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50 lines
921 B
Ruby
50 lines
921 B
Ruby
#! /usr/local/bin/ruby
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require "tcltk"
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def drawlines()
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print Time.now, "\n"
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for j in 0 .. 99
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print "*"
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$stdout.flush
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if (j & 1) != 0
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col = "blue"
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else
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col = "red"
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end
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for i in 0 .. 99
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# $a.e("create line", i, 0, 0, 500 - i, "-fill", col)
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end
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end
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print Time.now, "\n"
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for j in 0 .. 99
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print "*"
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$stdout.flush
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if (j & 1) != 0
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col = "blue"
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else
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col = "red"
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end
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for i in 0 .. 99
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$a.e("create line", i, 0, 0, 500 - i, "-fill", col)
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end
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end
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print Time.now, "\n"
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# $ip.commands()["destroy"].e($root)
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end
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$ip = TclTkInterpreter.new()
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$root = $ip.rootwidget()
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$a = TclTkWidget.new($ip, $root, "canvas", "-height 500 -width 500")
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$c = TclTkCallback.new($ip, proc{drawlines()})
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$b = TclTkWidget.new($ip, $root, "button", "-text draw -command", $c)
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$ip.commands()["pack"].e($a, $b, "-side left")
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TclTk.mainloop
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# eof
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