Class: Shoes::Widget

Inherits:
Slot show all
Includes:
Background
Defined in:
lib/shoes/drawables/widget.rb,
lib/shoes.rb

Overview

TODO: when this is subclassed, grab :initialize out of the subclass, put it into :initialize_widget, and replace with an initialize that creates the display widget propertly, sets the linkable_id, etc.

Constant Summary

Constants inherited from Drawable

Drawable::DRAW_CONTEXT_STYLES

Constants included from Log

Log::DEFAULT_COMPONENT, Log::DEFAULT_DEBUG_LOG_CONFIG, Log::DEFAULT_LOG_CONFIG

Instance Attribute Summary

Attributes inherited from Slot

#children, #draw_context

Attributes inherited from Drawable

#debug_id, #destroyed, #parent

Attributes inherited from Linkable

#linkable_id

Class Method Summary collapse

Methods included from Background

#background, included

Methods inherited from Slot

#add_child, #append, #clear, #contents, #current_draw_context, #fill, #initialize, #method_missing, #nofill, #nostroke, #remove_child, #respond_to_missing?, #rotate, #stroke, #strokewidth

Methods inherited from Drawable

allocate_drawable_id, #app, #banner, #caption, convert_to_float, convert_to_integer, #destroy, #download, drawable_by_id, drawable_class_by_name, dsl_name, #event, expects_parent?, feature_for_shoes_style, get_shoes_events, #hide, #hover, init_args, #initialize, #inscription, #inspect, is_widget_class?, #leave, #method_missing, #motion, opt_init_args, optional_init_args, register_drawable_id, registered_shoes_events?, required_init_args, #respond_to_missing?, #set_parent, shoes_events, shoes_style, shoes_style_hashes, shoes_style_name?, shoes_style_names, #shoes_style_values, shoes_styles, #show, #style, #subtitle, #tagline, #title, #toggle, unregister_drawable_id, validate_as

Methods included from MarginHelper

#margin_parse

Methods included from Colors

#gray, included, #rgb, #to_rgb

Methods included from Log

configure_logger, #log_init, logger

Methods inherited from Linkable

#bind_shoes_event, #initialize, #send_self_event, #send_shoes_event, #unsub_all_shoes_events, #unsub_shoes_event

Constructor Details

This class inherits a constructor from Shoes::Slot

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Shoes::Slot

Class Method Details

.inherited(subclass) ⇒ Object 



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# File 'lib/shoes/drawables/widget.rb', line 43

def self.inherited(subclass)
  super

  # Widgets are special - we can't know in advance what sort of initialize args they take
  subclass.init_args :any
end

.method_added(name) ⇒ Object 



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# File 'lib/shoes/drawables/widget.rb', line 50

def self.method_added(name)
  # We're only looking for the initialize() method, and only on subclasses
  # of Shoes::Widget, not Shoes::Widget itself.
  return if self == ::Shoes::Widget || name != :initialize

  # Need to avoid infinite adding of initialize() if we're re-adding the default initialize
  return if @midway_through_adding_initialize

  # Take the user-provided initialize method and save a copy named __widget_initialize
  alias_method :__widget_initialize, :initialize

  # And add the default initialize back where it belongs
  @midway_through_adding_initialize = true
  define_method(:initialize) do |*args, **kwargs, &block|
    super(*args, **kwargs, &block)
    @options = kwargs # Get rid of options?
    create_display_drawable
    __widget_initialize(*args, **kwargs, &block)

    # Do Widgets do this?
    Shoes::App.instance.with_slot(self, &block) if block
  end
  @midway_through_adding_initialize = false
end