88 lines
3.3 KiB
Groff
88 lines
3.3 KiB
Groff
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'\"
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'\" Copyright (c) 1990 The Regents of the University of California.
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'\" All rights reserved.
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'\"
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'\" Permission is hereby granted, without written agreement and without
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'\" license or royalty fees, to use, copy, modify, and distribute this
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'\" documentation for any purpose, provided that the above copyright
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'\" notice and the following two paragraphs appear in all copies.
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'\"
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'\" IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
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'\" CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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'\" THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
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'\" AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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'\" ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
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'\"
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'\" $Header: /user6/ouster/wish/man/RCS/GetJustify.3,v 1.4 93/04/01 09:41:30 ouster Exp $ SPRITE (Berkeley)
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'\"
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.so man.macros
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.HS Tk_GetJustify tkc
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.BS
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.SH NAME
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Tk_GetJustify, Tk_NameOfJustify \- translate between strings and justification styles
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.SH SYNOPSIS
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.nf
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\fB#include <tk.h>\fR
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.sp
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Tk_Justify
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\fBTk_GetJustify(\fIinterp, string, justifyPtr\fB)\fR
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.sp
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char *
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\fBTk_NameOfJustify(\fIjustify\fB)\fR
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.SH ARGUMENTS
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.AS "Tk_Justify" *justifyPtr
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.AP Tcl_Interp *interp in
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Interpreter to use for error reporting.
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.AP char *string in
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String containing name of justification style (``left'', ``right'',
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``center'', or ``fill'').
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.AP int *justifyPtr out
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Pointer to location in which to store justify value corresponding to
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\fIstring\fR.
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.AP Tk_Justify justify in
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Justification style (one of the values listed below).
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.BE
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.SH DESCRIPTION
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.PP
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\fBTk_GetJustify\fR places in \fI*justifyPtr\fR the justify value
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corresponding to \fIstring\fR. This value will be one of the following:
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.TP
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\fBTK_JUSTIFY_LEFT\fR
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Means that the text on each line should start at the left edge of
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the line; as a result, the right edges of lines may be ragged.
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.TP
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\fBTK_JUSTIFY_RIGHT\fR
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Means that the text on each line should end at the right edge of
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the line; as a result, the left edges of lines may be ragged.
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.TP
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\fBTK_JUSTIFY_CENTER\fR
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Means that the text on each line should be centered; as a result,
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both the left and right edges of lines may be ragged.
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.TP
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\fBTK_JUSTIFY_FILL\fR
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Means that the text on each line should start at the left edge of
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the line and end at the right edge, with the sizes of the spaces
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in the line adjusted to make this work.
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.PP
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Under normal circumstances the return value is \fBTCL_OK\fR and
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\fIinterp\fR is unused.
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If \fIstring\fR doesn't contain a valid justification style
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or an abbreviation of one of these names, then an error message is
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stored in \fIinterp->result\fR, \fBTCL_ERROR\fR is returned, and
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\fI*justifyPtr\fR is unmodified.
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.PP
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\fBTk_NameOfJustify\fR is the logical inverse of \fBTk_GetJustify\fR.
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Given a justify value it returns a statically-allocated string
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corresponding to \fIjustify\fR.
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If \fIjustify\fR isn't a legal justify value, then
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``unknown justification style'' is returned.
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.SH KEYWORDS
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center, fill, justification, string
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