--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libgui/graphics/Object.cc	Thu Feb 20 14:05:45 2014 -0500
@@ -0,0 +1,193 @@
+/*
+
+Copyright (C) 2011 Michael Goffioul.
+
+This file is part of QtHandles.
+
+Foobar is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+QtHandles is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <QVariant>
+
+#include "Backend.h"
+#include "Object.h"
+#include "Utils.h"
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace QtHandles
+{
+
+//////////////////////////////////////////////////////////////////////////////
+
+Object::Object (const graphics_object& go, QObject* obj)
+  : QObject (), m_handle (go.get_handle ()), m_qobject (0)
+{
+  gh_manager::auto_lock lock (false);
+
+  if (! lock)
+    qCritical ("QtHandles::Object::Object: "
+	       "creating Object (h=%g) without a valid lock!!!",
+	       m_handle.value ());
+
+  init (obj);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void Object::init (QObject* obj, bool)
+{
+  if (m_qobject)
+    qCritical ("QtHandles::Object::init: "
+	       "resetting QObject while in invalid state");
+
+  m_qobject = obj;
+
+  if (m_qobject)
+    {
+      m_qobject->setProperty ("QtHandles::Object",
+			      qVariantFromValue<void*> (this));
+      connect (m_qobject, SIGNAL (destroyed (QObject*)),
+	       SLOT (objectDestroyed (QObject*)));
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+Object::~Object (void)
+{
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+graphics_object Object::object (void) const
+{
+  gh_manager::auto_lock lock (false);
+
+  if (! lock)
+    qCritical ("QtHandles::Object::object: "
+	       "accessing graphics object (h=%g) without a valid lock!!!",
+	       m_handle.value ());
+
+  return gh_manager::get_object (m_handle);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void Object::slotUpdate (int pId)
+{
+  gh_manager::auto_lock lock;
+
+  switch (pId)
+    {
+    // Special case for objects being deleted, as it's very likely
+    // that the graphics_object already has been destroyed when this
+    // is executed (because of the async behavior).
+    case base_properties::ID_BEINGDELETED:
+      beingDeleted ();
+      break;
+    default:
+      if (object ().valid_object ())
+	update (pId);
+      break;
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void Object::slotFinalize (void)
+{
+  gh_manager::auto_lock lock;
+
+  finalize ();
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void Object::slotRedraw (void)
+{
+  gh_manager::auto_lock lock;
+
+  if (object ().valid_object ())
+    redraw ();
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void Object::update (int /* pId */)
+{
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void Object::finalize (void)
+{
+  if (m_qobject)
+    {
+      delete m_qobject;
+      m_qobject = 0;
+    }
+  deleteLater ();
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void Object::redraw (void)
+{
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void Object::beingDeleted (void)
+{
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+void Object::objectDestroyed (QObject* obj)
+{
+  if (obj && obj == m_qobject)
+    m_qobject = 0;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+Object* Object::parentObject (const graphics_object& go)
+{
+  Object* parent = Backend::toolkitObject
+    (gh_manager::get_object (go.get_parent ()));
+
+  return parent;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+Object* Object::fromQObject (QObject* obj)
+{
+  QVariant v = obj->property ("QtHandles::Object");
+
+  if (v.isValid ())
+    return reinterpret_cast<Object*> (qVariantValue<void*> (v));
+
+  return 0;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+}; // namespace QtHandles