lib/libcurses/echo_wchar.c

   1 /*   $NetBSD: echo_wchar.c,v 1.2 2007/05/28 15:01:55 blymn Exp $ */
   2
   3 /*
   4  * Copyright (c) 2005 The NetBSD Foundation Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from code donated to the NetBSD Foundation
   8  * by Ruibiao Qiu <ruibiao@arl.wustl.edu,ruibiao@gmail.com>.
   9  *
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *      notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *      notice, this list of conditions and the following disclaimer in the
  18  *      documentation and/or other materials provided with the distribution.
  19  * 3. Neither the name of the NetBSD Foundation nor the names of its
  20  *      contributors may be used to endorse or promote products derived
  21  *      from this software without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  24  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  25  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36
  37 #include <sys/cdefs.h>
  38 #ifndef lint
  39 __RCSID("$NetBSD: echo_wchar.c,v 1.2 2007/05/28 15:01:55 blymn Exp $");
  40 #endif                                            /* not lint */
  41
  42 #include "curses.h"
  43 #include "curses_private.h"
  44
  45 /*
  46  * echo_wchar --
  47  *      Echo wide character and attributes on stdscr and refresh stdscr.
  48  */
  49 int
  50 echo_wchar(const cchar_t *wch)
  51 {
  52 #ifndef HAVE_WCHAR
  53         return ERR;
  54 #else
  55         return wecho_wchar(stdscr, wch);
  56 #endif /* HAVE_WCHAR */
  57 }
  58
  59 /*
  60  * echo_wchar --
  61  *      Echo wide character and attributes on "win" and refresh "win".
  62  */
  63 int
  64 wecho_wchar(WINDOW *win, const cchar_t *wch)
  65 {
  66 #ifndef HAVE_WCHAR
  67         return ERR;
  68 #else
  69         int retval;
  70
  71         retval = wadd_wch(win, wch);
  72         if (retval == OK)
  73                  retval = wrefresh(win);
  74         return retval;
  75 #endif /* HAVE_WCHAR */
  76 }
  77
  78 /*
  79  * pecho_wchar --
  80  *      Echo character and attributes on "pad" and refresh "pad" at
  81  *      its previous position on the screen.
  82  */
  83 int
  84 pecho_wchar(WINDOW *pad, const cchar_t *wch)
  85 {
  86 #ifndef HAVE_WCHAR
  87         return ERR;
  88 #else
  89         int retval;
  90
  91         retval = wadd_wch(pad, wch);
  92         if (retval == OK)
  93                  retval = prefresh(pad, pad->pbegy, pad->pbegx,
  94                         pad->sbegy, pad->sbegx, pad->smaxy, pad->smaxx);
  95         return retval;
  96 #endif /* HAVE_WCHAR */
  97 }