(has-reference
:type boolean
:accessor g-object-has-reference
- :initform nil))
+ :initform nil)
+ (signal-handlers
+ :type (array t *)
+ :initform (make-array 0 :adjustable t :fill-pointer t)
+ :reader g-object-signal-handlers))
(:documentation
"Base class for GObject classes hierarchy."))
(defvar *foreign-gobjects-weak* (make-weak-hash-table :test 'equal :weakness :value))
(defvar *foreign-gobjects-strong* (make-hash-table :test 'equal))
(defvar *current-creating-object* nil)
+(defvar *current-object-from-pointer* nil)
(defun ref-count (pointer)
(foreign-slot-value (if (pointerp pointer) pointer (pointer pointer)) 'g-object-struct :ref-count))
(s (format nil "~A" obj)))
(finalize obj
(lambda ()
- (debugf "~A is queued for GC (having ~A refs)~%" pointer (ref-count pointer))
+ (log-for :gc "~A ~A is queued for GC (having ~A refs)~%"
+ (g-type-from-object pointer) pointer (ref-count pointer))
(handler-case
(g-object-dispose-carefully pointer)
- (error (e) (format t "Error in finalizer for ~A: ~A~%" s e))))))
+ (error (e)
+ (log-for :gc "Error in finalizer for ~A: ~A~%" s e)
+ (format t "Error in finalizer for ~A: ~A~%" s e))))))
(register-g-object obj)
(activate-gc-hooks))
(defun activate-gc-hooks ()
(with-recursive-lock-held (*gobject-gc-hooks-lock*)
(when *gobject-gc-hooks*
- (debugf "activating gc hooks for objects: ~A~%" *gobject-gc-hooks*)
+ (log-for :gc "activating gc hooks for objects: ~A~%" *gobject-gc-hooks*)
(loop
for pointer in *gobject-gc-hooks*
do (g-object-remove-toggle-ref pointer (callback gobject-toggle-ref-toggled) (null-pointer)))
(let ((locks-were-present (not (null *gobject-gc-hooks*))))
(push pointer *gobject-gc-hooks*)
(unless locks-were-present
- (debugf "adding idle-gc-hook to main loop~%")
+ (log-for :gc "adding idle-gc-hook to main loop~%")
(g-idle-add (callback g-idle-gc-hook) (null-pointer))))))
(defun g-object-dispose-carefully (pointer)
(handler-case
(register-gobject-for-gc pointer)
- (error (e) (format t "Error in dispose: ~A~%" e))))
+ (error (e)
+ (log-for :gc "Error in dispose: ~A~%" e)
+ (format t "Error in dispose: ~A~%" e))))
(defun should-ref-sink-at-creation (object)
;;If object was not created from lisp-side, we should ref it
;;If an object is GInitiallyUnowned, then it is created with a floating reference, we should ref-sink it
;;A special case is GtkWindow: we should ref-sink it anyway
(let ((r (cond
- ((eq object *current-creating-object*) ;; g_object_new returns objects with ref = 1, we should save _this_ ref
- (g-object-is-floating (pointer object))) ;; but floating objects should be ref_sunk
+ ((equal *current-object-from-pointer* (pointer object))
+ (log-for :gc "*cur-obj-from-ptr* ")
+ t) ;; not new objects should be ref_sunk
+ ((eq object *current-creating-object*) ;; g_object_new returns objects with ref = 1, we should save _this_ ref
+ (typep object 'g-initially-unowned)) ;; but GInitiallyUnowned objects should be ref_sunk
(t t))))
- (debugf "(should-ref-sink-at-creation ~A) => ~A~%" object r)
+ (log-for :gc "(should-ref-sink-at-creation ~A) => ~A~%" object r)
r))
(defcallback gobject-toggle-ref-toggled :void
((data :pointer) (pointer :pointer) (is-last-ref :boolean))
(declare (ignore data))
- (debugf "~A is now ~A with ~A refs~%" pointer (if is-last-ref "weak pointer" "strong pointer") (ref-count pointer))
- (debugf "obj: ~A~%" (or (gethash (pointer-address pointer) *foreign-gobjects-strong*)
+ (log-for :gc "~A is now ~A with ~A refs~%" pointer (if is-last-ref "weak pointer" "strong pointer") (ref-count pointer))
+ (log-for :gc "obj: ~A~%" (or (gethash (pointer-address pointer) *foreign-gobjects-strong*)
(gethash (pointer-address pointer) *foreign-gobjects-weak*)))
(if is-last-ref
(let ((obj (gethash (pointer-address pointer) *foreign-gobjects-strong*)))
(progn
(remhash (pointer-address pointer) *foreign-gobjects-strong*)
(setf (gethash (pointer-address pointer) *foreign-gobjects-weak*) obj))
- (warn "GObject at ~A has no lisp-side (strong) reference" pointer)))
+ (progn
+ (log-for :gc "GObject at ~A has no lisp-side (strong) reference" pointer)
+ (warn "GObject at ~A has no lisp-side (strong) reference" pointer))))
(let ((obj (gethash (pointer-address pointer) *foreign-gobjects-weak*)))
- (unless obj (warn "GObject at ~A has no lisp-side (weak) reference" pointer))
+ (unless obj
+ (log-for :gc "GObject at ~A has no lisp-side (weak) reference" pointer)
+ (warn "GObject at ~A has no lisp-side (weak) reference" pointer))
(remhash (pointer-address pointer) *foreign-gobjects-weak*)
(setf (gethash (pointer-address pointer) *foreign-gobjects-strong*) obj))))
(defcallback gobject-weak-ref-finalized :void
((data :pointer) (pointer :pointer))
(declare (ignore data))
- (debugf "~A is weak-ref-finalized with ~A refs~%" pointer (ref-count pointer))
+ (log-for :gc "~A is weak-ref-finalized with ~A refs~%" pointer (ref-count pointer))
(remhash (pointer-address pointer) *foreign-gobjects-weak*)
(when (gethash (pointer-address pointer) *foreign-gobjects-strong*)
- (warn "GObject at ~A was weak-ref-finalized while still holding lisp-side strong reference to it" pointer))
+ (warn "GObject at ~A was weak-ref-finalized while still holding lisp-side strong reference to it" pointer)
+ (log-for :gc "GObject at ~A was weak-ref-finalized while still holding lisp-side strong reference to it" pointer))
(remhash (pointer-address pointer) *foreign-gobjects-strong*))
(defun register-g-object (obj)
- (debugf "registered GObject ~A with gobject ref-count ~A ~A~%" (pointer obj) (ref-count obj) (if (g-object-is-floating (pointer obj)) "(floating)" ""))
+ (log-for :gc "registered GObject ~A (~A) with initial ref-count ~A ~A~%"
+ (pointer obj) obj
+ (ref-count obj) (if (g-object-is-floating (pointer obj)) "(floating)" ""))
(when (should-ref-sink-at-creation obj)
- (debugf "g_object_ref_sink(~A)~%" (pointer obj))
+ (log-for :gc "g_object_ref_sink(~A)~%" (pointer obj))
(g-object-ref-sink (pointer obj)))
(setf (g-object-has-reference obj) t)
(setf (gethash (pointer-address (pointer obj)) *foreign-gobjects-strong*) obj)
(unless lisp-type
(error "Type ~A is not registered with REGISTER-OBJECT-TYPE"
(g-type-name g-type)))
- (g-object-ref pointer)
- (make-instance lisp-type :pointer pointer)))
+ (let ((*current-object-from-pointer* pointer))
+ (make-instance lisp-type :pointer pointer))))
(define-foreign-type foreign-g-object-type ()
((sub-type :reader sub-type :initarg :sub-type :initform 'g-object))
(unless (null-pointer-p pointer)
(or (gethash (pointer-address pointer) *foreign-gobjects-strong*)
(gethash (pointer-address pointer) *foreign-gobjects-weak*)
- (make-g-object-from-pointer pointer))))
+ (progn (log-for :gc "Now creating object for ~A~%" pointer)
+ (make-g-object-from-pointer pointer)))))
(defmethod translate-from-foreign (pointer (type foreign-g-object-type))
(get-g-object-for-pointer pointer))
(defmethod set-gvalue-for-type (gvalue-ptr (type-numeric (eql +g-type-interface+)) value)
(set-gvalue-object gvalue-ptr value))
-
-(defun g-signal-connect (object signal handler &key after)
- "Deprecated alias for @fun{connect-signal}"
- (connect-signal object signal handler :after after))
-
-(defun connect-signal (object signal handler &key after)
- "Connects the function to a signal for a particular object.
-If @code{after} is true, then the function will be called after the default handler of the signal.
-
-@arg[object]{an instance of @class{gobject}}
-@arg[signal]{a string; names the signal}
-@arg[handler]{a function; handles the signal. Number (and type) of arguments and return value type depends on the signal}
-@arg[after]{a boolean}"
- (g-signal-connect-closure (ensure-object-pointer object)
- signal
- (create-g-closure handler)
- after))
-
-(defun emit-signal (object signal-name &rest args)
- "Emits the signal.
-@arg[object]{an instance of @class{g-object}. Signal is emitted on this object}
-@arg[signal-name]{a string specifying the signal}
-@arg[args]{arguments for the signal}
-@return{none}"
- (let* ((object-type (g-type-from-object (pointer object)))
- (signal-info (parse-signal-name object-type signal-name)))
- (unless signal-info
- (error "Signal ~A not found on object ~A" signal-name object))
- (let ((params-count (length (signal-info-param-types signal-info))))
- (with-foreign-object (params 'g-value (1+ params-count))
- (set-g-value (mem-aref params 'g-value 0) object object-type :zero-g-value t)
- (iter (for i from 0 below params-count)
- (for arg in args)
- (for type in (signal-info-param-types signal-info))
- (set-g-value (mem-aref params 'g-value (1+ i)) arg type :zero-g-value t))
- (prog1
- (if (g-type= (signal-info-return-type signal-info) +g-type-void+)
- (g-signal-emitv params (signal-info-id signal-info) signal-name (null-pointer))
- (with-foreign-object (return-value 'g-value)
- (g-value-zero return-value)
- (g-value-init return-value (signal-info-return-type signal-info))
- (prog1 (parse-g-value return-value)
- (g-value-unset return-value))))
- (iter (for i from 0 below (1+ params-count))
- (g-value-unset (mem-aref params 'g-value i))))))))
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