Module: Iup::AttributeReference

Included in:
Dialog, ImageAttributes, Tabs
Defined in:
lib/wrapped/attribute-reference.rb

Overview

Defines method for getting/setting attribute values.

Instance Method Summary collapse

Instance Method Details

#attribute_reference(name, target, val = nil) ⇒ Object

Method used to get or set the value of attributes.

when retrieving

simply return the attribute with given name.

when setting

an attribute reference can be defined by its string name or directly as an instance of target class



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# File 'lib/wrapped/attribute-reference.rb', line 10

def attribute_reference(name, target, val=nil)
  case val
  when NilClass
    IupLib.IupGetAttribute(@handle, name).first
  when String
    IupLib.IupSetAttribute @handle, name, val
  when target
    target_name = IupLib.IupGetName(name).first
    if target_name.nil? or target_name.empty?
      target_name = SecureRandom.uuid 
      val.assign_handle(target_name)
    end
    IupLib.IupSetAttribute(@handle, name, target_name)
  end
end