ttk::radiobutton(3tk) Tk Themed Widget ttk::radiobutton(3tk)
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NAME
ttk::radiobutton - Mutually exclusive option widget
SYNOPSIS
ttk::radiobutton pathName ?options?
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DESCRIPTION
ttk::radiobutton widgets are used in groups to show or change a set of
mutually-exclusive options. Radiobuttons are linked to a Tcl variable,
and have an associated value; when a radiobutton is clicked, it sets
the variable to its associated value.
STANDARD OPTIONS
-class -compound -cursor
-image -state -style
-takefocus -text -textvariable
-underline -width
See the ttk_widget manual entry for details on the standard options.
WIDGET-SPECIFIC OPTIONS
Command-Line Name:-command
Database Name: command
Database Class: Command
A Tcl script to evaluate whenever the widget is invoked.
Command-Line Name:-value
Database Name: Value
Database Class: Value
The value to store in the associated -variable when the widget
is selected.
Command-Line Name:-variable
Database Name: variable
Database Class: Variable
The name of a global variable whose value is linked to the wid-
get. Default value is ::selectedButton.
WIDGET COMMAND
In addition to the standard cget, configure, identify, instate, and
state commands, radiobuttons support the following additional widget
commands:
pathname invoke
Sets the -variable to the -value, selects the widget, and evalu-
ates the associated -command. Returns the result of the -com-
mand, or the empty string if no -command is specified.
WIDGET STATES
The widget does not respond to user input if the disabled state is set.
The widget sets the selected state whenever the linked -variable is set
to the widget's -value, and clears it otherwise. The widget sets the
alternate state whenever the linked -variable is unset. (The alternate
state may be used to indicate a “tri-state” or “indeterminate” selec-
tion.)
STANDARD STYLES
Ttk::radiobutton widgets support the Toolbutton style in all standard
themes, which is useful for creating widgets for toolbars.
STYLING OPTIONS
The class name for a ttk::radiobutton is TRadiobutton.
Dynamic states: active, alternate, disabled, pressed, readonly, se-
lected.
TRadiobutton styling options configurable with ttk::style are:
-background color
-compound compound
-foreground color
-indicatorbackground color
-indicatorcolor color
-indicatormargin padding
-indicatorrelief relief
-padding padding
Some options are only available for specific themes.
See the ttk::style manual page for information on how to configure ttk
styles.
SEE ALSO
ttk::widget(3tk), ttk::checkbutton(3tk), radiobutton(3tk)
KEYWORDS
widget, button, option
Tk 8.5 ttk::radiobutton(3tk)
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