Module: Btk
Class Method Summary
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Instance Method Summary
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Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(name, *argv, &block) ⇒ Object
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# File 'lib/btk.rb', line 54
def method_missing(name,*argv,&block)
if name.to_s =~ /^sig_(.*)$/
return self.signal_connect($1,&block)
else
ob=eval("Btk.#{name}(*argv,&block)")
if self.respond_to? 'pack_start'
opts=Array(Btk.get_options(argv)[:pack])
default_opts=[true,true,0]
opts.each_index{|idx|
default_opts[idx]=opts[idx] unless opts[idx].nil?
}
opts=default_opts
self.pack_start(ob,opts[0],opts[1],opts[2])
elsif self.respond_to? 'add'
self.add(ob)
end
return ob
end
end
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Class Method Details
.get_options(argv) ⇒ Object
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# File 'lib/btk.rb', line 8
def self.get_options(argv)
options={}
if argv.last.is_a? Hash
options=argv.pop
end
options
end
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.method_missing(name, *argv, &block) ⇒ Object
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# File 'lib/btk.rb', line 16
def self.method_missing(name,*argv,&block)
real_name=nil
[Gtk,Object].each{|t|
if t.const_defined?(name.to_sym)
real_name="#{t.name}::#{name}"
end
}
raise "undefined class #{name}" unless real_name
name=real_name
options=get_options(argv)
ob=eval("#{name}.new(#{parse_params(:argv,argv)})")
options.each{|key,value|
next if key==:pack
ob_method=nil
methods=["#{key}=".to_s,"set_#{key}".to_s]
methods.each{|method|
if ob.respond_to?(method)
ob_method=method
break
end
}
ob_method or raise "cannot find method in #{methods.join(',')}"
value=Array(value)
eval("ob.send(ob_method,#{parse_params(:value,value)})")
}
if block_given?
yield(ob)
end
ob
end
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.parse_params(name, argv) ⇒ Object
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# File 'lib/btk.rb', line 4
def self.parse_params(name,argv)
(0..Array(argv).size-1).collect{|idx| "#{name}[#{idx}]"}.join(',')
end
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