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-rw-r--r--ruby_1_8_6/ext/tk/sample/demos-en/timer136
1 files changed, 136 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/tk/sample/demos-en/timer b/ruby_1_8_6/ext/tk/sample/demos-en/timer
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+++ b/ruby_1_8_6/ext/tk/sample/demos-en/timer
@@ -0,0 +1,136 @@
+#!/usr/bin/env ruby
+#
+# timer --
+# This script generates a counter with start,stop and reset buttons.
+#
+# Copyright (C) 1998 Takaaki Tateishi (ttate@jaist.ac.jp)
+# last update: Sat Jun 27 12:24:14 JST 1998
+#
+
+require "tk"
+require "thread"
+require "tkafter"
+
+$time = "0.00"
+$m = Mutex.new
+$loop = false
+
+def timer_stop
+ $loop = false
+ $m.lock
+end
+
+def timer_start
+ $loop = true
+ $m.unlock
+end
+
+def timer_reset
+ $time = "0.00"
+ $root.countframe.counter['text'] = $time
+end
+
+def timer_loop
+ if $loop
+ $time = $time.succ
+ $root.countframe.counter['text'] = $time
+ end
+ Tk.after(10,proc{timer_loop})
+end
+
+
+#
+# thread version
+#
+def timer_loop2
+ while true
+ $m.lock
+ $time = $time.succ
+ $root.countframe.counter['text'] = $time
+ sleep(0.01)
+ $m.unlock
+ end
+end
+
+#
+# TkAfter
+#
+def timer_loop3
+ if $loop
+ $time = $time.succ
+ $root.countframe.counter['text'] = $time
+ end
+end
+
+
+class CountFrame < TkFrame
+ attr_reader :counter
+
+ def initialize(parent=nil,keys=nil)
+ super(parent,keys)
+ @counter = TkLabel.new(self,
+ 'text'=>$time,
+ 'relief'=>'raised')
+ @counter.pack('fill'=>'both')
+ self
+ end
+end
+
+
+class ButtonFrame < TkFrame
+ def initialize(parent=nil,keys=nil)
+ super(parent,keys)
+=begin
+ @stop = TkButton.new(self,
+ 'text'=>'Stop',
+ 'command'=>proc{timer_stop})
+ @start = TkButton.new(self,
+ 'text'=>'Start',
+ 'command'=>proc{timer_start})
+=end
+ @stop = TkButton.new(self, :text=>'Stop', :state=>:disabled)
+ @start = TkButton.new(self, :text=>'Start', :state=>:normal)
+
+ @stop.command proc{
+ timer_stop
+ @start.state(:normal)
+ @stop.state(:disabled)
+ }
+ @start.command proc{
+ timer_start
+ @stop.state(:normal)
+ @start.state(:disabled)
+ }
+
+ @reset = TkButton.new(self,
+ 'text'=>'Reset',
+ 'command'=>proc{timer_reset})
+ for b in [@stop,@start,@reset]
+ b.pack('side'=>'left', 'fill'=>'both', 'expand'=>'yes')
+ end
+ end
+end
+
+
+class Timer < TkRoot
+ attr_reader :countframe
+
+ def initialize(*args)
+ super(*args)
+ @countframe = CountFrame.new(self)
+ @buttonframe = ButtonFrame.new(self)
+ for f in [@buttonframe,@countframe]
+ f.pack('side'=>'top', 'fill'=>'both')
+ end
+ self
+ end
+end
+
+
+$root = Timer.new
+
+#$thread = Thread.start{timer_loop2}
+#timer_loop
+TkAfter.new(10,-1,proc{timer_loop3}).start
+
+Tk.mainloop