Re-add glibmm2 properly.

git-svn-id: svn://localhost/ardour2/trunk@2644 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/glibmm2/glib/glibmm/wrap.h

@@ -0,0 +1,118 @@
+// -*- c++ -*-
+#ifndef _GLIBMM_WRAP_H
+#define _GLIBMM_WRAP_H
+
+/* $Id: wrap.h,v 1.2 2003/01/27 16:14:36 murrayc Exp $ */
+
+/* Copyright (C) 1998-2002 The gtkmm Development Team
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <glib-object.h>
+#include <glibmm/refptr.h>
+
+
+namespace Glib
+{
+
+class ObjectBase;
+class Object;
+
+// Type of the per-class wrap_new() functions.
+typedef Glib::ObjectBase* (*WrapNewFunction) (GObject*);
+
+// Setup and free the structures used by wrap_register().
+// Both functions might be called more than once.
+void wrap_register_init();
+void wrap_register_cleanup();
+
+// Register a new type for auto allocation.
+void wrap_register(GType type, WrapNewFunction func);
+
+// Return the current C++ wrapper instance of the GObject,
+// or automatically generate a new wrapper if there's none.
+Glib::ObjectBase* wrap_auto(GObject* object, bool take_copy = false);
+
+// Get a C++ instance that wraps the C instance.
+// This always returns the same C++ instance for the same C instance.
+// Each wrapper has it's own override of Glib::wrap().
+// use take_copy = true when wrapping a struct member.
+// TODO: move to object.h ?
+/** @relates Glib::Object */
+Glib::RefPtr<Glib::Object> wrap(GObject* object, bool take_copy = false);
+
+
+/** Get the underlying C instance from the C++ instance.  This is just
+ * like calling gobj(), but it does its own check for a NULL pointer.
+ */
+template <class T> inline
+typename T::BaseObjectType* unwrap(T* ptr)
+{
+  return (ptr) ? ptr->gobj() : 0;
+}
+
+/** Get the underlying C instance from the C++ instance.  This is just
+ * like calling gobj(), but it does its own check for a NULL pointer.
+ */
+template <class T> inline
+const typename T::BaseObjectType* unwrap(const T* ptr)
+{
+  return (ptr) ? ptr->gobj() : 0;
+}
+
+/** Get the underlying C instance from the C++ instance.  This is just
+ * like calling gobj(), but it does its own check for a NULL pointer.
+ */
+template <class T> inline
+typename T::BaseObjectType* unwrap(const Glib::RefPtr<T>& ptr)
+{
+  return (ptr) ? ptr->gobj() : 0;
+}
+
+/** Get the underlying C instance from the C++ instance.  This is just
+ * like calling gobj(), but it does its own check for a NULL pointer.
+ */
+template <class T> inline
+const typename T::BaseObjectType* unwrap(const Glib::RefPtr<const T>& ptr)
+{
+  return (ptr) ? ptr->gobj() : 0;
+}
+
+/** Get the underlying C instance from the C++ instance and acquire a
+ * reference.  This is just like calling gobj_copy(), but it does its own
+ * check for a NULL pointer.
+ */
+template <class T> inline
+typename T::BaseObjectType* unwrap_copy(const Glib::RefPtr<T>& ptr)
+{
+  return (ptr) ? ptr->gobj_copy() : 0;
+}
+
+/** Get the underlying C instance from the C++ instance and acquire a
+ * reference.  This is just like calling gobj_copy(), but it does its own
+ * check for a NULL pointer.
+ */
+template <class T> inline
+const typename T::BaseObjectType* unwrap_copy(const Glib::RefPtr<const T>& ptr)
+{
+  return (ptr) ? ptr->gobj_copy() : 0;
+}
+
+} // namespace Glib
+
+
+#endif /* _GLIBMM_WRAP_H */
+