lib_add_wch.c

ncurses-5.4 需要的就来下把 一定会有用的哦

/****************************************************************************
 * Copyright (c) 2004 Free Software Foundation, Inc.                        *
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 * without limitation the rights to use, copy, modify, merge, publish,      *
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/*
**	lib_add_wch.c
**
**	The routine wadd_wch().
**
*/

#include <curses.priv.h>

MODULE_ID("$Id: lib_add_wch.c,v 1.2 2004/02/07 17:53:33 tom 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;
	while (PUTC_i < CCHARW_MAX) {
	    if ((PUTC_ch = wch->chars[PUTC_i++]) == L'\0')
		break;
	    if ((PUTC_n = wcrtomb(PUTC_buf, PUTC_ch, &PUT_st)) <= 0) {
		code = ERR;
		if (PUTC_ch < 256)
		    code = waddch(win, UChar(PUTC_ch));
		break;
	    }
	    for (n = 0; n < PUTC_n; n++) {
		if ((code = waddch(win, UChar(PUTC_buf[n]))) == 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;
	while (PUTC_i < CCHARW_MAX) {
	    if ((PUTC_ch = wch->chars[PUTC_i++]) == L'\0')
		break;
	    if ((PUTC_n = wcrtomb(PUTC_buf, PUTC_ch, &PUT_st)) <= 0) {
		code = ERR;
		if (PUTC_ch < 256)
		    code = waddch(win, UChar(PUTC_ch));
		break;
	    }
	    for (n = 0; n < PUTC_n; n++) {
		if ((code = waddch(win, UChar(PUTC_buf[n]))) == ERR) {
		    break;
		}
	    }
	    if (code == ERR)
		break;
	}
	wrefresh(win);
    }

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