100 lines
3.4 KiB
Groff
100 lines
3.4 KiB
Groff
.\" $NetBSD: form_field_just.3,v 1.6 2002/10/01 19:15:16 wiz Exp $
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.\"
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.\" Copyright (c) 2001
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.\" Brett Lymn - blymn@baea.com.au, brett_lymn@yahoo.com.au
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.\"
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.\" This code is donated to The NetBSD Foundation by the author.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the Author may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd January 1, 2001
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.Dt FORMS 3
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.Os
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.Sh NAME
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.Nm field_just ,
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.Nm set_field_just
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.Nd form library
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.Sh LIBRARY
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.Lb libform
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.Sh SYNOPSIS
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.Fd #include \*[Lt]form.h\*[Gt]
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.Ft int
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.Fn field_just "FIELD *field"
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.Ft int
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.Fn set_field_just "FIELD *field" "int justification"
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.Sh DESCRIPTION
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Field justification is only applied to static fields, a dynamic field
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will not be justified.
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The default justification for a field is
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NO_JUSTIFICATION.
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The
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.Fn field_just
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will return the current justification value of the given field and the
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justification may be set by calling the
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.Fn set_field_just
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function.
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.Sh PARAMETERS
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The following are the valid justifications for a field:
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.Pp
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.Bl -tag -width NO_JUSTIFICATION -compact
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.It NO_JUSTIFICATION
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No justification is to be applied to the field.
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In practice, this is the same as JUSTIFY_LEFT.
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.It JUSTIFY_RIGHT
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The field will be right justified.
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That is, the end of each line will
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be butted up against the right hand side of the field.
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.It JUSTIFY_LEFT
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The field will be left justified.
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That is, the start of each line
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will be butted up against the left hand side of the field.
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.It JUSTIFY_CENTER
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The field will be centre justified, padding will be applied to either
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end of the line to make the line centred in the field.
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.El
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.Sh RETURN VALUES
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Functions returning pointers will return NULL if an error is detected.
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The functions that return an int will return one of the following error
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values:
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.Pp
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.Bl -tag -width E_UNKNOWN_COMMAND -compact
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.It Er E_OK
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The function was successful.
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.It Er E_CURRENT
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The field specified is the currently active one on the form.
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.It Er E_BAD_ARGUMENT
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A bad argument was passed to the function.
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.El
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.Sh SEE ALSO
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.Xr curses 3 ,
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.Xr forms 3
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.Sh NOTES
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The header
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.Pa \*[Lt]form.h\*[Gt]
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automatically includes both
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.Pa \*[Lt]curses.h\*[Gt]
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and
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.Pa \*[Lt]eti.h\*[Gt] .
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