1 /* $NetBSD: inch.c,v 1.8 2008/04/28 20:23:01 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Julian Coleman. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 __RCSID("$NetBSD: inch.c,v 1.8 2008/04/28 20:23:01 martin Exp $"); 35 #endif /* not lint */ 36 37 #include "curses.h" 38 #include "curses_private.h" 39 40 #ifndef _CURSES_USE_MACROS 41 42 /* 43 * inch -- 44 * Return character at cursor position from stdscr. 45 */ 46 chtype 47 inch(void) 48 { 49 return winch(stdscr); 50 } 51 52 /* 53 * mvinch -- 54 * Return character at position (y, x) from stdscr. 55 */ 56 chtype 57 mvinch(int y, int x) 58 { 59 return mvwinch(stdscr, y, x); 60 } 61 62 /* 63 * mvwinch -- 64 * Return character at position (y, x) from the given window. 65 */ 66 chtype 67 mvwinch(WINDOW *win, int y, int x) 68 { 69 if (wmove(win, y, x) == ERR) 70 return ERR; 71 72 return winch(win); 73 } 74 75 #endif 76 77 /* 78 * winch -- 79 * Return character at cursor position. 80 */ 81 chtype 82 winch(WINDOW *win) 83 { 84 #ifndef HAVE_WCHAR 85 chtype ch; 86 87 ch = (chtype) (((win)->lines[(win)->cury]->line[(win)->curx].ch & __CHARTEXT) | 88 (chtype) ((win)->lines[(win)->cury]->line[(win)->curx].attr & __ATTRIBUTES)); 89 return (ch); 90 #else 91 return ( chtype )win->lines[ win->cury ]->line[ win->curx ].ch; 92 #endif /* HAVE_WCHAR */ 93 } 94