Class: GObject::Value

Inherits:
Object
  • Object
show all
Includes:
Overrides
Defined in:
lib/ffi-gobject/value.rb

Overview

Overrides for GValue, GObject’s generic value container structure.

Defined Under Namespace

Modules: Overrides

Constant Summary collapse

METHOD_MAP = 
{
  TYPE_INVALID => [:get_none, :set_none],
  # TYPE_NONE is skipped
  TYPE_INTERFACE => [:get_object, :set_instance_enhanced],
  TYPE_CHAR => [:get_schar, :set_schar],
  TYPE_UCHAR => [:get_uchar, :set_uchar],
  TYPE_BOOLEAN => [:get_boolean, :set_boolean],
  TYPE_INT => [:get_int, :set_int],
  TYPE_UINT => [:get_uint,           :set_uint],
  TYPE_LONG => [:get_long,           :set_long],
  TYPE_ULONG => [:get_ulong,          :set_ulong],
  TYPE_INT64 => [:get_int64,          :set_int64],
  TYPE_UINT64 => [:get_uint64, :set_uint64],
  TYPE_ENUM => [:get_enum_enhanced, :set_enum_enhanced],
  TYPE_FLAGS => [:get_flags_enhanced, :set_flags_enhanced],
  TYPE_FLOAT => [:get_float,          :set_float],
  TYPE_DOUBLE => [:get_double,         :set_double],
  TYPE_STRING => [:get_string,         :set_string],
  TYPE_POINTER => [:get_pointer, :set_pointer],
  TYPE_BOXED => [:get_boxed,          :set_boxed],
  TYPE_PARAM => [:get_param,          :set_param],
  TYPE_OBJECT => [:get_object, :set_instance_enhanced],
  TYPE_GTYPE => [:get_gtype, :set_gtype],
  TYPE_VARIANT => [:get_variant, :set_variant]
}.freeze
CLASS_TO_GTYPE_MAP = 
{
  NilClass => TYPE_INVALID,
  TrueClass => TYPE_BOOLEAN,
  FalseClass => TYPE_BOOLEAN,
  Integer => TYPE_INT,
  String => TYPE_STRING
}.freeze

Class Method Summary collapse

Methods included from Overrides

#current_fundamental_type, #current_gtype, #current_gtype_name, #get_value, #get_value_plain, #init, #set_value, #uninitialized?

Class Method Details

.copy_value_to_pointer(value, pointer, offset = 0) ⇒ Object 



64
65
66
67
68
 
# File 'lib/ffi-gobject/value.rb', line 64

def self.copy_value_to_pointer(value, pointer, offset = 0)
  target = wrap(pointer + offset)
  target.init(value.current_gtype)
  Lib.g_value_copy value, target unless value.uninitialized?
end

.for_gtype(gtype) ⇒ Object 



50
51
52
53
54
 
# File 'lib/ffi-gobject/value.rb', line 50

def self.for_gtype(gtype)
  new.tap do |it|
    it.init gtype
  end
end

.from(val) ⇒ Object 



41
42
43
44
45
46
47
48
 
# File 'lib/ffi-gobject/value.rb', line 41

def self.from(val)
  case val
  when self
    val
  else
    wrap_ruby_value val
  end
end

.wrap_instance(instance) ⇒ Object

TODO: Combine with wrap_ruby_value



57
58
59
60
61
62
 
# File 'lib/ffi-gobject/value.rb', line 57

def self.wrap_instance(instance)
  new.tap do |it|
    it.init GObject.type_from_instance instance
    it.set_instance instance
  end
end

.wrap_ruby_value(val) ⇒ Object

TODO: Give more generic name



37
38
39
 
# File 'lib/ffi-gobject/value.rb', line 37

def self.wrap_ruby_value(val)
  new.tap { |gv| gv.__send__ :set_ruby_value, val }
end