ncursesw-morphos/ncurses/base/lib_dft_fgbg.c
Thomas E. Dickey 027ae42953 ncurses 5.6
2006-12-17 23:32:42 -05:00

76 lines
3.5 KiB
C

/****************************************************************************
* Copyright (c) 1998-2004,2005 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: Thomas E. Dickey *
****************************************************************************/
#include <curses.priv.h>
#include <term.h>
MODULE_ID("$Id: lib_dft_fgbg.c,v 1.18 2005/11/26 20:03:38 tom Exp $")
/*
* Modify the behavior of color-pair 0 so that the library doesn't assume that
* it is white on black. This is an extension to XSI curses.
*/
NCURSES_EXPORT(int)
use_default_colors(void)
{
T((T_CALLED("use_default_colors()")));
returnCode(assume_default_colors(-1, -1));
}
/*
* Modify the behavior of color-pair 0 so that the library assumes that it
* is something specific, possibly not white on black.
*/
NCURSES_EXPORT(int)
assume_default_colors(int fg, int bg)
{
T((T_CALLED("assume_default_colors(%d,%d)"), fg, bg));
if (!orig_pair && !orig_colors)
returnCode(ERR);
if (initialize_pair) /* don't know how to handle this */
returnCode(ERR);
SP->_default_color = isDefaultColor(fg) || isDefaultColor(bg);
SP->_has_sgr_39_49 = (tigetflag("AX") == TRUE);
SP->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK);
SP->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK);
if (SP->_color_pairs != 0) {
bool save = SP->_default_color;
SP->_default_color = TRUE;
init_pair(0, (short) fg, (short) bg);
SP->_default_color = save;
}
returnCode(OK);
}