1 /****************************************************************************
2 * Copyright (c) 1998 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, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
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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 1.6 1998/04/11 22:55:02 tom Exp $")
48 bool is_linetouched(WINDOW *win, int line)
50 T((T_CALLED("is_linetouched(%p,%d)"), win, line));
52 /* XSI doesn't define any error */
53 if (!win || (line > win->_maxy) || (line < 0))
56 returnCode(win->_line[line].firstchar != _NOCHANGE ? TRUE : FALSE);
59 bool is_wintouched(WINDOW *win)
63 T((T_CALLED("is_wintouched(%p)"), win));
66 for (i = 0; i <= win->_maxy; i++)
67 if (win->_line[i].firstchar != _NOCHANGE)
72 int wtouchln(WINDOW *win, int y, int n, int changed)
76 T((T_CALLED("wtouchln(%p,%d,%d,%d)"), win, y, n, changed));
78 if (!win || (n<0) || (y<0) || (y>win->_maxy))
81 for (i = y; i < y+n; i++) {
82 if (i>win->_maxy) break;
83 win->_line[i].firstchar = changed ? 0 : _NOCHANGE;
84 win->_line[i].lastchar = changed ? win->_maxx : _NOCHANGE;