xref: /openbsd/lib/libmenu/m_spacing.c (revision 73471bf0)
1 /* $OpenBSD: m_spacing.c,v 1.6 2010/01/12 23:22:08 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc.              *
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15  * in all copies or substantial portions of the Software.                   *
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30 
31 /****************************************************************************
32  *   Author:  Juergen Pfeifer, 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("$Id: m_spacing.c,v 1.6 2010/01/12 23:22:08 nicm 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 entries
53 |
54 |   Return Values :  E_OK                 - on success
55 +--------------------------------------------------------------------------*/
56 NCURSES_EXPORT(int)
57 set_menu_spacing(MENU * menu, int s_desc, int s_row, int s_col)
58 {
59   MENU *m;			/* split for ATAC workaround */
60 
61   T((T_CALLED("set_menu_spacing(%p,%d,%d,%d)"), menu, s_desc, s_row, s_col));
62 
63   m = Normalize_Menu(menu);
64 
65   assert(m);
66   if (m->status & _POSTED)
67     RETURN(E_POSTED);
68 
69   if (((s_desc < 0) || (s_desc > MAX_SPC_DESC)) ||
70       ((s_row < 0) || (s_row > MAX_SPC_ROWS)) ||
71       ((s_col < 0) || (s_col > MAX_SPC_COLS)))
72     RETURN(E_BAD_ARGUMENT);
73 
74   m->spc_desc = s_desc ? s_desc : 1;
75   m->spc_rows = s_row ? s_row : 1;
76   m->spc_cols = s_col ? s_col : 1;
77   _nc_Calculate_Item_Length_and_Width(m);
78 
79   RETURN(E_OK);
80 }
81 
82 /*---------------------------------------------------------------------------
83 |   Facility      :  libnmenu
84 |   Function      :  int menu_spacing (const MENU *,int *,int *,int *);
85 |
86 |   Description   :  Retrieve info about spacing between the entries
87 |
88 |   Return Values :  E_OK             - on success
89 +--------------------------------------------------------------------------*/
90 NCURSES_EXPORT(int)
91 menu_spacing(const MENU * menu, int *s_desc, int *s_row, int *s_col)
92 {
93   const MENU *m;		/* split for ATAC workaround */
94 
95   T((T_CALLED("menu_spacing(%p,%p,%p,%p)"), menu, s_desc, s_row, s_col));
96 
97   m = Normalize_Menu(menu);
98 
99   assert(m);
100   if (s_desc)
101     *s_desc = m->spc_desc;
102   if (s_row)
103     *s_row = m->spc_rows;
104   if (s_col)
105     *s_col = m->spc_cols;
106 
107   RETURN(E_OK);
108 }
109 
110 /* m_spacing.c ends here */
111