diff options
Diffstat (limited to 'form/fld_current.c')
| -rw-r--r-- | form/fld_current.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/form/fld_current.c b/form/fld_current.c new file mode 100644 index 000000000000..7c3a90af511d --- /dev/null +++ b/form/fld_current.c @@ -0,0 +1,137 @@ +/**************************************************************************** + * Copyright (c) 1998-2003,2004 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 1.11 2004/12/25 22:40:13 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; + + T((T_CALLED("set_current_field(%p,%p)"), form, field)); + if (form == 0 || field == 0) + { + RETURN(E_BAD_ARGUMENT); + } + else if ((form != field->form) || Field_Is_Not_Selectable(field)) + { + RETURN(E_REQUEST_DENIED); + } + else if ((form->status & _POSTED) == 0) + { + form->current = field; + form->curpage = field->page; + } + else + { + if ((form->status & _IN_DRIVER) != 0) + { + 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, (int)field->page, field); + Call_Hook(form, forminit); + } + else + { + err = _nc_Set_Current_Field(form, field); + } + Call_Hook(form, fieldinit); + (void)_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) +{ + T((T_CALLED("current_field(%p)"), form)); + returnField(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) +{ + T((T_CALLED("field_index(%p)"), field)); + returnCode((field != 0 && field->form != 0) ? (int)field->index : -1); +} + +/* fld_current.c ends here */ |