1 /* $OpenBSD: m_item_val.c,v 1.8 2023/10/17 09:52:10 nicm Exp $ */
2
3 /****************************************************************************
4 * Copyright 2020,2021 Thomas E. Dickey *
5 * Copyright 1998-2004,2010 Free Software Foundation, Inc. *
6 * *
7 * Permission is hereby granted, free of charge, to any person obtaining a *
8 * copy of this software and associated documentation files (the *
9 * "Software"), to deal in the Software without restriction, including *
10 * without limitation the rights to use, copy, modify, merge, publish, *
11 * distribute, distribute with modifications, sublicense, and/or sell *
12 * copies of the Software, and to permit persons to whom the Software is *
13 * furnished to do so, subject to the following conditions: *
14 * *
15 * The above copyright notice and this permission notice shall be included *
16 * in all copies or substantial portions of the Software. *
17 * *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
25 * *
26 * Except as contained in this notice, the name(s) of the above copyright *
27 * holders shall not be used in advertising or otherwise to promote the *
28 * sale, use or other dealings in this Software without prior written *
29 * authorization. *
30 ****************************************************************************/
31
32 /****************************************************************************
33 * Author: Juergen Pfeifer, 1995,1997 *
34 ****************************************************************************/
35
36 /***************************************************************************
37 * Module m_item_val *
38 * Set and get menus item values *
39 ***************************************************************************/
40
41 #include "menu.priv.h"
42
43 MODULE_ID("$Id: m_item_val.c,v 1.8 2023/10/17 09:52:10 nicm Exp $")
44
45 /*---------------------------------------------------------------------------
46 | Facility : libnmenu
47 | Function : int set_item_value(ITEM *item, int value)
48 |
49 | Description : Programmatically set the item's selection value. This is
50 | only allowed if the item is selectable at all and if
51 | it is not connected to a single-valued menu.
52 | If the item is connected to a posted menu, the menu
53 | will be redisplayed.
54 |
55 | Return Values : E_OK - success
56 | E_REQUEST_DENIED - not selectable or single valued menu
57 +--------------------------------------------------------------------------*/
MENU_EXPORT(int)58 MENU_EXPORT(int)
59 set_item_value(ITEM *item, bool value)
60 {
61 T((T_CALLED("set_item_value(%p,%d)"), (void *)item, value));
62 if (item)
63 {
64 MENU *menu = item->imenu;
65
66 if ((!(item->opt & O_SELECTABLE)) ||
67 (menu && (menu->opt & O_ONEVALUE)))
68 RETURN(E_REQUEST_DENIED);
69
70 if (item->value ^ value)
71 {
72 item->value = value ? TRUE : FALSE;
73 if (menu)
74 {
75 if (menu->status & _POSTED)
76 {
77 Move_And_Post_Item(menu, item);
78 _nc_Show_Menu(menu);
79 }
80 }
81 }
82 }
83 else
84 _nc_Default_Item.value = value;
85
86 RETURN(E_OK);
87 }
88
89 /*---------------------------------------------------------------------------
90 | Facility : libnmenu
91 | Function : bool item_value(const ITEM *item)
92 |
93 | Description : Return the selection value of the item
94 |
95 | Return Values : TRUE - if item is selected
96 | FALSE - if item is not selected
97 +--------------------------------------------------------------------------*/
98 MENU_EXPORT(bool)
item_value(const ITEM * item)99 item_value(const ITEM *item)
100 {
101 T((T_CALLED("item_value(%p)"), (const void *)item));
102 returnBool((Normalize_Item(item)->value) ? TRUE : FALSE);
103 }
104
105 /* m_item_val.c ends here */
106