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/* $OpenBSD: frm_post.c,v 1.1 1997/12/03 05:40:14 millert Exp $ */
/*-----------------------------------------------------------------------------+
| The ncurses form library is Copyright (C) 1995-1997 |
| by Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> |
| All Rights Reserved. |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, provided |
| that the above copyright notice appear in all copies and that both that |
| copyright notice and this permission notice appear in supporting |
| documentation, and that the name of the above listed copyright holder(s) not |
| be used in advertising or publicity pertaining to distribution of the |
| software without specific, written prior permission. |
| |
| THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO |
| THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT- |
| NESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR |
| ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RE- |
| SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
| NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH |
| THE USE OR PERFORMANCE OF THIS SOFTWARE. |
+-----------------------------------------------------------------------------*/
#include "form.priv.h"
MODULE_ID("Id: frm_post.c,v 1.1 1997/10/21 13:24:19 juergen 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
+--------------------------------------------------------------------------*/
int post_form(FORM * form)
{
WINDOW *formwin;
int err;
int page;
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
+--------------------------------------------------------------------------*/
int unpost_form(FORM * 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 */
|
