Module: GObject

Defined in:
lib/ffi-gobject.rb,
lib/ffi-gobject/base.rb,
lib/ffi-gobject/value.rb,
lib/ffi-gobject/object.rb,
lib/ffi-gobject/closure.rb,
lib/gir_ffi-base/gobject.rb,
lib/ffi-gobject/object_class.rb,
lib/ffi-gobject/ruby_closure.rb,
lib/gir_ffi-base/gobject/lib.rb,
lib/ffi-gobject/initially_unowned.rb

Overview

The part of the GObject namespace that is needed by GObjectIntrospection.

Defined Under Namespace

Modules: Lib Classes: Closure, InitiallyUnowned, Object, ObjectClass, RubyClosure, Value

Constant Summary collapse

TYPE_ARRAY = 
Lib.g_array_get_type
TYPE_HASH_TABLE = 
Lib.g_hash_table_get_type
TYPE_STRV = 
Lib.g_strv_get_type
TYPE_INVALID = 
type_from_name("invalid")
TYPE_NONE = 
type_from_name("void")
TYPE_INTERFACE = 
type_from_name("GInterface")
TYPE_CHAR = 
type_from_name("gchar")
TYPE_UCHAR = 
type_from_name("guchar")
TYPE_BOOLEAN = 
type_from_name("gboolean")
TYPE_INT = 
type_from_name("gint")
TYPE_UINT = 
type_from_name("guint")
TYPE_LONG = 
type_from_name("glong")
TYPE_ULONG = 
type_from_name("gulong")
TYPE_INT64 = 
type_from_name("gint64")
TYPE_UINT64 = 
type_from_name("guint64")
TYPE_ENUM = 
type_from_name("GEnum")
TYPE_FLAGS = 
type_from_name("GFlags")
TYPE_FLOAT = 
type_from_name("gfloat")
TYPE_DOUBLE = 
type_from_name("gdouble")
TYPE_STRING = 
type_from_name("gchararray")
TYPE_POINTER = 
type_from_name("gpointer")
TYPE_BOXED = 
type_from_name("GBoxed")
TYPE_PARAM = 
type_from_name("GParam")
TYPE_OBJECT = 
type_from_name("GObject")
TYPE_GTYPE = 
type_from_name("GType")
TYPE_VARIANT = 
type_from_name("GVariant")

Class Method Summary collapse

Class Method Details

.object_class_from_instance(instance) ⇒ Object 



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# File 'lib/ffi-gobject.rb', line 45

def self.object_class_from_instance instance
  object_class_from_instance_pointer instance.to_ptr
end

.object_class_from_instance_pointer(inst_ptr) ⇒ Object 



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# File 'lib/ffi-gobject.rb', line 49

def self.object_class_from_instance_pointer inst_ptr
  return nil if inst_ptr.null?
  klsptr = inst_ptr.get_pointer 0
  ObjectClass.wrap klsptr
end

.object_is_floating(obj) ⇒ Object 



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# File 'lib/ffi-gobject.rb', line 30

def self.object_is_floating obj
  Lib::g_object_is_floating obj.to_ptr
end

.object_ref(obj) ⇒ Object 



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# File 'lib/ffi-gobject.rb', line 18

def self.object_ref obj
  Lib::g_object_ref obj.to_ptr
end

.object_ref_sink(obj) ⇒ Object 



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# File 'lib/ffi-gobject.rb', line 22

def self.object_ref_sink obj
  Lib::g_object_ref_sink obj.to_ptr
end

.object_unref(obj) ⇒ Object 



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# File 'lib/ffi-gobject.rb', line 26

def self.object_unref obj
  Lib::g_object_unref obj.to_ptr
end

.param_spec_int(name, nick, blurb, minimum, maximum, default_value, flags) ⇒ Object

Smells of :reek:LongParameterList: due to the C interface.



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# File 'lib/ffi-gobject.rb', line 88

def self.param_spec_int(name, nick, blurb, minimum, maximum,
                        default_value, flags)
  ptr = Lib.g_param_spec_int(name, nick, blurb, minimum, maximum,
                             default_value, flags)
  ParamSpecInt.wrap(ptr)
end

.signal_connect(object, detailed_signal, data = nil, &block) ⇒ Object 



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# File 'lib/ffi-gobject.rb', line 76

def self.signal_connect object, detailed_signal, data=nil, &block
  signal, _ = detailed_signal.split('::')
  sig_info = object.class.find_signal signal
  callback = sig_info.create_callback(&block)
  GirFFI::CallbackBase.store_callback callback

  data_ptr = GirFFI::InPointer.from_closure_data data

  Lib.g_signal_connect_data object, detailed_signal, callback, data_ptr, nil, 0
end

.signal_emit(object, detailed_signal, *args) ⇒ Object 



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# File 'lib/ffi-gobject.rb', line 61

def self.signal_emit object, detailed_signal, *args
  signal, detail = detailed_signal.split('::')
  signal_id = signal_lookup_from_instance signal, object
  detail_quark = GLib.quark_from_string(detail)
  sig_info = object.class.find_signal signal

  arr_ptr = sig_info.arguments_to_gvalue_array_pointer object, args

  rval = sig_info.gvalue_for_return_value

  Lib.g_signal_emitv arr_ptr, signal_id, detail_quark, rval

  return rval
end

.signal_lookup_from_instance(signal, object) ⇒ Object 



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# File 'lib/ffi-gobject.rb', line 57

def self.signal_lookup_from_instance signal, object
  signal_lookup signal, type_from_instance(object)
end

.type_from_instance(instance) ⇒ Object 



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# File 'lib/ffi-gobject.rb', line 41

def self.type_from_instance instance
  type_from_instance_pointer instance.to_ptr
end

.type_from_instance_pointer(inst_ptr) ⇒ Object 



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

def self.type_from_instance_pointer inst_ptr
  return nil if inst_ptr.null?
  klsptr = inst_ptr.get_pointer 0
  # TODO: Cache the message name somewhere.
  klsptr.send "get_#{GirFFI::TypeMap::TAG_TYPE_MAP[:GType]}", 0
end

.type_init ⇒ Object 



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# File 'lib/gir_ffi-base/gobject.rb', line 5

def self.type_init
  Lib::g_type_init
end