1 /****************************************************************************
2 * Copyright (c) 1998,2000 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
31 * and: Eric S. Raymond <esr@snark.thyrsus.com> *
32 ****************************************************************************/
37 ** The routines untouchwin(),
44 #include <curses.priv.h>
46 MODULE_ID("$Id: lib_touch.c,v 1.9 2000/12/10 02:43:27 tom Exp $")
49 is_linetouched(WINDOW *win, int line)
51 T((T_CALLED("is_linetouched(%p,%d)"), win, line));
53 /* XSI doesn't define any error */
54 if (!win || (line > win->_maxy) || (line < 0))
55 returnCode((bool) ERR);
57 returnCode(win->_line[line].firstchar != _NOCHANGE ? TRUE : FALSE);
61 is_wintouched(WINDOW *win)
65 T((T_CALLED("is_wintouched(%p)"), win));
68 for (i = 0; i <= win->_maxy; i++)
69 if (win->_line[i].firstchar != _NOCHANGE)
75 wtouchln(WINDOW *win, int y, int n, int changed)
79 T((T_CALLED("wtouchln(%p,%d,%d,%d)"), win, y, n, changed));
81 if (!win || (n < 0) || (y < 0) || (y > win->_maxy))
84 for (i = y; i < y + n; i++) {
87 win->_line[i].firstchar = changed ? 0 : _NOCHANGE;
88 win->_line[i].lastchar = changed ? win->_maxx : _NOCHANGE;