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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 1.7 2007/10/23 15:44:35 dkf Exp $
'\"
.so man.macros
.TH ttk_combobox n 8.5 Tk "Tk Themed Widget"
.BS
.\" Use _ instead of :: as the name becomes a filename on install
.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.
.BE
.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
bbox delete icursor
index insert selection
xview
.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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