xref: /freebsd/contrib/ncurses/menu/m_spacing.c (revision 7aa383846770374466b1dcb2cefd71bde9acf463)
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28 
29 /****************************************************************************
30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
31  ****************************************************************************/
32 
33 /***************************************************************************
34 * Module m_spacing                                                         *
35 * Routines to handle spacing between entries                               *
36 ***************************************************************************/
37 
38 #include "menu.priv.h"
39 
40 MODULE_ID("$Id: m_spacing.c,v 1.17 2004/12/11 23:29:34 tom Exp $")
41 
42 #define MAX_SPC_DESC ((TABSIZE) ? (TABSIZE) : 8)
43 #define MAX_SPC_COLS ((TABSIZE) ? (TABSIZE) : 8)
44 #define MAX_SPC_ROWS (3)
45 
46 /*---------------------------------------------------------------------------
47 |   Facility      :  libnmenu
48 |   Function      :  int set_menu_spacing(MENU *menu,int desc, int r, int c);
49 |
50 |   Description   :  Set the spacing between entries
51 |
52 |   Return Values :  E_OK                 - on success
53 +--------------------------------------------------------------------------*/
54 NCURSES_EXPORT(int)
55 set_menu_spacing(MENU * menu, int s_desc, int s_row, int s_col)
56 {
57   MENU *m;			/* split for ATAC workaround */
58 
59   T((T_CALLED("set_menu_spacing(%p,%d,%d,%d)"), menu, s_desc, s_row, s_col));
60 
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 |   Facility      :  libnmenu
82 |   Function      :  int menu_spacing (const MENU *,int *,int *,int *);
83 |
84 |   Description   :  Retrieve info about spacing between the entries
85 |
86 |   Return Values :  E_OK             - on success
87 +--------------------------------------------------------------------------*/
88 NCURSES_EXPORT(int)
89 menu_spacing(const MENU * menu, int *s_desc, int *s_row, int *s_col)
90 {
91   const MENU *m;		/* split for ATAC workaround */
92 
93   T((T_CALLED("menu_spacing(%p,%p,%p,%p)"), menu, s_desc, s_row, s_col));
94 
95   m = Normalize_Menu(menu);
96 
97   assert(m);
98   if (s_desc)
99     *s_desc = m->spc_desc;
100   if (s_row)
101     *s_row = m->spc_rows;
102   if (s_col)
103     *s_col = m->spc_cols;
104 
105   RETURN(E_OK);
106 }
107 
108 /* m_spacing.c ends here */
109