xref: /onnv-gate/usr/src/lib/libeti/panel/common/new.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 /* A panels subsystem built on curses--create a new panel */
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 /* add_top - Put a new or hidden panel on top of the pile */
43*0Sstevel@tonic-gate static void
add_top(PANEL * panel)44*0Sstevel@tonic-gate add_top(PANEL *panel)
45*0Sstevel@tonic-gate {
46*0Sstevel@tonic-gate 	if (!_Top_panel) {
47*0Sstevel@tonic-gate 		panel-> below = 0;
48*0Sstevel@tonic-gate 		_Bottom_panel = panel;
49*0Sstevel@tonic-gate 	} else {
50*0Sstevel@tonic-gate 		_Top_panel -> above = panel;
51*0Sstevel@tonic-gate 		panel -> below = _Top_panel;
52*0Sstevel@tonic-gate 	}
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate 	_Top_panel = panel;
55*0Sstevel@tonic-gate 	panel -> above = 0;
56*0Sstevel@tonic-gate 	panel -> obscured = 0;
57*0Sstevel@tonic-gate 	_Panel_cnt++;
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate 	/* Determine which panels the new panel obscures */
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 	_intersect_panel(panel);
62*0Sstevel@tonic-gate }
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate /*  new_panel    */
65*0Sstevel@tonic-gate PANEL *
new_panel(WINDOW * window)66*0Sstevel@tonic-gate new_panel(WINDOW *window)
67*0Sstevel@tonic-gate {
68*0Sstevel@tonic-gate 	PANEL	*panel;
69*0Sstevel@tonic-gate 	int	lines, cols;
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 	/* create a panel */
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate 	if (!window || !_alloc_overlap(_Panel_cnt) ||
74*0Sstevel@tonic-gate 	    !(panel = (PANEL *) malloc(sizeof (PANEL))))
75*0Sstevel@tonic-gate 		return ((PANEL *) 0);
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate 	panel -> win = window;
78*0Sstevel@tonic-gate 	getbegyx(window, panel -> wstarty, panel -> wstartx);
79*0Sstevel@tonic-gate 	getmaxyx(window, lines, cols);
80*0Sstevel@tonic-gate 	panel -> wendy = panel->wstarty + lines - 1;
81*0Sstevel@tonic-gate 	panel -> wendx = panel->wstartx + cols - 1;
82*0Sstevel@tonic-gate 	panel -> user = 0;
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate 	/* put the new panel on top of the pile */
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate 	add_top(panel);
87*0Sstevel@tonic-gate 	return (panel);
88*0Sstevel@tonic-gate }
89*0Sstevel@tonic-gate 
90*0Sstevel@tonic-gate /*  show_panel    */
91*0Sstevel@tonic-gate int
show_panel(PANEL * panel)92*0Sstevel@tonic-gate show_panel(PANEL *panel)
93*0Sstevel@tonic-gate {
94*0Sstevel@tonic-gate 	/* Allocate the obscured nodes for the new panel */
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate 	if (!panel || panel != panel -> below || !_alloc_overlap(_Panel_cnt))
97*0Sstevel@tonic-gate 		return (ERR);
98*0Sstevel@tonic-gate 
99*0Sstevel@tonic-gate 	/* put the new panel on top of the pile */
100*0Sstevel@tonic-gate 
101*0Sstevel@tonic-gate 	add_top(panel);
102*0Sstevel@tonic-gate 	(void) touchwin(panel -> win);
103*0Sstevel@tonic-gate 	return (OK);
104*0Sstevel@tonic-gate }
105