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Diffstat (limited to 'library/optMenu.tcl')
| -rw-r--r-- | library/optMenu.tcl | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/library/optMenu.tcl b/library/optMenu.tcl new file mode 100644 index 0000000..32ca096c --- /dev/null +++ b/library/optMenu.tcl @@ -0,0 +1,45 @@ +# optMenu.tcl -- +# +# This file defines the procedure tk_optionMenu, which creates +# an option button and its associated menu. +# +# SCCS: @(#) optMenu.tcl 1.11 97/08/22 14:21:13 +# +# 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 -highlightthickness 2 -anchor c \ + -direction flush + menu $w.menu -tearoff 0 + $w.menu add radiobutton -label $firstValue -variable $varName + foreach i $args { + $w.menu add radiobutton -label $i -variable $varName + } + return $w.menu +} |