1/**************************************************************************** 2 * Copyright (c) 1998-2004,2010 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_item_opt * 35* Menus item option routines * 36***************************************************************************/ 37 38#include "menu.priv.h" 39 40MODULE_ID("$Id: m_item_opt.c,v 1.18 2010/01/23 21:20:10 tom Exp $") 41 42/*--------------------------------------------------------------------------- 43| Facility : libnmenu 44| Function : int set_item_opts(ITEM *item, Item_Options opts) 45| 46| Description : Set the options of the item. If there are relevant 47| changes, the item is connected and the menu is posted, 48| the menu will be redisplayed. 49| 50| Return Values : E_OK - success 51| E_BAD_ARGUMENT - invalid item options 52+--------------------------------------------------------------------------*/ 53NCURSES_EXPORT(int) 54set_item_opts(ITEM * item, Item_Options opts) 55{ 56 T((T_CALLED("set_menu_opts(%p,%d)"), (void *)item, opts)); 57 58 opts &= ALL_ITEM_OPTS; 59 60 if (opts & ~ALL_ITEM_OPTS) 61 RETURN(E_BAD_ARGUMENT); 62 63 if (item) 64 { 65 if (item->opt != opts) 66 { 67 MENU *menu = item->imenu; 68 69 item->opt = opts; 70 71 if ((!(opts & O_SELECTABLE)) && item->value) 72 item->value = FALSE; 73 74 if (menu && (menu->status & _POSTED)) 75 { 76 Move_And_Post_Item(menu, item); 77 _nc_Show_Menu(menu); 78 } 79 } 80 } 81 else 82 _nc_Default_Item.opt = opts; 83 84 RETURN(E_OK); 85} 86 87/*--------------------------------------------------------------------------- 88| Facility : libnmenu 89| Function : int item_opts_off(ITEM *item, Item_Options opts) 90| 91| Description : Switch of the options for this item. 92| 93| Return Values : E_OK - success 94| E_BAD_ARGUMENT - invalid options 95+--------------------------------------------------------------------------*/ 96NCURSES_EXPORT(int) 97item_opts_off(ITEM * item, Item_Options opts) 98{ 99 ITEM *citem = item; /* use a copy because set_item_opts must detect 100 101 NULL item itself to adjust its behavior */ 102 103 T((T_CALLED("item_opts_off(%p,%d)"), (void *)item, opts)); 104 105 if (opts & ~ALL_ITEM_OPTS) 106 RETURN(E_BAD_ARGUMENT); 107 else 108 { 109 Normalize_Item(citem); 110 opts = citem->opt & ~(opts & ALL_ITEM_OPTS); 111 returnCode(set_item_opts(item, opts)); 112 } 113} 114 115/*--------------------------------------------------------------------------- 116| Facility : libnmenu 117| Function : int item_opts_on(ITEM *item, Item_Options opts) 118| 119| Description : Switch on the options for this item. 120| 121| Return Values : E_OK - success 122| E_BAD_ARGUMENT - invalid options 123+--------------------------------------------------------------------------*/ 124NCURSES_EXPORT(int) 125item_opts_on(ITEM * item, Item_Options opts) 126{ 127 ITEM *citem = item; /* use a copy because set_item_opts must detect 128 129 NULL item itself to adjust its behavior */ 130 131 T((T_CALLED("item_opts_on(%p,%d)"), (void *)item, opts)); 132 133 opts &= ALL_ITEM_OPTS; 134 if (opts & ~ALL_ITEM_OPTS) 135 RETURN(E_BAD_ARGUMENT); 136 else 137 { 138 Normalize_Item(citem); 139 opts = citem->opt | opts; 140 returnCode(set_item_opts(item, opts)); 141 } 142} 143 144/*--------------------------------------------------------------------------- 145| Facility : libnmenu 146| Function : Item_Options item_opts(const ITEM *item) 147| 148| Description : Switch of the options for this item. 149| 150| Return Values : Items options 151+--------------------------------------------------------------------------*/ 152NCURSES_EXPORT(Item_Options) 153item_opts(const ITEM * item) 154{ 155 T((T_CALLED("item_opts(%p)"), (const void *)item)); 156 returnItemOpts(ALL_ITEM_OPTS & Normalize_Item(item)->opt); 157} 158 159/* m_item_opt.c ends here */ 160