freebsd-dev/contrib/ncurses/form/frm_hook.c
Peter Wemm 0e3d540892 Import unmodified (but trimmed) ncurses 5.0 prerelease 990821.
This contains the full eti (panel, form, menu) extensions.
bmake glue to follow.

Obtained from:	ftp://ftp.clark.net/pub/dickey/ncurses
1999-08-24 01:06:48 +00:00

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/****************************************************************************
* Copyright (c) 1998 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
****************************************************************************/
#include "form.priv.h"
MODULE_ID("$Id: frm_hook.c,v 1.8 1999/05/16 17:21:04 juergen Exp $")
/* "Template" macro to generate function to set application specific hook */
#define GEN_HOOK_SET_FUNCTION( typ, name ) \
int set_ ## typ ## _ ## name (FORM *form, Form_Hook 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 ) \
Form_Hook typ ## _ ## name ( const FORM *form )\
{\
return ( 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 */