/**************************************************************************** * 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 * ****************************************************************************/ /*************************************************************************** * Module m_item_vis * * Tell if menu item is visible * ***************************************************************************/ #include "menu.priv.h" MODULE_ID("$Id: m_item_vis.c,v 1.13 2003/10/25 14:54:48 tom 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 */