1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/* $OpenBSD: m_opts.c,v 1.3 1997/12/03 05:31:24 millert Exp $ */
/*-----------------------------------------------------------------------------+
| The ncurses menu library is Copyright (C) 1995-1997 |
| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
| All Rights Reserved. |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, provided |
| that the above copyright notice appear in all copies and that both that |
| copyright notice and this permission notice appear in supporting |
| documentation, and that the name of the above listed copyright holder(s) not |
| be used in advertising or publicity pertaining to distribution of the |
| software without specific, written prior permission. |
| |
| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
+-----------------------------------------------------------------------------*/
/***************************************************************************
* Module m_opts *
* Menus option routines *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("Id: m_opts.c,v 1.7 1997/10/21 08:44:31 juergen Exp $")
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_menu_opts(MENU *menu, Menu_Options opts)
|
| Description : Set the options for this menu. If the new settings
| end up in a change of the geometry of the menu, it
| will be recalculated. This operation is forbidden if
| the menu is already posted.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid menu options
| E_POSTED - menu is already posted
+--------------------------------------------------------------------------*/
int set_menu_opts(MENU * menu, Menu_Options opts)
{
if (opts & ~ALL_MENU_OPTS)
RETURN(E_BAD_ARGUMENT);
if (menu)
{
if ( menu->status & _POSTED )
RETURN(E_POSTED);
if ( (opts&O_ROWMAJOR) != (menu->opt&O_ROWMAJOR))
{
/* we need this only if the layout really changed ... */
if (menu->items && menu->items[0])
{
menu->toprow = 0;
menu->curitem = menu->items[0];
assert(menu->curitem);
set_menu_format( menu, menu->frows, menu->fcols );
}
}
menu->opt = opts;
if (opts & O_ONEVALUE)
{
ITEM **item;
if ( ((item=menu->items) != (ITEM**)0) )
for(;*item;item++)
(*item)->value = FALSE;
}
if (opts & O_SHOWDESC) /* this also changes the geometry */
_nc_Calculate_Item_Length_and_Width( menu );
}
else
_nc_Default_Menu.opt = opts;
RETURN(E_OK);
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int menu_opts_off(MENU *menu, Menu_Options opts)
|
| Description : Switch off the options for this menu. If the new settings
| end up in a change of the geometry of the menu, it
| will be recalculated. This operation is forbidden if
| the menu is already posted.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid options
| E_POSTED - menu is already posted
+--------------------------------------------------------------------------*/
int menu_opts_off(MENU *menu, Menu_Options opts)
{
MENU *cmenu = menu; /* use a copy because set_menu_opts must detect
NULL menu itself to adjust its behaviour */
if (opts & ~ALL_MENU_OPTS)
RETURN(E_BAD_ARGUMENT);
else
{
Normalize_Menu(cmenu);
opts = cmenu->opt & ~opts;
return set_menu_opts( menu, opts );
}
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int menu_opts_on(MENU *menu, Menu_Options opts)
|
| Description : Switch on the options for this menu. If the new settings
| end up in a change of the geometry of the menu, it
| will be recalculated. This operation is forbidden if
| the menu is already posted.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid menu options
| E_POSTED - menu is already posted
+--------------------------------------------------------------------------*/
int menu_opts_on(MENU * menu, Menu_Options opts)
{
MENU *cmenu = menu; /* use a copy because set_menu_opts must detect
NULL menu itself to adjust its behaviour */
if (opts & ~ALL_MENU_OPTS)
RETURN(E_BAD_ARGUMENT);
else
{
Normalize_Menu(cmenu);
opts = cmenu->opt | opts;
return set_menu_opts(menu, opts);
}
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : Menu_Options menu_opts(const MENU *menu)
|
| Description : Return the options for this menu.
|
| Return Values : Menu options
+--------------------------------------------------------------------------*/
Menu_Options menu_opts(const MENU *menu)
{
return (ALL_MENU_OPTS & Normalize_Menu( menu )->opt);
}
/* m_opts.c ends here */
|
