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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)
- '/"
- .\" The definitions below are for supplemental macros used in Tcl/Tk
- .\" manual entries.
- .\"
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- .\" section names.
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- '\" # Heading for Tcl/Tk man pages
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- ..
- .HS options tk
- .BS
- '\" Note: do not modify the .SH NAME line immediately below!
- .SH NAME
- options \- Standard options supported by widgets
- .BE
-
- .SH DESCRIPTION
- This manual entry describes the common configuration options supported
- by widgets in the Tk toolkit. Every widget does not necessarily support
- every option (see the manual entries for individual widgets for a list
- of the standard options supported by that widget), but if a widget does
- support an option with one of the names listed below, then the option
- has exactly the effect described below.
- .PP
- In the descriptions below,
- ``Name'' refers to the option's name in the option database (e.g.
- in .Xdefaults files). ``Class'' refers to the option's class value
- in the option database. ``Command-Line Switch'' refers to the
- switch used in widget-creation and \fBconfigure\fR widget commands to
- set this value. For example, if an option's command-line switch is
- \fB\-foreground\fR and there exists a widget \fB.a.b.c\fR, then the
- command
- .DS
- \&\fB.a.b.c\0\0configure\0\0\-foreground black\fR
- .DE
- may be used to specify the value \fBblack\fR for the option in the
- the widget \fB.a.b.c\fR. Command-line switches may be abbreviated,
- as long as the abbreviation is unambiguous.
- .ta 4c
- .LP
- .nf
- Name: \fBactiveBackground\fR
- Class: \fBForeground\fR
- Command-Line Switch: \fB\-activebackground\fR
- .fi
- .IP
- Specifies background color to use when drawing active elements.
- An element (a widget or portion of a widget) is active if the
- mouse cursor is positioned over the element and pressing a mouse button
- will cause some action to occur.
- .LP
- .nf
- Name: \fBactiveBorderWidth\fR
- Class: \fBBorderWidth\fR
- Command-Line Switch: \fB\-activeborderwidth\fR
- .fi
- .IP
- Specifies a non-negative value indicating
- the width of the 3-D border drawn around active elements. See above for
- definition of active elements.
- .VS
- The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
- .VE
- This option is typically only available in widgets displaying more
- than one element at a time (e.g. menus but not buttons).
- .LP
- .nf
- Name: \fBactiveForeground\fR
- Class: \fBBackground\fR
- Command-Line Switch: \fB\-activeforeground\fR
- .fi
- .IP
- Specifies foreground color to use when drawing active elements.
- See above for definition of active elements.
- .LP
- .nf
- .VS
- Name: \fBanchor\fR
- Class: \fBAnchor\fR
- Command-Line Switch: \fB\-anchor\fR
- .fi
- .IP
- Specifies how the information in a widget (e.g. text or a bitmap)
- is to be displayed in the widget.
- Must be one of the values \fBn\fR, \fBne\fR, \fBe\fR, \fBse\fR,
- \fBs\fR, \fBsw\fR, \fBw\fR, \fBnw\fR, or \fBcenter\fR.
- For example, \fBnw\fR means display the information such that its
- top-left corner is at the top-left corner of the widget.
- .VE
- .LP
- .nf
- Name: \fBbackground\fR
- Class: \fBBackground\fR
- Command-Line Switch: \fB\-background or \-bg\fR
- .fi
- .IP
- Specifies the normal background color to use when displaying the
- widget.
- .LP
- .nf
- Name: \fBbitmap\fR
- .VS
- Class: \fBBitmap\fR
- Command-Line Switch: \fB\-bitmap\fR
- .fi
- .IP
- Specifies a bitmap to display in the widget, in any of the forms
- acceptable to \fBTk_GetBitmap\fR.
- The exact way in which the bitmap is displayed may be affected by
- other options such as \fBanchor\fR or \fBjustify\fR.
- Typically, if this option is specified then it overrides other
- options that specify a textual value to display in the widget;
- the \fBbitmap\fR option may be reset to an empty string to re-enable
- a text display.
- .VE
- .LP
- .nf
- Name: \fBborderWidth\fR
- Class: \fBBorderWidth\fR
- Command-Line Switch: \fB\-borderwidth or \-bd\fR
- .fi
- .IP
- Specifies a non-negative value indicating the width
- of the 3-D border to draw around the outside of the widget (if such a
- border is being drawn; the \fBrelief\fR option typically determines
- this). The value may also be used when drawing 3-D effects in the
- interior of the widget.
- .VS
- The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
- .VE
- .LP
- .nf
- Name: \fBcursor\fR
- Class: \fBCursor\fR
- Command-Line Switch: \fB\-cursor\fR
- .fi
- .IP
- Specifies the mouse cursor to be used for the widget.
- The value may have any of the forms acceptable to \fBTk_GetCursor\fR.
- .LP
- .nf
- Name: \fBcursorBackground\fR
- Class: \fBForeground\fR
- Command-Line Switch: \fB\-cursorbackground\fR
- .fi
- .IP
- Specifies the color to use as background in the area covered by the
- insertion cursor. This color will normally override either the normal
- background for the widget (or the selection background if the insertion
- cursor happens to fall in the selection).
- .VS
- \fIThis option is obsolete and is gradually being replaced by
- the \fBinsertBackground\fR option.\fR
- .VE
- .LP
- .nf
- Name: \fBcursorBorderWidth\fR
- Class: \fBBorderWidth\fR
- Command-Line Switch: \fB\-cursorborderwidth\fR
- .fi
- .IP
- Specifies a non-negative value indicating the width
- of the 3-D border to draw around the insertion cursor.
- .VS
- The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
- \fIThis option is obsolete and is gradually being replaced by
- the \fBinsertBorderWidth\fR option.\fR
- .VE
- .LP
- .nf
- Name: \fBcursorOffTime\fR
- Class: \fBOffTime\fR
- Command-Line Switch: \fB\-cursorofftime\fR
- .fi
- .IP
- Specifies a non-negative integer value indicating the number of
- milliseconds the cursor should remain ``off'' in each blink cycle.
- If this option is zero then the cursor doesn't blink: it is on
- all the time.
- .VS
- \fIThis option is obsolete and is gradually being replaced by
- the \fBinsertOffTime\fR option.\fR
- .VE
- .LP
- .nf
- Name: \fBcursorOnTime\fR
- Class: \fBOnTime\fR
- Command-Line Switch: \fB\-cursorontime\fR
- .fi
- .IP
- Specifies a non-negative integer value indicating the number of
- milliseconds the cursor should remain ``on'' in each blink cycle.
- .VS
- \fIThis option is obsolete and is gradually being replaced by
- the \fBinsertOnTime\fR option.\fR
- .VE
- .LP
- .nf
- Name: \fBcursorWidth\fR
- Class: \fBCursorWidth\fR
- Command-Line Switch: \fB\-cursorwidth\fR
- .fi
- .IP
- Specifies a value indicating the total width of the insertion cursor.
- .VS
- The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
- .VE
- If a border has been specified for
- the cursor (using the \fBcursorBorderWidth\fR option), the border
- will be drawn inside the width specified by the \fBcursorWidth\fR
- option.
- .VS
- \fIThis option is obsolete and is gradually being replaced by
- the \fBinsertWidth\fR option.\fR
- .VE
- .LP
- .nf
- .VS
- Name: \fBdisabledForeground\fR
- Class: \fBDisabledForeground\fR
- Command-Line Switch: \fB\-disabledforeground\fR
- .fi
- .IP
- Specifies foreground color to use when drawing a disabled element.
- If the option is specified as an empty string (which is typically the
- case on monochrome displays), disabled elements are drawn with the
- normal fooreground color but they are dimmed by drawing them
- with a stippled fill pattern.
- .VE
- .LP
- .nf
- .VS
- Name: \fBexportSelection\fR
- Class: \fBExportSelection\fR
- Command-Line Switch: \fB\-exportselection\fR
- .fi
- .IP
- Specifies whether or not a selection in the widget should also be
- the X selection.
- The value may have any of the forms accepted by \fBTcl_GetBoolean\fR,
- such as \fBtrue\fR, \fBfalse\fR, \fB0\fR, \fB1\fR, \fByes\fR, or \fBno\fR.
- If the selection is exported, then selecting in the widget deselects
- the current X selection, selecting outside the widget deselects any
- widget selection, and the widget will respond to selection retrieval
- requests when it has a selection. The default is usually for widgets
- to export selections.
- .VE
- .LP
- .nf
- Name: \fBfont\fR
- Class: \fBFont\fR
- Command-Line Switch: \fB\-font\fR
- .fi
- .IP
- Specifies the font to use when drawing text inside the widget.
- .LP
- .nf
- Name: \fBforeground\fR
- Class: \fBForeground\fR
- Command-Line Switch: \fB\-foreground or \-fg\fR
- .fi
- .IP
- Specifies the normal foreground color to use when displaying the widget.
- .LP
- .nf
- Name: \fBgeometry\fR
- Class: \fBGeometry\fR
- Command-Line Switch: \fB\-geometry\fR
- .fi
- .IP
- Specifies the desired geometry for the widget's window, in the
- form \fIwidth\fBx\fIheight\fR, where \fIwidth\fR is the desired
- width of the window and \fIheight\fR is the desired height. The
- units for \fIwidth\fR and \fIheight\fR depend on the particular
- widget. For widgets displaying text the units are usually the
- size of the characters in the font being displayed; for other
- widgets the units are usually pixels.
- .LP
- .nf
- .VS
- Name: \fBinsertBackground\fR
- Class: \fBForeground\fR
- Command-Line Switch: \fB\-insertbackground\fR
- .fi
- .IP
- Specifies the color to use as background in the area covered by the
- insertion cursor. This color will normally override either the normal
- background for the widget (or the selection background if the insertion
- cursor happens to fall in the selection).
- .LP
- .nf
- Name: \fBinsertBorderWidth\fR
- Class: \fBBorderWidth\fR
- Command-Line Switch: \fB\-insertborderwidth\fR
- .fi
- .IP
- Specifies a non-negative value indicating the width
- of the 3-D border to draw around the insertion cursor.
- The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
- .LP
- .nf
- Name: \fBinsertOffTime\fR
- Class: \fBOffTime\fR
- Command-Line Switch: \fB\-insertofftime\fR
- .fi
- .IP
- Specifies a non-negative integer value indicating the number of
- milliseconds the insertion cursor should remain ``off'' in each blink cycle.
- If this option is zero then the cursor doesn't blink: it is on
- all the time.
- .LP
- .nf
- Name: \fBinsertOnTime\fR
- Class: \fBOnTime\fR
- Command-Line Switch: \fB\-insertontime\fR
- .fi
- .IP
- Specifies a non-negative integer value indicating the number of
- milliseconds the insertion cursor should remain ``on'' in each blink cycle.
- .LP
- .nf
- Name: \fBinsertWidth\fR
- Class: \fBInsertWidth\fR
- Command-Line Switch: \fB\-insertwidth\fR
- .fi
- .IP
- Specifies a value indicating the total width of the insertion cursor.
- The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
- If a border has been specified for the insertion
- cursor (using the \fBinsertBorderWidth\fR option), the border
- will be drawn inside the width specified by the \fBinsertWidth\fR
- option.
- .VE
- .LP
- .nf
- Name: \fBorient\fR
- Class: \fBOrient\fR
- Command-Line Switch: \fB\-orient\fR
- .fi
- .IP
- For widgets that can lay themselves out with either a horizontal
- or vertical orientation, such as scrollbars, this option specifies
- which orientation should be used. Must be either \fBhorizontal\fR
- or \fBvertical\fR or an abbreviation of one of these.
- .LP
- .nf
- Name: \fBpadX\fR
- Class: \fBPad\fR
- Command-Line Switch: \fB\-padx\fR
- .fi
- .IP
- Specifies a non-negative value indicating how much extra space
- to request for the widget in the X-direction.
- .VS
- The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
- .VE
- When computing how large a window it needs, the widget will
- add this amount to the width it would normally need (as determined
- by the width of the things displayed in the widget); if the geometry
- manager can satisfy this request, the widget will end up with extra
- internal space to the left and/or right of what it displays inside.
- .LP
- .nf
- Name: \fBpadY\fR
- Class: \fBPad\fR
- Command-Line Switch: \fB\-pady\fR
- .fi
- .IP
- Specifies a non-negative value indicating how much extra space
- to request for the widget in the Y-direction.
- .VS
- The value may have any of the forms acceptable to \fBTk_GetPixels\fR.
- .VE
- When computing how large a window it needs, the widget will add
- this amount to the height it would normally need (as determined by
- the height of the things displayed in the widget); if the geometry
- manager can satisfy this request, the widget will end up with extra
- internal space above and/or below what it displays inside.
- .LP
- .nf
- Name: \fBrelief\fR
- Class: \fBRelief\fR
- Command-Line Switch: \fB\-relief\fR
- .fi
- .IP
- Specifies the 3-D effect desired for the widget. Acceptable
- .VS
- values are \fBraised\fR, \fBsunken\fR, \fBflat\fR, \fBridge\fR,
- and \fBgroove\fR.
- .VE
- The value
- indicates how the interior of the widget should appear relative
- to its exterior; for example, \fBraised\fR means the interior of
- the widget should appear to protrude from the screen, relative to
- the exterior of the widget.
- .LP
- .nf
- Name: \fBrepeatDelay\fR
- Class: \fBRepeatDelay\fR
- Command-Line Switch: \fB\-repeatdelay\fR
- .fi
- .IP
- Specifies the number of milliseconds a button or key must be held
- down before it begins to auto-repeat. Used, for example, on the
- up- and down-arrows in scrollbars.
- .LP
- .nf
- Name: \fBrepeatInterval\fR
- Class: \fBRepeatInterval\fR
- Command-Line Switch: \fB\-repeatinterval\fR
- .fi
- .IP
- Used in conjunction with \fBrepeatDelay\fR: once auto-repeat
- begins, this option determines the number of milliseconds between
- auto-repeats.
- .LP
- .nf
- Name: \fBscrollCommand\fR
- Class: \fBScrollCommand\fR
- Command-Line Switch: \fB\-scrollcommand\fR
- .fi
- .IP
- Specifies the prefix for a command used to communicate with scrollbar
- widgets. When the view in the widget's window changes (or
- 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
- 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
- the scrollbar to be updated whenever the view in the window changes.
- If this option is not specified, then no command will be executed.
- .IP
- .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.
- .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
- 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
-