584 lines
18 KiB
Plaintext
584 lines
18 KiB
Plaintext
'\"
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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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'\" FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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'\" ARISING OUT OF THE USE OF THIS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
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'\" CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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'\"
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'\" THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
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'\" INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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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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'\" PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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'\"
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'\" $Header: /user6/ouster/wish/man/RCS/options.n,v 1.15 93/08/18 12:09:27 ouster Exp $ SPRITE (Berkeley)
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'/"
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.so man.macros
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.HS options tk
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.BS
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'\" Note: do not modify the .SH NAME line immediately below!
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.SH NAME
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options \- Standard options supported by widgets
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.BE
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.SH DESCRIPTION
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This manual entry describes the common configuration options supported
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by widgets in the Tk toolkit. Every widget does not necessarily support
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every option (see the manual entries for individual widgets for a list
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of the standard options supported by that widget), but if a widget does
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support an option with one of the names listed below, then the option
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has exactly the effect described below.
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.PP
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In the descriptions below,
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``Name'' refers to the option's name in the option database (e.g.
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in .Xdefaults files). ``Class'' refers to the option's class value
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in the option database. ``Command-Line Switch'' refers to the
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switch used in widget-creation and \fBconfigure\fR widget commands to
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set this value. For example, if an option's command-line switch is
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\fB\-foreground\fR and there exists a widget \fB.a.b.c\fR, then the
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command
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.DS
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\&\fB.a.b.c\0\0configure\0\0\-foreground black\fR
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.DE
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may be used to specify the value \fBblack\fR for the option in the
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the widget \fB.a.b.c\fR. Command-line switches may be abbreviated,
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as long as the abbreviation is unambiguous.
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.ta 4c
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.LP
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.nf
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Name: \fBactiveBackground\fR
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Class: \fBForeground\fR
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Command-Line Switch: \fB\-activebackground\fR
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.fi
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.IP
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Specifies background color to use when drawing active elements.
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An element (a widget or portion of a widget) is active if the
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mouse cursor is positioned over the element and pressing a mouse button
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will cause some action to occur.
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.LP
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.nf
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Name: \fBactiveBorderWidth\fR
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Class: \fBBorderWidth\fR
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Command-Line Switch: \fB\-activeborderwidth\fR
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.fi
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.IP
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Specifies a non-negative value indicating
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the width of the 3-D border drawn around active elements. See above for
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definition of active elements.
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.VS
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The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
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.VE
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This option is typically only available in widgets displaying more
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than one element at a time (e.g. menus but not buttons).
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.LP
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.nf
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Name: \fBactiveForeground\fR
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Class: \fBBackground\fR
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Command-Line Switch: \fB\-activeforeground\fR
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.fi
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.IP
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Specifies foreground color to use when drawing active elements.
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See above for definition of active elements.
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.LP
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.nf
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.VS
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Name: \fBanchor\fR
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Class: \fBAnchor\fR
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Command-Line Switch: \fB\-anchor\fR
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.fi
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.IP
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Specifies how the information in a widget (e.g. text or a bitmap)
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is to be displayed in the widget.
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Must be one of the values \fBn\fR, \fBne\fR, \fBe\fR, \fBse\fR,
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\fBs\fR, \fBsw\fR, \fBw\fR, \fBnw\fR, or \fBcenter\fR.
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For example, \fBnw\fR means display the information such that its
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top-left corner is at the top-left corner of the widget.
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.VE
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.LP
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.nf
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Name: \fBbackground\fR
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Class: \fBBackground\fR
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Command-Line Switch: \fB\-background or \-bg\fR
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.fi
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.IP
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Specifies the normal background color to use when displaying the
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widget.
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.LP
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.nf
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Name: \fBbitmap\fR
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.VS
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Class: \fBBitmap\fR
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Command-Line Switch: \fB\-bitmap\fR
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.fi
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.IP
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Specifies a bitmap to display in the widget, in any of the forms
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acceptable to \fBTk_GetBitmap\fR.
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The exact way in which the bitmap is displayed may be affected by
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other options such as \fBanchor\fR or \fBjustify\fR.
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Typically, if this option is specified then it overrides other
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options that specify a textual value to display in the widget;
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the \fBbitmap\fR option may be reset to an empty string to re-enable
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a text display.
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.VE
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.LP
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.nf
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Name: \fBborderWidth\fR
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Class: \fBBorderWidth\fR
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Command-Line Switch: \fB\-borderwidth or \-bd\fR
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.fi
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.IP
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Specifies a non-negative value indicating the width
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of the 3-D border to draw around the outside of the widget (if such a
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border is being drawn; the \fBrelief\fR option typically determines
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this). The value may also be used when drawing 3-D effects in the
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interior of the widget.
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.VS
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The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
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.VE
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.LP
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.nf
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Name: \fBcursor\fR
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Class: \fBCursor\fR
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Command-Line Switch: \fB\-cursor\fR
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.fi
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.IP
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Specifies the mouse cursor to be used for the widget.
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The value may have any of the forms acceptable to \fBTk_GetCursor\fR.
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.LP
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.nf
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Name: \fBcursorBackground\fR
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Class: \fBForeground\fR
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Command-Line Switch: \fB\-cursorbackground\fR
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.fi
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.IP
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Specifies the color to use as background in the area covered by the
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insertion cursor. This color will normally override either the normal
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background for the widget (or the selection background if the insertion
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cursor happens to fall in the selection).
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.VS
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\fIThis option is obsolete and is gradually being replaced by
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the \fBinsertBackground\fR option.\fR
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.VE
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.LP
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.nf
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Name: \fBcursorBorderWidth\fR
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Class: \fBBorderWidth\fR
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Command-Line Switch: \fB\-cursorborderwidth\fR
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.fi
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.IP
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Specifies a non-negative value indicating the width
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of the 3-D border to draw around the insertion cursor.
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.VS
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The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
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\fIThis option is obsolete and is gradually being replaced by
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the \fBinsertBorderWidth\fR option.\fR
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.VE
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.LP
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.nf
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Name: \fBcursorOffTime\fR
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Class: \fBOffTime\fR
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Command-Line Switch: \fB\-cursorofftime\fR
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.fi
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.IP
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Specifies a non-negative integer value indicating the number of
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milliseconds the cursor should remain ``off'' in each blink cycle.
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If this option is zero then the cursor doesn't blink: it is on
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all the time.
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.VS
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\fIThis option is obsolete and is gradually being replaced by
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the \fBinsertOffTime\fR option.\fR
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.VE
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.LP
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.nf
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Name: \fBcursorOnTime\fR
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Class: \fBOnTime\fR
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Command-Line Switch: \fB\-cursorontime\fR
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.fi
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.IP
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Specifies a non-negative integer value indicating the number of
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milliseconds the cursor should remain ``on'' in each blink cycle.
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.VS
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\fIThis option is obsolete and is gradually being replaced by
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the \fBinsertOnTime\fR option.\fR
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.VE
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.LP
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.nf
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Name: \fBcursorWidth\fR
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Class: \fBCursorWidth\fR
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Command-Line Switch: \fB\-cursorwidth\fR
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.fi
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.IP
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Specifies a value indicating the total width of the insertion cursor.
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.VS
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The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
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.VE
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If a border has been specified for
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the cursor (using the \fBcursorBorderWidth\fR option), the border
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will be drawn inside the width specified by the \fBcursorWidth\fR
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option.
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.VS
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\fIThis option is obsolete and is gradually being replaced by
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the \fBinsertWidth\fR option.\fR
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.VE
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.LP
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.nf
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.VS
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Name: \fBdisabledForeground\fR
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Class: \fBDisabledForeground\fR
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Command-Line Switch: \fB\-disabledforeground\fR
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.fi
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.IP
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Specifies foreground color to use when drawing a disabled element.
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If the option is specified as an empty string (which is typically the
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case on monochrome displays), disabled elements are drawn with the
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normal fooreground color but they are dimmed by drawing them
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with a stippled fill pattern.
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.VE
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.LP
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.nf
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.VS
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Name: \fBexportSelection\fR
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Class: \fBExportSelection\fR
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Command-Line Switch: \fB\-exportselection\fR
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.fi
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.IP
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Specifies whether or not a selection in the widget should also be
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the X selection.
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The value may have any of the forms accepted by \fBTcl_GetBoolean\fR,
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such as \fBtrue\fR, \fBfalse\fR, \fB0\fR, \fB1\fR, \fByes\fR, or \fBno\fR.
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If the selection is exported, then selecting in the widget deselects
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the current X selection, selecting outside the widget deselects any
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widget selection, and the widget will respond to selection retrieval
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requests when it has a selection. The default is usually for widgets
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to export selections.
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.VE
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.LP
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.nf
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Name: \fBfont\fR
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Class: \fBFont\fR
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Command-Line Switch: \fB\-font\fR
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.fi
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.IP
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Specifies the font to use when drawing text inside the widget.
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.LP
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.nf
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Name: \fBforeground\fR
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Class: \fBForeground\fR
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Command-Line Switch: \fB\-foreground or \-fg\fR
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.fi
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.IP
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Specifies the normal foreground color to use when displaying the widget.
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.LP
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.nf
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Name: \fBgeometry\fR
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Class: \fBGeometry\fR
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Command-Line Switch: \fB\-geometry\fR
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.fi
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.IP
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Specifies the desired geometry for the widget's window, in the
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form \fIwidth\fBx\fIheight\fR, where \fIwidth\fR is the desired
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width of the window and \fIheight\fR is the desired height. The
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units for \fIwidth\fR and \fIheight\fR depend on the particular
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widget. For widgets displaying text the units are usually the
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size of the characters in the font being displayed; for other
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widgets the units are usually pixels.
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.LP
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.nf
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.VS
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Name: \fBinsertBackground\fR
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Class: \fBForeground\fR
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Command-Line Switch: \fB\-insertbackground\fR
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.fi
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.IP
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Specifies the color to use as background in the area covered by the
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insertion cursor. This color will normally override either the normal
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background for the widget (or the selection background if the insertion
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cursor happens to fall in the selection).
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.LP
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.nf
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Name: \fBinsertBorderWidth\fR
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Class: \fBBorderWidth\fR
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Command-Line Switch: \fB\-insertborderwidth\fR
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.fi
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.IP
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Specifies a non-negative value indicating the width
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of the 3-D border to draw around the insertion cursor.
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The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
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.LP
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.nf
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Name: \fBinsertOffTime\fR
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Class: \fBOffTime\fR
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Command-Line Switch: \fB\-insertofftime\fR
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.fi
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.IP
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Specifies a non-negative integer value indicating the number of
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milliseconds the insertion cursor should remain ``off'' in each blink cycle.
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If this option is zero then the cursor doesn't blink: it is on
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all the time.
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.LP
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.nf
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Name: \fBinsertOnTime\fR
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Class: \fBOnTime\fR
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Command-Line Switch: \fB\-insertontime\fR
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.fi
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.IP
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Specifies a non-negative integer value indicating the number of
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milliseconds the insertion cursor should remain ``on'' in each blink cycle.
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.LP
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.nf
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Name: \fBinsertWidth\fR
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Class: \fBInsertWidth\fR
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Command-Line Switch: \fB\-insertwidth\fR
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.fi
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.IP
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Specifies a value indicating the total width of the insertion cursor.
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The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
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If a border has been specified for the insertion
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cursor (using the \fBinsertBorderWidth\fR option), the border
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will be drawn inside the width specified by the \fBinsertWidth\fR
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option.
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.VE
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.LP
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.nf
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Name: \fBorient\fR
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Class: \fBOrient\fR
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Command-Line Switch: \fB\-orient\fR
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.fi
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.IP
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For widgets that can lay themselves out with either a horizontal
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or vertical orientation, such as scrollbars, this option specifies
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which orientation should be used. Must be either \fBhorizontal\fR
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or \fBvertical\fR or an abbreviation of one of these.
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.LP
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.nf
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Name: \fBpadX\fR
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Class: \fBPad\fR
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Command-Line Switch: \fB\-padx\fR
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.fi
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.IP
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Specifies a non-negative value indicating how much extra space
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to request for the widget in the X-direction.
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.VS
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The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
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.VE
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When computing how large a window it needs, the widget will
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add this amount to the width it would normally need (as determined
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by the width of the things displayed in the widget); if the geometry
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manager can satisfy this request, the widget will end up with extra
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internal space to the left and/or right of what it displays inside.
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.LP
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.nf
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Name: \fBpadY\fR
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Class: \fBPad\fR
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Command-Line Switch: \fB\-pady\fR
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.fi
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.IP
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Specifies a non-negative value indicating how much extra space
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to request for the widget in the Y-direction.
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.VS
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The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
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.VE
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When computing how large a window it needs, the widget will add
|
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this amount to the height it would normally need (as determined by
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the height of the things displayed in the widget); if the geometry
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manager can satisfy this request, the widget will end up with extra
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internal space above and/or below what it displays inside.
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.LP
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.nf
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Name: \fBrelief\fR
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Class: \fBRelief\fR
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Command-Line Switch: \fB\-relief\fR
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.fi
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.IP
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Specifies the 3-D effect desired for the widget. Acceptable
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.VS
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values are \fBraised\fR, \fBsunken\fR, \fBflat\fR, \fBridge\fR,
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and \fBgroove\fR.
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.VE
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The value
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indicates how the interior of the widget should appear relative
|
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to its exterior; for example, \fBraised\fR means the interior of
|
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the widget should appear to protrude from the screen, relative to
|
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the exterior of the widget.
|
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.LP
|
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.nf
|
|
Name: \fBrepeatDelay\fR
|
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Class: \fBRepeatDelay\fR
|
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Command-Line Switch: \fB\-repeatdelay\fR
|
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.fi
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.IP
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|
Specifies the number of milliseconds a button or key must be held
|
|
down before it begins to auto-repeat. Used, for example, on the
|
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up- and down-arrows in scrollbars.
|
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.LP
|
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.nf
|
|
Name: \fBrepeatInterval\fR
|
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Class: \fBRepeatInterval\fR
|
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Command-Line Switch: \fB\-repeatinterval\fR
|
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.fi
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.IP
|
|
Used in conjunction with \fBrepeatDelay\fR: once auto-repeat
|
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begins, this option determines the number of milliseconds between
|
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auto-repeats.
|
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.LP
|
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.nf
|
|
Name: \fBscrollCommand\fR
|
|
Class: \fBScrollCommand\fR
|
|
Command-Line Switch: \fB\-scrollcommand\fR
|
|
.fi
|
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.IP
|
|
Specifies the prefix for a command used to communicate with scrollbar
|
|
widgets. When the view in the widget's window changes (or
|
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whenever anything else occurs that could change the display in a
|
|
scrollbar, such as a change in the total size of the widget's
|
|
contents), the widget will
|
|
generate a Tcl command by concatenating the scroll command and four
|
|
numbers. The four numbers are, in order: the total size of the
|
|
widget's contents, in unspecified units
|
|
(``unit'' is a widget-specific term; for widgets
|
|
displaying text, the unit is a line); the maximum number of units that
|
|
may be displayed at once in the widget's window, given its current size; the
|
|
index of the top-most or left-most unit currently visible in the window
|
|
(index 0 corresponds to the first unit); and the index of the bottom-most
|
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or right-most unit currently visible in the window. This command is
|
|
then passed to the Tcl interpreter for execution. Typically the
|
|
\fBscrollCommand\fR option consists of the path name of a scrollbar
|
|
widget followed by ``set'', e.g. ``.x.scrollbar set'': this will cause
|
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the scrollbar to be updated whenever the view in the window changes.
|
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If this option is not specified, then no command will be executed.
|
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.IP
|
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.VS
|
|
The \fBscrollCommand\fR option is used for widgets that support scrolling
|
|
in only one direction.
|
|
For widgets that support scrolling in both directions, this
|
|
option is replaced with the \fBxScrollCommand\fR and \fByScrollCommand\fR
|
|
options.
|
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.VE
|
|
.LP
|
|
.nf
|
|
Name: \fBselectBackground\fR
|
|
Class: \fBForeground\fR
|
|
Command-Line Switch: \fB\-selectbackground\fR
|
|
.fi
|
|
.IP
|
|
Specifies the background color to use when displaying selected
|
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items.
|
|
.LP
|
|
.nf
|
|
Name: \fBselectBorderWidth\fR
|
|
Class: \fBBorderWidth\fR
|
|
Command-Line Switch: \fB\-selectborderwidth\fR
|
|
.fi
|
|
.IP
|
|
Specifies a non-negative value indicating the width
|
|
of the 3-D border to draw around selected items.
|
|
.VS
|
|
The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
|
|
.VE
|
|
.LP
|
|
.nf
|
|
Name: \fBselectForeground\fR
|
|
Class: \fBBackground\fR
|
|
Command-Line Switch: \fB\-selectforeground\fR
|
|
.fi
|
|
.IP
|
|
Specifies the foreground color to use when displaying selected
|
|
items.
|
|
.LP
|
|
.nf
|
|
.VS
|
|
Name: \fBsetGrid\fR
|
|
Class: \fBSetGrid\fR
|
|
Command-Line Switch: \fB\-setgrid\fR
|
|
.fi
|
|
.IP
|
|
Specifies a boolean value that determines whether this widget controls the
|
|
resizing grid for its top-level window.
|
|
This option is typically used in text widgets, where the information
|
|
in the widget has a natural size (the size of a character) and it makes
|
|
sense for the window's dimensions to be integral numbers of these units.
|
|
These natural window sizes form a grid.
|
|
If the \fBsetGrid\fR option is set to true then the widget will
|
|
communicate with the window manager so that when the user interactively
|
|
resizes the top-level window that contains the widget, the dimensions of
|
|
the window will be displayed to the user in grid units and the window
|
|
size will be constrained to integral numbers of grid units.
|
|
See the section GRIDDED GEOMETRY MANAGEMENT in the \fBwm\fR manual
|
|
entry for more details.
|
|
.VE
|
|
.LP
|
|
.nf
|
|
Name: \fBtext\fR
|
|
Class: \fBText\fR
|
|
Command-Line Switch: \fB\-text\fR
|
|
.fi
|
|
.IP
|
|
Specifies a string to be displayed inside the widget. The way in which
|
|
the string is displayed depends on the particular widget and may be
|
|
determined by other options, such as \fBanchor\fR or \fBjustify\fR.
|
|
.LP
|
|
.nf
|
|
.VS
|
|
Name: \fBtextVariable\fR
|
|
Class: \fBVariable\fR
|
|
Command-Line Switch: \fB\-textvariable\fR
|
|
.fi
|
|
.IP
|
|
Specifies the name of a variable. The value of the variable is a text
|
|
string to be displayed inside the widget; if the variable value changes
|
|
then the widget will automatically update itself to reflect the new value.
|
|
The way in which the string is displayed in the widget depends on the
|
|
particular widget and may be determined by other options, such as
|
|
\fBanchor\fR or \fBjustify\fR.
|
|
.LP
|
|
.nf
|
|
Name: \fBunderline\fR
|
|
Class: \fBUnderline\fR
|
|
Command-Line Switch: \fB\-underline\fR
|
|
.fi
|
|
.IP
|
|
Specifies the integer index of a character to underline in the widget.
|
|
This option is typically used to indicate keyboard traversal characters
|
|
in menu buttons and menu entries. 0 corresponds to the first character
|
|
of the text displayed in the widget, 1 to the next character, and so
|
|
on.
|
|
.LP
|
|
.nf
|
|
Name: \fBxScrollCommand\fR
|
|
Class: \fBScrollCommand\fR
|
|
Command-Line Switch: \fB\-xscrollcommand\fR
|
|
.fi
|
|
.IP
|
|
Specifies the prefix for a command used to communicate with horizontal
|
|
scrollbars. This option is treated in the same way as the
|
|
\fBscrollCommand\fR option, except that it is used for horizontal
|
|
scrollbars associated with widgets that support both horizontal
|
|
and vertical scrolling.
|
|
See the description of \fBscrollCommand\fR for complete details
|
|
on how this option is used.
|
|
.LP
|
|
.nf
|
|
Name: \fByScrollCommand\fR
|
|
Class: \fBScrollCommand\fR
|
|
Command-Line Switch: \fB\-yscrollcommand\fR
|
|
.fi
|
|
.IP
|
|
Specifies the prefix for a command used to communicate with vertical
|
|
scrollbars. This option is treated in the same way as the
|
|
\fBscrollCommand\fR option, except that it is used for vertical
|
|
scrollbars associated with widgets that support both horizontal
|
|
and vertical scrolling.
|
|
See the description of \fBscrollCommand\fR for complete details
|
|
on how this option is used.
|
|
.VE
|
|
|
|
.SH KEYWORDS
|
|
class, name, standard option, switch
|