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# $XConsortium: optionMenu.tcl /main/1 1996/09/21 14:15:53 kaleb $
#
#
#
#
# $XFree86$
#
# optionMenu.tcl --
#
# This file defines the procedure tk_optionMenu, which creates
# an option button and its associated menu.
#
# @(#) optionMenu.tcl 1.6 95/01/06 11:18:53
#
# Copyright (c) 1994 The Regents of the University of California.
# Copyright (c) 1994 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# tk_optionMenu --
# This procedure creates an option button named $w and an associated
# menu. Together they provide the functionality of Motif option menus:
# they can be used to select one of many values, and the current value
# appears in the global variable varName, as well as in the text of
# the option menubutton. The name of the menu is returned as the
# procedure's result, so that the caller can use it to change configuration
# options on the menu or otherwise manipulate it.
#
# Arguments:
# w - The name to use for the menubutton.
# varName - Global variable to hold the currently selected value.
# firstValue - First of legal values for option (must be >= 1).
# args - Any number of additional values.
proc tk_optionMenu {w varName firstValue args} {
upvar #0 $varName var
if ![info exists var] {
set var $firstValue
}
menubutton $w -textvariable $varName -indicatoron 1 -menu $w.menu \
-relief raised -bd 2 -padx 4p -pady 4p -highlightthickness 2 \
-anchor c
menu $w.menu -tearoff 0
$w.menu add command -label $firstValue \
-command [list set $varName $firstValue]
foreach i $args {
$w.menu add command -label $i -command [list set $varName $i]
}
return $w.menu
}
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