Class: TkWrapper::Widgets::Base::TkOptions

Inherits:
Object
  • Object
show all
Defined in:
lib/widgets/base/tk_options.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(widget) ⇒ TkOptions

Returns a new instance of TkOptions.



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# File 'lib/widgets/base/tk_options.rb', line 20

def initialize(widget)
  @widget = widget
  @padding = TkWrapper::Widgets::Base::Padding.new(@widget)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(key, value = nil) ⇒ Object 



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# File 'lib/widgets/base/tk_options.rb', line 29

def method_missing(key, value = nil)
  if key[-1] == '='
    @widget.tk_widget[key[0..-2].to_sym] = value
  else
    @widget.tk_widget[key]
  end
end

Instance Attribute Details

#padding ⇒ Object

Returns the value of attribute padding.



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# File 'lib/widgets/base/tk_options.rb', line 6

def padding
  @padding
end

Class Method Details

.default_to_zero(*properties) ⇒ Object 



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# File 'lib/widgets/base/tk_options.rb', line 8

def self.default_to_zero(*properties)
  properties.each do |property|
    define_method(property) do
      value = @widget.tk_widget[property]
      value.is_a?(Numeric) ? value : 0
    end
  end
end

Instance Method Details

#respond_to_missing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/widgets/base/tk_options.rb', line 37

def respond_to_missing?(*)
  # no known way to check if tk_widget[key] exists
  false
end