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--Delete panel routines */
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 <stdlib.h>
39*0Sstevel@tonic-gate #include <curses.h>
40*0Sstevel@tonic-gate #include "private.h"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate /* hide_panel - Unlink a panel from the pile and remove it from the screen. */
43*0Sstevel@tonic-gate int
hide_panel(PANEL * panel)44*0Sstevel@tonic-gate hide_panel(PANEL *panel)
45*0Sstevel@tonic-gate {
46*0Sstevel@tonic-gate if (!panel)
47*0Sstevel@tonic-gate return (ERR);
48*0Sstevel@tonic-gate
49*0Sstevel@tonic-gate /* It is ok to hide a panel that is already hidden. */
50*0Sstevel@tonic-gate
51*0Sstevel@tonic-gate if (panel == panel -> below)
52*0Sstevel@tonic-gate return (OK);
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate /* unlink panel */
55*0Sstevel@tonic-gate
56*0Sstevel@tonic-gate _remove_overlap(panel);
57*0Sstevel@tonic-gate if (panel == _Bottom_panel)
58*0Sstevel@tonic-gate _Bottom_panel = panel -> above;
59*0Sstevel@tonic-gate else
60*0Sstevel@tonic-gate panel -> below -> above = panel -> above;
61*0Sstevel@tonic-gate
62*0Sstevel@tonic-gate if (panel == _Top_panel)
63*0Sstevel@tonic-gate _Top_panel = panel -> below;
64*0Sstevel@tonic-gate else
65*0Sstevel@tonic-gate panel -> above -> below = panel -> below;
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gate _Panel_cnt--;
68*0Sstevel@tonic-gate panel -> below = panel;
69*0Sstevel@tonic-gate return (OK);
70*0Sstevel@tonic-gate }
71*0Sstevel@tonic-gate
72*0Sstevel@tonic-gate /*
73*0Sstevel@tonic-gate * del_panel - Delete a panel from the pile
74*0Sstevel@tonic-gate * and free all memory associated with it.
75*0Sstevel@tonic-gate */
76*0Sstevel@tonic-gate int
del_panel(PANEL * panel)77*0Sstevel@tonic-gate del_panel(PANEL *panel)
78*0Sstevel@tonic-gate {
79*0Sstevel@tonic-gate return ((hide_panel(panel) == OK) ? free(panel), OK : ERR);
80*0Sstevel@tonic-gate }
81*0Sstevel@tonic-gate
82*0Sstevel@tonic-gate /*
83*0Sstevel@tonic-gate * _remove_overlap
84*0Sstevel@tonic-gate * Remove all references to a panel from the obscured lists of all panels.
85*0Sstevel@tonic-gate * Also remove all obscured nodes from the given panel. This routine
86*0Sstevel@tonic-gate * touches the appropriate places to ensure that everybody is properly
87*0Sstevel@tonic-gate * updated.
88*0Sstevel@tonic-gate */
89*0Sstevel@tonic-gate void
_remove_overlap(PANEL * panel)90*0Sstevel@tonic-gate _remove_overlap(PANEL *panel)
91*0Sstevel@tonic-gate {
92*0Sstevel@tonic-gate PANEL *pnl;
93*0Sstevel@tonic-gate _obscured_list *obs;
94*0Sstevel@tonic-gate _obscured_list *prev_obs;
95*0Sstevel@tonic-gate
96*0Sstevel@tonic-gate /* Make sure that the background gets updated */
97*0Sstevel@tonic-gate
98*0Sstevel@tonic-gate (void) touchline(stdscr, panel->wstarty,
99*0Sstevel@tonic-gate panel->wendy - panel->wstarty + 1);
100*0Sstevel@tonic-gate
101*0Sstevel@tonic-gate /* Remove all references to the panel from the remaining panels */
102*0Sstevel@tonic-gate
103*0Sstevel@tonic-gate for (pnl = _Bottom_panel; pnl != panel; pnl = pnl->above) {
104*0Sstevel@tonic-gate if (obs = _unlink_obs(pnl, panel))
105*0Sstevel@tonic-gate _free_overlap(obs);
106*0Sstevel@tonic-gate }
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate /* delete the obscured list from the panel */
109*0Sstevel@tonic-gate
110*0Sstevel@tonic-gate if ((obs = panel -> obscured) != 0) {
111*0Sstevel@tonic-gate do {
112*0Sstevel@tonic-gate prev_obs = obs;
113*0Sstevel@tonic-gate obs = obs -> next;
114*0Sstevel@tonic-gate _free_overlap(prev_obs);
115*0Sstevel@tonic-gate }
116*0Sstevel@tonic-gate while (obs != panel -> obscured);
117*0Sstevel@tonic-gate panel -> obscured = 0;
118*0Sstevel@tonic-gate }
119*0Sstevel@tonic-gate }
120