118 lines
3.3 KiB
Groff
118 lines
3.3 KiB
Groff
|
.\" $NetBSD: form_field_new.3,v 1.11 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 dup_field ,
|
||
|
|
.Nm free_field ,
|
||
|
|
.Nm link_field ,
|
||
|
|
.Nm new_field
|
||
|
|
.Nd form library
|
||
|
|
.Sh LIBRARY
|
||
|
|
.Lb libform
|
||
|
|
.Sh SYNOPSIS
|
||
|
|
.In form.h
|
||
|
|
.Ft FIELD *
|
||
|
|
.Fn dup_field "FIELD *field" "int frow" "int fcol"
|
||
|
|
.Ft int
|
||
|
|
.Fn free_field "FIELD *field"
|
||
|
|
.Ft FIELD *
|
||
|
|
.Fn link_field "FIELD *field" "int frow" "int fcol"
|
||
|
|
.Ft FIELD *
|
||
|
|
.Fo new_field
|
||
|
|
.Fa "int rows"
|
||
|
|
.Fa "int cols"
|
||
|
|
.Fa "int frow"
|
||
|
|
.Fa "int fcol"
|
||
|
|
.Fa "int nrows"
|
||
|
|
.Fa "int nbuf"
|
||
|
|
.Fc
|
||
|
|
.Sh DESCRIPTION
|
||
|
|
The
|
||
|
|
.Fn dup_field
|
||
|
|
function duplicates the given field, including any buffers associated
|
||
|
|
with the field and returns the pointer to the newly created field.
|
||
|
|
.Fn free_field
|
||
|
|
destroys the field and frees any allocated resources associated with
|
||
|
|
the field.
|
||
|
|
The function
|
||
|
|
.Fn link_field
|
||
|
|
copies the given field to a new field at the location
|
||
|
|
.Fa frow
|
||
|
|
and
|
||
|
|
.Fa fcol
|
||
|
|
but shares the buffers with the original field.
|
||
|
|
.Fn new_field
|
||
|
|
creates a new field of size
|
||
|
|
.Fa rows
|
||
|
|
by
|
||
|
|
.Fa cols
|
||
|
|
at location
|
||
|
|
.Fa frow ,
|
||
|
|
.Fa fcol
|
||
|
|
on the page, the argument
|
||
|
|
.Fa nrows
|
||
|
|
specified the number of off screen rows the field has and the
|
||
|
|
.Fa nbuf
|
||
|
|
parameter specifies the number of extra buffers attached to the
|
||
|
|
field.
|
||
|
|
There will always be one buffer associated with a field.
|
||
|
|
.Sh RETURN VALUES
|
||
|
|
On error
|
||
|
|
.Fn dup_field
|
||
|
|
and
|
||
|
|
.Fn new_field
|
||
|
|
will return
|
||
|
|
.Dv NULL .
|
||
|
|
The functions will one of the following error
|
||
|
|
values:
|
||
|
|
.Pp
|
||
|
|
.Bl -tag -width E_UNKNOWN_COMMAND -compact
|
||
|
|
.It Er E_OK
|
||
|
|
The function was successful.
|
||
|
|
.It Er E_BAD_ARGUMENT
|
||
|
|
A bad argument was passed to the function.
|
||
|
|
.It Er E_CONNECTED
|
||
|
|
The field is connected to a form.
|
||
|
|
.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 .
|