2a780e62ed
without refresh. If the window is not dirty but the window cursor position does not match curscr then move the cursor. This fixes the issues seen in PR lib/54263.
98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/* $NetBSD: inch.c,v 1.14 2019/06/09 07:40:14 blymn Exp $ */
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/*-
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* Copyright (c) 1999 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: inch.c,v 1.14 2019/06/09 07:40:14 blymn 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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* inch --
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* Return character at cursor position from stdscr.
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*/
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chtype
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inch(void)
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{
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return winch(stdscr);
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}
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/*
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* mvinch --
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* Return character at position (y, x) from stdscr.
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*/
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chtype
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mvinch(int y, int x)
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{
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return mvwinch(stdscr, y, x);
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}
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/*
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* mvwinch --
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* Return character at position (y, x) from the given window.
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*/
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chtype
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mvwinch(WINDOW *win, int y, int x)
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{
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if (wmove(win, y, x) == ERR)
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return ERR;
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return winch(win);
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}
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#endif
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/*
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* winch --
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* Return character at cursor position.
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*/
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chtype
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winch(WINDOW *win)
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{
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chtype ch;
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attr_t attr;
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ch = (chtype) ((win)->alines[(win)->cury]->line[(win)->curx].ch &
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__CHARTEXT);
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attr = (attr_t) ((win)->alines[(win)->cury]->line[(win)->curx].attr &
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__ATTRIBUTES);
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if (__using_color && ((attr & __COLOR) == __default_color))
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attr &= ~__COLOR;
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return (ch | attr);
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}
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