NetBSD/lib/libcurses/addwstr.c

202 lines
4.9 KiB
C

/* $NetBSD: addwstr.c,v 1.2 2007/05/28 15:01:54 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: addwstr.c,v 1.2 2007/05/28 15:01:54 blymn Exp $");
#endif /* not lint */
#include <string.h>
#include "curses.h"
#include "curses_private.h"
/*
* addwstr --
* Add a string to stdscr starting at (_cury, _curx).
*/
int
addwstr(const wchar_t *s)
{
#ifndef HAVE_WCHAR
return ERR;
#else
return waddnwstr(stdscr, s, -1);
#endif /* HAVE_WCHAR */
}
/*
* waddwstr --
* Add a string to the given window starting at (_cury, _curx).
*/
int
waddwstr(WINDOW *win, const wchar_t *s)
{
#ifndef HAVE_WCHAR
return ERR;
#else
return waddnwstr(win, s, -1);
#endif /* HAVE_WCHAR */
}
/*
* addnwstr --
* Add a string (at most n characters) to stdscr starting
* at (_cury, _curx). If n is negative, add the entire string.
*/
int
addnwstr(const wchar_t *str, int n)
{
#ifndef HAVE_WCHAR
return ERR;
#else
return waddnwstr(stdscr, str, n);
#endif /* HAVE_WCHAR */
}
/*
* mvaddwstr --
* Add a string to stdscr starting at (y, x)
*/
int
mvaddwstr(int y, int x, const wchar_t *str)
{
#ifndef HAVE_WCHAR
return ERR;
#else
return mvwaddnwstr(stdscr, y, x, str, -1);
#endif /* HAVE_WCHAR */
}
/*
* mvwaddwstr --
* Add a string to the given window starting at (y, x)
*/
int
mvwaddwstr(WINDOW *win, int y, int x, const wchar_t *str)
{
#ifndef HAVE_WCHAR
return ERR;
#else
return mvwaddnwstr(win, y, x, str, -1);
#endif /* HAVE_WCHAR */
}
/*
* mvaddnwstr --
* Add a string of at most n characters to stdscr
* starting at (y, x).
*/
int
mvaddnwstr(int y, int x, const wchar_t *str, int count)
{
#ifndef HAVE_WCHAR
return ERR;
#else
return mvwaddnwstr(stdscr, y, x, str, count);
#endif /* HAVE_WCHAR */
}
/*
* mvwaddnwstr --
* Add a string of at most n characters to the given window
* starting at (y, x).
*/
int
mvwaddnwstr(WINDOW *win, int y, int x, const wchar_t *str, int count)
{
#ifndef HAVE_WCHAR
return ERR;
#else
if (wmove(win, y, x) == ERR)
return ERR;
return waddnwstr(win, str, count);
#endif /* HAVE_WCHAR */
}
/*
* waddnwstr --
* Add a string (at most n characters) to the given window
* starting at (_cury, _curx). If n is negative, add the
* entire string.
*/
int
waddnwstr(WINDOW *win, const wchar_t *s, int n)
{
#ifndef HAVE_WCHAR
return ERR;
#else
size_t len;
const wchar_t *p;
cchar_t cc;
wchar_t wc[ 2 ];
/*
* BSD curses: if (n > 0) then "at most n", else "len = strlen(s)"
* ncurses: if (n >= 0) then "at most n", else "len = strlen(s)"
* XCURSES: if (n != -1) then "at most n", else "len = strlen(s)"
*/
/* compute the length and column width of string */
if ( n < -1 )
return ERR;
if (n >= 0)
for (p = s, len = 0; n-- && *p++; ++len );
else
len = wcslen(s);
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "waddnwstr: string len=%ld\n", (long) len);
#endif /* DEBUG */
p = s;
while ( len ) {
wc[ 0 ] = *p;
wc[ 1 ] = L'\0';
if ( setcchar( &cc, wc, win->wattr, 0, NULL ) == ERR )
return ERR;
if ( wadd_wch( win, &cc ) == ERR )
return ERR;
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "waddnwstr: (%x,%x,%d) added\n",
cc.vals[ 0 ], cc.attributes, cc.elements );
#endif /* DEBUG */
p++, len--;
}
return OK;
#endif /* HAVE_WCHAR */
}