Class: GObject::Object

Inherits:
Object
  • Object
show all
Defined in:
lib/ffi-gobject/object.rb

Overview

Overrides for GObject, GObject’s generic base class.

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object

TODO: Generate accessor methods from GIR at class definition time



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# File 'lib/ffi-gobject/object.rb', line 46

def method_missing(method, *args)
  getter_name = "get_#{method}"
  return send(getter_name, *args) if respond_to?(getter_name)
  if method.to_s =~ /(.*)=$/
    setter_name = "set_#{Regexp.last_match[1]}"
    return send(setter_name, *args) if respond_to?(setter_name)
  end
  super
end

Class Method Details

.make_finalizer(ptr, name) ⇒ Object 



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# File 'lib/ffi-gobject/object.rb', line 34

def self.make_finalizer(ptr, name)
  proc do
    rc = GObject::Object::Struct.new(ptr)[:ref_count]
    if rc == 0
      warn "not unreffing #{name}:#{ptr} (#{rc})"
    else
      GObject::Lib.g_object_unref ptr
    end
  end
end

Instance Method Details

#get_property_extended(property_name) ⇒ Object 



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# File 'lib/ffi-gobject/object.rb', line 67

def get_property_extended(property_name)
  value = get_property(property_name)
  type_info = get_property_type property_name
  case type_info.tag
  when :ghash, :glist
    adjust_value_to_type value, type_info
  else
    value
  end
end

#get_property_with_override(property_name) ⇒ Object Also known as: get_property 



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# File 'lib/ffi-gobject/object.rb', line 78

def get_property_with_override(property_name)
  gvalue = gvalue_for_property property_name
  get_property_without_override property_name, gvalue
  gvalue.get_value
end

#initialize_with_automatic_gtype(properties = {}) ⇒ Object Also known as: initialize 



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# File 'lib/ffi-gobject/object.rb', line 10

def initialize_with_automatic_gtype(properties = {})
  gparameters = properties.map do |name, value|
    name = name.to_s
    property_param_spec(name)
    GObject::Parameter.new.tap do |gparam|
      gparam.name = name
      gparam.value = value
    end
  end
  initialize_without_automatic_gtype(self.class.gtype, gparameters)
end

#set_property_extended(property_name, value) ⇒ Object 



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# File 'lib/ffi-gobject/object.rb', line 84

def set_property_extended(property_name, value)
  type_info = get_property_type property_name
  adjusted_value = adjust_value_to_type(value, type_info)

  set_property property_name, adjusted_value
end

#set_property_with_override(property_name, value) ⇒ Object Also known as: set_property 



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# File 'lib/ffi-gobject/object.rb', line 91

def set_property_with_override(property_name, value)
  gvalue = gvalue_for_property(property_name)
  gvalue.set_value value
  set_property_without_override property_name, gvalue
end

#signal_connect(event, data = nil, &block) ⇒ Object 



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# File 'lib/ffi-gobject/object.rb', line 56

def signal_connect(event, data = nil, &block)
  GObject.signal_connect(self, event, data, &block)
end

#signal_connect_after(event, data = nil, &block) ⇒ Object 



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# File 'lib/ffi-gobject/object.rb', line 60

def signal_connect_after(event, data = nil, &block)
  GObject.signal_connect_after(self, event, data, &block)
end

#store_pointer(ptr) ⇒ Object 



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# File 'lib/ffi-gobject/object.rb', line 28

def store_pointer(ptr)
  super
  klass = self.class
  ObjectSpace.define_finalizer self, klass.make_finalizer(ptr, klass.name)
end