\"      $NetBSD: form_win.3,v 1.10 2010/03/22 21:58:31 joerg Exp $
\"
\" Copyright (c) 2001
\"      Brett Lymn - [email protected], [email protected]
\"
\" This code is donated to The NetBSD Foundation by the author.
\"
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\" modification, are permitted provided that the following conditions
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\" 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
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\"    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
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\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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Dd January 1, 2001
Dt FORMS 3
Os
Sh NAME
Nm form_sub ,
Nm form_win ,
Nm scale_form ,
Nm set_form_sub ,
Nm set_form_win
Nd form library
Sh LIBRARY
Lb libform
Sh SYNOPSIS
In form.h
Ft WINDOW *
Fn form_sub "FORM *form"
Ft WINDOW *
Fn form_win "FORM *form"
Ft int
Fn scale_form "FORM *form" "int *rows" "int *cols"
Ft int
Fn set_form_sub "FORM *form" "WINDOW *window"
Ft int
Fn set_form_win "FORM *form" "WINDOW *window"
Sh DESCRIPTION
All output to the screen done by the forms library is handled by the
curses library routines.
By default, the forms library will output to the curses
Fa stdscr ,
but if the forms window has been set via
Fn set_form_win
then output will be sent to the window specified by
Fn set_form_win ,
unless the forms subwindow has been set using
Fn set_form_sub .
If a subwindow has been specified using
Fn set_form_sub
then it will be used by the forms library to for screen output.
The current setting for the form window can be retrieved by calling
Fn form_win .
If the forms window has not been set then
Dv NULL
will be returned.
Similarly, the forms subwindow can be found by calling the
Fn form_sub
function, again, if the subwindow has not been set then
Dv NULL
will be
returned.
The
Fn scale_form
function will return the minimum number of rows and columns that will
entirely contain the given form.
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.
It Er E_NOT_CONNECTED
The form has no fields connected to it.
It Er E_POSTED
The form is posted to the screen.
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 .

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