xref: /openbsd/lib/libmenu/m_spacing.c (revision 3bef86f7)
1 /* $OpenBSD: m_spacing.c,v 1.7 2023/10/17 09:52:10 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright 2020 Thomas E. Dickey                                          *
5  * Copyright 1998-2010,2012 Free Software Foundation, Inc.                  *
6  *                                                                          *
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8  * copy of this software and associated documentation files (the            *
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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.   *
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31 
32 /****************************************************************************
33  *   Author:  Juergen Pfeifer, 1995,1997                                    *
34  ****************************************************************************/
35 
36 /***************************************************************************
37 * Module m_spacing                                                         *
38 * Routines to handle spacing between entries                               *
39 ***************************************************************************/
40 
41 #include "menu.priv.h"
42 
43 MODULE_ID("$Id: m_spacing.c,v 1.7 2023/10/17 09:52:10 nicm Exp $")
44 
45 #define MAX_SPC_DESC ((TABSIZE) ? (TABSIZE) : 8)
46 #define MAX_SPC_COLS ((TABSIZE) ? (TABSIZE) : 8)
47 #define MAX_SPC_ROWS (3)
48 
49 /*---------------------------------------------------------------------------
50 |   Facility      :  libnmenu
51 |   Function      :  int set_menu_spacing(MENU *menu,int desc, int r, int c);
52 |
53 |   Description   :  Set the spacing between entries
54 |
55 |   Return Values :  E_OK                 - on success
56 +--------------------------------------------------------------------------*/
57 MENU_EXPORT(int)
58 set_menu_spacing(MENU *menu, int s_desc, int s_row, int s_col)
59 {
60   MENU *m;			/* split for ATAC workaround */
61 
62   T((T_CALLED("set_menu_spacing(%p,%d,%d,%d)"),
63      (void *)menu, s_desc, s_row, s_col));
64 
65   m = Normalize_Menu(menu);
66 
67   assert(m);
68   if (m->status & _POSTED)
69     RETURN(E_POSTED);
70 
71   if (((s_desc < 0) || (s_desc > MAX_SPC_DESC)) ||
72       ((s_row < 0) || (s_row > MAX_SPC_ROWS)) ||
73       ((s_col < 0) || (s_col > MAX_SPC_COLS)))
74     RETURN(E_BAD_ARGUMENT);
75 
76   m->spc_desc = (short)(s_desc ? s_desc : 1);
77   m->spc_rows = (short)(s_row ? s_row : 1);
78   m->spc_cols = (short)(s_col ? s_col : 1);
79   _nc_Calculate_Item_Length_and_Width(m);
80 
81   RETURN(E_OK);
82 }
83 
84 /*---------------------------------------------------------------------------
85 |   Facility      :  libnmenu
86 |   Function      :  int menu_spacing (const MENU *,int *,int *,int *);
87 |
88 |   Description   :  Retrieve info about spacing between the entries
89 |
90 |   Return Values :  E_OK             - on success
91 +--------------------------------------------------------------------------*/
92 MENU_EXPORT(int)
93 menu_spacing(const MENU *menu, int *s_desc, int *s_row, int *s_col)
94 {
95   const MENU *m;		/* split for ATAC workaround */
96 
97   T((T_CALLED("menu_spacing(%p,%p,%p,%p)"),
98      (const void *)menu,
99      (void *)s_desc,
100      (void *)s_row,
101      (void *)s_col));
102 
103   m = Normalize_Menu(menu);
104 
105   assert(m);
106   if (s_desc)
107     *s_desc = m->spc_desc;
108   if (s_row)
109     *s_row = m->spc_rows;
110   if (s_col)
111     *s_col = m->spc_cols;
112 
113   RETURN(E_OK);
114 }
115 
116 /* m_spacing.c ends here */
117