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| Current File : //usr/src/contrib/ncurses/menu/m_hook.c |
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/****************************************************************************
* Author: Juergen Pfeifer, 1995,1997 *
****************************************************************************/
/***************************************************************************
* Module m_hook *
* Assign application specific routines for automatic invocation by menus *
***************************************************************************/
#include "menu.priv.h"
MODULE_ID("$Id: m_hook.c,v 1.14 2004/12/25 21:39:52 tom Exp $")
/* "Template" macro to generate function to set application specific hook */
#define GEN_HOOK_SET_FUNCTION( typ, name ) \
NCURSES_IMPEXP int NCURSES_API set_ ## typ ## _ ## name (MENU *menu, Menu_Hook func )\
{\
T((T_CALLED("set_" #typ "_" #name "(%p,%p)"), menu, func));\
(Normalize_Menu(menu) -> typ ## name = func );\
RETURN(E_OK);\
}
/* "Template" macro to generate function to get application specific hook */
#define GEN_HOOK_GET_FUNCTION( typ, name ) \
NCURSES_IMPEXP Menu_Hook NCURSES_API typ ## _ ## name ( const MENU *menu )\
{\
T((T_CALLED(#typ "_" #name "(%p)"), menu));\
returnMenuHook(Normalize_Menu(menu) -> typ ## name);\
}
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_menu_init(MENU *menu, void (*f)(MENU *))
|
| Description : Set user-exit which is called when menu is posted
| or just after the top row changes.
|
| Return Values : E_OK - success
+--------------------------------------------------------------------------*/
GEN_HOOK_SET_FUNCTION(menu, init)
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : void (*)(MENU *) menu_init(const MENU *menu)
|
| Description : Return address of user-exit function which is called
| when a menu is posted or just after the top row
| changes.
|
| Return Values : Menu init function address or NULL
+--------------------------------------------------------------------------*/
GEN_HOOK_GET_FUNCTION(menu, init)
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_menu_term (MENU *menu, void (*f)(MENU *))
|
| Description : Set user-exit which is called when menu is unposted
| or just before the top row changes.
|
| Return Values : E_OK - success
+--------------------------------------------------------------------------*/
GEN_HOOK_SET_FUNCTION(menu, term)
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : void (*)(MENU *) menu_term(const MENU *menu)
|
| Description : Return address of user-exit function which is called
| when a menu is unposted or just before the top row
| changes.
|
| Return Values : Menu finalization function address or NULL
+--------------------------------------------------------------------------*/
GEN_HOOK_GET_FUNCTION(menu, term)
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_item_init (MENU *menu, void (*f)(MENU *))
|
| Description : Set user-exit which is called when menu is posted
| or just after the current item changes.
|
| Return Values : E_OK - success
+--------------------------------------------------------------------------*/
GEN_HOOK_SET_FUNCTION(item, init)
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : void (*)(MENU *) item_init (const MENU *menu)
|
| Description : Return address of user-exit function which is called
| when a menu is posted or just after the current item
| changes.
|
| Return Values : Item init function address or NULL
+--------------------------------------------------------------------------*/
GEN_HOOK_GET_FUNCTION(item, init)
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : int set_item_term (MENU *menu, void (*f)(MENU *))
|
| Description : Set user-exit which is called when menu is unposted
| or just before the current item changes.
|
| Return Values : E_OK - success
+--------------------------------------------------------------------------*/
GEN_HOOK_SET_FUNCTION(item, term)
/*---------------------------------------------------------------------------
| Facility : libnmenu
| Function : void (*)(MENU *) item_init (const MENU *menu)
|
| Description : Return address of user-exit function which is called
| when a menu is unposted or just before the current item
| changes.
|
| Return Values : Item finalization function address or NULL
+--------------------------------------------------------------------------*/
GEN_HOOK_GET_FUNCTION(item, term)
/* m_hook.c ends here */