add_wch.c,v 1.4 2013/11/09 11:16:59 blymn Exp $ */
2 
3 /*
4  * Copyright (c) 2005 The NetBSD Foundation Inc.
5  * All rights reserved.
6  *
7  * This code is derived from code donated to the NetBSD Foundation
8  * by Ruibiao Qiu <ruibiao@arl.wustl.edu,ruibiao@gmail.com>.
9  *
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the NetBSD Foundation nor the names of its
20  *    contributors may be used to endorse or promote products derived
21  *    from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
24  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
25  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 #include <sys/cdefs.h>
38 #ifndef lint
39 __RCSID("$NetBSD: add_wch.c,v 1.4 2013/11/09 11:16:59 blymn Exp $");
40 #endif /* not lint */
41 
42 #include <stdlib.h>
43 #include "curses.h"
44 #include "curses_private.h"
45 #ifdef DEBUG
46 #include <assert.h>
47 #endif
48 
49 /*
50  * add_wch --
51  *	Add the wide character to the current position in stdscr.
52  *
53  */
54 int
add_wch(const cchar_t * wch)55 add_wch(const cchar_t *wch)
56 {
57 #ifndef HAVE_WCHAR
58 	return ERR;
59 #else
60 	return wadd_wch(stdscr, wch);
61 #endif /* HAVE_WCHAR */
62 }
63 
64 
65 /*
66  * mvadd_wch --
67  *      Add the wide character to stdscr at the given location.
68  */
69 int
mvadd_wch(int y,int x,const cchar_t * wch)70 mvadd_wch(int y, int x, const cchar_t *wch)
71 {
72 #ifndef HAVE_WCHAR
73 	return ERR;
74 #else
75 	return mvwadd_wch(stdscr, y, x, wch);
76 #endif /* HAVE_WCHAR */
77 }
78 
79 
80 /*
81  * mvwadd_wch --
82  *      Add the character to the given window at the given location.
83  */
84 int
mvwadd_wch(WINDOW * win,int y,int x,const cchar_t * wch)85 mvwadd_wch(WINDOW *win, int y, int x, const cchar_t *wch)
86 {
87 #ifndef HAVE_WCHAR
88 	return ERR;
89 #else
90 	if (wmove(win, y, x) == ERR)
91 		return ERR;
92 
93 	return wadd_wch(win, wch);
94 #endif /* HAVE_WCHAR */
95 }
96 
97 
98 /*
99  * wadd_wch --
100  *	Add the wide character to the current position in the
101  *	given window.
102  *
103  */
104 int
wadd_wch(WINDOW * win,const cchar_t * wch)105 wadd_wch(WINDOW *win, const cchar_t *wch)
106 {
107 #ifndef HAVE_WCHAR
108 	return ERR;
109 #else
110 	int x = win->curx, y = win->cury;
111 	__LINE *lnp = NULL;
112 
113 #ifdef DEBUG
114 	int i;
115 
116 	for (i = 0; i < win->maxy; i++) {
117 		assert(win->alines[i]->sentinel == SENTINEL_VALUE);
118 	}
119 	__CTRACE(__CTRACE_INPUT, "wadd_wch: win(%p)", win);
120 #endif
121 	lnp = win->alines[y];
122 	return _cursesi_addwchar(win, &lnp, &y, &x, wch, 1);
123 #endif /* HAVE_WCHAR */
124 }
125