new.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1997, by Sun Microsystems, Inc.
* All rights reserved.
*/
/* A panels subsystem built on curses--create a new panel */
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */
/*LINTLIBRARY*/
#include <sys/types.h>
#include <stdlib.h>
#include <curses.h>
#include "private.h"
/* add_top - Put a new or hidden panel on top of the pile */
static void
add_top(PANEL *panel)
{
if (!_Top_panel) {
panel-> below = 0;
_Bottom_panel = panel;
} else {
_Top_panel -> above = panel;
panel -> below = _Top_panel;
}
_Top_panel = panel;
panel -> above = 0;
panel -> obscured = 0;
_Panel_cnt++;
/* Determine which panels the new panel obscures */
_intersect_panel(panel);
}
/* new_panel */
PANEL *
new_panel(WINDOW *window)
{
PANEL *panel;
int lines, cols;
/* create a panel */
if (!window || !_alloc_overlap(_Panel_cnt) ||
!(panel = (PANEL *) malloc(sizeof (PANEL))))
return ((PANEL *) 0);
panel -> win = window;
getbegyx(window, panel -> wstarty, panel -> wstartx);
getmaxyx(window, lines, cols);
panel -> wendy = panel->wstarty + lines - 1;
panel -> wendx = panel->wstartx + cols - 1;
panel -> user = 0;
/* put the new panel on top of the pile */
add_top(panel);
return (panel);
}
/* show_panel */
int
show_panel(PANEL *panel)
{
/* Allocate the obscured nodes for the new panel */
if (!panel || panel != panel -> below || !_alloc_overlap(_Panel_cnt))
return (ERR);
/* put the new panel on top of the pile */
add_top(panel);
(void) touchwin(panel -> win);
return (OK);
}