ttk::combobox
Section: Tk Themed Widget (n)
Updated: 8.5
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NAME
ttk::combobox - text field with popdown selection list
SYNOPSIS
ttk::combobox pathName ?options?
DESCRIPTION
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.
STANDARD OPTIONS
-class -cursor-takefocus
-style
See the ttk_widget manual entry for details on the standard options.
WIDGET-SPECIFIC OPTIONS
[ -exportselection exportSelection ExportSelection ]
Boolean value.
If set, the widget selection is linked to the X selection.
[ -justify justify Justify ]
Specifies how the text is aligned within the widget.
One of left, center, or right.
[ -height height Height ]
Specifies the height of the pop-down listbox, in rows.
[ -postcommand postCommand PostCommand ]
A Tcl script to evaluate immediately before displaying the listbox.
The -postcommand script may specify the -values to display.
[ -state state 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.
[ -textvariable textVariable TextVariable ]
Specifies the name of a variable whose value is linked
to the widget value.
Whenever the variable changes value the widget value is updated,
and vice versa.
[ -values values Values ]
Specifies the list of values to display in the drop-down listbox.
[ -width width Width ]
Specifies an integer value indicating the desired width of the entry window,
in average-size characters of the widget's font.
WIDGET COMMAND
- pathName cget option
-
Returns the current value of the specified option.
See ttk::widget(n).
- pathName configure ?option? ?value option value ...?
-
Modify or query widget options.
See ttk::widget(n).
- pathName current ?newIndex?
-
If newIndex is supplied, sets the combobox value
to the element at position newIndex in the list of -values.
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 identify x y
-
Returns the name of the element at position x, y.
See ttk::widget(n).
- pathName instate stateSpec ?script?
-
Test the widget state.
See ttk::widget(n).
- pathName set value
-
Sets the value of the combobox to value.
- pathName state ?stateSpec?
-
Modify or query the widget state.
See ttk::widget(n).
The combobox widget also supports the following ttk::entry
widget commands (see ttk::entry(n) for details):
-
bbox deleteicursor
index insertselection
xview
VIRTUAL EVENTS
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.
SEE ALSO
ttk::widget(n), ttk::entry(n)
KEYWORDS
choice, entry, list box, text box, widget