ttk::checkbutton
NAMESYNOPSIS
DESCRIPTION
STANDARD OPTIONS
WIDGET-SPECIFIC OPTIONS
WIDGET COMMAND
WIDGET STATES
STANDARD STYLES
SEE ALSO
KEYWORDS
___________________________
NAME
ttk::checkbutton − On/off widget
SYNOPSIS
ttk::checkbutton pathName ?options? ___________________________
DESCRIPTION
A ttk::checkbutton widget is used to show or change a setting. It has two states, selected and deselected. 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
support 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 widget; 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
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