module GirFFI::InfoExt::ISignalInfo

Extensions for GObjectIntrospection::ISignalInfo needed by GirFFI

Public Instance Methods

arguments_to_gvalues(instance, arguments) click to toggle source
# File lib/gir_ffi/info_ext/i_signal_info.rb, line 17
def arguments_to_gvalues(instance, arguments)
  arg_g_values = args.map { |info| info.argument_type.make_g_value }
  arg_g_values.zip(arguments).each do |g_value, arg|
    g_value.set_value arg
  end

  arg_g_values.unshift GObject::Value.wrap_instance(instance)
end
gvalue_for_return_value() click to toggle source
# File lib/gir_ffi/info_ext/i_signal_info.rb, line 26
def gvalue_for_return_value
  return_type.make_g_value
end
wrap_in_closure(&block) click to toggle source

Create a signal hander closure. Wraps the given block in a custom descendent of RubyClosure with a marshaller tailored for this signal.

@param block The body of the signal handler

@return [GObject::RubyClosure] The signal handler closure, ready to be

passed as a GClosure to C.
# File lib/gir_ffi/info_ext/i_signal_info.rb, line 12
def wrap_in_closure(&block)
  bldr = Builders::SignalClosureBuilder.new(self)
  bldr.build_class.new(&block)
end