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.
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. 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(3tk) for details):
bbox delete icursor
index insert selection
xview
The combobox widget also supports the following generic
ttk::widget
widget subcommands (see
ttk::widget(3tk) for details):
cget configure 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 ALSO¶
ttk::widget(3tk), ttk::entry(3tk)
KEYWORDS¶
choice, entry, list box, text box, widget