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4c3328f547
* (bug fix) some widget demos * support <TkVariable object> == <Symbol> ( "coerce TkVariable" add to the TODO list :-) ) * freeze some object for security reason git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4282 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
136 lines
2.3 KiB
Ruby
136 lines
2.3 KiB
Ruby
#!/usr/bin/env ruby
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#
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# timer --
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# This script generates a counter with start,stop and reset buttons.
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#
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# Copyright (C) 1998 Takaaki Tateishi (ttate@jaist.ac.jp)
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# last update: Sat Jun 27 12:24:14 JST 1998
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#
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require "tk"
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require "thread"
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require "tkafter"
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$time = "0.00"
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$m = Mutex.new
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$loop = false
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def timer_stop
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$loop = false
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$m.lock
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end
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def timer_start
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$loop = true
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$m.unlock
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end
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def timer_reset
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$time = "0.00"
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$root.countframe.counter['text'] = $time
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end
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def timer_loop
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if $loop
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$time = $time.succ
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$root.countframe.counter['text'] = $time
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end
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Tk.after(10,proc{timer_loop})
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end
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#
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# thread version
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#
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def timer_loop2
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while true
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$m.lock
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$time = $time.succ
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$root.countframe.counter['text'] = $time
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sleep(0.01)
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$m.unlock
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end
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end
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#
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# TkAfter
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#
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def timer_loop3
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if $loop
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$time = $time.succ
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$root.countframe.counter['text'] = $time
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end
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end
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class CountFrame < TkFrame
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attr_reader :counter
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def initialize(parent=nil,keys=nil)
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super(parent,keys)
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@counter = TkLabel.new(self,
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'text'=>$time,
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'relief'=>'raised')
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@counter.pack('fill'=>'both')
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self
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end
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end
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class ButtonFrame < TkFrame
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def initialize(parent=nil,keys=nil)
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super(parent,keys)
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=begin
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@stop = TkButton.new(self,
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'text'=>'Stop',
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'command'=>proc{timer_stop})
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@start = TkButton.new(self,
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'text'=>'Start',
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'command'=>proc{timer_start})
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=end
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@stop = TkButton.new(self, :text=>'Stop', :state=>:disabled)
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@start = TkButton.new(self, :text=>'Start', :state=>:normal)
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@stop.command proc{
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timer_stop
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@start.state(:normal)
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@stop.state(:disabled)
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}
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@start.command proc{
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timer_start
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@stop.state(:normal)
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@start.state(:disabled)
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}
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@reset = TkButton.new(self,
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'text'=>'Reset',
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'command'=>proc{timer_reset})
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for b in [@stop,@start,@reset]
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b.pack('side'=>'left', 'fill'=>'both', 'expand'=>'yes')
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end
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end
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end
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class Timer < TkRoot
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attr_reader :countframe
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def initialize(*args)
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super(*args)
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@countframe = CountFrame.new(self)
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@buttonframe = ButtonFrame.new(self)
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for f in [@buttonframe,@countframe]
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f.pack('side'=>'top', 'fill'=>'both')
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end
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self
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end
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end
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$root = Timer.new
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#$thread = Thread.start{timer_loop2}
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#timer_loop
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TkAfter.new(10,-1,proc{timer_loop3}).start
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Tk.mainloop
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