xref: /minix/lib/libform/form_post.3 (revision 00b67f09)
1.\"	$NetBSD: form_post.3,v 1.10 2010/03/22 21:58:31 joerg Exp $
2.\"
3.\" Copyright (c) 2001
4.\"	Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au
5.\"
6.\" This code is donated to The NetBSD Foundation by the author.
7.\"
8.\" Redistribution and use in source and binary forms, with or without
9.\" modification, are permitted provided that the following conditions
10.\" are met:
11.\" 1. Redistributions of source code must retain the above copyright
12.\"    notice, this list of conditions and the following disclaimer.
13.\" 2. Redistributions in binary form must reproduce the above copyright
14.\"    notice, this list of conditions and the following disclaimer in the
15.\"    documentation and/or other materials provided with the distribution.
16.\" 3. The name of the Author may not be used to endorse or promote
17.\"    products derived from this software without specific prior written
18.\"    permission.
19.\"
20.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE
24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.Dd January 1, 2001
33.Dt FORMS 3
34.Os
35.Sh NAME
36.Nm post_form ,
37.Nm unpost_form
38.Nd form library
39.Sh LIBRARY
40.Lb libform
41.Sh SYNOPSIS
42.In form.h
43.Ft int
44.Fn post_form "FORM *form"
45.Ft int
46.Fn unpost_form "FORM *form"
47.Sh DESCRIPTION
48The
49.Fn post_form
50function performs the actions necessary to present the form on the
51curses screen.
52If there are any init functions that need to be called
53then they will be called prior to the form being posted and the cursor
54will be positioned on the first active field that can be visited.
55Conversely, the function
56.Fn unpost_form
57removes the form from the screen and calls any termination functions
58that were specified.
59.Sh RETURN VALUES
60The functions will return one of the following error values:
61.Pp
62.Bl -tag -width E_UNKNOWN_COMMAND -compact
63.It Er E_OK
64The function was successful.
65.It Er E_BAD_ARGUMENT
66A bad argument was passed to the function.
67.It Er E_POSTED
68The form is already posted to the screen.
69.It Er E_NOT_POSTED
70The form was not posted to the screen.
71.It Er E_NOT_CONNECTED
72There are no fields associated with the form.
73.It Er E_BAD_STATE
74The function was called from within a init or term function.
75.El
76.Sh SEE ALSO
77.Xr curses 3 ,
78.Xr forms 3
79.Sh NOTES
80The header
81.In form.h
82automatically includes both
83.In curses.h
84and
85.In eti.h .
86