xref: /openbsd-src/lib/libmenu/m_spacing.c (revision a28daedfc357b214be5c701aa8ba8adb29a7f1c2)
1 /*	$OpenBSD: m_spacing.c,v 1.5 2001/01/22 18:02:06 millert Exp $	*/
2 
3 /****************************************************************************
4  * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
9  * without limitation the rights to use, copy, modify, merge, publish,      *
10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
27  * sale, use or other dealings in this Software without prior written       *
28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
33  ****************************************************************************/
34 
35 /***************************************************************************
36 * Module m_spacing                                                         *
37 * Routines to handle spacing between entries                               *
38 ***************************************************************************/
39 
40 #include "menu.priv.h"
41 
42 MODULE_ID("$From: m_spacing.c,v 1.12 2000/12/10 02:16:48 tom Exp $")
43 
44 #define MAX_SPC_DESC ((TABSIZE) ? (TABSIZE) : 8)
45 #define MAX_SPC_COLS ((TABSIZE) ? (TABSIZE) : 8)
46 #define MAX_SPC_ROWS (3)
47 
48 /*---------------------------------------------------------------------------
49 |   Facility      :  libnmenu
50 |   Function      :  int set_menu_spacing(MENU *menu,int desc, int r, int c);
51 |
52 |   Description   :  Set the spacing between entried
53 |
54 |   Return Values :  E_OK                 - on success
55 +--------------------------------------------------------------------------*/
56 NCURSES_EXPORT(int)
57 set_menu_spacing
58 (MENU *menu, int s_desc, int s_row, int s_col )
59 {
60   MENU *m; /* split for ATAC workaround */
61   m = Normalize_Menu(menu);
62 
63   assert(m);
64   if (m->status & _POSTED)
65     RETURN(E_POSTED);
66 
67   if (((s_desc < 0) || (s_desc > MAX_SPC_DESC)) ||
68       ((s_row  < 0) || (s_row  > MAX_SPC_ROWS)) ||
69       ((s_col  < 0) || (s_col  > MAX_SPC_COLS)))
70     RETURN(E_BAD_ARGUMENT);
71 
72   m->spc_desc = s_desc ? s_desc : 1;
73   m->spc_rows = s_row  ? s_row  : 1;
74   m->spc_cols = s_col  ? s_col  : 1;
75   _nc_Calculate_Item_Length_and_Width(m);
76 
77   RETURN(E_OK);
78 }
79 
80 
81 /*---------------------------------------------------------------------------
82 |   Facility      :  libnmenu
83 |   Function      :  int menu_spacing (const MENU *,int *,int *,int *);
84 |
85 |   Description   :  Retrieve info about spacing between the entries
86 |
87 |   Return Values :  E_OK             - on success
88 +--------------------------------------------------------------------------*/
89 NCURSES_EXPORT(int)
90 menu_spacing ( const MENU *menu, int* s_desc, int* s_row, int* s_col)
91 {
92   const MENU *m; /* split for ATAC workaround */
93   m = Normalize_Menu(menu);
94 
95   assert(m);
96   if (s_desc) *s_desc = m->spc_desc;
97   if (s_row)  *s_row  = m->spc_rows;
98   if (s_col)  *s_col  = m->spc_cols;
99 
100   RETURN(E_OK);
101 }
102 
103 /* m_spacing.c ends here */
104