1ttk::checkbutton(n)            Tk Themed Widget            ttk::checkbutton(n)
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NAME

8       ttk::checkbutton - On/off widget
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SYNOPSIS

11       ttk::checkbutton pathName ?options?
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DESCRIPTION

15       A  ttk::checkbutton widget is used to show or change a setting.  It has
16       two states, selected and deselected.  The state of the checkbutton  may
17       be linked to a Tcl variable.
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STANDARD OPTIONS

20       -class                -compound            -cursor
21       -image                -state               -style
22       -takefocus            -text                -textvariable
23       -underline            -width
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25       See the ttk_widget manual entry for details on the standard options.
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WIDGET-SPECIFIC OPTIONS

28       Command-Line Name:-command
29       Database Name:  command
30       Database Class: Command
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32              A Tcl script to execute whenever the widget is invoked.
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34       Command-Line Name:-offvalue
35       Database Name:  offValue
36       Database Class: OffValue
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38              The  value  to store in the associated -variable when the widget
39              is deselected.  Defaults to 0.
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41       Command-Line Name:-onvalue
42       Database Name:  onValue
43       Database Class: OnValue
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45              The value to store in the associated -variable when  the  widget
46              is selected.  Defaults to 1.
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48       Command-Line Name:-variable
49       Database Name:  variable
50       Database Class: Variable
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52              The  name of a global variable whose value is linked to the wid‐
53              get.  Defaults to the widget pathname if not specified.
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WIDGET COMMAND

56       In addition to the standard cget,  configure,  identify,  instate,  and
57       state  commands,  checkbuttons  support the following additional widget
58       commands:
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60       pathname invoke
61              Toggles between the selected and deselected states and evaluates
62              the  associated  -command.  If the widget is currently selected,
63              sets the -variable to the -offvalue and  deselects  the  widget;
64              otherwise, sets the -variable to the -onvalue Returns the result
65              of the -command.
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WIDGET STATES

68       The widget does not respond to user input if the disabled state is set.
69       The widget sets the selected state whenever the linked -variable is set
70       to the widget's -onvalue, and clears it otherwise.  The widget sets the
71       alternate state whenever the linked -variable is unset.  (The alternate
72       state may be used to indicate a “tri-state” or  “indeterminate”  selec‐
73       tion.)
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STANDARD STYLES

76       Ttk::checkbutton  widgets  support the Toolbutton style in all standard
77       themes, which is useful for creating widgets for toolbars.
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SEE ALSO

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

83       widget, button, toggle, check, option
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87Tk                                    8.5                  ttk::checkbutton(n)
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