1/* $OpenBSD: m_item_cur.c,v 1.8 2023/10/17 09:52:10 nicm Exp $ */ 2 3/**************************************************************************** 4 * Copyright 2020,2021 Thomas E. Dickey * 5 * Copyright 1998-2004,2010 Free Software Foundation, Inc. * 6 * * 7 * Permission is hereby granted, free of charge, to any person obtaining a * 8 * copy of this software and associated documentation files (the * 9 * "Software"), to deal in the Software without restriction, including * 10 * without limitation the rights to use, copy, modify, merge, publish, * 11 * distribute, distribute with modifications, sublicense, and/or sell * 12 * copies of the Software, and to permit persons to whom the Software is * 13 * furnished to do so, subject to the following conditions: * 14 * * 15 * The above copyright notice and this permission notice shall be included * 16 * in all copies or substantial portions of the Software. * 17 * * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 25 * * 26 * Except as contained in this notice, the name(s) of the above copyright * 27 * holders shall not be used in advertising or otherwise to promote the * 28 * sale, use or other dealings in this Software without prior written * 29 * authorization. * 30 ****************************************************************************/ 31 32/**************************************************************************** 33 * Author: Juergen Pfeifer, 1995,1997 * 34 ****************************************************************************/ 35 36/*************************************************************************** 37* Module m_item_cur * 38* Set and get current menus item * 39***************************************************************************/ 40 41#include "menu.priv.h" 42 43MODULE_ID("$Id: m_item_cur.c,v 1.8 2023/10/17 09:52:10 nicm Exp $") 44 45/*--------------------------------------------------------------------------- 46| Facility : libnmenu 47| Function : int set_current_item(MENU *menu, const ITEM *item) 48| 49| Description : Make the item the current item 50| 51| Return Values : E_OK - success 52+--------------------------------------------------------------------------*/ 53MENU_EXPORT(int) 54set_current_item(MENU *menu, ITEM *item) 55{ 56 T((T_CALLED("set_current_item(%p,%p)"), (void *)menu, (void *)item)); 57 58 if (menu && item && (item->imenu == menu)) 59 { 60 if (menu->status & _IN_DRIVER) 61 RETURN(E_BAD_STATE); 62 63 assert(menu->curitem); 64 if (item != menu->curitem) 65 { 66 if (menu->status & _LINK_NEEDED) 67 { 68 /* 69 * Items are available, but they are not linked together. 70 * So we have to link here. 71 */ 72 _nc_Link_Items(menu); 73 } 74 assert(menu->pattern); 75 Reset_Pattern(menu); 76 /* adjust the window to make item visible and update the menu */ 77 Adjust_Current_Item(menu, menu->toprow, item); 78 } 79 } 80 else 81 RETURN(E_BAD_ARGUMENT); 82 83 RETURN(E_OK); 84} 85 86/*--------------------------------------------------------------------------- 87| Facility : libnmenu 88| Function : ITEM *current_item(const MENU *menu) 89| 90| Description : Return the menus current item 91| 92| Return Values : Item pointer or NULL if failure 93+--------------------------------------------------------------------------*/ 94MENU_EXPORT(ITEM *) 95current_item(const MENU *menu) 96{ 97 T((T_CALLED("current_item(%p)"), (const void *)menu)); 98 returnItem((menu && menu->items) ? menu->curitem : (ITEM *)0); 99} 100 101/*--------------------------------------------------------------------------- 102| Facility : libnmenu 103| Function : int item_index(const ITEM *) 104| 105| Description : Return the logical index of this item. 106| 107| Return Values : The index or ERR if this is an invalid item pointer 108+--------------------------------------------------------------------------*/ 109MENU_EXPORT(int) 110item_index(const ITEM *item) 111{ 112 T((T_CALLED("item_index(%p)"), (const void *)item)); 113 returnCode((item && item->imenu) ? item->index : ERR); 114} 115 116/* m_item_cur.c ends here */ 117