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author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 12:13:05 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-01-16 12:13:05 +0000 |
commit | 3db12e8b236ac8f88db8eb4690d10e4a3b8dbcd4 (patch) | |
tree | b3c086e437cab449f90ba637710daed0ddfec4c4 /sample/tktimer.rb | |
parent | 392296c12de9d7f9be03a8205250ba0844cb9d38 (diff) | |
download | ruby-3db12e8b236ac8f88db8eb4690d10e4a3b8dbcd4.tar.gz |
Initial revisionv1_0_r2
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'sample/tktimer.rb')
-rw-r--r-- | sample/tktimer.rb | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sample/tktimer.rb b/sample/tktimer.rb new file mode 100644 index 0000000000..34377e2f39 --- /dev/null +++ b/sample/tktimer.rb @@ -0,0 +1,50 @@ +#!/usr/local/bin/ruby +# This script generates a counter with start and stop buttons. + +require "tk" +$label = TkLabel.new { + text '0.00' + relief 'raised' + width 10 + pack('side'=>'bottom', 'fill'=>'both') +} + +TkButton.new { + text 'Start' + command proc { + if $stopped + $stopped = FALSE + tick + end + } + pack('side'=>'left','fill'=>'both','expand'=>'yes') +} +TkButton.new { + text 'Stop' + command proc{ + exit if $stopped + $stopped = TRUE + } + pack('side'=>'right','fill'=>'both','expand'=>'yes') +} + +$seconds=0 +$hundredths=0 +$stopped=TRUE + +def tick + if $stopped then return end + Tk.after 50, proc{tick} + $hundredths+=5 + if $hundredths >= 100 + $hundredths=0 + $seconds+=1 + end + $label.text format("%d.%02d", $seconds, $hundredths) +end + +root = Tk.root +root.bind "Control-c", proc{root.destroy} +root.bind "Control-q", proc{root.destroy} +Tk.root.focus +Tk.mainloop |