91 lines
4.0 KiB
Groff
91 lines
4.0 KiB
Groff
'\" t
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.\" $OpenBSD: form_opts.3,v 1.11 2023/10/17 09:52:10 nicm Exp $
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.\"
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.\"***************************************************************************
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.\" Copyright 2018-2022,2023 Thomas E. Dickey *
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.\" Copyright 1998-2010,2015 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: form_opts.3,v 1.11 2023/10/17 09:52:10 nicm Exp $
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.TH form_opts 3 2023-07-01 "ncurses 6.4" "Library calls"
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.SH NAME
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\fBset_form_opts\fP,
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\fBform_opts_on\fP,
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\fBform_opts_off\fP,
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\fBform_opts\fP \- set and get form options
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.SH SYNOPSIS
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\fB#include <form.h>\fP
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.sp
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\fBint set_form_opts(FORM *\fIform\fB, Field_Options \fIopts\fB);\fR
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.br
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\fBField_Options form_opts(const FORM *\fIform\fB);\fR
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.sp
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\fBint form_opts_on(FORM *\fIform\fB, Field_Options \fIopts\fB);\fR
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.br
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\fBint form_opts_off(FORM *\fIform\fB, Field_Options \fIopts\fB);\fR
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.SH DESCRIPTION
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The function \fBset_form_opts\fP sets all the given form's option bits (form
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option bits may be logically-OR'ed together).
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.PP
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The function \fBform_opts_on\fP turns on the given option bits, and leaves
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others alone.
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.PP
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The function \fBform_opts_off\fP turns off the given option bits, and leaves
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others alone.
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.PP
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The function \fBform_opts\fP returns the form's current option bits.
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.PP
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The following options are defined (all are on by default):
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.TP 5
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O_NL_OVERLOAD
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Overload the \fBREQ_NEW_LINE\fP forms driver request so that calling it at the
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end of a field goes to the next field.
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.TP 5
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O_BS_OVERLOAD
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Overload the \fBREQ_DEL_PREV\fP forms driver request so that calling it at the
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beginning of a field goes to the previous field.
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.SH RETURN VALUE
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Except for \fBform_opts\fP, each routine returns one of the following:
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.TP 5
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.B E_OK
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The routine succeeded.
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.TP 5
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.B E_SYSTEM_ERROR
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System error occurred (see \fBerrno\fP(3)).
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.SH SEE ALSO
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\fBcurses\fP(3), \fBform\fP(3).
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.SH NOTES
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The header file \fB<form.h>\fP automatically includes the header file
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\fB<curses.h>\fP.
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.SH PORTABILITY
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These routines emulate the System V forms library.
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They were not supported on
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Version 7 or BSD versions.
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.SH AUTHORS
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Juergen Pfeifer.
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Manual pages and adaptation for new curses by Eric S. Raymond.
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