150 lines
7.2 KiB
C
150 lines
7.2 KiB
C
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/****************************************************************************
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* Copyright (c) 1998 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
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****************************************************************************/
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/***************************************************************************
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* Module m_hook *
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* Assign application specific routines for automatic invocation by menus *
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***************************************************************************/
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#include "menu.priv.h"
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MODULE_ID("$Id: m_hook.c,v 1.8 1999/05/16 17:25:24 juergen Exp $")
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/* "Template" macro to generate function to set application specific hook */
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#define GEN_HOOK_SET_FUNCTION( typ, name ) \
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int set_ ## typ ## _ ## name (MENU *menu, Menu_Hook func )\
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{\
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(Normalize_Menu(menu) -> typ ## name = func );\
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RETURN(E_OK);\
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}
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/* "Template" macro to generate function to get application specific hook */
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#define GEN_HOOK_GET_FUNCTION( typ, name ) \
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Menu_Hook typ ## _ ## name ( const MENU *menu )\
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{\
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return (Normalize_Menu(menu) -> typ ## name);\
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}
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_menu_init(MENU *menu, void (*f)(MENU *))
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| Description : Set user-exit which is called when menu is posted
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| or just after the top row changes.
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| Return Values : E_OK - success
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+--------------------------------------------------------------------------*/
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GEN_HOOK_SET_FUNCTION( menu, init )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : void (*)(MENU *) menu_init(const MENU *menu)
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| Description : Return address of user-exit function which is called
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| when a menu is posted or just after the top row
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| changes.
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| Return Values : Menu init function address or NULL
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+--------------------------------------------------------------------------*/
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GEN_HOOK_GET_FUNCTION( menu, init )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_menu_term (MENU *menu, void (*f)(MENU *))
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| Description : Set user-exit which is called when menu is unposted
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| or just before the top row changes.
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| Return Values : E_OK - success
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+--------------------------------------------------------------------------*/
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GEN_HOOK_SET_FUNCTION( menu, term )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : void (*)(MENU *) menu_term(const MENU *menu)
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| Description : Return address of user-exit function which is called
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| when a menu is unposted or just before the top row
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| changes.
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| Return Values : Menu finalization function address or NULL
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+--------------------------------------------------------------------------*/
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GEN_HOOK_GET_FUNCTION( menu, term )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_item_init (MENU *menu, void (*f)(MENU *))
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| Description : Set user-exit which is called when menu is posted
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| or just after the current item changes.
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| Return Values : E_OK - success
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+--------------------------------------------------------------------------*/
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GEN_HOOK_SET_FUNCTION( item, init )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : void (*)(MENU *) item_init (const MENU *menu)
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| Description : Return address of user-exit function which is called
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| when a menu is posted or just after the current item
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| changes.
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| Return Values : Item init function address or NULL
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+--------------------------------------------------------------------------*/
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GEN_HOOK_GET_FUNCTION( item, init )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : int set_item_term (MENU *menu, void (*f)(MENU *))
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| Description : Set user-exit which is called when menu is unposted
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| or just before the current item changes.
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| Return Values : E_OK - success
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+--------------------------------------------------------------------------*/
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GEN_HOOK_SET_FUNCTION( item, term )
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/*---------------------------------------------------------------------------
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| Facility : libnmenu
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| Function : void (*)(MENU *) item_init (const MENU *menu)
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| Description : Return address of user-exit function which is called
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| when a menu is unposted or just before the current item
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| changes.
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| Return Values : Item finalization function address or NULL
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+--------------------------------------------------------------------------*/
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GEN_HOOK_GET_FUNCTION( item, term )
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/* m_hook.c ends here */
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