ncursesw-morphos/man/form_opts.3x

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'\" t
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.\"***************************************************************************
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.\" $Id: form_opts.3x,v 1.17 2020/10/18 00:03:49 tom Exp $
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.TH form_opts 3X ""
.SH NAME
\fBset_form_opts\fP,
\fBform_opts_on\fP,
\fBform_opts_off\fP,
\fBform_opts\fR \- set and get form options
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.SH SYNOPSIS
\fB#include <form.h>\fR
.sp
\fBint set_form_opts(FORM *\fP\fIform\fP\fB, Field_Options \fP\fIopts\fP\fB);\fP
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.br
\fBField_Options form_opts(const FORM *\fP\fIform\fP\fB);\fP
.sp
\fBint form_opts_on(FORM *\fP\fIform\fP\fB, Field_Options \fP\fIopts\fP\fB);\fP
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.br
\fBint form_opts_off(FORM *\fP\fIform\fP\fB, Field_Options \fP\fIopts\fP\fB);\fP
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.br
.SH DESCRIPTION
The function \fBset_form_opts\fR sets all the given form's option bits (form
option bits may be logically-OR'ed together).
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.PP
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The function \fBform_opts_on\fR turns on the given option bits, and leaves
others alone.
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.PP
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The function \fBform_opts_off\fR turns off the given option bits, and leaves
others alone.
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.PP
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The function \fBform_opts\fR 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):
.TP 5
O_NL_OVERLOAD
Overload the \fBREQ_NEW_LINE\fR 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
O_BS_OVERLOAD
Overload the \fBREQ_DEL_PREV\fR 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
Except for \fBform_opts\fR, each routine returns one of the following:
.TP 5
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.B E_OK
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The routine succeeded.
.TP 5
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.B E_SYSTEM_ERROR
System error occurred (see \fBerrno\fR(3)).
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.SH SEE ALSO
\fBcurses\fR(3X), \fBform\fR(3X).
.SH NOTES
The header file \fB<form.h>\fR automatically includes the header file
\fB<curses.h>\fR.
.SH PORTABILITY
These routines emulate the System V forms library.
They were not supported on
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Version 7 or BSD versions.
.SH AUTHORS
Juergen Pfeifer.
Manual pages and adaptation for new curses by Eric S. Raymond.