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Aminet 52
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Aminet 52 (2002)(GTI - Schatztruhe)[!][Dec 2002].iso
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m_item_vis.c
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2002-10-24
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/****************************************************************************
* Copyright (c) 1998,2000 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 *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* 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 *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer, 1995,1997 *
* Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en *
****************************************************************************/
/***************************************************************************
* Module m_item_vis *
* Tell if menu item is visible *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("$Id: m_item_vis.c,v 1.12 2002/07/06 15:22:16 juergen Exp $")
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : bool item_visible(const ITEM *item)
|
| Description : A item is visible if it currently appears in the
| subwindow of a posted menu.
|
| Return Values : TRUE if visible
| FALSE if invisible
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(bool)
item_visible (const ITEM * item)
{
MENU *menu;
if ( item &&
(menu=item->imenu) &&
(menu->status & _POSTED) &&
( (menu->toprow + menu->arows) > (item->y) ) &&
( item->y >= menu->toprow) )
return TRUE;
else
return FALSE;
}
/* m_item_vis.c ends here */