121 lines
2.9 KiB
C
121 lines
2.9 KiB
C
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/* $NetBSD: post.c,v 1.1 2000/12/17 12:04:30 blymn Exp $ */
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/*-
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* Copyright (c) 1998-2000 Brett Lymn
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* (blymn@baea.com.au, brett_lymn@yahoo.com.au)
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* All rights reserved.
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*
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* This code has been donated to The NetBSD Foundation by the Author.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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*/
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#include "form.h"
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#include "internals.h"
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/*
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* Post the form to the screen.
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*/
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int
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post_form(FORM *form)
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{
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int rows, cols, status;
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if ((form == NULL) || (form->win == NULL))
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return E_BAD_ARGUMENT;
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if (form->posted == 1)
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return E_POSTED;
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if ((form->fields == NULL) || (form->fields[0] == NULL))
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return E_NOT_CONNECTED;
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if (form->in_init == 1)
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return E_BAD_STATE;
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if (scale_form(form, &rows, &cols) != E_OK)
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return E_SYSTEM_ERROR;
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if ((form->subwin != NULL) && ((rows > getmaxy(form->subwin))
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|| (cols > getmaxx(form->subwin)))) {
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return E_NO_ROOM;
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}
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if (form->subwin == NULL) {
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form->subwin_created = 1;
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form->subwin = derwin(form->win, rows, cols, 0, 0);
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if (form->subwin == NULL)
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return E_SYSTEM_ERROR;
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}
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form->in_init = 1;
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if (form->form_init != NULL)
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form->form_init(form);
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if (form->field_init != NULL)
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form->field_init(form);
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form->in_init = 0;
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if ((status = _formi_draw_page(form)) != E_OK)
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return status;
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form->posted = 1;
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return E_OK;
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}
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/*
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* Unpost the form from the screen
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*/
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int
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unpost_form(FORM *form)
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{
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if (form == NULL)
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return E_BAD_ARGUMENT;
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if (form->posted != 1)
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return E_NOT_POSTED;
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if (form->in_init == 1)
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return E_BAD_STATE;
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form->in_init = 1;
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if (form->field_term != NULL)
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form->field_term(form);
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if (form->form_term != NULL)
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form->form_term(form);
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form->in_init = 0;
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wclear(form->subwin);
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if (form->subwin_created == 1) {
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delwin(form->subwin);
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form->subwin_created = 0;
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}
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form->posted = 0;
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return E_OK;
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}
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