1 /* $OpenBSD: m_scale.c,v 1.6 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_scale *
38 * Menu scaling routine *
39 ***************************************************************************/
40
41 #include "menu.priv.h"
42
43 MODULE_ID("$Id: m_scale.c,v 1.6 2023/10/17 09:52:10 nicm Exp $")
44
45 /*---------------------------------------------------------------------------
46 | Facility : libnmenu
47 | Function : int scale_menu(const MENU *menu)
48 |
49 | Description : Returns the minimum window size necessary for the
50 | subwindow of menu.
51 |
52 | Return Values : E_OK - success
53 | E_BAD_ARGUMENT - invalid menu pointer
54 | E_NOT_CONNECTED - no items are connected to menu
55 +--------------------------------------------------------------------------*/
MENU_EXPORT(int)56 MENU_EXPORT(int)
57 scale_menu(const MENU *menu, int *rows, int *cols)
58 {
59 T((T_CALLED("scale_menu(%p,%p,%p)"),
60 (const void *)menu,
61 (void *)rows,
62 (void *)cols));
63
64 if (!menu)
65 RETURN(E_BAD_ARGUMENT);
66
67 if (menu->items && *(menu->items))
68 {
69 if (rows)
70 *rows = menu->height;
71 if (cols)
72 *cols = menu->width;
73 RETURN(E_OK);
74 }
75 else
76 RETURN(E_NOT_CONNECTED);
77 }
78
79 /* m_scale.c ends here */
80