1 /****************************************************************************
2 * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc. *
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5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
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9 * copies of the Software, and to permit persons to whom the Software is *
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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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 1.15 2017/11/21 00:14:26 tom Exp $")
51 is_linetouched(WINDOW *win, int line)
53 T((T_CALLED("is_linetouched(%p,%d)"), (void *) win, line));
55 /* XSI doesn't define any error, and gcc ultimately made it impossible */
56 if (!win || (line > win->_maxy) || (line < 0)) {
60 returnCode(win->_line[line].firstchar != _NOCHANGE ? TRUE : FALSE);
64 is_wintouched(WINDOW *win)
66 T((T_CALLED("is_wintouched(%p)"), (void *) win));
71 for (i = 0; i <= win->_maxy; i++)
72 if (win->_line[i].firstchar != _NOCHANGE)
79 wtouchln(WINDOW *win, int y, int n, int changed)
83 T((T_CALLED("wtouchln(%p,%d,%d,%d)"), (void *) win, y, n, changed));
85 if (!win || (n < 0) || (y < 0) || (y > win->_maxy))
88 for (i = y; i < y + n; i++) {
91 win->_line[i].firstchar = (NCURSES_SIZE_T) (changed ? 0 : _NOCHANGE);
92 win->_line[i].lastchar = (NCURSES_SIZE_T) (changed