1 /* $NetBSD: addwstr.c,v 1.2 2007/05/28 15:01:54 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: addwstr.c,v 1.2 2007/05/28 15:01:54 blymn Exp $");
40 #endif /* not lint */
41
42 #include <string.h>
43
44 #include "curses.h"
45 #include "curses_private.h"
46
47 /*
48 * addwstr --
49 * Add a string to stdscr starting at (_cury, _curx).
50 */
51 int
addwstr(const wchar_t * s)52 addwstr(const wchar_t *s)
53 {
54 #ifndef HAVE_WCHAR
55 return ERR;
56 #else
57 return waddnwstr(stdscr, s, -1);
58 #endif /* HAVE_WCHAR */
59 }
60
61 /*
62 * waddwstr --
63 * Add a string to the given window starting at (_cury, _curx).
64 */
65 int
waddwstr(WINDOW * win,const wchar_t * s)66 waddwstr(WINDOW *win, const wchar_t *s)
67 {
68 #ifndef HAVE_WCHAR
69 return ERR;
70 #else
71 return waddnwstr(win, s, -1);
72 #endif /* HAVE_WCHAR */
73 }
74
75 /*
76 * addnwstr --
77 * Add a string (at most n characters) to stdscr starting
78 * at (_cury, _curx). If n is negative, add the entire string.
79 */
80 int
addnwstr(const wchar_t * str,int n)81 addnwstr(const wchar_t *str, int n)
82 {
83 #ifndef HAVE_WCHAR
84 return ERR;
85 #else
86 return waddnwstr(stdscr, str, n);
87 #endif /* HAVE_WCHAR */
88 }
89
90 /*
91 * mvaddwstr --
92 * Add a string to stdscr starting at (y, x)
93 */
94 int
mvaddwstr(int y,int x,const wchar_t * str)95 mvaddwstr(int y, int x, const wchar_t *str)
96 {
97 #ifndef HAVE_WCHAR
98 return ERR;
99 #else
100 return mvwaddnwstr(stdscr, y, x, str, -1);
101 #endif /* HAVE_WCHAR */
102 }
103
104 /*
105 * mvwaddwstr --
106 * Add a string to the given window starting at (y, x)
107 */
108 int
mvwaddwstr(WINDOW * win,int y,int x,const wchar_t * str)109 mvwaddwstr(WINDOW *win, int y, int x, const wchar_t *str)
110 {
111 #ifndef HAVE_WCHAR
112 return ERR;
113 #else
114 return mvwaddnwstr(win, y, x, str, -1);
115 #endif /* HAVE_WCHAR */
116 }
117
118 /*
119 * mvaddnwstr --
120 * Add a string of at most n characters to stdscr
121 * starting at (y, x).
122 */
123 int
mvaddnwstr(int y,int x,const wchar_t * str,int count)124 mvaddnwstr(int y, int x, const wchar_t *str, int count)
125 {
126 #ifndef HAVE_WCHAR
127 return ERR;
128 #else
129 return mvwaddnwstr(stdscr, y, x, str, count);
130 #endif /* HAVE_WCHAR */
131 }
132
133 /*
134 * mvwaddnwstr --
135 * Add a string of at most n characters to the given window
136 * starting at (y, x).
137 */
138 int
mvwaddnwstr(WINDOW * win,int y,int x,const wchar_t * str,int count)139 mvwaddnwstr(WINDOW *win, int y, int x, const wchar_t *str, int count)
140 {
141 #ifndef HAVE_WCHAR
142 return ERR;
143 #else
144 if (wmove(win, y, x) == ERR)
145 return ERR;
146
147 return waddnwstr(win, str, count);
148 #endif /* HAVE_WCHAR */
149 }
150
151 /*
152 * waddnwstr --
153 * Add a string (at most n characters) to the given window
154 * starting at (_cury, _curx). If n is negative, add the
155 * entire string.
156 */
157 int
waddnwstr(WINDOW * win,const wchar_t * s,int n)158 waddnwstr(WINDOW *win, const wchar_t *s, int n)
159 {
160 #ifndef HAVE_WCHAR
161 return ERR;
162 #else
163 size_t len;
164 const wchar_t *p;
165 cchar_t cc;
166 wchar_t wc[ 2 ];
167
168 /*
169 * BSD curses: if (n > 0) then "at most n", else "len = strlen(s)"
170 * ncurses: if (n >= 0) then "at most n", else "len = strlen(s)"
171 * XCURSES: if (n != -1) then "at most n", else "len = strlen(s)"
172 */
173 /* compute the length and column width of string */
174 if ( n < -1 )
175 return ERR;
176 if (n >= 0)
177 for (p = s, len = 0; n-- && *p++; ++len );
178 else
179 len = wcslen(s);
180 #ifdef DEBUG
181 __CTRACE(__CTRACE_INPUT, "waddnwstr: string len=%ld\n", (long) len);
182 #endif /* DEBUG */
183
184 p = s;
185 while ( len ) {
186 wc[ 0 ] = *p;
187 wc[ 1 ] = L'\0';
188 if ( setcchar( &cc, wc, win->wattr, 0, NULL ) == ERR )
189 return ERR;
190 if ( wadd_wch( win, &cc ) == ERR )
191 return ERR;
192 #ifdef DEBUG
193 __CTRACE(__CTRACE_INPUT, "waddnwstr: (%x,%x,%d) added\n",
194 cc.vals[ 0 ], cc.attributes, cc.elements );
195 #endif /* DEBUG */
196 p++, len--;
197 }
198
199 return OK;
200 #endif /* HAVE_WCHAR */
201 }
202