установить и получить параметры пункта меню (set and get menu item options)
Имя (Name)
set_item_opts
, item_opts_on
, item_opts_off
, item_opts
- set and
get menu item options
Синопсис (Synopsis)
#include <menu.h>
int set_item_opts(ITEM *
item, Item_Options
opts);
Item_Options item_opts(const ITEM *
item);
int item_opts_on(ITEM *
item, Item_Options
opts);
int item_opts_off(ITEM *
item, Item_Options
opts);
Описание (Description)
The function set_item_opts
sets all the given item's option bits
(menu option bits may be logically-OR'ed together).
The function item_opts_on
turns on the given option bits, and
leaves others alone.
The function item_opts_off
turns off the given option bits, and
leaves others alone.
The function item_opts
returns the item's current option bits.
There is only one defined option bit mask, O_SELECTABLE
. When
this is on, the item may be selected during menu processing.
This option defaults to on.
Возвращаемое значение (Return value)
Except for item_opts
, each routine returns one of the following:
E_OK
The routine succeeded.
E_SYSTEM_ERROR
System error occurred (see errno(3)).
Смотри также (See also)
curses
(3X), menu
(3X).
Примечание (Note)
The header file <menu.h>
automatically includes the header file
<curses.h>
.
Портативность (Portability)
These routines emulate the System V menu library. They were not
supported on Version 7 or BSD versions.