NetBSD/lib/libform/post.c

117 lines
2.8 KiB
C

/* $NetBSD: post.c,v 1.8 2001/06/13 10:45:59 wiz Exp $ */
/*-
* Copyright (c) 1998-2000 Brett Lymn
* (blymn@baea.com.au, brett_lymn@yahoo.com.au)
* All rights reserved.
*
* This code has been donated to The NetBSD Foundation by the Author.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
*/
#include "form.h"
#include "internals.h"
/*
* Post the form to the screen.
*/
int
post_form(FORM *form)
{
int rows, cols, status;
if (form == NULL)
return E_BAD_ARGUMENT;
if (form->posted == 1)
return E_POSTED;
if ((form->fields == NULL) || (form->fields[0] == NULL))
return E_NOT_CONNECTED;
if (form->in_init == 1)
return E_BAD_STATE;
if (scale_form(form, &rows, &cols) != E_OK)
return E_SYSTEM_ERROR;
if ((form->scrwin != NULL) && ((rows > getmaxy(form->scrwin))
|| (cols > getmaxx(form->scrwin)))) {
return E_NO_ROOM;
}
#ifdef DEBUG
if (_formi_create_dbg_file() != E_OK)
return E_SYSTEM_ERROR;
#endif
form->in_init = 1;
if (form->form_init != NULL)
form->form_init(form);
if (form->field_init != NULL)
form->field_init(form);
form->in_init = 0;
_formi_pos_first_field(form);
if ((status = _formi_draw_page(form)) != E_OK)
return status;
form->posted = 1;
pos_form_cursor(form);
return E_OK;
}
/*
* Unpost the form from the screen
*/
int
unpost_form(FORM *form)
{
if (form == NULL)
return E_BAD_ARGUMENT;
if (form->posted != 1)
return E_NOT_POSTED;
if (form->in_init == 1)
return E_BAD_STATE;
form->in_init = 1;
if (form->field_term != NULL)
form->field_term(form);
if (form->form_term != NULL)
form->form_term(form);
form->in_init = 0;
wclear(form->scrwin);
form->posted = 0;
return E_OK;
}