/* $OpenBSD: lib_add_wch.c,v 1.1 2010/09/06 17:26:17 nicm Exp $ */

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 * Copyright (c) 2004,2006 Free Software Foundation, Inc.                   *
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 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
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/*
**	lib_add_wch.c
**
**	The routine wadd_wch().
**
*/

#include <curses.priv.h>

MODULE_ID("$Id: lib_add_wch.c,v 1.1 2010/09/06 17:26:17 nicm Exp $")

NCURSES_EXPORT(int)
wadd_wch(WINDOW *win, const cchar_t *wch)
{
    PUTC_DATA;
    int n;
    int code = ERR;

    TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_CALLED("wadd_wch(%p, %s)"), win,
				      _tracech_t(wch)));

    if (win != 0) {
	PUTC_INIT;
	for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
	    attr_t attrs = (wch->attr & A_ATTRIBUTES);

	    if ((PUTC_ch = wch->chars[PUTC_i]) == L'\0')
		break;
	    if ((PUTC_n = wcrtomb(PUTC_buf, PUTC_ch, &PUT_st)) <= 0) {
		code = ERR;
		if (is8bits(PUTC_ch))
		    code = waddch(win, UChar(PUTC_ch) | attrs);
		break;
	    }
	    for (n = 0; n < PUTC_n; n++) {
		if ((code = waddch(win, UChar(PUTC_buf[n]) | attrs)) == ERR) {
		    break;
		}
	    }
	    if (code == ERR)
		break;
	}
    }

    TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_RETURN("%d"), code));
    return (code);
}

NCURSES_EXPORT(int)
wecho_wchar(WINDOW *win, const cchar_t *wch)
{
    PUTC_DATA;
    int n;
    int code = ERR;

    TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_CALLED("wecho_wchar(%p, %s)"), win,
				      _tracech_t(wch)));

    if (win != 0) {
	PUTC_INIT;
	for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
	    attr_t attrs = (wch->attr & A_ATTRIBUTES);

	    if ((PUTC_ch = wch->chars[PUTC_i]) == L'\0')
		break;
	    if ((PUTC_n = wcrtomb(PUTC_buf, PUTC_ch, &PUT_st)) <= 0) {
		code = ERR;
		if (is8bits(PUTC_ch))
		    code = waddch(win, UChar(PUTC_ch) | attrs);
		break;
	    }
	    for (n = 0; n < PUTC_n; n++) {
		if ((code = waddch(win, UChar(PUTC_buf[n]) | attrs)) == ERR) {
		    break;
		}
	    }
	    if (code == ERR)
		break;
	}
	wrefresh(win);
    }

    TR(TRACE_VIRTPUT | TRACE_CCALLS, (T_RETURN("%d"), code));
    return (code);
}