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28
29/****************************************************************************
30 *   Author:  Juergen Pfeifer, 1995,1997                                    *
31 ****************************************************************************/
32
33#include "form.priv.h"
34
35MODULE_ID("$Id: frm_hook.c,v 1.16 2012/03/11 00:37:16 tom Exp $")
36
37/* "Template" macro to generate function to set application specific hook */
38#define GEN_HOOK_SET_FUNCTION( typ, name ) \
39NCURSES_IMPEXP int NCURSES_API set_ ## typ ## _ ## name (FORM *form, Form_Hook func)\
40{\
41   T((T_CALLED("set_" #typ"_"#name"(%p,%p)"), (void *) form, func));\
42   (Normalize_Form( form ) -> typ ## name) = func ;\
43   RETURN(E_OK);\
44}
45
46/* "Template" macro to generate function to get application specific hook */
47#define GEN_HOOK_GET_FUNCTION( typ, name ) \
48NCURSES_IMPEXP Form_Hook NCURSES_API typ ## _ ## name ( const FORM *form )\
49{\
50   T((T_CALLED(#typ "_" #name "(%p)"), (const void *) form));\
51   returnFormHook( Normalize_Form( form ) -> typ ## name );\
52}
53
54/*---------------------------------------------------------------------------
55|   Facility      :  libnform
56|   Function      :  int set_field_init(FORM *form, Form_Hook f)
57|
58|   Description   :  Assigns an application defined initialization function
59|                    to be called when the form is posted and just after
60|                    the current field changes.
61|
62|   Return Values :  E_OK      - success
63+--------------------------------------------------------------------------*/
64GEN_HOOK_SET_FUNCTION(field, init)
65
66/*---------------------------------------------------------------------------
67|   Facility      :  libnform
68|   Function      :  Form_Hook field_init(const FORM *form)
69|
70|   Description   :  Retrieve field initialization routine address.
71|
72|   Return Values :  The address or NULL if no hook defined.
73+--------------------------------------------------------------------------*/
74GEN_HOOK_GET_FUNCTION(field, init)
75
76/*---------------------------------------------------------------------------
77|   Facility      :  libnform
78|   Function      :  int set_field_term(FORM *form, Form_Hook f)
79|
80|   Description   :  Assigns an application defined finalization function
81|                    to be called when the form is unposted and just before
82|                    the current field changes.
83|
84|   Return Values :  E_OK      - success
85+--------------------------------------------------------------------------*/
86GEN_HOOK_SET_FUNCTION(field, term)
87
88/*---------------------------------------------------------------------------
89|   Facility      :  libnform
90|   Function      :  Form_Hook field_term(const FORM *form)
91|
92|   Description   :  Retrieve field finalization routine address.
93|
94|   Return Values :  The address or NULL if no hook defined.
95+--------------------------------------------------------------------------*/
96GEN_HOOK_GET_FUNCTION(field, term)
97
98/*---------------------------------------------------------------------------
99|   Facility      :  libnform
100|   Function      :  int set_form_init(FORM *form, Form_Hook f)
101|
102|   Description   :  Assigns an application defined initialization function
103|                    to be called when the form is posted and just after
104|                    a page change.
105|
106|   Return Values :  E_OK       - success
107+--------------------------------------------------------------------------*/
108GEN_HOOK_SET_FUNCTION(form, init)
109
110/*---------------------------------------------------------------------------
111|   Facility      :  libnform
112|   Function      :  Form_Hook form_init(const FORM *form)
113|
114|   Description   :  Retrieve form initialization routine address.
115|
116|   Return Values :  The address or NULL if no hook defined.
117+--------------------------------------------------------------------------*/
118GEN_HOOK_GET_FUNCTION(form, init)
119
120/*---------------------------------------------------------------------------
121|   Facility      :  libnform
122|   Function      :  int set_form_term(FORM *form, Form_Hook f)
123|
124|   Description   :  Assigns an application defined finalization function
125|                    to be called when the form is unposted and just before
126|                    a page change.
127|
128|   Return Values :  E_OK       - success
129+--------------------------------------------------------------------------*/
130GEN_HOOK_SET_FUNCTION(form, term)
131
132/*---------------------------------------------------------------------------
133|   Facility      :  libnform
134|   Function      :  Form_Hook form_term(const FORM *form)
135|
136|   Description   :  Retrieve form finalization routine address.
137|
138|   Return Values :  The address or NULL if no hook defined.
139+--------------------------------------------------------------------------*/
140GEN_HOOK_GET_FUNCTION(form, term)
141
142/* frm_hook.c ends here */
143