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 40 MODULE_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 +--------------------------------------------------------------------------*/ 55 NCURSES_EXPORT(int) 56 set_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 +--------------------------------------------------------------------------*/ 85 NCURSES_EXPORT(ITEM **) 86 menu_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 +--------------------------------------------------------------------------*/ 100 NCURSES_EXPORT(int) 101 item_count (const MENU *menu) 102 { 103 return(menu ? menu->nitems : -1); 104 } 105 106 /* m_items.c ends here */ 107