NetBSD/lib/libform/form_field_attributes.3

.\"	$NetBSD: form_field_attributes.3,v 1.9 2004/11/24 12:26:23 wiz Exp $
.\"
.\" Copyright (c) 2001
.\"	Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au
.\"
.\" This code is donated to The NetBSD Foundation by the author.
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.Dd January 1, 2001
.Dt FORMS 3
.Os
.Sh NAME
.Nm field_back ,
.Nm field_fore ,
.Nm field_pad ,
.Nm set_field_back ,
.Nm set_field_fore ,
.Nm set_field_pad
.Nd form library
.Sh LIBRARY
.Lb libform
.Sh SYNOPSIS
.In form.h
.Ft chtype
.Fn field_back "FIELD *field"
.Ft chtype
.Fn field_fore "FIELD *field"
.Ft int
.Fn field_pad "FIELD *field"
.Ft int
.Fn set_field_back "FIELD *field" "chtype attribute"
.Ft int
.Fn set_field_fore "FIELD *field" "chtype attribute"
.Ft int
.Fn set_field_pad "FIELD *field" "int pad"
.Sh DESCRIPTION
Calling the function
.Fn field_back
will return the character attributes that will be applied to a field
that is not the current field, these attributes can be set by the
.Fn set_field_back
function.
The
.Fn field_fore
function returns the character attributes that will be used to
indicate that a field is the currently active one on the form, this
attribute may be set by using the
.Fn set_field_fore
function.
The pad character for a field is the character that will be printed in all
field locations not occupied with actual field contents.
The pad character can be retrieved by calling the
.Fn field_pad
function, the pad character is set by using the
.Fn set_field_pad
function.
.Sh RETURN VALUES
Functions returning pointers will return
.Dv NULL
if an error is detected.
The functions that return an int will return one of the following error
values:
.Pp
.Bl -tag -width E_UNKNOWN_COMMAND -compact
.It Er E_OK
The function was successful.
.El
.Sh SEE ALSO
.Xr curses 3 ,
.Xr forms 3
.Sh NOTES
The header
.Aq Pa form.h
automatically includes both
.Aq Pa curses.h
and
.Aq Pa eti.h .