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950eed9ace
+ add check in test/configure for use_window, use_screen. + add configure-checks for getopt's variables, which may be declared as different types on some Unix systems. + add check in test/configure for some legacy curses types of the function pointer passed to tputs(). + modify init_pair() to accept -1's for color value after assume_default_colors() has been called (Debian #337905). + modify test/background.c, adding commmand-line options to demonstrate assume_default_colors() and use_default_colors().
101 lines
4.2 KiB
C
101 lines
4.2 KiB
C
/****************************************************************************
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* Copyright (c) 1998-2009,2011 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Thomas E. Dickey 1998-on *
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* Juergen Pfeifer 2009 *
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****************************************************************************/
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#include <curses.priv.h>
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#ifndef CUR
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#define CUR SP_TERMTYPE
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#endif
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MODULE_ID("$Id: lib_dft_fgbg.c,v 1.26 2011/04/23 18:28:18 tom Exp $")
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/*
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* Modify the behavior of color-pair 0 so that the library doesn't assume that
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* it is white on black. This is an extension to XSI curses.
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*/
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NCURSES_EXPORT(int)
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NCURSES_SP_NAME(use_default_colors) (NCURSES_SP_DCL0)
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{
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T((T_CALLED("use_default_colors(%p)"), (void *) SP_PARM));
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returnCode(NCURSES_SP_NAME(assume_default_colors) (NCURSES_SP_ARGx -1, -1));
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}
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#if NCURSES_SP_FUNCS
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NCURSES_EXPORT(int)
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use_default_colors(void)
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{
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return NCURSES_SP_NAME(use_default_colors) (CURRENT_SCREEN);
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}
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#endif
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/*
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* Modify the behavior of color-pair 0 so that the library assumes that it
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* is something specific, possibly not white on black.
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*/
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NCURSES_EXPORT(int)
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NCURSES_SP_NAME(assume_default_colors) (NCURSES_SP_DCLx int fg, int bg)
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{
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int code = ERR;
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T((T_CALLED("assume_default_colors(%p,%d,%d)"), (void *) SP_PARM, fg, bg));
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#ifdef USE_TERM_DRIVER
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if (sp != 0)
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code = CallDriver_2(sp, defaultcolors, fg, bg);
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#else
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if ((orig_pair || orig_colors) && !initialize_pair) {
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SP_PARM->_default_color = isDefaultColor(fg) || isDefaultColor(bg);
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SP_PARM->_has_sgr_39_49 = (tigetflag("AX") == TRUE);
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SP_PARM->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK);
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SP_PARM->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK);
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if (SP_PARM->_color_pairs != 0) {
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bool save = SP_PARM->_default_color;
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SP_PARM->_assumed_color = TRUE;
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SP_PARM->_default_color = TRUE;
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init_pair(0, (short) fg, (short) bg);
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SP_PARM->_default_color = save;
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}
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code = OK;
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}
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#endif
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returnCode(code);
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}
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#if NCURSES_SP_FUNCS
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NCURSES_EXPORT(int)
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assume_default_colors(int fg, int bg)
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{
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return NCURSES_SP_NAME(assume_default_colors) (CURRENT_SCREEN, fg, bg);
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}
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#endif
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