/usr/lib/ruby/2.3.0/tk/radiobutton.rb is in ruby2.3-tcltk 2.3.0-5ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# tk/radiobutton.rb : treat radiobutton widget
#
require 'tk'
require 'tk/button'
class Tk::RadioButton<Tk::Button
TkCommandNames = ['radiobutton'.freeze].freeze
WidgetClassName = 'Radiobutton'.freeze
WidgetClassNames[WidgetClassName] ||= self
#def create_self(keys)
# if keys and keys != None
# tk_call_without_enc('radiobutton', @path, *hash_kv(keys, true))
# else
# tk_call_without_enc('radiobutton', @path)
# end
#end
#private :create_self
def __boolval_optkeys
super() << 'indicatoron'
end
private :__boolval_optkeys
def __strval_optkeys
super() << 'selectcolor'
end
private :__strval_optkeys
def __ruby2val_optkeys # { key=>proc, ... }
{
'variable'=>proc{|v| tk_trace_variable(v)} # for backward compatibility
}
end
private :__ruby2val_optkeys
def deselect
tk_send_without_enc('deselect')
self
end
def select
tk_send_without_enc('select')
self
end
def get_value
var = tk_send_without_enc('cget', '-variable')
if TkVariable::USE_TCLs_SET_VARIABLE_FUNCTIONS
_fromUTF8(INTERP._get_global_var(var))
else
INTERP._eval(Kernel.format('global %s; set %s', var, var))
end
end
def set_value(val)
var = tk_send_without_enc('cget', '-variable')
if TkVariable::USE_TCLs_SET_VARIABLE_FUNCTIONS
_fromUTF8(INTERP._set_global_var(var, _get_eval_string(val, true)))
else
s = '"' + _get_eval_string(val).gsub(/[\[\]$"\\]/, '\\\\\&') + '"'
INTERP._eval(Kernel.format('global %s; set %s %s', var, var, s))
end
end
end
Tk::Radiobutton = Tk::RadioButton
#TkRadioButton = Tk::RadioButton unless Object.const_defined? :TkRadioButton
#TkRadiobutton = Tk::Radiobutton unless Object.const_defined? :TkRadiobutton
#Tk.__set_toplevel_aliases__(:Tk, Tk::RadioButton,
# :TkRadioButton, :TkRadiobutton)
Tk.__set_loaded_toplevel_aliases__('tk/radiobutton.rb', :Tk, Tk::RadioButton,
:TkRadioButton, :TkRadiobutton)
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