?? fld_current.c
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/**************************************************************************** * 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 */
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