addwstr.c revision 1.1
1 /* $NetBSD: addwstr.c,v 1.1 2007/01/21 11:38:59 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 (at) arl.wustl.edu,ruibiao (at) 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 1.1 2007/01/21 11:38:59 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 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 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 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 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 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 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 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 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("[waddnwstr]string len=%d\n", 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("[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
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