m_item_vis.c revision 50276
150276Speter/**************************************************************************** 250276Speter * Copyright (c) 1998 Free Software Foundation, Inc. * 350276Speter * * 450276Speter * Permission is hereby granted, free of charge, to any person obtaining a * 550276Speter * copy of this software and associated documentation files (the * 650276Speter * "Software"), to deal in the Software without restriction, including * 750276Speter * without limitation the rights to use, copy, modify, merge, publish, * 850276Speter * distribute, distribute with modifications, sublicense, and/or sell * 950276Speter * copies of the Software, and to permit persons to whom the Software is * 1050276Speter * furnished to do so, subject to the following conditions: * 1150276Speter * * 1250276Speter * The above copyright notice and this permission notice shall be included * 1350276Speter * in all copies or substantial portions of the Software. * 1450276Speter * * 1550276Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1650276Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1750276Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1850276Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1950276Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2050276Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2150276Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2250276Speter * * 2350276Speter * Except as contained in this notice, the name(s) of the above copyright * 2450276Speter * holders shall not be used in advertising or otherwise to promote the * 2550276Speter * sale, use or other dealings in this Software without prior written * 2650276Speter * authorization. * 2750276Speter ****************************************************************************/ 2850276Speter 2950276Speter/**************************************************************************** 3050276Speter * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 3150276Speter ****************************************************************************/ 3250276Speter 3350276Speter/*************************************************************************** 3450276Speter* Module m_item_vis * 3550276Speter* Tell if menu item is visible * 3650276Speter***************************************************************************/ 3750276Speter 3850276Speter#include "menu.priv.h" 3950276Speter 4050276SpeterMODULE_ID("$Id: m_item_vis.c,v 1.10 1999/05/16 17:26:34 juergen Exp $") 4150276Speter 4250276Speter/*--------------------------------------------------------------------------- 4350276Speter| Facility : libnmenu 4450276Speter| Function : bool item_visible(const ITEM *item) 4550276Speter| 4650276Speter| Description : A item is visible if it currently appears in the 4750276Speter| subwindow of a posted menu. 4850276Speter| 4950276Speter| Return Values : TRUE if visible 5050276Speter| FALSE if invisible 5150276Speter+--------------------------------------------------------------------------*/ 5250276Speterbool item_visible(const ITEM * item) 5350276Speter{ 5450276Speter MENU *menu; 5550276Speter 5650276Speter if ( item && 5750276Speter (menu=item->imenu) && 5850276Speter (menu->status & _POSTED) && 5950276Speter ( (menu->toprow + menu->arows) > (item->y) ) && 6050276Speter ( item->y >= menu->toprow) ) 6150276Speter return TRUE; 6250276Speter else 6350276Speter return FALSE; 6450276Speter} 6550276Speter 6650276Speter/* m_item_vis.c ends here */ 67