978ab4ad4e
cell, as they are merged when characters are added. Remove the per cell storage and clarify the manual page. Pointed out by ruibiao@.
164 lines
6.2 KiB
C
164 lines
6.2 KiB
C
/* $NetBSD: border.c,v 1.8 2006/01/15 11:43:54 jdc 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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: border.c,v 1.8 2006/01/15 11:43:54 jdc Exp $");
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#endif /* not lint */
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#include "curses.h"
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#include "curses_private.h"
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#ifndef _CURSES_USE_MACROS
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/*
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* border --
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* Draw a border around stdscr using the specified
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* delimiting characters.
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*/
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int
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border(chtype left, chtype right, chtype top, chtype bottom, chtype topleft,
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chtype topright, chtype botleft, chtype botright)
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{
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return wborder(stdscr, left, right, top, bottom, topleft, topright,
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botleft, botright);
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}
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#endif
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/*
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* wborder --
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* Draw a border around the given window using the specified delimiting
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* characters.
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*/
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int
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wborder(WINDOW *win, chtype left, chtype right, chtype top, chtype bottom,
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chtype topleft, chtype topright, chtype botleft, chtype botright)
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{
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int endy, endx, i;
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__LDATA *fp, *lp;
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if (!(left & __CHARTEXT))
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left |= ACS_VLINE;
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if (!(right & __CHARTEXT))
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right |= ACS_VLINE;
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if (!(top & __CHARTEXT))
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top |= ACS_HLINE;
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if (!(bottom & __CHARTEXT))
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bottom |= ACS_HLINE;
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if (!(topleft & __CHARTEXT))
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topleft |= ACS_ULCORNER;
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if (!(topright & __CHARTEXT))
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topright |= ACS_URCORNER;
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if (!(botleft & __CHARTEXT))
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botleft |= ACS_LLCORNER;
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if (!(botright & __CHARTEXT))
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botright |= ACS_LRCORNER;
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#ifdef DEBUG
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__CTRACE("wborder: left = %c, 0x%x\n", left & __CHARTEXT,
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left & __ATTRIBUTES);
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__CTRACE("wborder: right = %c, 0x%x\n", right & __CHARTEXT,
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right & __ATTRIBUTES);
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__CTRACE("wborder: top = %c, 0x%x\n", top & __CHARTEXT,
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top & __ATTRIBUTES);
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__CTRACE("wborder: bottom = %c, 0x%x\n", bottom & __CHARTEXT,
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bottom & __ATTRIBUTES);
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__CTRACE("wborder: topleft = %c, 0x%x\n", topleft & __CHARTEXT,
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topleft & __ATTRIBUTES);
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__CTRACE("wborder: topright = %c, 0x%x\n", topright & __CHARTEXT,
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topright & __ATTRIBUTES);
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__CTRACE("wborder: botleft = %c, 0x%x\n", botleft & __CHARTEXT,
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botleft & __ATTRIBUTES);
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__CTRACE("wborder: botright = %c, 0x%x\n", botright & __CHARTEXT,
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botright & __ATTRIBUTES);
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#endif
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/* Merge window and background attributes */
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left |= (left & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
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left |= (left & __COLOR) ? (win->battr & ~__COLOR) : win->battr;
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right |= (right & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
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right |= (right & __COLOR) ? (win->battr & ~__COLOR) : win->battr;
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top |= (top & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
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top |= (top & __COLOR) ? (win->battr & ~__COLOR) : win->battr;
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bottom |= (bottom & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
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bottom |= (bottom & __COLOR) ? (win->battr & ~__COLOR) : win->battr;
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topleft |= (topleft & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
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topleft |= (topleft & __COLOR) ? (win->battr & ~__COLOR) : win->battr;
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topright |= (topright & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
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topright |= (topright & __COLOR) ? (win->battr & ~__COLOR) : win->battr;
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botleft |= (botleft & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
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botleft |= (botleft & __COLOR) ? (win->battr & ~__COLOR) : win->battr;
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botright |= (botright & __COLOR) ? (win->wattr & ~__COLOR) : win->wattr;
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botright |= (botright & __COLOR) ? (win->battr & ~__COLOR) : win->battr;
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endx = win->maxx - 1;
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endy = win->maxy - 1;
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fp = win->lines[0]->line;
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lp = win->lines[endy]->line;
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/* Sides */
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for (i = 1; i < endy; i++) {
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win->lines[i]->line[0].ch = (wchar_t) left & __CHARTEXT;
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win->lines[i]->line[0].attr = (attr_t) left & __ATTRIBUTES;
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win->lines[i]->line[endx].ch = (wchar_t) right & __CHARTEXT;
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win->lines[i]->line[endx].attr = (attr_t) right & __ATTRIBUTES;
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}
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for (i = 1; i < endx; i++) {
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fp[i].ch = (wchar_t) top & __CHARTEXT;
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fp[i].attr = (attr_t) top & __ATTRIBUTES;
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lp[i].ch = (wchar_t) bottom & __CHARTEXT;
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lp[i].attr = (attr_t) bottom & __ATTRIBUTES;
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}
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/* Corners */
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if (!(win->maxx == LINES && win->maxy == COLS &&
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(win->flags & __SCROLLOK) && (win->flags & __SCROLLWIN))) {
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fp[0].ch = (wchar_t) topleft & __CHARTEXT;
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fp[0].attr = (attr_t) topleft & __ATTRIBUTES;
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fp[endx].ch = (wchar_t) topright & __CHARTEXT;
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fp[endx].attr = (attr_t) topright & __ATTRIBUTES;
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lp[0].ch = (wchar_t) botleft & __CHARTEXT;
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lp[0].attr = (attr_t) botleft & __ATTRIBUTES;
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lp[endx].ch = (wchar_t) botright & __CHARTEXT;
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lp[endx].attr = (attr_t) botright & __ATTRIBUTES;
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}
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__touchwin(win);
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return (OK);
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}
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