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'\"
'\" Copyright (c) 2004 Joe English
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
'\" RCS: @(#) $Id: ttk_combobox.n,v 1.12 2007/12/10 16:21:01 jenglish Exp $
'\"
.so man.macros
.TH ttk::combobox n 8.5 Tk "Tk Themed Widget"
.BS
.SH NAME
ttk::combobox \- text field with popdown selection list
.SH SYNOPSIS
\fBttk::combobox\fR \fIpathName \fR?\fIoptions\fR?
.BE
.SH DESCRIPTION
A \fBttk::combobox\fR 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.
.SO
\-class \-cursor \-takefocus \-style
.SE
.\" ALSO: Other entry widget options
.SH "WIDGET-SPECIFIC OPTIONS"
.OP \-exportselection exportSelection ExportSelection
Boolean value.
If set, the widget selection is linked to the X selection.
.OP \-justify justify Justify
Specifies how the text is aligned within the widget.
One of \fBleft\fR, \fBcenter\fR, or \fBright\fR.
.OP \-height height Height
Specifies the height of the pop-down listbox, in rows.
.OP \-postcommand postCommand PostCommand
A Tcl script to evaluate immediately before displaying the listbox.
The \fB\-postcommand\fR script may specify the \fB\-values\fR to display.
.OP \-state state State
One of \fBnormal\fR, \fBreadonly\fR, or \fBdisabled\fR.
In the \fBreadonly\fR state,
the value may not be edited directly, and
the user can only select one of the \fB\-values\fR from the
dropdown list.
In the \fBnormal\fR state,
the text field is directly editable.
In the \fBdisabled\fR state, no interaction is possible.
.OP \-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.
.OP \-values values Values
Specifies the list of values to display in the drop-down listbox.
.OP \-width width Width
Specifies an integer value indicating the desired width of the entry window,
in average-size characters of the widget's font.
.SH "WIDGET COMMAND"
.TP
\fIpathName \fBcget\fR \fIoption\fR
Returns the current value of the specified \fIoption\fR.
See \fIttk::widget(n)\fR.
.TP
\fIpathName \fBconfigure\fR ?\fIoption\fR? ?\fIvalue option value ...\fR?
Modify or query widget options.
See \fIttk::widget(n)\fR.
.TP
\fIpathName \fBcurrent\fR ?\fInewIndex\fR?
If \fInewIndex\fR is supplied, sets the combobox value
to the element at position \fInewIndex\fR in the list of \fB\-values\fR.
Otherwise, returns the index of the current value in the list of
\fB\-values\fR or \fB\-1\fR if the current value does not appear in the list.
.TP
\fIpathName \fBget\fR
Returns the current value of the combobox.
.TP
\fIpathName \fBidentify \fIx y\fR
Returns the name of the element at position \fIx\fR, \fIy\fR,
or the empty string if the coordinates are outside the window.
.TP
\fIpathName \fBinstate \fIstateSpec\fR ?\fIscript\fR?
Test the widget state.
See \fIttk::widget(n)\fR.
.TP
\fIpathName \fBset\fR \fIvalue\fR
Sets the value of the combobox to \fIvalue\fR.
.TP
\fIpathName \fBstate\fR ?\fIstateSpec\fR?
Modify or query the widget state.
See \fIttk::widget(n)\fR.
.PP
The combobox widget also supports the following \fIttk::entry\fR
widget commands (see \fIttk::entry(n)\fR for details):
.DS
.ta 5.5c 11c
\fBbbox\fR \fBdelete\fR \fBicursor\fR
\fBindex\fR \fBinsert\fR \fBselection\fR
\fBxview\fR
.DE
.SH "VIRTUAL EVENTS"
The combobox widget generates a \fB<<ComboboxSelected>>\fR virtual event
when the user selects an element from the list of values.
This event is generated after the listbox is unposted.
.SH "SEE ALSO"
ttk::widget(n), ttk::entry(n)
.SH KEYWORDS
choice, entry, list box, text box, widget
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