xref: /onnv-gate/usr/src/lib/libcurses/screen/slk_refresh.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 /*
23*0Sstevel@tonic-gate  * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate  * The Regents of the University of California
33*0Sstevel@tonic-gate  * All Rights Reserved
34*0Sstevel@tonic-gate  *
35*0Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate  * contributors.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate /*LINTLIBRARY*/
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 /* Update the soft-label window. */
48*0Sstevel@tonic-gate 
49*0Sstevel@tonic-gate int
slk_refresh(void)50*0Sstevel@tonic-gate slk_refresh(void)
51*0Sstevel@tonic-gate {
52*0Sstevel@tonic-gate 	if (_slk_update()) {
53*0Sstevel@tonic-gate 		return (wrefresh(SP->slk->_win));
54*0Sstevel@tonic-gate 	}
55*0Sstevel@tonic-gate 	return (0);
56*0Sstevel@tonic-gate }
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate /* Update soft labels. Return TRUE if a window was updated. */
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate int
_slk_update(void)61*0Sstevel@tonic-gate _slk_update(void)
62*0Sstevel@tonic-gate {
63*0Sstevel@tonic-gate 	WINDOW	*win;
64*0Sstevel@tonic-gate 	SLK_MAP	*slk;
65*0Sstevel@tonic-gate 	int	i;
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate 	if ((slk = SP->slk) == NULL || (slk->_changed != TRUE))
68*0Sstevel@tonic-gate 		return (FALSE);
69*0Sstevel@tonic-gate 
70*0Sstevel@tonic-gate 	win = slk->_win;
71*0Sstevel@tonic-gate 	for (i = 0; i < slk->_num; ++i)
72*0Sstevel@tonic-gate 		if (slk->_lch[i]) {
73*0Sstevel@tonic-gate 			if (win)
74*0Sstevel@tonic-gate 				(void) mvwaddstr(win, 0, slk->_labx[i],
75*0Sstevel@tonic-gate 				    slk->_ldis[i]);
76*0Sstevel@tonic-gate 			else
77*0Sstevel@tonic-gate 				_PUTS(tparm_p2(plab_norm, i + 1,
78*0Sstevel@tonic-gate 				    (long)slk->_ldis[i]), 1);
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate 			slk->_lch[i] = FALSE;
81*0Sstevel@tonic-gate 		}
82*0Sstevel@tonic-gate 	if (!win) {
83*0Sstevel@tonic-gate 		_PUTS(label_on, 1);
84*0Sstevel@tonic-gate 		/*
85*0Sstevel@tonic-gate 		 * Added an fflush because if application code calls a
86*0Sstevel@tonic-gate 		 * slk_refresh or a slk_noutrefresh
87*0Sstevel@tonic-gate 		 * and a doupdate nothing will get flushed since this
88*0Sstevel@tonic-gate 		 * information is not being kept in curscr or _virtscr.
89*0Sstevel@tonic-gate 		 */
90*0Sstevel@tonic-gate 		(void) fflush(SP->term_file);
91*0Sstevel@tonic-gate 	}
92*0Sstevel@tonic-gate 
93*0Sstevel@tonic-gate 	slk->_changed = FALSE;
94*0Sstevel@tonic-gate 
95*0Sstevel@tonic-gate 	return (win ? TRUE : FALSE);
96*0Sstevel@tonic-gate }
97