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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: timer,v 1.2 1998/09/14 18:23:30 stanton Exp $
-
- 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 .
-