-
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * Copyright (c) 1998 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
/*
#include <curses.priv.h>
-MODULE_ID("$Id: lib_overlay.c,v 1.8 1997/04/24 10:34:38 tom Exp $")
+MODULE_ID("$Id: lib_overlay.c,v 1.12 1998/02/11 12:13:59 tom Exp $")
static int overlap(const WINDOW *const s, WINDOW *const d, int const flag)
{
T(("overlap : sby %d, sbx %d, smy %d, smx %d, dby %d, dbx %d, dmy %d, dmx %d",
s->_begy, s->_begx, s->_maxy, s->_maxx,
d->_begy, d->_begx, d->_maxy, d->_maxx));
+
+ if (!s || !d)
+ returnCode(ERR);
+
sminrow = max(s->_begy, d->_begy) - s->_begy;
smincol = max(s->_begx, d->_begx) - s->_begx;
dminrow = max(s->_begy, d->_begy) - d->_begy;
{
int sx, sy, dx, dy;
bool touched;
+chtype bk = AttrOf(dst->_bkgd);
+chtype mask = ~(chtype)((bk&A_COLOR) ? A_COLOR : 0);
T((T_CALLED("copywin(%p, %p, %d, %d, %d, %d, %d, %d, %d)"),
src, dst, sminrow, smincol, dminrow, dmincol, dmaxrow, dmaxcol, over));
+ if (!src || !dst)
+ returnCode(ERR);
+
/* make sure rectangle exists in source */
if ((sminrow + dmaxrow - dminrow) > (src->_maxy + 1) ||
(smincol + dmaxcol - dmincol) > (src->_maxx + 1)) {
if ((TextOf(src->_line[sy].text[sx]) != ' ') &&
(dst->_line[dy].text[dx]!=src->_line[sy].text[sx]))
{
- dst->_line[dy].text[dx] = src->_line[sy].text[sx];
+ dst->_line[dy].text[dx] =
+ (src->_line[sy].text[sx] & mask) | bk;
touched = TRUE;
}
}