/**************************************************************************** * Copyright (c) 1998-2002,2003 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, 1995,1997                                    * ****************************************************************************/#include "form.priv.h"MODULE_ID("$Id: fld_current.c,v 1.7 2003/10/25 15:17:08 tom 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+--------------------------------------------------------------------------*/NCURSES_EXPORT(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.+--------------------------------------------------------------------------*/NCURSES_EXPORT(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+--------------------------------------------------------------------------*/NCURSES_EXPORT(int)field_index (const FIELD * field){  return ( (field && field->form) ? field->index : -1 );}/* fld_current.c ends here */