1/* $OpenBSD: m_item_val.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_val * 38* Set and get menus item values * 39***************************************************************************/ 40 41#include "menu.priv.h" 42 43MODULE_ID("$Id: m_item_val.c,v 1.8 2023/10/17 09:52:10 nicm Exp $") 44 45/*--------------------------------------------------------------------------- 46| Facility : libnmenu 47| Function : int set_item_value(ITEM *item, int value) 48| 49| Description : Programmatically set the item's selection value. This is 50| only allowed if the item is selectable at all and if 51| it is not connected to a single-valued menu. 52| If the item is connected to a posted menu, the menu 53| will be redisplayed. 54| 55| Return Values : E_OK - success 56| E_REQUEST_DENIED - not selectable or single valued menu 57+--------------------------------------------------------------------------*/ 58MENU_EXPORT(int) 59set_item_value(ITEM *item, bool value) 60{ 61 T((T_CALLED("set_item_value(%p,%d)"), (void *)item, value)); 62 if (item) 63 { 64 MENU *menu = item->imenu; 65 66 if ((!(item->opt & O_SELECTABLE)) || 67 (menu && (menu->opt & O_ONEVALUE))) 68 RETURN(E_REQUEST_DENIED); 69 70 if (item->value ^ value) 71 { 72 item->value = value ? TRUE : FALSE; 73 if (menu) 74 { 75 if (menu->status & _POSTED) 76 { 77 Move_And_Post_Item(menu, item); 78 _nc_Show_Menu(menu); 79 } 80 } 81 } 82 } 83 else 84 _nc_Default_Item.value = value; 85 86 RETURN(E_OK); 87} 88 89/*--------------------------------------------------------------------------- 90| Facility : libnmenu 91| Function : bool item_value(const ITEM *item) 92| 93| Description : Return the selection value of the item 94| 95| Return Values : TRUE - if item is selected 96| FALSE - if item is not selected 97+--------------------------------------------------------------------------*/ 98MENU_EXPORT(bool) 99item_value(const ITEM *item) 100{ 101 T((T_CALLED("item_value(%p)"), (const void *)item)); 102 returnBool((Normalize_Item(item)->value) ? TRUE : FALSE); 103} 104 105/* m_item_val.c ends here */ 106