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NAME
ComboBox - ComboBox widget
CREATION
ComboBox pathName ?option value...?
OPTIONS from ArrowButton
  -background or -bg   -disabledforeground
  -foreground or -fg   -state
OPTIONS from Entry
  -command   -disabledforeground
  -dragenabled   -dragendcmd
  -dragevent   -draginitcmd
  -dragtype   -dropcmd
  -dropenabled   -dropovercmd
  -droptypes   -editable
  -entrybg (see -background)   -entryfg (see -foreground)
  -exportselection   -font
  -helptext   -helptype
  -helpvar   -highlightbackground
  -highlightcolor   -highlightthickness
  -insertbackground   -insertborderwidth
  -insertofftime   -insertontime
  -insertwidth   -justify
  -selectbackground   -selectborderwidth
  -selectforeground   -show
  -state   -takefocus
  -text   -textvariable
  -width   -xscrollcommand
WIDGET-SPECIFIC OPTIONS
  -height
  -modifycmd
  -postcommand
  -values
WIDGET COMMAND
pathName bind ?arg...?
pathName cget option
pathName configure ?option? ?value option value ...?
pathName getvalue
pathName setvalue index



DESCRIPTION

ComboBox widget enables the user to select a value among a list given by the values option. The list of possible values can be popped by pressing the ArrowButton or by clicking in the entry when editable value of the ComboBox is false.
If editable value of the ComboBox is true and the entry has the focus, the user can press the top and bottom arrow keys to modify its value. If the current value exactly match a value in the list, then the previous (for top arrow key) or then next (for bottom arrow key) value in the list is displayed. If the current value match the beginning of a value in the list, then this value is displayed. If the current value doesnt match anything, then the first value is displayed.




WIDGET-SPECIFIC OPTIONS
-height
Specifies the desired height for the window, in lines. If zero or less, then the desired height for the window is made just large enough to hold all the elements in the listbox.
-modifycmd
Specifies a Tcl command called when the user modify the value of the ComboBox by selecting it in the listbox or pressing arrow key.
-postcommand
Specifies a Tcl command called before the listbox of the ComboBox is mapped.
-values
Specifies the values to display in the listbox of the ComboBox.


WIDGET COMMAND
pathName bind ?arg...?
Set bindings on the entry widget.
pathName cget option
Returns the current value of the configuration option given by option. Option may have any of the values accepted by the creation command.
pathName configure ?option? ?value option value ...?
Query or modify the configuration options of the widget. If no option is specified, returns a list describing all of the available options for pathName. If option is specified with no value, then the command returns a list describing the one named option (this list will be identical to the corresponding sublist of the value returned if no option is specified). If one or more option-value pairs are specified, then the command modifies the given widget option(s) to have the given value(s); in this case the command returns an empty string. Option may have any of the values accepted by the creation command. Read-only options are not be modified.
pathName getvalue
Returns the index of the current text of the ComboBox in the list of values, or -1 if it doesn't match any value.
pathName setvalue index
Set the text of the ComboBox to the value indicated by index in the list of values. index may be specified in any of the following forms:

last
Specifies the last element of the list of values.
first
Specifies the first element of the list of values.
next
Specifies the element following the current (ie returned by getvalue) in the list of values.
previous
Specifies the element preceding the current (ie returned by getvalue) in the list of values.
@number
Specifies the integer index in the list of values.


BINDINGS

When Entry of the ComboBox has the input focus, it has the following bindings, in addition to the default Entry bindings:
  • Page up set the value of the ComboBox to the first value.
  • Page down set the value of the ComboBox to the last value.
  • Arrow up set the value of the ComboBox to the previous value.
  • Arrow down set the value of the ComboBox to the next value.
If the listbox is not mapped and ComboBox is not editable or disabled, mouse button 1 on the Entry cause the listbox to popup, as if the user press the ArrowButton.