diff options
Diffstat (limited to 'ncurses-5.3/ncurses/base/lib_dft_fgbg.c')
-rw-r--r-- | ncurses-5.3/ncurses/base/lib_dft_fgbg.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/base/lib_dft_fgbg.c b/ncurses-5.3/ncurses/base/lib_dft_fgbg.c new file mode 100644 index 0000000..7b4c187 --- /dev/null +++ b/ncurses-5.3/ncurses/base/lib_dft_fgbg.c @@ -0,0 +1,71 @@ +/**************************************************************************** + * Copyright (c) 1998,1999,2000 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: Thomas E. Dickey <dickey@clark.net> 1997,1999 * + ****************************************************************************/ + +#include <curses.priv.h> +#include <term.h> + +MODULE_ID("$Id$") + +/* + * 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); +} |