51ffecc181
. abandons mixer, gomoku, talk, talkd, top from base system . compile top with clang so no ack-compiled program needs -lcurses any more
286 lines
6.5 KiB
C
286 lines
6.5 KiB
C
/* $NetBSD: background.c,v 1.15 2009/07/22 16:57:14 roy Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Julian Coleman.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: background.c,v 1.15 2009/07/22 16:57:14 roy Exp $");
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#endif /* not lint */
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#include <stdlib.h>
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#include "curses.h"
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#include "curses_private.h"
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/*
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* bkgdset
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* Set new background attributes on stdscr.
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*/
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void
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bkgdset(chtype ch)
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{
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wbkgdset(stdscr, ch);
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}
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/*
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* bkgd --
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* Set new background and new background attributes on stdscr.
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*/
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int
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bkgd(chtype ch)
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{
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return(wbkgd(stdscr, ch));
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}
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/*
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* wbkgdset
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* Set new background attributes.
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*/
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void
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wbkgdset(WINDOW *win, chtype ch)
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{
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wbkgdset: (%p), '%s', %08x\n",
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win, unctrl(ch & +__CHARTEXT), ch & __ATTRIBUTES);
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#endif
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/* Background character. */
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if (ch & __CHARTEXT)
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win->bch = (wchar_t) ch & __CHARTEXT;
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/* Background attributes (check colour). */
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if (__using_color && !(ch & __COLOR))
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ch |= __default_color;
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win->battr = (attr_t) ch & __ATTRIBUTES;
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}
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/*
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* wbkgd --
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* Set new background and new background attributes.
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*/
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int
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wbkgd(WINDOW *win, chtype ch)
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{
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int y, x;
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wbkgd: (%p), '%s', %08x\n",
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win, unctrl(ch & +__CHARTEXT), ch & __ATTRIBUTES);
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#endif
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/* Background attributes (check colour). */
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if (__using_color && !(ch & __COLOR))
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ch |= __default_color;
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win->battr = (attr_t) ch & __ATTRIBUTES;
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wbkgdset(win, ch);
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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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/* Copy character if space */
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if (ch & A_CHARTEXT && win->alines[y]->line[x].ch == ' ')
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win->alines[y]->line[x].ch = ch & __CHARTEXT;
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/* Merge attributes */
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if (win->alines[y]->line[x].attr & __ALTCHARSET)
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win->alines[y]->line[x].attr =
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(ch & __ATTRIBUTES) | __ALTCHARSET;
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else
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win->alines[y]->line[x].attr =
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ch & __ATTRIBUTES;
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#ifdef HAVE_WCHAR
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SET_WCOL(win->alines[y]->line[x], 1);
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#endif
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}
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__touchwin(win);
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return(OK);
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}
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/*
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* getbkgd --
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* Get current background attributes.
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*/
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chtype
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getbkgd(WINDOW *win)
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{
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attr_t battr;
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/* Background attributes (check colour). */
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battr = win->battr & A_ATTRIBUTES;
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if (__using_color && ((battr & __COLOR) == __default_color))
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battr &= ~__default_color;
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return ((chtype) ((win->bch & A_CHARTEXT) | battr));
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}
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int bkgrnd(const cchar_t *wch)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return wbkgrnd( stdscr, wch );
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#endif /* HAVE_WCHAR */
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}
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void bkgrndset(const cchar_t *wch)
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{
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#ifdef HAVE_WCHAR
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wbkgrndset( stdscr, wch );
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#endif /* HAVE_WCHAR */
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}
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int getbkgrnd(cchar_t *wch)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return wgetbkgrnd( stdscr, wch );
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#endif /* HAVE_WCHAR */
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}
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int wbkgrnd(WINDOW *win, const cchar_t *wch)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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/* int y, x, i; */
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attr_t battr;
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/* nschar_t *np, *tnp, *pnp; */
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wbkgrnd: (%p), '%s', %x\n",
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win, (const char *) wunctrl(wch), wch->attributes);
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#endif
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/* ignore multi-column characters */
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if ( !wch->elements || wcwidth( wch->vals[ 0 ]) > 1 )
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return ERR;
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/* Background attributes (check colour). */
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battr = wch->attributes & WA_ATTRIBUTES;
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if (__using_color && !( battr & __COLOR))
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battr |= __default_color;
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win->battr = battr;
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wbkgrndset(win, wch);
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__touchwin(win);
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return OK;
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#endif /* HAVE_WCHAR */
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}
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void wbkgrndset(WINDOW *win, const cchar_t *wch)
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{
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#ifdef HAVE_WCHAR
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attr_t battr;
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nschar_t *np, *tnp;
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int i;
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#ifdef DEBUG
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__CTRACE(__CTRACE_ATTR, "wbkgrndset: (%p), '%s', %x\n",
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win, (const char *) wunctrl(wch), wch->attributes);
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#endif
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/* ignore multi-column characters */
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if ( !wch->elements || wcwidth( wch->vals[ 0 ]) > 1 )
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return;
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/* Background character. */
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tnp = np = win->bnsp;
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if ( wcwidth( wch->vals[ 0 ]))
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win->bch = wch->vals[ 0 ];
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else {
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if ( !np ) {
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np = (nschar_t *)malloc(sizeof(nschar_t));
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if (!np)
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return;
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np->next = NULL;
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win->bnsp = np;
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}
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np->ch = wch->vals[ 0 ];
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tnp = np;
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np = np->next;
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}
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/* add non-spacing characters */
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if ( wch->elements > 1 ) {
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for ( i = 1; i < wch->elements; i++ ) {
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if ( !np ) {
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np = (nschar_t *)malloc(sizeof(nschar_t));
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if (!np)
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return;
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np->next = NULL;
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if ( tnp )
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tnp->next = np;
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else
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win->bnsp = np;
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}
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np->ch = wch->vals[ i ];
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tnp = np;
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np = np->next;
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}
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}
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/* clear the old non-spacing characters */
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while ( np ) {
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tnp = np->next;
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free( np );
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np = tnp;
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}
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/* Background attributes (check colour). */
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battr = wch->attributes & WA_ATTRIBUTES;
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if (__using_color && !( battr & __COLOR))
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battr |= __default_color;
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win->battr = battr;
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SET_BGWCOL((*win), 1);
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#endif /* HAVE_WCHAR */
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}
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int wgetbkgrnd(WINDOW *win, cchar_t *wch)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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nschar_t *np;
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/* Background attributes (check colour). */
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wch->attributes = win->battr & WA_ATTRIBUTES;
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if (__using_color && (( wch->attributes & __COLOR )
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== __default_color))
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wch->attributes &= ~__default_color;
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wch->vals[ 0 ] = win->bch;
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wch->elements = 1;
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np = win->bnsp;
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if (np) {
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while ( np && wch->elements < CURSES_CCHAR_MAX ) {
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wch->vals[ wch->elements++ ] = np->ch;
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np = np->next;
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}
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}
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return OK;
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#endif /* HAVE_WCHAR */
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}
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