1 /* $NetBSD: inch.c,v 1.15 2024/12/23 02:58:03 blymn 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 1.15 2024/12/23 02:58:03 blymn 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 50 return winch(stdscr); 51 } 52 53 /* 54 * mvinch -- 55 * Return character at position (y, x) from stdscr. 56 */ 57 chtype 58 mvinch(int y, int x) 59 { 60 61 return mvwinch(stdscr, y, x); 62 } 63 64 /* 65 * mvwinch -- 66 * Return character at position (y, x) from the given window. 67 */ 68 chtype 69 mvwinch(WINDOW *win, int y, int x) 70 { 71 72 if (wmove(win, y, x) == ERR) 73 return ERR; 74 75 return winch(win); 76 } 77 78 #endif 79 80 /* 81 * winch -- 82 * Return character at cursor position. 83 */ 84 chtype 85 winch(WINDOW *win) 86 { 87 chtype ch; 88 attr_t attr; 89 90 if (__predict_false(win == NULL)) 91 return ERR; 92 93 ch = (chtype) ((win)->alines[(win)->cury]->line[(win)->curx].ch & 94 __CHARTEXT); 95 attr = (attr_t) ((win)->alines[(win)->cury]->line[(win)->curx].attr & 96 __ATTRIBUTES); 97 if (__using_color && ((attr & __COLOR) == __default_color)) 98 attr &= ~__COLOR; 99 return (ch | attr); 100 } 101