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Commit | Line | Data |
---|---|---|
6a5fa4e0 MG |
1 | #!/usr/local/bin/wish -f |
2 | # | |
3 | # This script generates a counter with start and stop buttons. | |
4 | ||
5 | label .counter -text 0.00 -relief raised -width 10 | |
6 | button .start -text Start -command "set stop 0; tick" | |
7 | button .stop -text Stop -command {set stop 1} | |
8 | pack append . .counter {bot fill} .start {left expand fill} \ | |
9 | .stop {right expand fill} | |
10 | ||
11 | set seconds 0 | |
12 | set hundredths 0 | |
13 | set stop 0 | |
14 | ||
15 | proc tick {} { | |
16 | global seconds hundredths stop | |
17 | if $stop return | |
18 | after 20 tick | |
19 | set hundredths [expr $hundredths+2] | |
20 | if {$hundredths >= 100} { | |
21 | set hundredths 0 | |
22 | set seconds [expr $seconds+1] | |
23 | } | |
24 | .counter config -text [format "%d.%2d" $seconds $hundredths] | |
25 | } | |
26 | ||
27 | bind . <Control-c> {destroy .} | |
28 | bind . <Control-q> {destroy .} | |
29 | focus . |