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/* $OpenBSD: lib_bkgd.c,v 1.2 2001/01/22 18:01:37 millert Exp $ */
/****************************************************************************
* Copyright (c) 1998,2000 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("$From: lib_bkgd.c,v 1.14 2000/12/10 02:43:26 tom Exp $")
NCURSES_EXPORT(void)
wbkgdset(WINDOW *win, chtype ch)
{
T((T_CALLED("wbkgdset(%p,%s)"), win, _tracechtype(ch)));
if (win) {
chtype off = AttrOf(win->_bkgd);
chtype on = AttrOf(ch);
toggle_attr_off(win->_attrs, off);
toggle_attr_on(win->_attrs, on);
if (TextOf(ch) == 0)
ch |= BLANK;
win->_bkgd = ch;
}
returnVoid;
}
NCURSES_EXPORT(int)
wbkgd(WINDOW *win, const chtype ch)
{
int code = ERR;
int x, y;
chtype new_bkgd = ch;
T((T_CALLED("wbkgd(%p,%s)"), win, _tracechtype(new_bkgd)));
if (win) {
chtype old_bkgd = getbkgd(win);
wbkgdset(win, new_bkgd);
wattrset(win, AttrOf(win->_bkgd));
for (y = 0; y <= win->_maxy; y++) {
for (x = 0; x <= win->_maxx; x++) {
if (win->_line[y].text[x] == old_bkgd)
win->_line[y].text[x] = win->_bkgd;
else
win->_line[y].text[x] =
_nc_render(win, (A_ALTCHARSET &
AttrOf(win->_line[y].text[x]))
| TextOf(win->_line[y].text[x]));
}
}
touchwin(win);
_nc_synchook(win);
code = OK;
}
returnCode(code);
}
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