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addch.c revision 1.17 
      1 /*	$NetBSD: addch.c,v 1.17 2013/11/09 11:16:59 blymn Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1981, 1993, 1994
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)addch.c	8.2 (Berkeley) 5/4/94";
     36 #else
     37 __RCSID("$NetBSD: addch.c,v 1.17 2013/11/09 11:16:59 blymn Exp $");
     38 #endif
     39 #endif				/* not lint */
     40 
     41 #include "curses.h"
     42 #include "curses_private.h"
     43 
     44 #ifndef _CURSES_USE_MACROS
     45 
     46 /*
     47  * addch --
     48  *	Add the character to the current position in stdscr.
     49  *
     50  */
     51 int
     52 addch(chtype ch)
     53 {
     54 	return waddch(stdscr, ch);
     55 }
     56 
     57 /*
     58  * mvaddch --
     59  *      Add the character to stdscr at the given location.
     60  */
     61 int
     62 mvaddch(int y, int x, chtype ch)
     63 {
     64 	return mvwaddch(stdscr, y, x, ch);
     65 }
     66 
     67 /*
     68  * mvwaddch --
     69  *      Add the character to the given window at the given location.
     70  */
     71 int
     72 mvwaddch(WINDOW *win, int y, int x, chtype ch)
     73 {
     74 	if (wmove(win, y, x) == ERR)
     75 		return ERR;
     76 
     77 	return waddch(win, ch);
     78 }
     79 
     80 #endif
     81 
     82 /*
     83  * waddch --
     84  *	Add the character to the current position in the given window.
     85  *
     86  */
     87 int
     88 waddch(WINDOW *win, chtype ch)
     89 {
     90 #ifdef HAVE_WCHAR
     91 	cchar_t cc;
     92 #else
     93 	__LDATA buf;
     94 #endif
     95 
     96 #ifdef HAVE_WCHAR
     97 	__cursesi_chtype_to_cchar(ch, &cc);
     98 #else
     99 	buf.ch = (wchar_t) ch & __CHARTEXT;
    100 	buf.attr = (attr_t) ch & __ATTRIBUTES;
    101 #endif
    102 
    103 #ifdef DEBUG
    104 #ifdef HAVE_WCHAR
    105 	__CTRACE(__CTRACE_INPUT,
    106 		 "addch: %d : 0x%x (adding char as wide char)\n",
    107 		 cc.vals[0], cc.attributes);
    108 #else
    109 	__CTRACE(__CTRACE_INPUT, "addch: %d : 0x%x\n", buf.ch, buf.attr);
    110 #endif
    111 #endif
    112 
    113 #ifdef HAVE_WCHAR
    114 	return (wadd_wch(win, &cc));
    115 #else
    116 	return (__waddch(win, &buf));
    117 #endif
    118 }
    119 
    120 int
    121 __waddch(WINDOW *win, __LDATA *dp)
    122 {
    123 	char	buf[2];
    124 
    125 	buf[0] = dp->ch;
    126 	buf[1] = '\0';
    127 	return (_cursesi_waddbytes(win, buf, 1, dp->attr, 1));
    128 }
    129