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 /* A panels subsystem built on curses--Move a panel to the top */
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.3	*/
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate /*LINTLIBRARY*/
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate #include <sys/types.h>
38*0Sstevel@tonic-gate #include <curses.h>
39*0Sstevel@tonic-gate #include "private.h"
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate /*  top_panel    */
42*0Sstevel@tonic-gate int
43*0Sstevel@tonic-gate top_panel(PANEL *panel)
44*0Sstevel@tonic-gate {
45*0Sstevel@tonic-gate 	_obscured_list	*obs;
46*0Sstevel@tonic-gate 	_obscured_list	*prev_obs, *tmp;
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate 	if (!panel || panel == panel -> below)
49*0Sstevel@tonic-gate 		return (ERR);
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate 	/* If the panel is already on top, there is nothing to do */
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate 	if (_Top_panel == panel)
54*0Sstevel@tonic-gate 		return (OK);
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate 	/*
57*0Sstevel@tonic-gate 	 * All the panels that used to obscure this panel are
58*0Sstevel@tonic-gate 	 * now obscured by this panel.
59*0Sstevel@tonic-gate 	 */
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 	if ((obs = panel -> obscured) != 0) {
62*0Sstevel@tonic-gate 		do {
63*0Sstevel@tonic-gate 			prev_obs = obs;
64*0Sstevel@tonic-gate 			obs = obs -> next;
65*0Sstevel@tonic-gate 			if ((tmp = prev_obs -> panel_p -> obscured) != 0) {
66*0Sstevel@tonic-gate 				prev_obs->next = tmp->next;
67*0Sstevel@tonic-gate 				tmp->next = prev_obs;
68*0Sstevel@tonic-gate 			} else
69*0Sstevel@tonic-gate 				prev_obs->next =
70*0Sstevel@tonic-gate 				    prev_obs->panel_p->obscured = prev_obs;
71*0Sstevel@tonic-gate 			prev_obs -> panel_p = panel;
72*0Sstevel@tonic-gate 		}
73*0Sstevel@tonic-gate 		while (obs != panel -> obscured);
74*0Sstevel@tonic-gate 		panel -> obscured = 0;
75*0Sstevel@tonic-gate 	}
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate 	/* Move the panel to the top */
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate 	if (panel == _Bottom_panel)
80*0Sstevel@tonic-gate 		(_Bottom_panel = panel -> above) -> below = 0;
81*0Sstevel@tonic-gate 	else {
82*0Sstevel@tonic-gate 		panel -> above -> below = panel -> below;
83*0Sstevel@tonic-gate 		panel -> below -> above = panel -> above;
84*0Sstevel@tonic-gate 	}
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate 	panel -> above = 0;
87*0Sstevel@tonic-gate 	panel -> below = _Top_panel;
88*0Sstevel@tonic-gate 	_Top_panel = _Top_panel -> above = panel;
89*0Sstevel@tonic-gate 	(void) touchwin(panel -> win);
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate 	return (OK);
92*0Sstevel@tonic-gate }
93