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/* $NetBSD: in_wch.c,v 1.3 2009/07/22 16:57:14 roy Exp $ */
/*
* Copyright (c) 2005 The NetBSD Foundation Inc.
* All rights reserved.
*
* This code is derived from code donated to the NetBSD Foundation
* by Ruibiao Qiu <ruibiao@arl.wustl.edu,ruibiao@gmail.com>.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: in_wch.c,v 1.3 2009/07/22 16:57:14 roy Exp $");
#endif /* not lint */
#include "curses.h"
#include "curses_private.h"
/*
* in_wch --
* Return wide character at cursor position from stdscr.
*/
int
in_wch(cchar_t *wcval)
{
#ifndef HAVE_WCHAR
return ERR;
#else
return win_wch(stdscr, wcval);
#endif /* HAVE_WCHAR */
}
/*
* mvin_wch --
* Return wide character at position (y, x) from stdscr.
*/
int
mvin_wch(int y, int x, cchar_t *wcval)
{
#ifndef HAVE_WCHAR
return ERR;
#else
return mvwin_wch(stdscr, y, x, wcval);
#endif /* HAVE_WCHAR */
}
/*
* mvwin_wch --
* Return wide character at position (y, x) from the given window.
*/
int
mvwin_wch(WINDOW *win, int y, int x, cchar_t *wcval)
{
#ifndef HAVE_WCHAR
return ERR;
#else
if (wmove(win, y, x) == ERR)
return ERR;
return win_wch(win, wcval);
#endif /* HAVE_WCHAR */
}
/*
* win_wch --
* Return wide character at cursor position.
*/
int
win_wch(WINDOW *win, cchar_t *wcval)
{
#ifndef HAVE_WCHAR
return ERR;
#else
nschar_t *np;
__LDATA *lp = &win->alines[ win->cury ]->line[ win->curx ];
int cw = WCOL( *lp );
if ( cw < 0 )
lp += cw;
wcval->vals[ 0 ] = lp->ch;
wcval->attributes = lp->attr;
wcval->elements = 1;
np = lp->nsp;
if (np) {
do {
wcval->vals[ wcval->elements++ ] = np->ch;
np = np-> next;
} while ( np );
}
return OK;
#endif /* HAVE_WCHAR */
}
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