101 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Groff
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Groff
		
	
	
	
	
	
.\"	$NetBSD: form_field_attributes.3,v 1.10 2010/03/22 21:58:31 joerg 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.
 | 
						|
.\"
 | 
						|
.\" 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. Redistributions in binary form must reproduce the above copyright
 | 
						|
.\"    notice, this list of conditions and the following disclaimer in the
 | 
						|
.\"    documentation and/or other materials provided with the distribution.
 | 
						|
.\" 3. 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.
 | 
						|
.\"
 | 
						|
.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
 | 
						|
.In form.h
 | 
						|
automatically includes both
 | 
						|
.In curses.h
 | 
						|
and
 | 
						|
.In eti.h .
 |