NetBSD/lib/libcurses/add_wch.c

111 lines
3.0 KiB
C

/* $NetBSD: add_wch.c,v 1.9 2019/06/09 07:40:14 blymn 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: add_wch.c,v 1.9 2019/06/09 07:40:14 blymn Exp $");
#endif /* not lint */
#include <stdlib.h>
#include "curses.h"
#include "curses_private.h"
#ifdef DEBUG
#include <assert.h>
#endif
/*
* add_wch --
* Add the wide character to the current position in stdscr.
*
*/
int
add_wch(const cchar_t *wch)
{
return wadd_wch(stdscr, wch);
}
/*
* mvadd_wch --
* Add the wide character to stdscr at the given location.
*/
int
mvadd_wch(int y, int x, const cchar_t *wch)
{
return mvwadd_wch(stdscr, y, x, wch);
}
/*
* mvwadd_wch --
* Add the character to the given window at the given location.
*/
int
mvwadd_wch(WINDOW *win, int y, int x, const cchar_t *wch)
{
if (wmove(win, y, x) == ERR)
return ERR;
return wadd_wch(win, wch);
}
/*
* wadd_wch --
* Add the wide character to the current position in the
* given window.
*
*/
int
wadd_wch(WINDOW *win, const cchar_t *wch)
{
int y = win->cury;
__LINE *lnp = NULL;
#ifdef DEBUG
int i;
int x = win->curx;
for (i = 0; i < win->maxy; i++) {
assert(win->alines[i]->sentinel == SENTINEL_VALUE);
}
__CTRACE(__CTRACE_INPUT, "wadd_wch: win(%p), x: %d, y: %d\n",
win, x, y);
#endif
lnp = win->alines[y];
return _cursesi_addwchar(win, &lnp, &(win->cury), &(win->curx), wch, 1);
}