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



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NAME
       ttk::checkbutton - On/off widget

SYNOPSIS
       ttk::checkbutton pathName ?options?
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DESCRIPTION
       A ttk::checkbutton widget is used to show or change a setting.  It has two states, selected and dese-lected. deselected.
       lected.  The state of the checkbutton may be linked to a Tcl variable.

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 execute whenever the widget is invoked.

       Command-Line Name:-offvalue
       Database Name:  offValue
       Database Class: OffValue

              The value to store in the associated -variable when the widget is deselected.  Defaults to  0.

       Command-Line Name:-onvalue
       Database Name:  onValue
       Database Class: OnValue

              The value to store in the associated -variable when the widget is selected.  Defaults to 1.

       Command-Line Name:-variable
       Database Name:  variable
       Database Class: Variable

              The  name  of  a  global variable whose value is linked to the widget.  Defaults to the widget
              pathname if not specified.

WIDGET COMMAND
       In addition to the standard cget, configure, identify, instate, and state commands, checkbuttons sup-port support
       port the following additional widget commands:

       pathname invoke
              Toggles  between the selected and deselected states and evaluates the associated -command.  If
              the widget is currently selected, sets the -variable to the -offvalue and deselects  the  wid-get; widget;
              get; otherwise, sets the -variable to the -onvalue Returns the result of the -command.

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 -onvalue, 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::checkbutton widgets support the Toolbutton style in all standard themes,  which  is  useful  for
       creating widgets for toolbars.

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

KEYWORDS
       widget, button, toggle, check, option



Tk                                                   8.5                                 ttk::checkbutton(n)