1 /* $NetBSD: post.c,v 1.10 2016/03/09 19:47:13 christos Exp $ */
2
3 /*-
4 * Copyright (c) 1998-2000 Brett Lymn
5 * (blymn@baea.com.au, brett_lymn@yahoo.com.au)
6 * All rights reserved.
7 *
8 * This code has been donated to The NetBSD Foundation by the Author.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 *
30 */
31
32 #include <sys/cdefs.h>
33 __RCSID("$NetBSD: post.c,v 1.10 2016/03/09 19:47:13 christos Exp $");
34
35 #include "form.h"
36 #include "internals.h"
37
38 /*
39 * Post the form to the screen.
40 */
41 int
post_form(FORM * form)42 post_form(FORM *form)
43 {
44 int rows, cols, status;
45
46 if (form == NULL)
47 return E_BAD_ARGUMENT;
48
49 if (form->posted == 1)
50 return E_POSTED;
51
52 if ((form->fields == NULL) || (form->fields[0] == NULL))
53 return E_NOT_CONNECTED;
54
55 if (form->in_init == 1)
56 return E_BAD_STATE;
57
58 if (scale_form(form, &rows, &cols) != E_OK)
59 return E_SYSTEM_ERROR;
60
61 if ((form->scrwin != NULL) && ((rows > getmaxy(form->scrwin))
62 || (cols > getmaxx(form->scrwin)))) {
63 return E_NO_ROOM;
64 }
65
66 form->in_init = 1;
67 if (form->form_init != NULL)
68 form->form_init(form);
69
70 if (form->field_init != NULL)
71 form->field_init(form);
72 form->in_init = 0;
73
74 _formi_pos_first_field(form);
75 if ((status = _formi_draw_page(form)) != E_OK)
76 return status;
77
78 form->posted = 1;
79 pos_form_cursor(form);
80
81 return E_OK;
82 }
83
84 /*
85 * Unpost the form from the screen
86 */
87 int
unpost_form(FORM * form)88 unpost_form(FORM *form)
89 {
90
91 if (form == NULL)
92 return E_BAD_ARGUMENT;
93
94 if (form->posted != 1)
95 return E_NOT_POSTED;
96
97 if (form->in_init == 1)
98 return E_BAD_STATE;
99
100 form->in_init = 1;
101 if (form->field_term != NULL)
102 form->field_term(form);
103
104 if (form->form_term != NULL)
105 form->form_term(form);
106 form->in_init = 0;
107
108 wclear(form->scrwin);
109
110 form->posted = 0;
111
112 return E_OK;
113 }
114
115