1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2016,2017 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 32 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 33 * and: Sven Verdoolaege 2001 * 34 * and: Thomas E. Dickey 2005 * 35 ****************************************************************************/ 36 37 /* 38 ** lib_chgat.c 39 ** 40 ** The routine wchgat(). 41 ** 42 */ 43 44 #include <curses.priv.h> 45 46 MODULE_ID("$Id: lib_chgat.c,v 1.13 2020/02/02 23:34:34 tom Exp $") 47 48 NCURSES_EXPORT(int) 49 wchgat(WINDOW *win, 50 int n, 51 attr_t attr, 52 NCURSES_PAIRS_T pair_arg, 53 const void *opts GCC_UNUSED) 54 { 55 int code = ERR; 56 int color_pair = pair_arg; 57 58 T((T_CALLED("wchgat(%p,%d,%s,%d)"), 59 (void *) win, 60 n, 61 _traceattr(attr), 62 color_pair)); 63 64 set_extended_pair(opts, color_pair); 65 if (win) { 66 struct ldat *line = &(win->_line[win->_cury]); 67 int i; 68 69 toggle_attr_on(attr, ColorPair(color_pair)); 70 71 for (i = win->_curx; i <= win->_maxx && (n == -1 || (n-- > 0)); i++) { 72 SetAttr(line->text[i], attr); 73 SetPair(line->text[i], color_pair); 74 CHANGED_CELL(line, i); 75 } 76 77 code = OK; 78 } 79 returnCode(code); 80 } 81