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/***************************************************************************
* COPYRIGHT NOTICE *
****************************************************************************
* ncurses is copyright (C) 1992-1995 *
* Zeyd M. Ben-Halim *
* zmbenhal@netcom.com *
* Eric S. Raymond *
* esr@snark.thyrsus.com *
* *
* Permission is hereby granted to reproduce and distribute ncurses *
* by any means and for any fee, whether alone or as part of a *
* larger distribution, in source or in binary form, PROVIDED *
* this notice is included with any such distribution, and is not *
* removed from any of its header files. Mention of ncurses in any *
* applications linked with it is highly appreciated. *
* *
* ncurses comes AS IS with no warranty, implied or expressed. *
* *
***************************************************************************/
/***************************************************************************
* Module menu_item_vis *
* Tell if menu item is visible *
***************************************************************************/
#include "menu.priv.h"
/*---------------------------------------------------------------------------
| 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
+--------------------------------------------------------------------------*/
bool item_visible(const ITEM * item)
{
MENU *menu;
if ( item &&
(menu=item->imenu) &&
(menu->status & _POSTED) &&
( (menu->toprow + menu->height - 1) >= (item->y) ) &&
( item->y >= menu->toprow) )
return TRUE;
else
return FALSE;
}
/* m_item_vis.c ends here */
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