1 /****************************************************************************
2 * Copyright 2020,2021 Thomas E. Dickey *
3 * Copyright 1998-2010,2012 Free Software Foundation, Inc. *
4 * *
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6 * copy of this software and associated documentation files (the *
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10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
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13 * The above copyright notice and this permission notice shall be included *
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15 * *
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28 ****************************************************************************/
29
30 /****************************************************************************
31 * Author: Juergen Pfeifer, 1995,1997 *
32 ****************************************************************************/
33
34 /***************************************************************************
35 * Module m_pad *
36 * Control menus padding character *
37 ***************************************************************************/
38
39 #include "menu.priv.h"
40
41 MODULE_ID("$Id: m_pad.c,v 1.17 2021/06/17 21:20:30 tom Exp $")
42
43 /* Macro to redraw menu if it is posted and changed */
44 #define Refresh_Menu(menu) \
45 if ( (menu) && ((menu)->status & _POSTED) )\
46 {\
47 _nc_Draw_Menu( menu );\
48 _nc_Show_Menu( menu ); \
49 }
50
51 /*---------------------------------------------------------------------------
52 | Facility : libnmenu
53 | Function : int set_menu_pad(MENU* menu, int pad)
54 |
55 | Description : Set the character to be used to separate the item name
56 | from its description. This must be a printable
57 | character.
58 |
59 | Return Values : E_OK - success
60 | E_BAD_ARGUMENT - an invalid value has been passed
61 +--------------------------------------------------------------------------*/
MENU_EXPORT(int)62 MENU_EXPORT(int)
63 set_menu_pad(MENU *menu, int pad)
64 {
65 bool do_refresh = (menu != (MENU *)0);
66
67 T((T_CALLED("set_menu_pad(%p,%d)"), (void *)menu, pad));
68
69 if (!isprint(UChar(pad)))
70 RETURN(E_BAD_ARGUMENT);
71
72 Normalize_Menu(menu);
73 menu->pad = (unsigned char)pad;
74
75 if (do_refresh)
76 Refresh_Menu(menu);
77
78 RETURN(E_OK);
79 }
80
81 /*---------------------------------------------------------------------------
82 | Facility : libnmenu
83 | Function : int menu_pad(const MENU *menu)
84 |
85 | Description : Return the value of the padding character
86 |
87 | Return Values : The pad character
88 +--------------------------------------------------------------------------*/
89 MENU_EXPORT(int)
menu_pad(const MENU * menu)90 menu_pad(const MENU *menu)
91 {
92 T((T_CALLED("menu_pad(%p)"), (const void *)menu));
93 returnCode(Normalize_Menu(menu)->pad);
94 }
95
96 /* m_pad.c ends here */
97