(in-package :gobject)
(defclass gobject-class (standard-class)
- ((g-type-name :initform (error "G-TYPE-NAME must be specified")
- :initarg :g-type-name
- :reader gobject-class-g-type-name)
+ ((g-type-name :initform nil
+ :accessor gobject-class-g-type-name)
+ (direct-g-type-name :initform nil
+ :initarg :g-type-name
+ :accessor gobject-class-direct-g-type-name)
(g-type-initializer :initform nil
:initarg :g-type-initializer
:reader gobject-class-g-type-initializer)
(interface-p :initform nil
:initarg :g-interface-p
- :reader gobject-class-interface-p)))
+ :reader gobject-class-interface-p))
+ (:documentation "Metaclass for GObject-based classes."))
+
+(defun initialize-gobject-class-g-type (class)
+ (if (gobject-class-g-type-initializer class)
+ (let* ((initializer-fn-ptr (foreign-symbol-pointer (gobject-class-g-type-initializer class)))
+ (type (when initializer-fn-ptr
+ (foreign-funcall-pointer initializer-fn-ptr nil
+ g-type))))
+ (if (null initializer-fn-ptr)
+ (warn "Type initializer for class '~A' (GType '~A') is invalid: foreign symbol '~A'"
+ (gobject-class-direct-g-type-name class) (class-name class) (gobject-class-g-type-initializer class))
+ (progn
+ (when (g-type= +g-type-invalid+ type)
+ (warn "Declared GType name '~A' for class '~A' is invalid ('~A' returned 0)"
+ (gobject-class-direct-g-type-name class) (class-name class)
+ (gobject-class-g-type-initializer class)))
+ (unless (g-type= (gobject-class-direct-g-type-name class) type)
+ (warn "Declared GType name '~A' for class '~A' does not match actual GType name '~A'"
+ (gobject-class-direct-g-type-name class)
+ (class-name class)
+ (g-type-name type))))))
+ (unless (g-type-from-name (gobject-class-direct-g-type-name class))
+ (warn "Declared GType name '~A' for class '~A' is invalid (g_type_name returned 0)"
+ (gobject-class-direct-g-type-name class) (class-name class)))))
(defmethod initialize-instance :after ((object gobject-class) &key &allow-other-keys)
- (register-object-type (gobject-class-g-type-name object) (class-name object))
- (when (gobject-class-g-type-initializer object)
- (let ((type (foreign-funcall-pointer (foreign-symbol-pointer (gobject-class-g-type-initializer object)) nil
- g-type)))
- (assert (/= +g-type-invalid+ type) nil "Declared GType name '~A' for class '~A' is invalid (g_type_name returned 0)"
- (gobject-class-g-type-name object) (class-name object))
- (assert (string= (gobject-class-g-type-name object)
- (g-type-name type))
- nil "Declared GType name '~A' for class '~A' does not match actual GType name '~A'"
- (gobject-class-g-type-name object)
- (class-name object)
- (g-type-name type)))))
+ (when (gobject-class-direct-g-type-name object)
+ (register-object-type (gobject-class-direct-g-type-name object) (class-name object))
+ (at-init (object) (initialize-gobject-class-g-type object))))
+
+(defmethod finalize-inheritance :after ((class gobject-class))
+ (setf (gobject-class-g-type-name class)
+ (or (gobject-class-direct-g-type-name class)
+ (let ((gobject-superclass (iter (for superclass in (class-direct-superclasses class))
+ (finding superclass such-that (typep superclass 'gobject-class)))))
+ (assert gobject-superclass)
+ (gobject-class-g-type-name gobject-superclass)))))
(defclass gobject-direct-slot-definition (standard-direct-slot-definition)
((g-property-type :initform nil
(defmethod validate-superclass ((class gobject-class) (superclass standard-class))
t)
-(defmethod validate-superclass ((class standard-class) (superclass gobject-class))
- t)
-
(defmethod compute-class-precedence-list ((class gobject-class))
(let ((classes (call-next-method)))
(if (member (find-class 'g-object) classes)
(apply #'call-next-method instance filtered-initargs)))
(defmethod make-instance ((class gobject-class) &rest initargs &key pointer)
- (if pointer
- (progn
- (assert (= (length initargs) 2) nil "POINTER can not be combined with other initargs (~A)" initargs)
- (call-next-method))
- (let ((pointer (create-gobject-from-class-and-initargs class initargs)))
- (apply #'call-next-method class :pointer pointer initargs))))
+ (log-for :subclass "(make-instance ~A ~{~A~^ ~})~%" class initargs)
+ (let ((*currently-making-object-p* t))
+ (if pointer
+ (progn
+ (assert (= (length initargs) 2) nil "POINTER can not be combined with other initargs (~A)" initargs)
+ (call-next-method))
+ (let* ((default-initargs (iter (for (arg value) in (class-default-initargs class))
+ (nconcing (list arg value))))
+ (effective-initargs (append initargs default-initargs))
+ (pointer (create-gobject-from-class-and-initargs class effective-initargs)))
+ (apply #'call-next-method class :pointer pointer effective-initargs)))))
(defmethod slot-boundp-using-class ((class gobject-class) object (slot gobject-property-effective-slot-definition))
(handler-case
- (progn (g-object-property-type object (gobject-property-effective-slot-definition-g-property-name slot) :assert-readable t) t)
+ (progn (g-object-property-type (pointer object) (gobject-property-effective-slot-definition-g-property-name slot) :assert-readable t) t)
(property-unreadable-error () nil)))
(defmethod slot-value-using-class ((class gobject-class) object (slot gobject-property-effective-slot-definition))
- (g-object-call-get-property object
+ (g-object-call-get-property (pointer object)
(gobject-property-effective-slot-definition-g-property-name slot)
(gobject-effective-slot-definition-g-property-type slot)))
(defmethod (setf slot-value-using-class) (new-value (class gobject-class) object (slot gobject-property-effective-slot-definition))
- (g-object-call-set-property object
+ (g-object-call-set-property (pointer object)
(gobject-property-effective-slot-definition-g-property-name slot)
new-value
(gobject-effective-slot-definition-g-property-type slot)))
+(defmethod slot-boundp-using-class ((class gobject-class) object (slot gobject-fn-effective-slot-definition))
+ (not (null (gobject-fn-effective-slot-definition-g-getter-fn slot))))
+
(defmethod slot-value-using-class ((class gobject-class) object (slot gobject-fn-effective-slot-definition))
(let ((fn (gobject-fn-effective-slot-definition-g-getter-fn slot)))
- (when fn
- (funcall fn object))))
+ (funcall fn object)))
(defmethod (setf slot-value-using-class) (new-value (class gobject-class) object (slot gobject-fn-effective-slot-definition))
(funcall (gobject-fn-effective-slot-definition-g-setter-fn slot) object new-value))