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- /****************************************************************************
- * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. *
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- * 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 *
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- * 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. *
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- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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- ****************************************************************************/
-
- /****************************************************************************
- * Author: Thomas E. Dickey <dickey@clark.net> 1997,1999 *
- ****************************************************************************/
-
- #include <curses.priv.h>
- #include <term.h>
-
- MODULE_ID("$Id: lib_dft_fgbg.c,v 1.15 2000/12/10 02:43:27 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(C_MASK, C_MASK));
- }
-
- /*
- * 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 = (fg < 0 || fg == C_MASK) || (bg < 0 || bg == C_MASK);
- SP->_has_sgr_39_49 = (tigetflag("AX") == TRUE);
- SP->_default_fg = (fg >= 0) ? (fg & C_MASK) : C_MASK;
- SP->_default_bg = (bg >= 0) ? (bg & C_MASK) : C_MASK;
- if (SP->_color_pairs != 0)
- init_pair(0, fg, bg);
- returnCode(OK);
- }
-