freebsd-skq/contrib/ncurses/panel/p_above.c
Baptiste Daroussin e18651243e Update to 6.2-20200215
While I didn't plan another upgrade, This version incorporate fixes from
kevans@ so let's upgrade to it
2020-02-19 17:09:08 +00:00

86 lines
3.6 KiB
C

/****************************************************************************
* Copyright 2020 Thomas E. Dickey *
* Copyright 1998-2010,2012 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
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* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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****************************************************************************/
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
* and: Juergen Pfeifer 1997-1999,2008 *
****************************************************************************/
/* p_above.c
*/
#include "panel.priv.h"
MODULE_ID("$Id: p_above.c,v 1.10 2020/02/02 23:34:34 tom Exp $")
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(PANEL *)
ground_panel(SCREEN * sp)
{
T((T_CALLED("ground_panel(%p)"), (void *)sp));
if (sp)
{
struct panelhook *ph = NCURSES_SP_NAME(_nc_panelhook) (sp);
if (_nc_bottom_panel) /* this is the pseudo panel */
returnPanel(_nc_bottom_panel->above);
else
returnPanel(0);
}
else
{
if (0 == CURRENT_SCREEN)
returnPanel(0);
else
returnPanel(ground_panel(CURRENT_SCREEN));
}
}
#endif
NCURSES_EXPORT(PANEL *)
panel_above(const PANEL * pan)
{
PANEL *result;
T((T_CALLED("panel_above(%p)"), (const void *)pan));
if (pan)
result = pan->above;
else
{
#if NCURSES_SP_FUNCS
result = ground_panel(CURRENT_SCREEN);
#else
/* if top and bottom are equal, we have no or only the pseudo panel;
if not, we return the panel above the pseudo panel */
result = EMPTY_STACK()? (PANEL *) 0 : _nc_bottom_panel->above;
#endif
}
returnPanel(result);
}