ttk::combobox(n) Tk Themed Widget ttk::combobox(n)______________________________________________________________________________NAMEttk::combobox - text field with popdown selection list
SYNOPSISttk::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] Boolean value. If set, the widget
selection is linked to the X selection. [-justify justify] Specifies
how the text is aligned within the widget. Must be one of left, cen‐
ter, or right. [-height height] Specifies the height of the pop-down
listbox, in rows. [-postcommand postCommand] A Tcl script to evaluate
immediately before displaying the listbox. The -postcommand script may
specify the -values to display. [-state state] One of normal, read‐
only, 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] 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]
Specifies the list of values to display in the drop-down listbox.
[-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
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. 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 sub‐
commands (see ttk::entry(n) for details):
bbox delete icursor
index insert selection xview The combobox
widget also supports the following generic ttk::widget widget subcom‐
mands (see ttk::widget(n) for details): cget config‐
ure identify instate state
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 ALSOttk::widget(n), ttk::entry(n)KEYWORDS
choice, entry, list box, text box, widget
Tk 8.5 ttk::combobox(n)
