m_item_opt.c revision 76726
150276Speter/**************************************************************************** 276726Speter * Copyright (c) 1998,2000 Free Software Foundation, Inc. * 350276Speter * * 450276Speter * Permission is hereby granted, free of charge, to any person obtaining a * 550276Speter * copy of this software and associated documentation files (the * 650276Speter * "Software"), to deal in the Software without restriction, including * 750276Speter * without limitation the rights to use, copy, modify, merge, publish, * 850276Speter * distribute, distribute with modifications, sublicense, and/or sell * 950276Speter * copies of the Software, and to permit persons to whom the Software is * 1050276Speter * furnished to do so, subject to the following conditions: * 1150276Speter * * 1250276Speter * The above copyright notice and this permission notice shall be included * 1350276Speter * in all copies or substantial portions of the Software. * 1450276Speter * * 1550276Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1650276Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1750276Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1850276Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1950276Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2050276Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2150276Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2250276Speter * * 2350276Speter * Except as contained in this notice, the name(s) of the above copyright * 2450276Speter * holders shall not be used in advertising or otherwise to promote the * 2550276Speter * sale, use or other dealings in this Software without prior written * 2650276Speter * authorization. * 2750276Speter ****************************************************************************/ 2850276Speter 2950276Speter/**************************************************************************** 3050276Speter * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 3150276Speter ****************************************************************************/ 3250276Speter 3350276Speter/*************************************************************************** 3450276Speter* Module m_item_opt * 3550276Speter* Menus item option routines * 3650276Speter***************************************************************************/ 3750276Speter 3850276Speter#include "menu.priv.h" 3950276Speter 4076726SpeterMODULE_ID("$Id: m_item_opt.c,v 1.11 2000/12/10 02:16:48 tom Exp $") 4150276Speter 4250276Speter/*--------------------------------------------------------------------------- 4350276Speter| Facility : libnmenu 4450276Speter| Function : int set_item_opts(ITEM *item, Item_Options opts) 4550276Speter| 4650276Speter| Description : Set the options of the item. If there are relevant 4750276Speter| changes, the item is connected and the menu is posted, 4850276Speter| the menu will be redisplayed. 4950276Speter| 5050276Speter| Return Values : E_OK - success 5150276Speter| E_BAD_ARGUMENT - invalid item options 5250276Speter+--------------------------------------------------------------------------*/ 5376726SpeterNCURSES_EXPORT(int) 5476726Speterset_item_opts (ITEM *item, Item_Options opts) 5550276Speter{ 5650276Speter opts &= ALL_ITEM_OPTS; 5750276Speter 5850276Speter if (opts & ~ALL_ITEM_OPTS) 5950276Speter RETURN(E_BAD_ARGUMENT); 6050276Speter 6150276Speter if (item) 6250276Speter { 6350276Speter if (item->opt != opts) 6450276Speter { 6550276Speter MENU *menu = item->imenu; 6650276Speter 6750276Speter item->opt = opts; 6850276Speter 6950276Speter if ((!(opts & O_SELECTABLE)) && item->value) 7050276Speter item->value = FALSE; 7150276Speter 7250276Speter if (menu && (menu->status & _POSTED)) 7350276Speter { 7450276Speter Move_And_Post_Item( menu, item ); 7550276Speter _nc_Show_Menu(menu); 7650276Speter } 7750276Speter } 7850276Speter } 7950276Speter else 8050276Speter _nc_Default_Item.opt = opts; 8150276Speter 8250276Speter RETURN(E_OK); 8350276Speter} 8450276Speter 8550276Speter/*--------------------------------------------------------------------------- 8650276Speter| Facility : libnmenu 8750276Speter| Function : int item_opts_off(ITEM *item, Item_Options opts) 8850276Speter| 8950276Speter| Description : Switch of the options for this item. 9050276Speter| 9150276Speter| Return Values : E_OK - success 9250276Speter| E_BAD_ARGUMENT - invalid options 9350276Speter+--------------------------------------------------------------------------*/ 9476726SpeterNCURSES_EXPORT(int) 9576726Speteritem_opts_off (ITEM *item, Item_Options opts) 9650276Speter{ 9750276Speter ITEM *citem = item; /* use a copy because set_item_opts must detect 9850276Speter NULL item itself to adjust its behaviour */ 9950276Speter 10050276Speter if (opts & ~ALL_ITEM_OPTS) 10150276Speter RETURN(E_BAD_ARGUMENT); 10250276Speter else 10350276Speter { 10450276Speter Normalize_Item(citem); 10550276Speter opts = citem->opt & ~(opts & ALL_ITEM_OPTS); 10650276Speter return set_item_opts( item, opts ); 10750276Speter } 10850276Speter} 10950276Speter 11050276Speter/*--------------------------------------------------------------------------- 11150276Speter| Facility : libnmenu 11250276Speter| Function : int item_opts_on(ITEM *item, Item_Options opts) 11350276Speter| 11450276Speter| Description : Switch on the options for this item. 11550276Speter| 11650276Speter| Return Values : E_OK - success 11750276Speter| E_BAD_ARGUMENT - invalid options 11850276Speter+--------------------------------------------------------------------------*/ 11976726SpeterNCURSES_EXPORT(int) 12076726Speteritem_opts_on (ITEM *item, Item_Options opts) 12150276Speter{ 12250276Speter ITEM *citem = item; /* use a copy because set_item_opts must detect 12350276Speter NULL item itself to adjust its behaviour */ 12450276Speter 12550276Speter opts &= ALL_ITEM_OPTS; 12650276Speter if (opts & ~ALL_ITEM_OPTS) 12750276Speter RETURN(E_BAD_ARGUMENT); 12850276Speter else 12950276Speter { 13050276Speter Normalize_Item(citem); 13150276Speter opts = citem->opt | opts; 13250276Speter return set_item_opts( item, opts ); 13350276Speter } 13450276Speter} 13550276Speter 13650276Speter/*--------------------------------------------------------------------------- 13750276Speter| Facility : libnmenu 13850276Speter| Function : Item_Options item_opts(const ITEM *item) 13950276Speter| 14050276Speter| Description : Switch of the options for this item. 14150276Speter| 14250276Speter| Return Values : Items options 14350276Speter+--------------------------------------------------------------------------*/ 14476726SpeterNCURSES_EXPORT(Item_Options) 14576726Speteritem_opts (const ITEM * item) 14650276Speter{ 14750276Speter return (ALL_ITEM_OPTS & Normalize_Item(item)->opt); 14850276Speter} 14950276Speter 15050276Speter/* m_item_opt.c ends here */ 151