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/* $OpenBSD: fld_current.c,v 1.1 1997/12/03 05:39:51 millert Exp $ */
/*-----------------------------------------------------------------------------+
| The ncurses form library is Copyright (C) 1995-1997 |
| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
| All Rights Reserved. |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, provided |
| that the above copyright notice appear in all copies and that both that |
| copyright notice and this permission notice appear in supporting |
| documentation, and that the name of the above listed copyright holder(s) not |
| be used in advertising or publicity pertaining to distribution of the |
| software without specific, written prior permission. |
| |
| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
+-----------------------------------------------------------------------------*/
#include "form.priv.h"
MODULE_ID("Id: fld_current.c,v 1.1 1997/10/21 13:24:19 juergen Exp $")
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int set_current_field(FORM * form,FIELD * field)
|
| Description : Set the current field of the form to the specified one.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid form or field pointer
| E_REQUEST_DENIED - field not selectable
| E_BAD_STATE - called from a hook routine
| E_INVALID_FIELD - current field can't be left
| E_SYSTEM_ERROR - system error
+--------------------------------------------------------------------------*/
int set_current_field(FORM * form, FIELD * field)
{
int err = E_OK;
if ( !form || !field )
RETURN(E_BAD_ARGUMENT);
if ( (form != field->form) || Field_Is_Not_Selectable(field) )
RETURN(E_REQUEST_DENIED);
if (!(form->status & _POSTED))
{
form->current = field;
form->curpage = field->page;
}
else
{
if (form->status & _IN_DRIVER)
err = E_BAD_STATE;
else
{
if (form->current != field)
{
if (!_nc_Internal_Validation(form))
err = E_INVALID_FIELD;
else
{
Call_Hook(form,fieldterm);
if (field->page != form->curpage)
{
Call_Hook(form,formterm);
err = _nc_Set_Form_Page(form,field->page,field);
Call_Hook(form,forminit);
}
else
{
err = _nc_Set_Current_Field(form,field);
}
Call_Hook(form,fieldinit);
_nc_Refresh_Current_Field(form);
}
}
}
}
RETURN(err);
}
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : FIELD *current_field(const FORM * form)
|
| Description : Return the current field.
|
| Return Values : Pointer to the current field.
+--------------------------------------------------------------------------*/
FIELD *current_field(const FORM * form)
{
return Normalize_Form(form)->current;
}
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int field_index(const FIELD * field)
|
| Description : Return the index of the field in the field-array of
| the form.
|
| Return Values : >= 0 : field index
| -1 : fieldpointer invalid or field not connected
+--------------------------------------------------------------------------*/
int field_index(const FIELD * field)
{
return ( (field && field->form) ? field->index : -1 );
}
/* fld_current.c ends here */
|
