Module: GirFFI::InfoExt::ISignalInfo

Included in:
GObjectIntrospection::ISignalInfo
Defined in:
lib/gir_ffi/info_ext/i_signal_info.rb

Overview

Extensions for GObjectIntrospection::ISignalInfo needed by GirFFI

Instance Method Summary collapse

Instance Method Details

#arguments_to_gvalues(instance, arguments) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
 
# File 'lib/gir_ffi/info_ext/i_signal_info.rb', line 19

def arguments_to_gvalues(instance, arguments)
  arg_g_values = args.zip(arguments).map do |arg_info, arg|
    case arg_info.direction
    when :in
      type = arg_info.argument_type
      type.make_g_value.tap { |it| it.set_value arg }
    else
      raise NotImplementedError
    end
  end

  arg_g_values.unshift GObject::Value.wrap_instance(instance)
end

#gvalue_for_return_value ⇒ Object 



33
34
35
 
# File 'lib/gir_ffi/info_ext/i_signal_info.rb', line 33

def gvalue_for_return_value
  return_type.make_g_value
end

#wrap_in_closure(&block) ⇒ GObject::RubyClosure

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

Parameters:

  • block —

    The body of the signal handler

Returns:



14
15
16
17
 
# File 'lib/gir_ffi/info_ext/i_signal_info.rb', line 14

def wrap_in_closure(&block)
  bldr = Builders::SignalClosureBuilder.new(self)
  bldr.build_class.new(&block)
end