diff options
Diffstat (limited to 'ncurses-5.9/ncurses/base/lib_dft_fgbg.c')
| -rw-r--r-- | ncurses-5.9/ncurses/base/lib_dft_fgbg.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/base/lib_dft_fgbg.c b/ncurses-5.9/ncurses/base/lib_dft_fgbg.c new file mode 100644 index 0000000..821b7c2 --- /dev/null +++ b/ncurses-5.9/ncurses/base/lib_dft_fgbg.c @@ -0,0 +1,99 @@ +/**************************************************************************** + * Copyright (c) 1998-2005,2009 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 1998-on * + * Juergen Pfeifer 2009 * + ****************************************************************************/ + +#include <curses.priv.h> + +#ifndef CUR +#define CUR SP_TERMTYPE +#endif + +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) +NCURSES_SP_NAME(use_default_colors) (NCURSES_SP_DCL0) +{ + T((T_CALLED("use_default_colors(%p)"), (void *) SP_PARM)); + returnCode(NCURSES_SP_NAME(assume_default_colors) (NCURSES_SP_ARGx -1, -1)); +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +use_default_colors(void) +{ + return NCURSES_SP_NAME(use_default_colors) (CURRENT_SCREEN); +} +#endif + +/* + * 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) +NCURSES_SP_NAME(assume_default_colors) (NCURSES_SP_DCLx int fg, int bg) +{ + int code = ERR; + + T((T_CALLED("assume_default_colors(%p,%d,%d)"), (void *) SP_PARM, fg, bg)); +#ifdef USE_TERM_DRIVER + if (sp != 0) + code = CallDriver_2(sp, defaultcolors, fg, bg); +#else + if ((orig_pair || orig_colors) && !initialize_pair) { + + SP_PARM->_default_color = isDefaultColor(fg) || isDefaultColor(bg); + SP_PARM->_has_sgr_39_49 = (tigetflag("AX") == TRUE); + SP_PARM->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK); + SP_PARM->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK); + if (SP_PARM->_color_pairs != 0) { + bool save = SP_PARM->_default_color; + SP_PARM->_default_color = TRUE; + init_pair(0, (short) fg, (short) bg); + SP_PARM->_default_color = save; + } + code = OK; + } +#endif + returnCode(code); +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +assume_default_colors(int fg, int bg) +{ + return NCURSES_SP_NAME(assume_default_colors) (CURRENT_SCREEN, fg, bg); +} +#endif |