Tcl/Tk Documentation > TkCmd > ttk_combobox
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- NAME
- ttk::combobox - text field with popdown selection list
- SYNOPSIS
- ttk::combobox pathName ?options?
- DESCRIPTION
- STANDARD OPTIONS
- WIDGET-SPECIFIC OPTIONS
- WIDGET COMMAND
- VIRTUAL EVENTS
- SEE ALSO
- KEYWORDS
NAME
ttk::combobox - text field with popdown selection listSYNOPSIS
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
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.
WIDGET COMMAND
The following subcommands are possible for combobox widgets:The combobox widget also supports the following ttk::entry widget subcommands (see ttk::entry(n) for details):
bbox delete icursor index insert selection xviewThe combobox widget also supports the following generic ttk::widget widget subcommands (see ttk::widget(n) 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, ttk::entryKEYWORDS
choice, entry, list box, text box, widgetCopyright © 1995-1997 Roger E. Critchlow Jr.
Copyright © 2004 Joe English