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/****************************************************************************
* Copyright (c) 1998-2004,2010 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: frm_post.c,v 1.10 2010/01/23 21:14:36 tom Exp $")
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int post_form(FORM * form)
|
| Description : Writes the form into its associated subwindow.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid form pointer
| E_POSTED - form already posted
| E_NOT_CONNECTED - no fields connected to form
| E_NO_ROOM - form doesn't fit into subwindow
| E_SYSTEM_ERROR - system error
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
post_form(FORM *form)
{
WINDOW *formwin;
int err;
int page;
T((T_CALLED("post_form(%p)"), (void *)form));
if (!form)
RETURN(E_BAD_ARGUMENT);
if (form->status & _POSTED)
RETURN(E_POSTED);
if (!(form->field))
RETURN(E_NOT_CONNECTED);
formwin = Get_Form_Window(form);
if ((form->cols > getmaxx(formwin)) || (form->rows > getmaxy(formwin)))
RETURN(E_NO_ROOM);
/* reset form->curpage to an invald value. This forces Set_Form_Page
to do the page initialization which is required by post_form.
*/
page = form->curpage;
form->curpage = -1;
if ((err = _nc_Set_Form_Page(form, page, form->current)) != E_OK)
RETURN(err);
form->status |= _POSTED;
Call_Hook(form, forminit);
Call_Hook(form, fieldinit);
_nc_Refresh_Current_Field(form);
RETURN(E_OK);
}
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : int unpost_form(FORM * form)
|
| Description : Erase form from its associated subwindow.
|
| Return Values : E_OK - success
| E_BAD_ARGUMENT - invalid form pointer
| E_NOT_POSTED - form isn't posted
| E_BAD_STATE - called from a hook routine
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
unpost_form(FORM *form)
{
T((T_CALLED("unpost_form(%p)"), (void *)form));
if (!form)
RETURN(E_BAD_ARGUMENT);
if (!(form->status & _POSTED))
RETURN(E_NOT_POSTED);
if (form->status & _IN_DRIVER)
RETURN(E_BAD_STATE);
Call_Hook(form, fieldterm);
Call_Hook(form, formterm);
werase(Get_Form_Window(form));
delwin(form->w);
form->w = (WINDOW *)0;
form->status &= ~_POSTED;
RETURN(E_OK);
}
/* frm_post.c ends here */
|
