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1/* $OpenBSD: m_items.c,v 1.8 2023/10/17 09:52:10 nicm Exp $ */
2
3/****************************************************************************
4 * Copyright 2020,2021 Thomas E. Dickey *
5 * Copyright 1998-2005,2010 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_items *
38* Connect and disconnect items to and from menus *
39***************************************************************************/
40
41#include "menu.priv.h"
42
43MODULE_ID("$Id: m_items.c,v 1.8 2023/10/17 09:52:10 nicm Exp $")
44
45/*---------------------------------------------------------------------------
46| Facility : libnmenu
47| Function : int set_menu_items(MENU *menu, ITEM **items)
48|
49| Description : Sets the item pointer array connected to menu.
50|
51| Return Values : E_OK - success
52| E_POSTED - menu is already posted
53| E_CONNECTED - one or more items are already connected
54| to another menu.
55| E_BAD_ARGUMENT - An incorrect menu or item array was
56| passed to the function
57+--------------------------------------------------------------------------*/
58MENU_EXPORT(int)
59set_menu_items(MENU *menu, ITEM **items)
60{
61 T((T_CALLED("set_menu_items(%p,%p)"), (void *)menu, (void *)items));
62
63 if (!menu || (items && !(*items)))
64 RETURN(E_BAD_ARGUMENT);
65
66 if (menu->status & _POSTED)
67 RETURN(E_POSTED);
68
69 if (menu->items)
70 _nc_Disconnect_Items(menu);
71
72 if (items)
73 {
74 if (!_nc_Connect_Items(menu, items))
75 RETURN(E_CONNECTED);
76 }
77
78 menu->items = items;
79 RETURN(E_OK);
80}
81
82/*---------------------------------------------------------------------------
83| Facility : libnmenu
84| Function : ITEM **menu_items(const MENU *menu)
85|
86| Description : Returns a pointer to the item pointer array of the menu
87|
88| Return Values : NULL on error
89+--------------------------------------------------------------------------*/
90MENU_EXPORT(ITEM **)
91menu_items(const MENU *menu)
92{
93 T((T_CALLED("menu_items(%p)"), (const void *)menu));
94 returnItemPtr(menu ? menu->items : (ITEM **)0);
95}
96
97/*---------------------------------------------------------------------------
98| Facility : libnmenu
99| Function : int item_count(const MENU *menu)
100|
101| Description : Get the number of items connected to the menu. If the
102| menu pointer is NULL we return -1.
103|
104| Return Values : Number of items or -1 to indicate error.
105+--------------------------------------------------------------------------*/
106MENU_EXPORT(int)
107item_count(const MENU *menu)
108{
109 T((T_CALLED("item_count(%p)"), (const void *)menu));
110 returnCode(menu ? menu->nitems : -1);
111}
112
113/* m_items.c ends here */