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| Current File : //usr/src/contrib/ncurses/form/frm_hook.c |
/****************************************************************************
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/****************************************************************************
* Author: Juergen Pfeifer, 1995,1997 *
****************************************************************************/
#include "form.priv.h"
MODULE_ID("$Id: frm_hook.c,v 1.14 2004/12/25 22:37:27 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 (FORM *form, Form_Hook func)\
{\
T((T_CALLED("set_" #typ"_"#name"(%p,%p)"), form, func));\
(Normalize_Form( form ) -> 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 Form_Hook NCURSES_API typ ## _ ## name ( const FORM *form )\
{\
T((T_CALLED(#typ "_" #name "(%p)"), form));\
returnFormHook( Normalize_Form( form ) -> typ ## name );\
}
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int set_field_init(FORM *form, Form_Hook f)
|
| Description : Assigns an application defined initialization function
| to be called when the form is posted and just after
| the current field changes.
|
| Return Values : E_OK - success
+--------------------------------------------------------------------------*/
GEN_HOOK_SET_FUNCTION(field, init)
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : Form_Hook field_init(const FORM *form)
|
| Description : Retrieve field initialization routine address.
|
| Return Values : The address or NULL if no hook defined.
+--------------------------------------------------------------------------*/
GEN_HOOK_GET_FUNCTION(field, init)
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int set_field_term(FORM *form, Form_Hook f)
|
| Description : Assigns an application defined finalization function
| to be called when the form is unposted and just before
| the current field changes.
|
| Return Values : E_OK - success
+--------------------------------------------------------------------------*/
GEN_HOOK_SET_FUNCTION(field, term)
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : Form_Hook field_term(const FORM *form)
|
| Description : Retrieve field finalization routine address.
|
| Return Values : The address or NULL if no hook defined.
+--------------------------------------------------------------------------*/
GEN_HOOK_GET_FUNCTION(field, term)
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int set_form_init(FORM *form, Form_Hook f)
|
| Description : Assigns an application defined initialization function
| to be called when the form is posted and just after
| a page change.
|
| Return Values : E_OK - success
+--------------------------------------------------------------------------*/
GEN_HOOK_SET_FUNCTION(form, init)
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : Form_Hook form_init(const FORM *form)
|
| Description : Retrieve form initialization routine address.
|
| Return Values : The address or NULL if no hook defined.
+--------------------------------------------------------------------------*/
GEN_HOOK_GET_FUNCTION(form, init)
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int set_form_term(FORM *form, Form_Hook f)
|
| Description : Assigns an application defined finalization function
| to be called when the form is unposted and just before
| a page change.
|
| Return Values : E_OK - success
+--------------------------------------------------------------------------*/
GEN_HOOK_SET_FUNCTION(form, term)
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : Form_Hook form_term(const FORM *form)
|
| Description : Retrieve form finalization routine address.
|
| Return Values : The address or NULL if no hook defined.
+--------------------------------------------------------------------------*/
GEN_HOOK_GET_FUNCTION(form, term)
/* frm_hook.c ends here */