TTK::RADIOBUTTON - reference manual online
Mutually exclusive option widget.
radiobutton(3tcl) Tile Widget Set radiobutton(3tcl)
NAME ttk::radiobutton - Mutually exclusive option widget SYNOPSIS ttk::radiobutton pathName ?options? DESCRIPTION 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. -class -com‐ pound -cursor -image -state -style -takefocus -text -textvariable -under‐ line -width OPTIONS [-command command] A Tcl script to evaluate whenever the widget is invoked. [-value Value] The value to store in the associated -variable when the widget is selected. [-variable 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, 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'' selec‐ tion.) SEE ALSO widget(n), keynav(n), checkbutton(n) KEYWORDS widget, button, optiontile 0.2 radiobutton(3tcl)