94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
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/* $NetBSD: chgat.c,v 1.4 2009/07/22 16:57:14 roy Exp $ */
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/*
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* Copyright (c) 2009 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 Joerg Sonnenberger.
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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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__RCSID("$NetBSD: chgat.c,v 1.4 2009/07/22 16:57:14 roy Exp $");
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#include "curses.h"
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#include "curses_private.h"
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int
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chgat(int n, attr_t attr, short color, const void *opts)
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{
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return wchgat(stdscr, n, attr, color, opts);
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}
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int
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mvchgat(int y, int x, int n, attr_t attr, short color,
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const void *opts)
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{
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return mvwchgat(stdscr, y, x, n, attr, color, opts);
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}
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int
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wchgat(WINDOW *win, int n, attr_t attr, short color, const void *opts)
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{
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return mvwchgat(win, win->cury, win->curx, n, attr, color, opts);
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}
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int
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mvwchgat(WINDOW *win , int y, int x, int count, attr_t attr, short color,
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const void *opts)
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{
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__LINE *lp;
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__LDATA *lc;
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if (x < 0 || y < 0)
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return (ERR);
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if (x >= win->maxx || y >= win->maxy)
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return (ERR);
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attr = (attr & ~__COLOR) | COLOR_PAIR(color);
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if (count < 0 || count > win->maxx - x)
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count = win->maxx - x;
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lp = win->alines[y];
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lc = &lp->line[x];
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if (x + win->ch_off < *lp->firstchp)
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*lp->firstchp = x + win->ch_off;
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if (x + win->ch_off + count > *lp->lastchp)
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*lp->lastchp = x + win->ch_off + count;
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while (count-- > 0) {
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lp->flags |= __ISDIRTY;
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#ifdef HAVE_WCHAR
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lc->attr = (lc->attr & ~WA_ATTRIBUTES) | attr;
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#else
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lc->attr = attr;
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#endif
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++lc;
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}
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return OK;
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}
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