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. -class -compound -cursor -image -state -style -takefocus -text -textvariable -underline -width
WIDGET-SPECIFIC OPTIONS
[-command command Command] A Tcl script to evaluate whenever the widget is invoked. [-value Value Value] The value to store in the associated -variable when the widget is selected. [-variable 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, 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 or 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)
KEYWORDS
widget, button, option