151 lines
5.9 KiB
C
151 lines
5.9 KiB
C
/****************************************************************************
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* Copyright (c) 1998,2000 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
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****************************************************************************/
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/***************************************************************************
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* Module m_item_opt *
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* Menus item option routines *
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***************************************************************************/
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#include "menu.priv.h"
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MODULE_ID("$Id: m_item_opt.c,v 1.11 2000/12/10 02:16:48 tom Exp $")
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_item_opts(ITEM *item, Item_Options opts)
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| Description : Set the options of the item. If there are relevant
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| changes, the item is connected and the menu is posted,
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| the menu will be redisplayed.
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| Return Values : E_OK - success
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| E_BAD_ARGUMENT - invalid item options
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+--------------------------------------------------------------------------*/
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NCURSES_EXPORT(int)
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set_item_opts (ITEM *item, Item_Options opts)
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{
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opts &= ALL_ITEM_OPTS;
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if (opts & ~ALL_ITEM_OPTS)
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RETURN(E_BAD_ARGUMENT);
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if (item)
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{
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if (item->opt != opts)
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{
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MENU *menu = item->imenu;
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item->opt = opts;
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if ((!(opts & O_SELECTABLE)) && item->value)
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item->value = FALSE;
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if (menu && (menu->status & _POSTED))
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{
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Move_And_Post_Item( menu, item );
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_nc_Show_Menu(menu);
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}
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}
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}
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else
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_nc_Default_Item.opt = opts;
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RETURN(E_OK);
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int item_opts_off(ITEM *item, Item_Options opts)
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| Description : Switch of the options for this item.
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| Return Values : E_OK - success
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| E_BAD_ARGUMENT - invalid options
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+--------------------------------------------------------------------------*/
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NCURSES_EXPORT(int)
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item_opts_off (ITEM *item, Item_Options opts)
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{
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ITEM *citem = item; /* use a copy because set_item_opts must detect
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NULL item itself to adjust its behaviour */
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if (opts & ~ALL_ITEM_OPTS)
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RETURN(E_BAD_ARGUMENT);
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else
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{
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Normalize_Item(citem);
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opts = citem->opt & ~(opts & ALL_ITEM_OPTS);
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return set_item_opts( item, opts );
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}
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int item_opts_on(ITEM *item, Item_Options opts)
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| Description : Switch on the options for this item.
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| Return Values : E_OK - success
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| E_BAD_ARGUMENT - invalid options
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+--------------------------------------------------------------------------*/
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NCURSES_EXPORT(int)
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item_opts_on (ITEM *item, Item_Options opts)
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{
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ITEM *citem = item; /* use a copy because set_item_opts must detect
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NULL item itself to adjust its behaviour */
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opts &= ALL_ITEM_OPTS;
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if (opts & ~ALL_ITEM_OPTS)
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RETURN(E_BAD_ARGUMENT);
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else
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{
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Normalize_Item(citem);
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opts = citem->opt | opts;
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return set_item_opts( item, opts );
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}
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : Item_Options item_opts(const ITEM *item)
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| Description : Switch of the options for this item.
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| Return Values : Items options
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+--------------------------------------------------------------------------*/
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NCURSES_EXPORT(Item_Options)
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item_opts (const ITEM * item)
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{
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return (ALL_ITEM_OPTS & Normalize_Item(item)->opt);
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}
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/* m_item_opt.c ends here */
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