Class: Glimmer::LibUI::ColorButtonProxy

Inherits:
ControlProxy show all
Defined in:
lib/glimmer/libui/color_button_proxy.rb

Overview

Proxy for LibUI color button objects

Follows the Proxy Design Pattern

Constant Summary

Constants inherited from ControlProxy

Glimmer::LibUI::ControlProxy::BOOLEAN_PROPERTIES, Glimmer::LibUI::ControlProxy::STRING_PROPERTIES

Instance Attribute Summary

Attributes inherited from ControlProxy

#args, #block, #keyword, #libui, #parent_proxy

Instance Method Summary collapse

Methods inherited from ControlProxy

#append_properties, #append_property, boolean_to_integer, #can_handle_listener?, #content, control_proxies, create, #default_destroy, #destroy_child, #enabled, exists?, #handle_listener, image_proxies, #initialize, integer_to_boolean, #libui_api_keyword, main_window_proxy, menu_proxies, #method_missing, new_control, #post_add_content, #post_initialize_child, #respond_to?, #respond_to_libui?, #send_to_libui, #visible, widget_proxy_class, #window_proxy

Constructor Details

This class inherits a constructor from Glimmer::LibUI::ControlProxy

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Glimmer::LibUI::ControlProxy

Instance Method Details

#alpha ⇒ Object 



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# File 'lib/glimmer/libui/color_button_proxy.rb', line 51

def alpha
  color[3]
end

#blue ⇒ Object 



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# File 'lib/glimmer/libui/color_button_proxy.rb', line 47

def blue
  color[2]
end

#color ⇒ Object 



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# File 'lib/glimmer/libui/color_button_proxy.rb', line 30

def color
  @red ||= Fiddle::Pointer.malloc(8) # double
  @green ||= Fiddle::Pointer.malloc(8) # double
  @blue ||= Fiddle::Pointer.malloc(8) # double
  @alpha ||= Fiddle::Pointer.malloc(8) # double
  ::LibUI.color_button_color(@libui, @red, @green, @blue, @alpha)
  [@red[0, 8].unpack1('d') * 255.0, @green[0, 8].unpack1('d') * 255.0, @blue[0, 8].unpack1('d') * 255.0, @alpha[0, 8].unpack1('d')]
end

#destroy ⇒ Object 



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# File 'lib/glimmer/libui/color_button_proxy.rb', line 55

def destroy
  Fiddle.free @red unless @red.nil?
  Fiddle.free @green unless @green.nil?
  Fiddle.free @blue unless @blue.nil?
  Fiddle.free @alpha unless @alpha.nil?
  super
end

#green ⇒ Object 



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# File 'lib/glimmer/libui/color_button_proxy.rb', line 43

def green
  color[1]
end

#red ⇒ Object 



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# File 'lib/glimmer/libui/color_button_proxy.rb', line 39

def red
  color[0]
end