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ruby--ruby/ext/tcltklib/demo/lines4.rb
nagai 4c4631c2da * renewal Ruby/Tk
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6237 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2004-05-01 16:09:54 +00:00

54 lines
860 B
Ruby

#! /usr/local/bin/ruby
require "tk"
def drawlines()
print Time.now, "\n"
for j in 0 .. 99
print "*"
$stdout.flush
if (j & 1) != 0
col = "blue"
else
col = "red"
end
for i in 0 .. 99
# TkCore::INTERP.__invoke($a.path, "create", "line", i.to_s, '0', '0', (500 - i).to_s, "-fill", col)
end
end
print Time.now, "\n"
for j in 0 .. 99
print "*"
$stdout.flush
if (j & 1) != 0
col = "blue"
else
col = "red"
end
for i in 0 .. 99
TkCore::INTERP.__invoke($a.path, "create", "line", i.to_s, '0', '0', (500 - i).to_s, "-fill", col)
end
end
print Time.now, "\n"
# Tk.root.destroy
end
$a = TkCanvas.new{
height(500)
width(500)
}
$b = TkButton.new{
text("draw")
command(proc{drawlines()})
}
TkPack.configure($a, $b, {"side"=>"left"})
Tk.mainloop
# eof