1 /**************************************************************************** 2 * Copyright (c) 1998-2005,2010 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, 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 1.17 2010/01/23 21:20:10 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 T((T_CALLED("set_menu_items(%p,%p)"), (void *)menu, (void *)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 array of the menu 84 | 85 | Return Values : NULL on error 86 +--------------------------------------------------------------------------*/ 87 NCURSES_EXPORT(ITEM **) 88 menu_items(const MENU * menu) 89 { 90 T((T_CALLED("menu_items(%p)"), (const void *)menu)); 91 returnItemPtr(menu ? menu->items : (ITEM **) 0); 92 } 93 94 /*--------------------------------------------------------------------------- 95 | Facility : libnmenu 96 | Function : int item_count(const MENU *menu) 97 | 98 | Description : Get the number of items connected to the menu. If the 99 | menu pointer is NULL we return -1. 100 | 101 | Return Values : Number of items or -1 to indicate error. 102 +--------------------------------------------------------------------------*/ 103 NCURSES_EXPORT(int) 104 item_count(const MENU * menu) 105 { 106 T((T_CALLED("item_count(%p)"), (const void *)menu)); 107 returnCode(menu ? menu->nitems : -1); 108 } 109 110 /* m_items.c ends here */ 111