source: trunk/ncurses/menu/m_hook.c@ 2659

Last change on this file since 2659 was 2621, checked in by bird, 20 years ago

GNU ncurses 5.5
File size: 7.3 KB
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1/****************************************************************************
2 * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. *
3 * *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
22 * *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
28
29/****************************************************************************
30 * Author: Juergen Pfeifer, 1995,1997 *
31 ****************************************************************************/
32
33/***************************************************************************
34* Module m_hook *
35* Assign application specific routines for automatic invocation by menus *
36***************************************************************************/
37
38#include "menu.priv.h"
39
40MODULE_ID("$Id: m_hook.c,v 1.14 2004/12/25 21:39:52 tom Exp $")
41
42/* "Template" macro to generate function to set application specific hook */
43#define GEN_HOOK_SET_FUNCTION( typ, name ) \
44NCURSES_IMPEXP int NCURSES_API set_ ## typ ## _ ## name (MENU *menu, Menu_Hook func )\
45{\
46 T((T_CALLED("set_" #typ "_" #name "(%p,%p)"), menu, func));\
47 (Normalize_Menu(menu) -> typ ## name = func );\
48 RETURN(E_OK);\
49}
50
51/* "Template" macro to generate function to get application specific hook */
52#define GEN_HOOK_GET_FUNCTION( typ, name ) \
53NCURSES_IMPEXP Menu_Hook NCURSES_API typ ## _ ## name ( const MENU *menu )\
54{\
55 T((T_CALLED(#typ "_" #name "(%p)"), menu));\
56 returnMenuHook(Normalize_Menu(menu) -> typ ## name);\
57}
58
59/*---------------------------------------------------------------------------
60| Facility : libnmenu
61| Function : int set_menu_init(MENU *menu, void (*f)(MENU *))
62|
63| Description : Set user-exit which is called when menu is posted
64| or just after the top row changes.
65|
66| Return Values : E_OK - success
67+--------------------------------------------------------------------------*/
68GEN_HOOK_SET_FUNCTION(menu, init)
69
70/*---------------------------------------------------------------------------
71| Facility : libnmenu
72| Function : void (*)(MENU *) menu_init(const MENU *menu)
73|
74| Description : Return address of user-exit function which is called
75| when a menu is posted or just after the top row
76| changes.
77|
78| Return Values : Menu init function address or NULL
79+--------------------------------------------------------------------------*/
80GEN_HOOK_GET_FUNCTION(menu, init)
81
82/*---------------------------------------------------------------------------
83| Facility : libnmenu
84| Function : int set_menu_term (MENU *menu, void (*f)(MENU *))
85|
86| Description : Set user-exit which is called when menu is unposted
87| or just before the top row changes.
88|
89| Return Values : E_OK - success
90+--------------------------------------------------------------------------*/
91GEN_HOOK_SET_FUNCTION(menu, term)
92
93/*---------------------------------------------------------------------------
94| Facility : libnmenu
95| Function : void (*)(MENU *) menu_term(const MENU *menu)
96|
97| Description : Return address of user-exit function which is called
98| when a menu is unposted or just before the top row
99| changes.
100|
101| Return Values : Menu finalization function address or NULL
102+--------------------------------------------------------------------------*/
103GEN_HOOK_GET_FUNCTION(menu, term)
104
105/*---------------------------------------------------------------------------
106| Facility : libnmenu
107| Function : int set_item_init (MENU *menu, void (*f)(MENU *))
108|
109| Description : Set user-exit which is called when menu is posted
110| or just after the current item changes.
111|
112| Return Values : E_OK - success
113+--------------------------------------------------------------------------*/
114GEN_HOOK_SET_FUNCTION(item, init)
115
116/*---------------------------------------------------------------------------
117| Facility : libnmenu
118| Function : void (*)(MENU *) item_init (const MENU *menu)
119|
120| Description : Return address of user-exit function which is called
121| when a menu is posted or just after the current item
122| changes.
123|
124| Return Values : Item init function address or NULL
125+--------------------------------------------------------------------------*/
126GEN_HOOK_GET_FUNCTION(item, init)
127
128/*---------------------------------------------------------------------------
129| Facility : libnmenu
130| Function : int set_item_term (MENU *menu, void (*f)(MENU *))
131|
132| Description : Set user-exit which is called when menu is unposted
133| or just before the current item changes.
134|
135| Return Values : E_OK - success
136+--------------------------------------------------------------------------*/
137GEN_HOOK_SET_FUNCTION(item, term)
138
139/*---------------------------------------------------------------------------
140| Facility : libnmenu
141| Function : void (*)(MENU *) item_init (const MENU *menu)
142|
143| Description : Return address of user-exit function which is called
144| when a menu is unposted or just before the current item
145| changes.
146|
147| Return Values : Item finalization function address or NULL
148+--------------------------------------------------------------------------*/
149GEN_HOOK_GET_FUNCTION(item, term)
150
151/* m_hook.c ends here */
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