Bryan Oakley's combobox package is a library extension for Tcl/Tk version 8.0 or higher, written in pure Tcl/Tk code. Its download location is
http://www.purl.org/net/oakley/tcl/combobox/index.html
Tablelist supports interactive cell editing with the aid of the combobox widget implemented in the package mentioned above. The steps needed for using this widget for editing the cells of a given column are as follows:
tablelist::addOakleyCombobox
command described below.
columnconfigure
subcommand to set the given column's -editable option to
true and its -editwindow option
to the value returned by the command mentioned above. (These
options are supported at cell level, too, with the aid of the
cellconfigure
subcommand.)
tablelist::addOakleyCombobox
Commandtablelist::addOakleyCombobox - Register Bryan Oakley's
combobox widget for interactive cell editing
tablelist::addOakleyCombobox ?name?
-editwindow column
or cell configuration option. It may be any string that is
different from entry, spinbox,
checkbutton, ttk::entry,
ttk::checkbutton, and
ttk::combobox. The default is
combobox. The command returns its
name argument.
name will be created with its
-editable option set to 1. You
can use the script corresponding to the -editstartcommand
tablelist configuration option to make the combobox non-editable or
define validations for its entry child (whose path name can be obtained
by invoking the tablelist widget's entrypath subcommand,
or by appending .entry to the path name of the
combobox widget, or, if using combobox version 2.3 or later, with the
aid of the combobox widget's subwidget
entry subcommand), as well as for populating its
listbox component (by using the combobox widget's list
insert subcommand).