1 /**************************************************************************** 2 * Copyright (c) 1998-2011,2014 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Thomas E. Dickey 1998-on * 31 * Juergen Pfeifer 2009 * 32 ****************************************************************************/ 33 34 #include <curses.priv.h> 35 36 #ifndef CUR 37 #define CUR SP_TERMTYPE 38 #endif 39 40 MODULE_ID("$Id: lib_dft_fgbg.c,v 1.27 2014/03/08 20:32:59 tom Exp $") 41 42 /* 43 * Modify the behavior of color-pair 0 so that the library doesn't assume that 44 * it is white on black. This is an extension to XSI curses. 45 */ 46 NCURSES_EXPORT(int) 47 NCURSES_SP_NAME(use_default_colors) (NCURSES_SP_DCL0) 48 { 49 T((T_CALLED("use_default_colors(%p)"), (void *) SP_PARM)); 50 returnCode(NCURSES_SP_NAME(assume_default_colors) (NCURSES_SP_ARGx -1, -1)); 51 } 52 53 #if NCURSES_SP_FUNCS 54 NCURSES_EXPORT(int) 55 use_default_colors(void) 56 { 57 return NCURSES_SP_NAME(use_default_colors) (CURRENT_SCREEN); 58 } 59 #endif 60 61 /* 62 * Modify the behavior of color-pair 0 so that the library assumes that it 63 * is something specific, possibly not white on black. 64 */ 65 NCURSES_EXPORT(int) 66 NCURSES_SP_NAME(assume_default_colors) (NCURSES_SP_DCLx int fg, int bg) 67 { 68 int code = ERR; 69 70 T((T_CALLED("assume_default_colors(%p,%d,%d)"), (void *) SP_PARM, fg, bg)); 71 #ifdef USE_TERM_DRIVER 72 if (sp != 0) 73 code = CallDriver_2(sp, td_defaultcolors, fg, bg); 74 #else 75 if ((orig_pair || orig_colors) && !initialize_pair) { 76 77 SP_PARM->_default_color = isDefaultColor(fg) || isDefaultColor(bg); 78 SP_PARM->_has_sgr_39_49 = (tigetflag("AX") == TRUE); 79 SP_PARM->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK); 80 SP_PARM->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK); 81 if (SP_PARM->_color_pairs != 0) { 82 bool save = SP_PARM->_default_color; 83 SP_PARM->_assumed_color = TRUE; 84 SP_PARM->_default_color = TRUE; 85 init_pair(0, (short) fg, (short) bg); 86 SP_PARM->_default_color = save; 87 } 88 code = OK; 89 } 90 #endif 91 returnCode(code); 92 } 93 94 #if NCURSES_SP_FUNCS 95 NCURSES_EXPORT(int) 96 assume_default_colors(int fg, int bg) 97 { 98 return NCURSES_SP_NAME(assume_default_colors) (CURRENT_SCREEN, fg, bg); 99 } 100 #endif 101