1 /****************************************************************************
2 * Copyright (c) 1998 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
31 ****************************************************************************/
33 /***************************************************************************
35 * Menus item option routines *
36 ***************************************************************************/
38 #include "menu.priv.h"
40 MODULE_ID("$Id: m_item_opt.c,v 1.10 1999/05/16 17:25:52 juergen Exp $")
42 /*---------------------------------------------------------------------------
44 | Function : int set_item_opts(ITEM *item, Item_Options opts)
46 | Description : Set the options of the item. If there are relevant
47 | changes, the item is connected and the menu is posted,
48 | the menu will be redisplayed.
50 | Return Values : E_OK - success
51 | E_BAD_ARGUMENT - invalid item options
52 +--------------------------------------------------------------------------*/
53 int set_item_opts(ITEM *item, Item_Options opts)
55 opts &= ALL_ITEM_OPTS;
57 if (opts & ~ALL_ITEM_OPTS)
58 RETURN(E_BAD_ARGUMENT);
62 if (item->opt != opts)
64 MENU *menu = item->imenu;
68 if ((!(opts & O_SELECTABLE)) && item->value)
71 if (menu && (menu->status & _POSTED))
73 Move_And_Post_Item( menu, item );
79 _nc_Default_Item.opt = opts;
84 /*---------------------------------------------------------------------------
86 | Function : int item_opts_off(ITEM *item, Item_Options opts)
88 | Description : Switch of the options for this item.
90 | Return Values : E_OK - success
91 | E_BAD_ARGUMENT - invalid options
92 +--------------------------------------------------------------------------*/
93 int item_opts_off(ITEM *item, Item_Options opts)
95 ITEM *citem = item; /* use a copy because set_item_opts must detect
96 NULL item itself to adjust its behaviour */
98 if (opts & ~ALL_ITEM_OPTS)
99 RETURN(E_BAD_ARGUMENT);
102 Normalize_Item(citem);
103 opts = citem->opt & ~(opts & ALL_ITEM_OPTS);
104 return set_item_opts( item, opts );
108 /*---------------------------------------------------------------------------
109 | Facility : libnmenu
110 | Function : int item_opts_on(ITEM *item, Item_Options opts)
112 | Description : Switch on the options for this item.
114 | Return Values : E_OK - success
115 | E_BAD_ARGUMENT - invalid options
116 +--------------------------------------------------------------------------*/
117 int item_opts_on(ITEM *item, Item_Options opts)
119 ITEM *citem = item; /* use a copy because set_item_opts must detect
120 NULL item itself to adjust its behaviour */
122 opts &= ALL_ITEM_OPTS;
123 if (opts & ~ALL_ITEM_OPTS)
124 RETURN(E_BAD_ARGUMENT);
127 Normalize_Item(citem);
128 opts = citem->opt | opts;
129 return set_item_opts( item, opts );
133 /*---------------------------------------------------------------------------
134 | Facility : libnmenu
135 | Function : Item_Options item_opts(const ITEM *item)
137 | Description : Switch of the options for this item.
139 | Return Values : Items options
140 +--------------------------------------------------------------------------*/
141 Item_Options item_opts(const ITEM * item)
143 return (ALL_ITEM_OPTS & Normalize_Item(item)->opt);
146 /* m_item_opt.c ends here */