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#!/bin/sh
# the next line restarts using wish \
exec wish "$0" "$@"
# timer --
# This script generates a counter with start and stop buttons.
#
# RCS: @(#) $Id$
label .counter -text 0.00 -relief raised -width 10
button .start -text Start -command {
if $stopped {
set stopped 0
tick
}
}
button .stop -text Stop -command {set stopped 1}
pack .counter -side bottom -fill both
pack .start -side left -fill both -expand yes
pack .stop -side right -fill both -expand yes
set seconds 0
set hundredths 0
set stopped 1
proc tick {} {
global seconds hundredths stopped
if $stopped return
after 50 tick
set hundredths [expr $hundredths+5]
if {$hundredths >= 100} {
set hundredths 0
set seconds [expr $seconds+1]
}
.counter config -text [format "%d.%02d" $seconds $hundredths]
}
bind . <Control-c> {destroy .}
bind . <Control-q> {destroy .}
focus .
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