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- // -*- 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 */
-
-