GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/base/lib_bkgd.c Lines: 0 38 0.0 %
Date: 2017-11-07 Branches: 0 28 0.0 %

Line Branch Exec Source
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/* $OpenBSD: lib_bkgd.c,v 1.3 2010/01/12 23:22:05 nicm Exp $ */
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/****************************************************************************
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 * Copyright (c) 1998-2006,2008 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: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
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 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
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 *     and: Juergen Pfeifer                         1997                    *
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 *     and: Sven Verdoolaege                        2000                    *
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 *     and: Thomas E. Dickey                        1996-on                 *
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 ****************************************************************************/
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#include <curses.priv.h>
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MODULE_ID("$Id: lib_bkgd.c,v 1.3 2010/01/12 23:22:05 nicm Exp $")
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/*
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 * Set the window's background information.
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 */
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#if USE_WIDEC_SUPPORT
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NCURSES_EXPORT(void)
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#else
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static NCURSES_INLINE void
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#endif
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wbkgrndset(WINDOW *win, const ARG_CH_T ch)
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{
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    T((T_CALLED("wbkgdset(%p,%s)"), win, _tracech_t(ch)));
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    if (win) {
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	attr_t off = AttrOf(win->_nc_bkgd);
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	attr_t on = AttrOf(CHDEREF(ch));
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	toggle_attr_off(WINDOW_ATTRS(win), off);
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	toggle_attr_on(WINDOW_ATTRS(win), on);
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#if NCURSES_EXT_COLORS
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	{
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	    int pair;
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	    if ((pair = GetPair(win->_nc_bkgd)) != 0)
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		SET_WINDOW_PAIR(win, 0);
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	    if ((pair = GetPair(CHDEREF(ch))) != 0)
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		SET_WINDOW_PAIR(win, pair);
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	}
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#endif
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	if (CharOf(CHDEREF(ch)) == L('\0')) {
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	    SetChar(win->_nc_bkgd, BLANK_TEXT, AttrOf(CHDEREF(ch)));
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	    if_EXT_COLORS(SetPair(win->_nc_bkgd, GetPair(CHDEREF(ch))));
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	} else {
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	    win->_nc_bkgd = CHDEREF(ch);
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	}
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#if USE_WIDEC_SUPPORT
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	/*
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	 * If we're compiled for wide-character support, _bkgrnd is the
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	 * preferred location for the background information since it stores
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	 * more than _bkgd.  Update _bkgd each time we modify _bkgrnd, so the
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	 * macro getbkgd() will work.
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	 */
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	{
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	    cchar_t wch;
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	    int tmp;
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	    wgetbkgrnd(win, &wch);
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	    tmp = _nc_to_char((wint_t) CharOf(wch));
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	    win->_bkgd = (((tmp == EOF) ? ' ' : (chtype) tmp)
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			  | (AttrOf(wch) & ALL_BUT_COLOR)
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			  | COLOR_PAIR(GET_WINDOW_PAIR(win)));
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	}
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#endif
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    }
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    returnVoid;
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}
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NCURSES_EXPORT(void)
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wbkgdset(WINDOW *win, chtype ch)
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{
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    NCURSES_CH_T wch;
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    SetChar2(wch, ch);
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    wbkgrndset(win, CHREF(wch));
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}
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/*
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 * Set the window's background information and apply it to each cell.
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 */
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#if USE_WIDEC_SUPPORT
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NCURSES_EXPORT(int)
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#else
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static NCURSES_INLINE int
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#undef wbkgrnd
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#endif
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wbkgrnd(WINDOW *win, const ARG_CH_T ch)
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{
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    int code = ERR;
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    int x, y;
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    NCURSES_CH_T new_bkgd = CHDEREF(ch);
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    T((T_CALLED("wbkgd(%p,%s)"), win, _tracech_t(ch)));
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    if (win) {
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	NCURSES_CH_T old_bkgrnd;
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	wgetbkgrnd(win, &old_bkgrnd);
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	wbkgrndset(win, CHREF(new_bkgd));
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	wattrset(win, AttrOf(win->_nc_bkgd));
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	for (y = 0; y <= win->_maxy; y++) {
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	    for (x = 0; x <= win->_maxx; x++) {
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		if (CharEq(win->_line[y].text[x], old_bkgrnd)) {
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		    win->_line[y].text[x] = win->_nc_bkgd;
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		} else {
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		    NCURSES_CH_T wch = win->_line[y].text[x];
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		    RemAttr(wch, (~(A_ALTCHARSET | A_CHARTEXT)));
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		    win->_line[y].text[x] = _nc_render(win, wch);
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		}
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	    }
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	}
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	touchwin(win);
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	_nc_synchook(win);
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	code = OK;
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    }
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    returnCode(code);
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}
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NCURSES_EXPORT(int)
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wbkgd(WINDOW *win, chtype ch)
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{
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    NCURSES_CH_T wch;
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    SetChar2(wch, ch);
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    return wbkgrnd(win, CHREF(wch));
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}