ncursesw-morphos/man/form_field_opts.3x

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'\" t
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.\"***************************************************************************
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.\" Copyright (c) 1998-2005,2006 Free Software Foundation, Inc. *
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.\" $Id: form_field_opts.3x,v 1.12 2006/11/04 17:12:00 tom Exp $
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.TH form_field_opts 3X ""
.SH NAME
\fBform_field_opts\fR - set and get field options
.SH SYNOPSIS
\fB#include <form.h>\fR
.br
int set_field_opts(FIELD *field, OPTIONS opts);
.br
int field_opts_on(FIELD *field, OPTIONS opts);
.br
int field_opts_off(FIELD *field, OPTIONS opts);
.br
OPTIONS field_opts(const FIELD *field);
.br
.SH DESCRIPTION
The function \fBset_field_opts\fR sets all the given field's option bits (field
option bits may be logically-OR'ed together).
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.PP
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The function \fBfield_opts_on\fR turns on the given option bits, and leaves
others alone.
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.PP
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The function \fBfield_opts_off\fR turns off the given option bits, and leaves
others alone.
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.PP
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The function \fBfield_opts\fR returns the field'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_VISIBLE
The field is displayed. If this option is off, display of the field is
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suppressed.
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.TP 5
O_ACTIVE
The field is visited during processing. If this option is off, the field will
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not be reachable by navigation keys. Please notice that an invisible field
appears to be inactive also.
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.TP 5
O_PUBLIC
The field contents are displayed as data is entered.
.TP 5
O_EDIT
The field can be edited.
.TP 5
O_WRAP
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Words that do not fit on a line are wrapped to the next line. Words are
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blank-separated.
.TP 5
O_BLANK
The field is cleared whenever a character is entered at the first position.
.TP 5
O_AUTOSKIP
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Skip to the next field when this one fills.
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.TP 5
O_NULLOK
Allow a blank field.
.TP 5
O_STATIC
Field buffers are fixed to field's original size.
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Turn this option off to create a dynamic field.
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.TP 5
O_PASSOK
Validate field only if modified by user.
.SH RETURN VALUE
Except for \fBfield_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_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
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.TP 5
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.B E_CURRENT
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The field is the current field.
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.TP 5
.B E_SYSTEM_ERROR
System error occurred (see \fBerrno\fR).
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.SH SEE ALSO
\fBcurses\fR(3X), \fBform\fR(3X).
.TP 5
.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
Version 7 or BSD versions.
.SH AUTHORS
Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
S. Raymond.
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