Class: Glimmer::LibUI::ControlProxy::ColorButtonProxy

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

Overview

Proxy for LibUI color button objects

Follows the Proxy Design Pattern

Constant Summary

Constants inherited from Glimmer::LibUI::ControlProxy

BOOLEAN_PROPERTIES, KEYWORD_ALIASES, STRING_PROPERTIES, TransformProxy

Instance Attribute Summary

Attributes inherited from Glimmer::LibUI::ControlProxy

#args, #block, #content_added, #custom_control, #keyword, #libui, #options, #parent_custom_control, #parent_proxy, #slot

Instance Method Summary collapse

Methods inherited from Glimmer::LibUI::ControlProxy

#append_properties, #append_property, #bind_content, #can_handle_listener?, constant_symbol, #content, control_proxies, control_proxy_class, create, #custom_listener_name_aliases, #custom_listener_names, #default_destroy, #deregister_all_custom_listeners, #deregister_custom_listeners, descendant_keyword_constant_map, #destroy_child, #enabled, exists?, #handle_custom_listener, #handle_listener, #has_custom_listener?, image_proxies, #initialize, keyword, #libui_api_keyword, #listeners, #listeners_for, main_window_proxy, map_descendant_keyword_constants_for, menu_proxies, #method_missing, new_control, #notify_custom_listeners, #post_add_content, #post_initialize_child, reset_descendant_keyword_constant_map, #respond_to?, #respond_to_libui?, #send_to_libui, #visible, #window_proxy

Methods included from DataBindable

#data_bind, #data_bind_read, #data_binding_model_attribute_observer_registrations

Methods included from Parent

#children, #post_initialize_child

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(value = nil) ⇒ Object Also known as: alpha=, set_alpha, a, a=, set_a 



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# File 'lib/glimmer/libui/control_proxy/color_button_proxy.rb', line 96

def alpha(value = nil)
  if value.nil?
    color[:a]
  else
    self.color = {a: value}
  end
end

#blue(value = nil) ⇒ Object Also known as: blue=, set_blue, b, b=, set_b 



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# File 'lib/glimmer/libui/control_proxy/color_button_proxy.rb', line 83

def blue(value = nil)
  if value.nil?
    color[:b]
  else
    self.color = {b: value}
  end
end

#color(value = nil) ⇒ Object Also known as: color=, set_color 



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# File 'lib/glimmer/libui/control_proxy/color_button_proxy.rb', line 31

def color(value = nil)
  if value.nil?
    @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)
    {
      r: @red[0, 8].unpack1('d') * 255.0,
      g: @green[0, 8].unpack1('d') * 255.0,
      b: @blue[0, 8].unpack1('d') * 255.0,
      a: @alpha[0, 8].unpack1('d')
    }
  else
    current_color = color
    value = Glimmer::LibUI.interpret_color(value)
    value[:r] ||= current_color[:r]
    value[:g] ||= current_color[:g]
    value[:b] ||= current_color[:b]
    value[:a] ||= current_color[:a]
    ::LibUI.color_button_set_color(@libui, value[:r].to_f / 255.0, value[:g].to_f / 255.0, value[:b].to_f / 255.0, value[:a])
  end
end

#data_bind_write(property, model_binding) ⇒ Object 



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# File 'lib/glimmer/libui/control_proxy/color_button_proxy.rb', line 117

def data_bind_write(property, model_binding)
  handle_listener('on_changed') { model_binding.call(color) } if property == 'color'
end

#destroy ⇒ Object 



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# File 'lib/glimmer/libui/control_proxy/color_button_proxy.rb', line 109

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(value = nil) ⇒ Object Also known as: green=, set_green, g, g=, set_g 



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# File 'lib/glimmer/libui/control_proxy/color_button_proxy.rb', line 70

def green(value = nil)
  if value.nil?
    color[:g]
  else
    self.color = {g: value}
  end
end

#red(value = nil) ⇒ Object Also known as: red=, set_red, r, r=, set_r 



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# File 'lib/glimmer/libui/control_proxy/color_button_proxy.rb', line 57

def red(value = nil)
  if value.nil?
    color[:r]
  else
    self.color = {r: value}
  end
end