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/* $OpenBSD: fld_current.c,v 1.6 2015/01/23 22:48:51 krw Exp $ */ |
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/**************************************************************************** |
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* Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. * |
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* * |
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* Permission is hereby granted, free of charge, to any person obtaining a * |
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* copy of this software and associated documentation files (the * |
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* "Software"), to deal in the Software without restriction, including * |
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* without limitation the rights to use, copy, modify, merge, publish, * |
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* distribute, distribute with modifications, sublicense, and/or sell * |
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* copies of the Software, and to permit persons to whom the Software is * |
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* furnished to do so, subject to the following conditions: * |
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* * |
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* The above copyright notice and this permission notice shall be included * |
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* in all copies or substantial portions of the Software. * |
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* * |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
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* * |
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* Except as contained in this notice, the name(s) of the above copyright * |
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* holders shall not be used in advertising or otherwise to promote the * |
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* sale, use or other dealings in this Software without prior written * |
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* authorization. * |
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****************************************************************************/ |
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/**************************************************************************** |
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* Author: Juergen Pfeifer, 1995,1997 * |
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****************************************************************************/ |
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#include "form.priv.h" |
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MODULE_ID("$Id: fld_current.c,v 1.6 2015/01/23 22:48:51 krw Exp $") |
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/*--------------------------------------------------------------------------- |
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| Facility : libnform |
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| Function : int set_current_field(FORM * form,FIELD * field) |
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| |
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| Description : Set the current field of the form to the specified one. |
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| |
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| Return Values : E_OK - success |
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| E_BAD_ARGUMENT - invalid form or field pointer |
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| E_REQUEST_DENIED - field not selectable |
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| E_BAD_STATE - called from a hook routine |
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| E_INVALID_FIELD - current field can't be left |
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| E_SYSTEM_ERROR - system error |
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+--------------------------------------------------------------------------*/ |
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NCURSES_EXPORT(int) |
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set_current_field(FORM *form, FIELD *field) |
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{ |
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int err = E_OK; |
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T((T_CALLED("set_current_field(%p,%p)"), form, field)); |
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if (form == 0 || field == 0) |
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{ |
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RETURN(E_BAD_ARGUMENT); |
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} |
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else if ((form != field->form) || Field_Is_Not_Selectable(field)) |
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{ |
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RETURN(E_REQUEST_DENIED); |
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} |
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else if ((form->status & _POSTED) == 0) |
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{ |
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form->current = field; |
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form->curpage = field->page; |
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} |
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else |
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{ |
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if ((form->status & _IN_DRIVER) != 0) |
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{ |
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err = E_BAD_STATE; |
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} |
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else |
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{ |
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if (form->current != field) |
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{ |
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if (!_nc_Internal_Validation(form)) |
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{ |
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err = E_INVALID_FIELD; |
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} |
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else |
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{ |
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Call_Hook(form, fieldterm); |
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if (field->page != form->curpage) |
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{ |
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Call_Hook(form, formterm); |
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err = _nc_Set_Form_Page(form, (int)field->page, field); |
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Call_Hook(form, forminit); |
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} |
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else |
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{ |
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err = _nc_Set_Current_Field(form, field); |
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} |
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Call_Hook(form, fieldinit); |
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(void)_nc_Refresh_Current_Field(form); |
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} |
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} |
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} |
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} |
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RETURN(err); |
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} |
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/*--------------------------------------------------------------------------- |
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| Facility : libnform |
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| Function : FIELD *current_field(const FORM * form) |
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| Description : Return the current field. |
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| Return Values : Pointer to the current field. |
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+--------------------------------------------------------------------------*/ |
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NCURSES_EXPORT(FIELD *) |
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current_field(const FORM *form) |
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{ |
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T((T_CALLED("current_field(%p)"), form)); |
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returnField(Normalize_Form(form)->current); |
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} |
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/*--------------------------------------------------------------------------- |
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| Facility : libnform |
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| Function : int field_index(const FIELD * field) |
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| Description : Return the index of the field in the field-array of |
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| the form. |
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| Return Values : >= 0 : field index |
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| -1 : fieldpointer invalid or field not connected |
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+--------------------------------------------------------------------------*/ |
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NCURSES_EXPORT(int) |
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field_index(const FIELD *field) |
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{ |
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T((T_CALLED("field_index(%p)"), field)); |
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returnCode((field != 0 && field->form != 0) ? (int)field->index : -1); |
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} |
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/* fld_current.c ends here */ |