1 /* $OpenBSD: m_items.c,v 1.6 2001/01/22 18:02:05 millert Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998,2000 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 33 ****************************************************************************/ 34 35 /*************************************************************************** 36 * Module m_items * 37 * Connect and disconnect items to and from menus * 38 ***************************************************************************/ 39 40 #include "menu.priv.h" 41 42 MODULE_ID("$From: m_items.c,v 1.9 2000/12/10 02:16:48 tom Exp $") 43 44 /*--------------------------------------------------------------------------- 45 | Facility : libnmenu 46 | Function : int set_menu_items(MENU *menu, ITEM **items) 47 | 48 | Description : Sets the item pointer array connected to menu. 49 | 50 | Return Values : E_OK - success 51 | E_POSTED - menu is already posted 52 | E_CONNECTED - one or more items are already connected 53 | to another menu. 54 | E_BAD_ARGUMENT - An incorrect menu or item array was 55 | passed to the function 56 +--------------------------------------------------------------------------*/ 57 NCURSES_EXPORT(int) 58 set_menu_items (MENU * menu, ITEM ** items) 59 { 60 if (!menu || (items && !(*items))) 61 RETURN(E_BAD_ARGUMENT); 62 63 if ( menu->status & _POSTED ) 64 RETURN(E_POSTED); 65 66 if (menu->items) 67 _nc_Disconnect_Items(menu); 68 69 if (items) 70 { 71 if(!_nc_Connect_Items( menu, items )) 72 RETURN(E_CONNECTED); 73 } 74 75 menu->items = items; 76 RETURN(E_OK); 77 } 78 79 /*--------------------------------------------------------------------------- 80 | Facility : libnmenu 81 | Function : ITEM **menu_items(const MENU *menu) 82 | 83 | Description : Returns a pointer to the item pointer arry of the menu 84 | 85 | Return Values : NULL on error 86 +--------------------------------------------------------------------------*/ 87 NCURSES_EXPORT(ITEM **) 88 menu_items (const MENU *menu) 89 { 90 return(menu ? menu->items : (ITEM **)0); 91 } 92 93 /*--------------------------------------------------------------------------- 94 | Facility : libnmenu 95 | Function : int item_count(const MENU *menu) 96 | 97 | Description : Get the number of items connected to the menu. If the 98 | menu pointer is NULL we return -1. 99 | 100 | Return Values : Number of items or -1 to indicate error. 101 +--------------------------------------------------------------------------*/ 102 NCURSES_EXPORT(int) 103 item_count (const MENU *menu) 104 { 105 return(menu ? menu->nitems : -1); 106 } 107 108 /* m_items.c ends here */ 109