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Versions: 17
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Contents
# frozen_string_literal: true
GObject.load_class :Closure
module GObject
# Overrides for GClosure, GObject's base class for closure objects.
#
# To create Closure objects wrapping Ruby code, use {RubyClosure}.
class Closure
setup_method! :new_simple
setup_instance_method! :invoke
remove_method :invoke
# @override
#
# @param [Proc] marshal The marshaller to use for this closure object
def set_marshal(marshal)
callback = ClosureMarshal.from marshal
Lib.g_closure_set_marshal self, callback
end
# @override
#
# This override of invoke ensures the return value location can be passed
# in as the first argument, which is needed to ensure the GValue is
# initialized with the proper type.
#
# @param [GObject::Value] return_value The GValue to store the return
# value, or nil if no return value is expected.
# @param [Array] param_values the closure parameters.
def invoke(return_value, param_values)
rval = Value.from(return_value)
n_params = param_values.length
params = GirFFI::SizedArray.from(Value, -1, param_values)
Lib.g_closure_invoke self, rval, n_params, params, nil
rval.get_value
end
def store_pointer(ptr)
# NOTE: Call C functions directly to avoid extra argument conversion
Lib.g_closure_ref ptr
Lib.g_closure_sink ptr
super
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems