1 /****************************************************************************
2 * Copyright 2020,2021 Thomas E. Dickey *
3 * Copyright 1998-2004,2010 Free Software Foundation, Inc. *
4 * *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
12 * *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
15 * *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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28 ****************************************************************************/
29
30 /****************************************************************************
31 * Author: Juergen Pfeifer, 1995,1997 *
32 ****************************************************************************/
33
34 /***************************************************************************
35 * Module m_scale *
36 * Menu scaling routine *
37 ***************************************************************************/
38
39 #include "menu.priv.h"
40
41 MODULE_ID("$Id: m_scale.c,v 1.14 2021/06/17 21:20:30 tom Exp $")
42
43 /*---------------------------------------------------------------------------
44 | Facility : libnmenu
45 | Function : int scale_menu(const MENU *menu)
46 |
47 | Description : Returns the minimum window size necessary for the
48 | subwindow of menu.
49 |
50 | Return Values : E_OK - success
51 | E_BAD_ARGUMENT - invalid menu pointer
52 | E_NOT_CONNECTED - no items are connected to menu
53 +--------------------------------------------------------------------------*/
MENU_EXPORT(int)54 MENU_EXPORT(int)
55 scale_menu(const MENU *menu, int *rows, int *cols)
56 {
57 T((T_CALLED("scale_menu(%p,%p,%p)"),
58 (const void *)menu,
59 (void *)rows,
60 (void *)cols));
61
62 if (!menu)
63 RETURN(E_BAD_ARGUMENT);
64
65 if (menu->items && *(menu->items))
66 {
67 if (rows)
68 *rows = menu->height;
69 if (cols)
70 *cols = menu->width;
71 RETURN(E_OK);
72 }
73 else
74 RETURN(E_NOT_CONNECTED);
75 }
76
77 /* m_scale.c ends here */
78