1 /*-----------------------------------------------------------------------------+
2 | The ncurses menu library is Copyright (C) 1995-1997 |
3 | by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
4 | All Rights Reserved. |
6 | Permission to use, copy, modify, and distribute this software and its |
7 | documentation for any purpose and without fee is hereby granted, provided |
8 | that the above copyright notice appear in all copies and that both that |
9 | copyright notice and this permission notice appear in supporting |
10 | documentation, and that the name of the above listed copyright holder(s) not |
11 | be used in advertising or publicity pertaining to distribution of the |
12 | software without specific, written prior permission. |
14 | THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
15 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
16 | NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
17 | ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
18 | SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
19 | NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
20 | THE USE OR PERFORMANCE OF THIS SOFTWARE. |
21 +-----------------------------------------------------------------------------*/
23 /***************************************************************************
24 * Module menu_item_vis *
25 * Tell if menu item is visible *
26 ***************************************************************************/
28 #include "menu.priv.h"
30 MODULE_ID("$Id: m_item_vis.c,v 1.6 1997/05/01 16:47:26 juergen Exp $")
32 /*---------------------------------------------------------------------------
34 | Function : bool item_visible(const ITEM *item)
36 | Description : A item is visible if it currently appears in the
37 | subwindow of a posted menu.
39 | Return Values : TRUE if visible
41 +--------------------------------------------------------------------------*/
42 bool item_visible(const ITEM * item)
48 (menu->status & _POSTED) &&
49 ( (menu->toprow + menu->arows) > (item->y) ) &&
50 ( item->y >= menu->toprow) )
56 /* m_item_vis.c ends here */