[转载 ]Installing qtbindings (alt Qt-Ruby) on Ubuntu

1. Requirements
Qt 4.6.x
cmake 2.6.3+
gcc 4.x
Ruby

2. Install qtbindings.

$ gem install qtbindings
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Building native extensions.  This could take a while...
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Successfully installed qtbindings-4.6.3.2
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1 gem installed
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Installing ri documentation for qtbindings-4.6.3.2...
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Installing RDoc documentation for qtbindings-4.6.3.2...

3. Test.

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$ irb
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ruby-1.9.2-p180 :001 > require 'Qt'
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 => true
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ruby-1.9.2-p180 :002 > a = Qt::Application.new(ARGV)
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 => #<qt::application:0x88743dc objectname="irb">
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ruby-1.9.2-p180 :003 > button = Qt::PushButton.new('Hello World!',nil)
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 => #<qt::pushbutton:0x8a04db4 objectname="" ,="" x="0," y="0," width="640," height="480">
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ruby-1.9.2-p180 :004 > button.resize(300,30)
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 => nil
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ruby-1.9.2-p180 :005 > button.show()
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 => nil
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ruby-1.9.2-p180 :006 > a.exec()
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</qt::pushbutton:0x8a04db4></qt::application:0x88743dc>

5. Resouces.
RubyGems.org: http://rubygems.org/gems/qtbindings
QtBindings Homepage: https://github.com/ryanmelt/qtbindings
Qt Homepage: http://qt.nokia.com/