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*SMOKE-MODULE* must be passed instead of *QT-SMOKE*.
Annotate for file src/object.lisp
2010-01-10 tobias 1 (in-package :cl-smoke.qt-impl)
08:52:49 ' 2
2009-07-02 tobias 3 (let ((object (make-instance 'qt:object)))
19:12:45 ' 4 (defmethod cxx:static-meta-object ((class (eql (find-class 'qt:object))))
' 5 "No OBJECT.STATIC-META-OBJECT (r558420)."
' 6 (cxx:meta-object object))
' 7 (defmethod cxx:static-meta-object ((class cxx:class))
' 8 (cxx:static-meta-object (smoke::find-smoke-class class))))
2010-01-10 tobias 9
08:52:49 ' 10 (defmethod documentation :around ((class smoke::smoke-standard-class)
' 11 (doc-type (eql 't)))
' 12 (if (and (subtypep class (find-class 'qt:object))
' 13 (not (subtypep class (find-class 'cxx:class))))
' 14 (format nil "~@[~A~%~]Properties:~%~T~{~<~%~T~0,75:; ~(~A~)~>~}
' 15
' 16 Signals:
' 17 ~{~T~A~%~}
' 18 Slots:
' 19 ~{~T~A~%~}"
' 20 (call-next-method) (sort (qt:class-direct-properties class) #'string<=)
' 21 (sort (class-signals class) #'string<=)
' 22 (sort (class-slots class) #'string<=))
' 23 (call-next-method)))
' 24
' 25 (defmethod print-object ((object qt:object) stream)
' 26 (if (or (not (slot-boundp object 'pointer))
' 27 (null-pointer-p (pointer object)))
' 28 (call-next-method)
2009-08-02 tobias 29 (print-unreadable-object (object stream :type t :identity t)
11:29:13 ' 30 (princ (cxx:object-name object) stream))))
2010-01-10 tobias 31
08:52:49 ' 32 (defun meta-object-methods (meta-object &optional (direct-only nil))
' 33 (loop for index from (if direct-only (cxx:method-offset meta-object) 0)
' 34 below (cxx:method-count meta-object)
' 35 collect (cxx:method meta-object index)))
' 36
' 37
' 38 (defun meta-object-signals (meta-object &key all)
' 39 (mapcar #'cxx:signature
' 40 (remove-if-not #'(lambda (m) (enum= qt:meta-method.+signal+
' 41 (cxx:method-type m)))
' 42 (meta-object-methods meta-object (not all)))))
' 43
' 44 (defun class-signals (class &key all)
' 45 (meta-object-signals (cxx:static-meta-object class) :all all))
' 46
' 47 (defun meta-object-slots (meta-object &key all)
' 48 (mapcar #'cxx:signature
' 49 (remove-if-not #'(lambda (m) (enum= qt:meta-method.+slot+
' 50 (cxx:method-type m)))
' 51 (meta-object-methods meta-object (not all)))))
' 52
' 53
' 54 (defun class-slots (class &key all)
' 55 (meta-object-slots (cxx:static-meta-object class) :all all))
' 56
' 57 (defun parent-p (object)
2009-06-21 tobias 58 (not (null-pointer-p (smoke::pointer-call (smoke::make-smoke-method-from-name (find-class 'qt:object)
2009-08-02 tobias 59 "parent")
11:15:21 ' 60 (smoke::pointer object)))))
2010-01-10 tobias 61
2009-08-02 tobias 62 (defun find-smoke-parent (object)
11:15:21 ' 63 "Returns the first parent of OBJECT or OBJECT that is a Smoke class.
2009-06-21 tobias 64 (the destructed callback is called when the object is freed.)"
2009-08-02 tobias 65 ;; FIXME allow usage of non smoke objects by connecting to the
11:15:21 ' 66 ;; destroyed() signal.
2009-06-21 tobias 67 (declare (optimize (speed 3)))
2010-01-10 tobias 68 (let ((parent (cxx:parent object)))
2009-08-02 tobias 69 (if (not (null-pointer-p (smoke::pointer parent)))
11:15:21 ' 70 (if (smoke::has-pointer-p (smoke::pointer parent))
' 71 parent
' 72 (find-smoke-parent parent))
2009-07-08 tobias 73 (error "No smoke parent found."))))
2010-01-10 tobias 74
08:52:49 ' 75 (defmethod initialize-instance :after ((object qt:object)
' 76 &key (pointer nil pointer-p) &allow-other-keys)
' 77 "Registers the object to the parent when a parent was set in the constructor
' 78 and the objects metaclass is SMOKE-WRAPPER-CLASS."
2009-06-21 tobias 79 (declare (optimize (speed 3)))
2010-01-10 tobias 80 (when (and (not pointer-p)
08:52:49 ' 81 (null-pointer-p (smoke::pointer object)))
' 82 (error "Object ~A has not been constructed" object))
' 83 (when (and (null pointer)
' 84 (not (null-pointer-p (smoke::pointer object)))
' 85 (parent-p object))
' 86 (smoke::transfer-ownership-to object
2009-08-02 tobias 87 (find-smoke-parent object))))
2010-01-10 tobias 88
08:52:49 ' 89 (define-condition wrapper-gc (storage-condition)
2009-08-02 tobias 90 ((class-name :initarg :class-name
11:15:21 ' 91 :documentation "The class name of the gc'ed object.")
2010-01-10 tobias 92 (pointer :initarg :pointer))
08:52:49 ' 93 (:report (lambda (condition stream)
2009-08-02 tobias 94 (format stream "The object ~A ~A of type cxx:class
11:15:21 ' 95 has a parent but got garbage collected."
' 96 (slot-value condition 'class-name)
' 97 (slot-value condition 'pointer)))))
2010-01-10 tobias 98
2009-08-02 tobias 99 (smoke:eval-startup (:compile-toplevel :execute)
2009-07-22 tobias 100 (defparameter *get-parent*
2009-06-21 tobias 101 (smoke::make-smoke-method-from-name (find-class 'qt:object) "parent"))
2009-07-22 tobias 102 ;; FIXME this leaks memory when QCoreApplication::exec is never called,
22:21:01 ' 103 ;; beause then, deleteLater has no effect.
' 104 (defparameter *delete-later*
2009-06-21 tobias 105 (smoke::make-smoke-method-from-name (find-class 'qt:object) "deleteLater")))
2010-01-10 tobias 106
08:52:49 ' 107 (defmethod smoke::make-finalize ((object qt:object))
2009-06-21 tobias 108 "Delete the qt:object OBJECT,
2010-01-10 tobias 109 by calling cxx:delete-later iff it has no parent."
2009-06-21 tobias 110 (let ((pointer (pointer object))
09:29:25 ' 111 (class (class-of object))
' 112 (next (call-next-method)))
' 113 (declare (function next))
' 114 (if (typep (class-of object) 'cxx:class)
' 115 #'(lambda ()
' 116 (declare (optimize (speed 3)))
' 117 (handler-case
' 118 (if (null-pointer-p (smoke::pointer-call *get-parent* pointer))
' 119 (smoke::pointer-call *delete-later* pointer)
' 120 (error (make-condition 'wrapper-gc
' 121 :class-name (name class)
' 122 :pointer pointer)))
' 123 (error (condition)
' 124 (smoke::report-finalize-error condition "qt:object wrap"
' 125 (name class) pointer))))
' 126 #'(lambda ()
' 127 (declare (optimize (speed 3)))
' 128 (handler-case
' 129 (if (null-pointer-p (smoke::pointer-call *get-parent* pointer))
2010-01-10 tobias 130 (funcall next)
08:52:49 ' 131 (cerror "Ignore" "Finalizer for object with a parent called."))
2009-06-21 tobias 132 (error (condition)
09:29:25 ' 133 (smoke::report-finalize-error condition "qt:object"
' 134 (name class) pointer)))))))
2010-01-10 tobias 135
08:52:49 ' 136
' 137 ;;;
2009-07-22 tobias 138 ;;; The event-notify callback get called by QCoreApplication,
22:21:01 ' 139 ;;; on notification of an event.
2010-01-10 tobias 140 ;;;
2009-07-22 tobias 141 ;;; The DATA argument is an array of size three, containing the pointers:
2010-01-10 tobias 142 ;;; void* receiver
08:52:49 ' 143 ;;; void* event
' 144 ;;; void* result
' 145 ;;; in that order.
' 146 ;;;
' 147 ;;; Returning true marks the event as handled; false on the other hand
' 148 ;;; leaves the event processing unchanged.
' 149 ;;;
2009-07-22 tobias 150 ;;; See: QCoreApplication::notifyInternal(QObject *receiver, QEvent *event)
2010-01-10 tobias 151
08:52:49 ' 152 (cffi:defcallback event-notify smoke:cxx-bool
' 153 ((data :pointer))
' 154 (declare (optimize (speed 3)))
' 155 (let ((receiver (smoke::get-object (cffi:mem-aref data :pointer 0)))
2009-08-02 tobias 156 (event (make-instance 'qt:event
11:29:02 ' 157 :pointer (cffi:mem-aref data :pointer 1))))
2010-01-10 tobias 158 (enum-case (cxx:type event)
08:52:49 ' 159 (qt:event.+child-added+
2009-08-02 tobias 160 (let ((child-event (make-instance 'qt:child-event
11:29:02 ' 161 :pointer
' 162 (smoke::upcast event (find-class 'qt:child-event)))))
' 163 (tg:cancel-finalization (cxx:child child-event))
' 164 (when (smoke::has-pointer-p (smoke::pointer (cxx:child child-event)))
' 165 (unless receiver
2009-08-02 tobias 166 (setf receiver (find-smoke-parent (cxx:child child-event))))
2009-08-02 tobias 167 (smoke::transfer-ownership-to (cxx:child child-event) receiver))))
2010-01-10 tobias 168 (qt:event.+child-removed+
2009-08-02 tobias 169 (let* ((child-event (make-instance 'qt:child-event
11:29:02 ' 170 :pointer (smoke::upcast event
' 171 (find-class 'qt:child-event)))))
2009-07-01 tobias 172 ;; We receive child removed events for any QObject, wherter
10:58:06 ' 173 ;; it was construted by Smoke or not. Only take ownership of objects
2009-07-22 tobias 174 ;; that have been constructed by Smoke.
2009-08-02 tobias 175 (when (smoke::has-pointer-p (smoke::pointer (cxx:child child-event)))
11:29:02 ' 176 (assert receiver)
' 177 (smoke::take-ownership (cxx:child child-event) receiver))))))
2010-01-10 tobias 178 nil)
08:52:49 ' 179
' 180 (eval-when (:compile-toplevel :load-toplevel :execute)
' 181 (cffi:defcfun qt-smoke-register-event-notify :boolean
' 182 (event-notify :pointer)))
' 183
' 184 (defun register-event-notify ()
' 185 (let ((ret (qt-smoke-register-event-notify (cffi:callback event-notify))))
' 186 (unless ret
2009-06-21 tobias 187 (error "The Qt event-notify callback table is full."))))
2010-01-10 tobias 188
2009-08-02 tobias 189 (smoke:eval-startup ()
2010-01-10 tobias 190 (register-event-notify))
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