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/* $OpenBSD: lib_bkgd.c,v 1.3 1997/12/03 05:21:12 millert Exp $ */
/***************************************************************************
* 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. *
* *
***************************************************************************/
#include <curses.priv.h>
MODULE_ID("Id: lib_bkgd.c,v 1.11 1997/10/18 19:03:49 tom Exp $")
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;
}
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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