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/* $OpenBSD: m_item_opt.c,v 1.8 2001/01/22 18:02:04 millert Exp $ */
/****************************************************************************
* Copyright (c) 1998,2000 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
****************************************************************************/
/***************************************************************************
* Module m_item_opt *
* Menus item option routines *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("$From: m_item_opt.c,v 1.11 2000/12/10 02:16:48 tom Exp $")
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_item_opts(ITEM *item, Item_Options opts)
|
| Description : Set the options of the item. If there are relevant
| changes, the item is connected and the menu is posted,
| the menu will be redisplayed.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid item options
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
set_item_opts (ITEM *item, Item_Options opts)
{
opts &= ALL_ITEM_OPTS;
if (opts & ~ALL_ITEM_OPTS)
RETURN(E_BAD_ARGUMENT);
if (item)
{
if (item->opt != opts)
{
MENU *menu = item->imenu;
item->opt = opts;
if ((!(opts & O_SELECTABLE)) && item->value)
item->value = FALSE;
if (menu && (menu->status & _POSTED))
{
Move_And_Post_Item( menu, item );
_nc_Show_Menu(menu);
}
}
}
else
_nc_Default_Item.opt = opts;
RETURN(E_OK);
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int item_opts_off(ITEM *item, Item_Options opts)
|
| Description : Switch of the options for this item.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid options
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
item_opts_off (ITEM *item, Item_Options opts)
{
ITEM *citem = item; /* use a copy because set_item_opts must detect
NULL item itself to adjust its behaviour */
if (opts & ~ALL_ITEM_OPTS)
RETURN(E_BAD_ARGUMENT);
else
{
Normalize_Item(citem);
opts = citem->opt & ~(opts & ALL_ITEM_OPTS);
return set_item_opts( item, opts );
}
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int item_opts_on(ITEM *item, Item_Options opts)
|
| Description : Switch on the options for this item.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid options
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
item_opts_on (ITEM *item, Item_Options opts)
{
ITEM *citem = item; /* use a copy because set_item_opts must detect
NULL item itself to adjust its behaviour */
opts &= ALL_ITEM_OPTS;
if (opts & ~ALL_ITEM_OPTS)
RETURN(E_BAD_ARGUMENT);
else
{
Normalize_Item(citem);
opts = citem->opt | opts;
return set_item_opts( item, opts );
}
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : Item_Options item_opts(const ITEM *item)
|
| Description : Switch of the options for this item.
|
| Return Values : Items options
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(Item_Options)
item_opts (const ITEM * item)
{
return (ALL_ITEM_OPTS & Normalize_Item(item)->opt);
}
/* m_item_opt.c ends here */
|
