105 lines
4.5 KiB
C
105 lines
4.5 KiB
C
/****************************************************************************
|
|
* Copyright (c) 1998-2003,2004 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, 1995,1997 *
|
|
****************************************************************************/
|
|
|
|
/***************************************************************************
|
|
* Module m_item_val *
|
|
* Set and get menus item values *
|
|
***************************************************************************/
|
|
|
|
#include "menu.priv.h"
|
|
|
|
MODULE_ID("$Id: m_item_val.c,v 1.14 2004/12/11 23:29:34 tom Exp $")
|
|
|
|
/*---------------------------------------------------------------------------
|
|
| Facility : libnmenu
|
|
| Function : int set_item_value(ITEM *item, int value)
|
|
|
|
|
| Description : Programmatically set the item's selection value. This is
|
|
| only allowed if the item is selectable at all and if
|
|
| it is not connected to a single-valued menu.
|
|
| If the item is connected to a posted menu, the menu
|
|
| will be redisplayed.
|
|
|
|
|
| Return Values : E_OK - success
|
|
| E_REQUEST_DENIED - not selectable or single valued menu
|
|
+--------------------------------------------------------------------------*/
|
|
NCURSES_EXPORT(int)
|
|
set_item_value(ITEM * item, bool value)
|
|
{
|
|
MENU *menu;
|
|
|
|
T((T_CALLED("set_item_value(%p,%d)"), item, value));
|
|
if (item)
|
|
{
|
|
menu = item->imenu;
|
|
|
|
if ((!(item->opt & O_SELECTABLE)) ||
|
|
(menu && (menu->opt & O_ONEVALUE)))
|
|
RETURN(E_REQUEST_DENIED);
|
|
|
|
if (item->value ^ value)
|
|
{
|
|
item->value = value ? TRUE : FALSE;
|
|
if (menu)
|
|
{
|
|
if (menu->status & _POSTED)
|
|
{
|
|
Move_And_Post_Item(menu, item);
|
|
_nc_Show_Menu(menu);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
_nc_Default_Item.value = value;
|
|
|
|
RETURN(E_OK);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
| Facility : libnmenu
|
|
| Function : bool item_value(const ITEM *item)
|
|
|
|
|
| Description : Return the selection value of the item
|
|
|
|
|
| Return Values : TRUE - if item is selected
|
|
| FALSE - if item is not selected
|
|
+--------------------------------------------------------------------------*/
|
|
NCURSES_EXPORT(bool)
|
|
item_value(const ITEM * item)
|
|
{
|
|
T((T_CALLED("item_value(%p)"), item));
|
|
returnBool((Normalize_Item(item)->value) ? TRUE : FALSE);
|
|
}
|
|
|
|
/* m_item_val.c ends here */
|