1 /* $OpenBSD: m_item_opt.c,v 1.10 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_opt *
38 * Menus item option routines *
39 ***************************************************************************/
40
41 #include "menu.priv.h"
42
43 MODULE_ID("$Id: m_item_opt.c,v 1.10 2023/10/17 09:52:10 nicm Exp $")
44
45 /*---------------------------------------------------------------------------
46 | Facility : libnmenu
47 | Function : int set_item_opts(ITEM *item, Item_Options opts)
48 |
49 | Description : Set the options of the item. If there are relevant
50 | changes, the item is connected and the menu is posted,
51 | the menu will be redisplayed.
52 |
53 | Return Values : E_OK - success
54 | E_BAD_ARGUMENT - invalid item options
55 +--------------------------------------------------------------------------*/
MENU_EXPORT(int)56 MENU_EXPORT(int)
57 set_item_opts(ITEM *item, Item_Options opts)
58 {
59 T((T_CALLED("set_menu_opts(%p,%d)"), (void *)item, opts));
60
61 opts &= ALL_ITEM_OPTS;
62
63 if (opts & ~ALL_ITEM_OPTS)
64 RETURN(E_BAD_ARGUMENT);
65
66 if (item)
67 {
68 if (item->opt != opts)
69 {
70 MENU *menu = item->imenu;
71
72 item->opt = opts;
73
74 if ((!(opts & O_SELECTABLE)) && item->value)
75 item->value = FALSE;
76
77 if (menu && (menu->status & _POSTED))
78 {
79 Move_And_Post_Item(menu, item);
80 _nc_Show_Menu(menu);
81 }
82 }
83 }
84 else
85 _nc_Default_Item.opt = opts;
86
87 RETURN(E_OK);
88 }
89
90 /*---------------------------------------------------------------------------
91 | Facility : libnmenu
92 | Function : int item_opts_off(ITEM *item, Item_Options opts)
93 |
94 | Description : Switch of the options for this item.
95 |
96 | Return Values : E_OK - success
97 | E_BAD_ARGUMENT - invalid options
98 +--------------------------------------------------------------------------*/
99 MENU_EXPORT(int)
item_opts_off(ITEM * item,Item_Options opts)100 item_opts_off(ITEM *item, Item_Options opts)
101 {
102 ITEM *citem = item; /* use a copy because set_item_opts must detect
103
104 NULL item itself to adjust its behavior */
105
106 T((T_CALLED("item_opts_off(%p,%d)"), (void *)item, opts));
107
108 if (opts & ~ALL_ITEM_OPTS)
109 RETURN(E_BAD_ARGUMENT);
110 else
111 {
112 Normalize_Item(citem);
113 opts = citem->opt & ~(opts & ALL_ITEM_OPTS);
114 returnCode(set_item_opts(item, opts));
115 }
116 }
117
118 /*---------------------------------------------------------------------------
119 | Facility : libnmenu
120 | Function : int item_opts_on(ITEM *item, Item_Options opts)
121 |
122 | Description : Switch on the options for this item.
123 |
124 | Return Values : E_OK - success
125 | E_BAD_ARGUMENT - invalid options
126 +--------------------------------------------------------------------------*/
127 MENU_EXPORT(int)
item_opts_on(ITEM * item,Item_Options opts)128 item_opts_on(ITEM *item, Item_Options opts)
129 {
130 ITEM *citem = item; /* use a copy because set_item_opts must detect
131
132 NULL item itself to adjust its behavior */
133
134 T((T_CALLED("item_opts_on(%p,%d)"), (void *)item, opts));
135
136 opts &= ALL_ITEM_OPTS;
137 if (opts & ~ALL_ITEM_OPTS)
138 RETURN(E_BAD_ARGUMENT);
139 else
140 {
141 Normalize_Item(citem);
142 opts = citem->opt | opts;
143 returnCode(set_item_opts(item, opts));
144 }
145 }
146
147 /*---------------------------------------------------------------------------
148 | Facility : libnmenu
149 | Function : Item_Options item_opts(const ITEM *item)
150 |
151 | Description : Switch of the options for this item.
152 |
153 | Return Values : Items options
154 +--------------------------------------------------------------------------*/
155 MENU_EXPORT(Item_Options)
item_opts(const ITEM * item)156 item_opts(const ITEM *item)
157 {
158 T((T_CALLED("item_opts(%p)"), (const void *)item));
159 returnItemOpts(ALL_ITEM_OPTS & Normalize_Item(item)->opt);
160 }
161
162 /* m_item_opt.c ends here */
163