93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/* $NetBSD: panel_impl.h,v 1.2 2015/11/02 01:06:15 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.
|
|
*/
|
|
|
|
#ifndef _PANEL_IMPL_H_
|
|
#define _PANEL_IMPL_H_
|
|
|
|
#include "panel.h"
|
|
|
|
#include <sys/queue.h>
|
|
|
|
#define DECK_HEAD(head) TAILQ_HEAD(head, __panel)
|
|
#define DECK_ENTRY TAILQ_ENTRY(__panel)
|
|
|
|
|
|
/*
|
|
* Panels are just curses windows with Z-order added.
|
|
* See update_panels() for details.
|
|
*/
|
|
struct __panel {
|
|
WINDOW *win;
|
|
char *user;
|
|
DECK_ENTRY zorder;
|
|
};
|
|
|
|
|
|
/* Deck of panels in Z-order from bottom to top. */
|
|
DECK_HEAD(deck);
|
|
extern struct deck _deck __dso_hidden;
|
|
|
|
/* Fake stdscr panel at the bottom, not user visible */
|
|
extern PANEL _stdscr_panel __dso_hidden;
|
|
|
|
|
|
/*
|
|
* Hidden panels are not in the deck. <sys/queue.h> macros don't have
|
|
* a concept of an entry not on the list, so provide a kludge that
|
|
* digs into internals.
|
|
*/
|
|
#define TAILQ_REMOVE_NP(head, elm, field) do { \
|
|
TAILQ_REMOVE((head), (elm), field); \
|
|
(elm)->field.tqe_next = NULL; \
|
|
(elm)->field.tqe_prev = NULL; \
|
|
} while (/*CONSTCOND*/ 0)
|
|
|
|
#define TAILQ_LINKED_NP(elm, field) \
|
|
(((elm)->field.tqe_prev) != NULL)
|
|
|
|
|
|
#define DECK_INSERT_TOP(p) do { \
|
|
TAILQ_INSERT_TAIL(&_deck, (p), zorder); \
|
|
} while (/*CONSTCOND*/ 0)
|
|
|
|
#define DECK_INSERT_BOTTOM(p) do { \
|
|
TAILQ_INSERT_AFTER(&_deck, &_stdscr_panel, (p), zorder); \
|
|
} while (/*CONSTCOND*/ 0)
|
|
|
|
#define DECK_REMOVE(p) do { \
|
|
TAILQ_REMOVE_NP(&_deck, (p), zorder); \
|
|
} while (/*CONSTCOND*/ 0)
|
|
|
|
|
|
#define PANEL_ABOVE(p) (TAILQ_NEXT((p), zorder))
|
|
#define PANEL_BELOW(p) (TAILQ_PREV((p), deck, zorder))
|
|
#define PANEL_HIDDEN(p) (!TAILQ_LINKED_NP((p), zorder))
|
|
|
|
#define FOREACH_PANEL(var) TAILQ_FOREACH(var, &_deck, zorder)
|
|
|
|
#endif /* _PANEL_IMPL_H_ */
|