1/****************************************************************************
2 * Copyright 2020 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.   *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
23 *                                                                          *
24 * Except as contained in this notice, the name(s) of the above copyright   *
25 * holders shall not be used in advertising or otherwise to promote the     *
26 * sale, use or other dealings in this Software without prior written       *
27 * authorization.                                                           *
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
41MODULE_ID("$Id: m_scale.c,v 1.11 2020/02/02 23:34:34 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+--------------------------------------------------------------------------*/
54NCURSES_EXPORT(int)
55scale_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