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ttk::radiobutton(n)            Tk Themed Widget            ttk::radiobutton(n)

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NAME

ttk::radiobutton - Mutually exclusive option widget

SYNOPSIS

ttk::radiobutton pathName ?options? ______________________________________________________________________________

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 widget. 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 evaluates the associated -command. Returns the result of the -command, 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" selection.)

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, selected. 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(n), ttk::checkbutton(n), radiobutton(n)

KEYWORDS

widget, button, option Tk 8.5 ttk::radiobutton(n)

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