64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/* $NetBSD: del.c,v 1.3 2015/11/02 02:45:25 kamil Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2015 Valery Ushakov
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__RCSID("$NetBSD: del.c,v 1.3 2015/11/02 02:45:25 kamil Exp $");
|
|
|
|
#include "panel_impl.h"
|
|
|
|
#include <assert.h>
|
|
#include <stdlib.h>
|
|
|
|
|
|
int
|
|
del_panel(PANEL *p)
|
|
{
|
|
|
|
if (__predict_false(p == NULL))
|
|
return ERR;
|
|
|
|
(void) hide_panel(p);
|
|
free(p);
|
|
|
|
/*
|
|
* If the last panel is removed, remove the phantom stdscr
|
|
* panel as well.
|
|
*
|
|
* A program that wants to switch to a different screen with
|
|
* set_term(3), or ends and recreates curses session with
|
|
* endwin(3)/initscr(3), must delete all panels first, since
|
|
* their windows will become invalid. When it will create its
|
|
* first new panel afterwards, it will pick up new stdscr.
|
|
*/
|
|
if (TAILQ_LAST(&_deck, deck) == &_stdscr_panel) {
|
|
(void) hide_panel(&_stdscr_panel);
|
|
assert(TAILQ_EMPTY(&_deck));
|
|
}
|
|
|
|
return OK;
|
|
}
|