xref: /onnv-gate/usr/src/lib/libcurses/screen/pechowchar.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*  Copyright (c) 1988 AT&T */
23*0Sstevel@tonic-gate /*    All Rights Reserved   */
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  *      Copyright (c) 1997, by Sun Microsystems, Inc.
28*0Sstevel@tonic-gate  *      All rights reserved.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate /*LINTLIBRARY*/
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate /*
36*0Sstevel@tonic-gate  *  These routines short-circuit much of the innards of curses in order to get
37*0Sstevel@tonic-gate  *  a single character output to the screen quickly!
38*0Sstevel@tonic-gate  *
39*0Sstevel@tonic-gate  *  pechochar(WINDOW *pad, chtype ch) is functionally equivalent to
40*0Sstevel@tonic-gate  *  waddch(WINDOW *pad, chtype ch), prefresh(WINDOW *pad, `the same arguments
41*0Sstevel@tonic-gate  *  as in the last prefresh or pnoutrefresh')
42*0Sstevel@tonic-gate  */
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate #include	<sys/types.h>
45*0Sstevel@tonic-gate #include	"curses_inc.h"
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate int
pechowchar(WINDOW * pad,chtype ch)48*0Sstevel@tonic-gate pechowchar(WINDOW *pad, chtype ch)
49*0Sstevel@tonic-gate {
50*0Sstevel@tonic-gate 	WINDOW *padwin;
51*0Sstevel@tonic-gate 	int	rv;
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate 	/*
54*0Sstevel@tonic-gate 	 * If pad->_padwin exists(meaning that p*refresh have been
55*0Sstevel@tonic-gate 	 * previously called), call wechochar on it.  Otherwise, call
56*0Sstevel@tonic-gate 	 * wechochar on the pad itself
57*0Sstevel@tonic-gate 	 */
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate 	if ((padwin = pad->_padwin) != NULL) {
60*0Sstevel@tonic-gate 		padwin->_cury = pad->_cury - padwin->_pary;
61*0Sstevel@tonic-gate 		padwin->_curx = pad->_curx - padwin->_parx;
62*0Sstevel@tonic-gate 		rv = wechowchar(padwin, ch);
63*0Sstevel@tonic-gate 		pad->_cury = padwin->_cury + padwin->_pary;
64*0Sstevel@tonic-gate 		pad->_curx = padwin->_curx + padwin->_parx;
65*0Sstevel@tonic-gate 		return (rv);
66*0Sstevel@tonic-gate 	} else
67*0Sstevel@tonic-gate 	return (wechowchar(pad, ch));
68*0Sstevel@tonic-gate }
69