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/* $OpenBSD: m_item_opt.c,v 1.3 1997/12/03 05:31:21 millert Exp $ */
/*-----------------------------------------------------------------------------+
| The ncurses menu library is Copyright (C) 1995-1997 |
| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
| All Rights Reserved. |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, provided |
| that the above copyright notice appear in all copies and that both that |
| copyright notice and this permission notice appear in supporting |
| documentation, and that the name of the above listed copyright holder(s) not |
| be used in advertising or publicity pertaining to distribution of the |
| software without specific, written prior permission. |
| |
| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
+-----------------------------------------------------------------------------*/
/***************************************************************************
* Module m_item_opt *
* Menus item option routines *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("Id: m_item_opt.c,v 1.5 1997/10/21 08:44:31 juergen 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
+--------------------------------------------------------------------------*/
int set_item_opts(ITEM *item, Item_Options 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
+--------------------------------------------------------------------------*/
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;
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
+--------------------------------------------------------------------------*/
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 */
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
+--------------------------------------------------------------------------*/
Item_Options item_opts(const ITEM * item)
{
return (ALL_ITEM_OPTS & Normalize_Item(item)->opt);
}
/* m_item_opt.c ends here */
|
