ttk_radiobutton man page

ttk::radiobutton — Mutually exclusive option widget


ttk::radiobutton pathName ?options?


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.

See Also

ttk::widget(n), ttk::checkbutton(n), radiobutton(n)


widget, button, option


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