xref: /freebsd/contrib/ncurses/menu/m_spacing.c (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
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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 1.19 2012/03/10 23:43:41 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)"),
60      (void *)menu, s_desc, s_row, s_col));
61 
62   m = Normalize_Menu(menu);
63 
64   assert(m);
65   if (m->status & _POSTED)
66     RETURN(E_POSTED);
67 
68   if (((s_desc < 0) || (s_desc > MAX_SPC_DESC)) ||
69       ((s_row < 0) || (s_row > MAX_SPC_ROWS)) ||
70       ((s_col < 0) || (s_col > MAX_SPC_COLS)))
71     RETURN(E_BAD_ARGUMENT);
72 
73   m->spc_desc = (short)(s_desc ? s_desc : 1);
74   m->spc_rows = (short)(s_row ? s_row : 1);
75   m->spc_cols = (short)(s_col ? s_col : 1);
76   _nc_Calculate_Item_Length_and_Width(m);
77 
78   RETURN(E_OK);
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 
94   T((T_CALLED("menu_spacing(%p,%p,%p,%p)"),
95      (const void *)menu,
96      (void *)s_desc,
97      (void *)s_row,
98      (void *)s_col));
99 
100   m = Normalize_Menu(menu);
101 
102   assert(m);
103   if (s_desc)
104     *s_desc = m->spc_desc;
105   if (s_row)
106     *s_row = m->spc_rows;
107   if (s_col)
108     *s_col = m->spc_cols;
109 
110   RETURN(E_OK);
111 }
112 
113 /* m_spacing.c ends here */
114