MENU_HOOK(3CURSES)MENU_HOOK(3CURSES)NAME
menu_hook, set_item_init, item_init, set_item_term, item_term,
set_menu_init, menu_init, set_menu_term, menu_term - assign applica‐
tion-specific routines for automatic invocation by menus
SYNOPSIS
cc [ flag... ] file... -lmenu-lcurses [ library... ]
#include <menu.h>
int set_item_init(MENU *menu, void (*func)(MENU *));
int set_item_term(MENU *menu, void (*func)(MENU *));
void item_term(MENU *menu);
int set_menu_init(MENU *menu, void (*func)(MENU *));
void menu_init(MENU *menu);
int set_menu_term(MENU *menu, void (*func)(MENU *));
void menu_term(MENU *menu);
DESCRIPTIONset_item_init() assigns the application-defined function to be called
when the menu is posted and just after the current item changes.
item_init() returns a pointer to the item initialization routine, if
any, called when the menu is posted and just after the current item
changes.
set_item_term() assigns an application-defined function to be called
when the menu is unposted and just before the current item changes.
item_term() returns a pointer to the termination function, if any,
called when the menu is unposted and just before the current item
changes.
set_menu_init() assigns an application-defined function to be called
when the menu is posted and just after the top row changes on a posted
menu. menu_init() returns a pointer to the menu initialization rou‐
tine, if any, called when the menu is posted and just after the top row
changes on a posted menu.
set_menu_term() assigns an application-defined function to be called
when the menu is unposted and just before the top row changes on a
posted menu. menu_term() returns a pointer to the menu termination rou‐
tine, if any, called when the menu is unposted and just before the top
row changes on a posted menu.
RETURN VALUES
Routines that return pointers always return NULL on error. Routines
that return an integer return one of the following:
E_OK
The routine returned successfully.
E_SYSTEM_ERROR
System error.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌───────────────┬─────────────────┐
│ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├───────────────┼─────────────────┤
│MT-Level │ Unsafe │
└───────────────┴─────────────────┘
SEE ALSOcurses(3CURSES), menus(3CURSES), attributes(5)NOTES
The header <menu.h> automatically includes the headers <eti.h> and
<curses.h>.
Dec 31, 1996 MENU_HOOK(3CURSES)