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103 lines
4.4 KiB
C
103 lines
4.4 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_val *
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* Set and get menus item values *
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***************************************************************************/
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#include "menu.priv.h"
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MODULE_ID("$Id: m_item_val.c,v 1.9 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_value(ITEM *item, int value)
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| Description : Programmatically set the items selection value. This is
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| only allowed if the item is selectable at all and if
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| it is not connected to a single-valued menu.
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| If the item is connected to a posted menu, the menu
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| will be redisplayed.
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| Return Values : E_OK - success
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| E_REQUEST_DENIED - not selectable or single valued menu
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+--------------------------------------------------------------------------*/
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NCURSES_EXPORT(int)
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set_item_value (ITEM *item, bool value)
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{
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MENU *menu;
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if (item)
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{
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menu = item->imenu;
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if ((!(item->opt & O_SELECTABLE)) ||
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(menu && (menu->opt & O_ONEVALUE)))
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RETURN(E_REQUEST_DENIED);
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if (item->value ^ value)
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{
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item->value = value ? TRUE : FALSE;
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if (menu)
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{
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if (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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}
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else
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_nc_Default_Item.value = value;
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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 : bool item_value(const ITEM *item)
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| Description : Return the selection value of the item
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| Return Values : TRUE - if item is selected
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| FALSE - if item is not selected
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+--------------------------------------------------------------------------*/
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NCURSES_EXPORT(bool)
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item_value (const ITEM *item)
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{
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return ((Normalize_Item(item)->value) ? TRUE : FALSE);
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}
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/* m_item_val.c ends here */
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