- menu_hook - set hooks for automatic invocation by applica-
+ menu_hook - set hooks for automatic invocation by applica-
tions
SYNOPSIS
- #include<menu.h>
+ #include<menu.h>
int set_item_init(MENU *menu, void (*func)(MENU *));
void (*)(MENU *) item_init(const MENU *menu);
int set_item_term(MENU *menu, void (*func)(MENU *));
@@ -26,49 +69,49 @@
DESCRIPTION
These functions make it possible to set hook functions to
be called at various points in the automatic processing of
- input event codes by menu_driver.
+ input event codes by menu_driver.
- The function set_item_init sets a hook to be called at
+ The function set_item_init sets a hook to be called at
menu-post time and each time the selected item changes
- (after the change). item_init returns the current item
- init hook, if any (NULL if there is no such hook).
+ (after the change). item_init returns the current item
+ init hook, if any (NULL if there is no such hook).
- The function set_item_term sets a hook to be called at
+ The function set_item_term sets a hook to be called at
menu-unpost time and each time the selected item changes
- (before the change). item_term returns the current item
- term hook, if any (NULL if there is no such hook).
+ (before the change). item_term returns the current item
+ term hook, if any (NULL if there is no such hook).
- The function set_menu_init sets a hook to be called at
+ The function set_menu_init sets a hook to be called at
menu-post time and just after the top row on the menu
- changes once it is posted. menu_init returns the current
- menu init hook, if any (NULL if there is no such hook).
+ changes once it is posted. menu_init returns the current
+ menu init hook, if any (NULL if there is no such hook).
- The function set_menu_term sets a hook to be called at
+ The function set_menu_term sets a hook to be called at
menu-unpost time and just before the top row on the menu
- changes once it is posted. menu_term returns the current
- menu term hook, if any (NULL if there is no such hook).
+ changes once it is posted. menu_term returns the current
+ menu term hook, if any (NULL if there is no such hook).
RETURN VALUE
- Routines that return pointers return NULL on error. Other
+ Routines that return pointers return NULL on error. Other
routines return one of the following:
- E_OK The routine succeeded.
+ E_OK The routine succeeded.
- E_SYSTEM_ERROR
- System error occurred (see errno).
+ E_SYSTEM_ERROR
+ System error occurred (see errno).
- The header file <menu.h> automatically includes the header
- file <curses.h>.
+ The header file <menu.h> automatically includes the header
+ file <curses.h>.