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



ttk::combobox - text field with popdown selection list


ttk::combobox pathName ?options? ______________________________________________________________________________


A ttk::combobox combines a text field with a pop-down list of values; the user may select the value of the text field from among the values in the list.


-class -cursor -takefocus -style See the ttk_widget manual entry for details on the standard options. WIDGET-SPECIFIC OPTIONS Command-Line Name:-exportselection Database Name: exportSelection Database Class: ExportSelection Boolean value. If set, the widget selection is linked to the X selection. Command-Line Name:-justify Database Name: justify Database Class: Justify Specifies how the text is aligned within the widget. Must be one of left, center, or right. Command-Line Name:-height Database Name: height Database Class: Height Specifies the height of the pop-down listbox, in rows. Command-Line Name:-postcommand Database Name: postCommand Database Class: PostCommand A Tcl script to evaluate immediately before displaying the listbox. The -postcommand script may specify the -values to display. Command-Line Name:-state Database Name: state Database Class: State One of normal, readonly, or disabled. In the readonly state, the value may not be edited directly, and the user can only select one of the -values from the dropdown list. In the normal state, the text field is directly editable. In the disabled state, no interaction is possible. Command-Line Name:-textvariable Database Name: textVariable Database Class: TextVariable Specifies the name of a global variable whose value is linked to the widget value. Whenever the variable changes value the widget value is updated, and vice versa. Command-Line Name:-values Database Name: values Database Class: Values Specifies the list of values to display in the drop-down listbox. Command-Line Name:-width Database Name: width Database Class: Width Specifies an integer value indicating the desired width of the entry window, in average-size characters of the widget's font.


The following subcommands are possible for combobox widgets: pathName current ?newIndex? If newIndex is supplied, sets the combobox value to the element at position newIndex in the list of -values (in addition to integers, the end index is supported and indicates the last element of the list). Otherwise, returns the index of the current value in the list of -values or -1 if the current value does not appear in the list. pathName get Returns the current value of the combobox. pathName set value Sets the value of the combobox to value. The combobox widget also supports the following ttk::entry widget subcommands (see ttk::entry(n) for details): bbox delete icursor index insert selection xview The combobox widget also supports the following generic ttk::widget widget subcommands (see ttk::widget(n) for details): cget configure identify instate state


The combobox widget generates a <<ComboboxSelected>> virtual event when the user selects an element from the list of values. If the selection action unposts the listbox, this event is delivered after the listbox is unposted.


The class name for a ttk::combobox is TCombobox. The ttk::combobox uses the entry and listbox widgets internally. The listbox frame has a class name of ComboboxPopdownFrame. Dynamic states: disabled, focus, pressed, readonly. TCombobox styling options configurable with ttk::style are: -arrowcolor color -arrowsize amount -background color -bordercolor color -darkcolor color -focusfill color -foreground color -fieldbackground color Can only be changed when using non-native and non-graphical themes. -insertcolor color -insertwidth amount -lightcolor color -padding padding -postoffset padding -selectbackground color Text entry select background. -selectforeground color Text entry select foreground. The ttk::combobox popdown listbox cannot be configured using ttk::style nor via the widget configure command. The listbox can be configured using the option database. option add *TCombobox*Listbox.background color option add *TCombobox*Listbox.font font option add *TCombobox*Listbox.foreground color option add *TCombobox*Listbox.selectBackground color option add *TCombobox*Listbox.selectForeground color To configure a specific listbox (subject to future change): set popdown [ttk::combobox::PopdownWindow .mycombobox] $popdown.f.l configure -font font ComboboxPopdownFrame styling options configurable with ttk::style are: -borderwidth amount -relief relief Some options are only available for specific themes. See the ttk::style manual page for information on how to configure ttk styles.


ttk::widget(n), ttk::entry(n)


choice, entry, list box, text box, widget Tk 8.5 ttk::combobox(n)

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