m_items.c revision 166124
161914Scokane/**************************************************************************** 261914Scokane * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. * 361914Scokane * * 461914Scokane * Permission is hereby granted, free of charge, to any person obtaining a * 561914Scokane * copy of this software and associated documentation files (the * 661914Scokane * "Software"), to deal in the Software without restriction, including * 761914Scokane * without limitation the rights to use, copy, modify, merge, publish, * 861914Scokane * distribute, distribute with modifications, sublicense, and/or sell * 961914Scokane * copies of the Software, and to permit persons to whom the Software is * 1061914Scokane * furnished to do so, subject to the following conditions: * 1161914Scokane * * 1261914Scokane * The above copyright notice and this permission notice shall be included * 1361914Scokane * in all copies or substantial portions of the Software. * 1461914Scokane * * 1561914Scokane * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1661914Scokane * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1761914Scokane * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1861914Scokane * 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 40MODULE_ID("$Id: m_items.c,v 1.16 2005/01/16 01:02:23 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 T((T_CALLED("set_menu_items(%p,%p)"), menu, 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+--------------------------------------------------------------------------*/ 87NCURSES_EXPORT(ITEM **) 88menu_items(const MENU * menu) 89{ 90 T((T_CALLED("menu_items(%p)"), 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+--------------------------------------------------------------------------*/ 103NCURSES_EXPORT(int) 104item_count(const MENU * menu) 105{ 106 T((T_CALLED("item_count(%p)"), menu)); 107 returnCode(menu ? menu->nitems : -1); 108} 109 110/* m_items.c ends here */ 111