m_items.c revision 76726
1/**************************************************************************** 2 * Copyright (c) 1998,2000 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29/**************************************************************************** 30 * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 31 ****************************************************************************/ 32 33/*************************************************************************** 34* Module m_items * 35* Connect and disconnect items to and from menus * 36***************************************************************************/ 37 38#include "menu.priv.h" 39 40MODULE_ID("$Id: m_items.c,v 1.9 2000/12/10 02:16:48 tom Exp $") 41 42/*--------------------------------------------------------------------------- 43| Facility : libnmenu 44| Function : int set_menu_items(MENU *menu, ITEM **items) 45| 46| Description : Sets the item pointer array connected to menu. 47| 48| Return Values : E_OK - success 49| E_POSTED - menu is already posted 50| E_CONNECTED - one or more items are already connected 51| to another menu. 52| E_BAD_ARGUMENT - An incorrect menu or item array was 53| passed to the function 54+--------------------------------------------------------------------------*/ 55NCURSES_EXPORT(int) 56set_menu_items (MENU * menu, ITEM ** items) 57{ 58 if (!menu || (items && !(*items))) 59 RETURN(E_BAD_ARGUMENT); 60 61 if ( menu->status & _POSTED ) 62 RETURN(E_POSTED); 63 64 if (menu->items) 65 _nc_Disconnect_Items(menu); 66 67 if (items) 68 { 69 if(!_nc_Connect_Items( menu, items )) 70 RETURN(E_CONNECTED); 71 } 72 73 menu->items = items; 74 RETURN(E_OK); 75} 76 77/*--------------------------------------------------------------------------- 78| Facility : libnmenu 79| Function : ITEM **menu_items(const MENU *menu) 80| 81| Description : Returns a pointer to the item pointer arry of the menu 82| 83| Return Values : NULL on error 84+--------------------------------------------------------------------------*/ 85NCURSES_EXPORT(ITEM **) 86menu_items (const MENU *menu) 87{ 88 return(menu ? menu->items : (ITEM **)0); 89} 90 91/*--------------------------------------------------------------------------- 92| Facility : libnmenu 93| Function : int item_count(const MENU *menu) 94| 95| Description : Get the number of items connected to the menu. If the 96| menu pointer is NULL we return -1. 97| 98| Return Values : Number of items or -1 to indicate error. 99+--------------------------------------------------------------------------*/ 100NCURSES_EXPORT(int) 101item_count (const MENU *menu) 102{ 103 return(menu ? menu->nitems : -1); 104} 105 106/* m_items.c ends here */ 107