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/* $Id: object.hg,v 1.5 2006/04/07 14:11:37 gustin Exp $ */
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/* Copyright (C) 1998-2002 The gtkmm Development Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <glibmm/object.h>
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#include <gtkmm/base.h>
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#include <gtkmmconfig.h>
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_DEFS(gtkmm,gtk)
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_PINCLUDE(glibmm/private/object_p.h)
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namespace Gtk
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{
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class Object;
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/** Mark a Gtk::Object as owned by its parent container widget, so you don't need to delete it manually.
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* For instance,
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* @code
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* Gtk::Button* button = Gtk::manage( new Gtk::Button("Hello") );
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* vbox.pack_start(*button); //vbox will delete button when vbox is deleted.
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* @endcode
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*
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* @param obj A Gtk::Object, such as a gtkmm widget.
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* @result The Gtk::Object passed as the @a obj parameter.
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*/
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template<class T>
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T* manage(T* obj)
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{
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obj->set_manage();
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return obj;
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}
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/** Gtk::Object is the base class for all widgets, and for a few non-widget objects such as
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* Gtk::Adjustment. Gtk::Object predates Glib::Object; non-widgets that derive from Gtk::Object
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* rather than Glib::Object do so for backward compatibility reasons.
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*
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* The most interesting difference between Gtk::Object and Glib::Object is the ability to use Gtk::manage() to delegate memory management to the container widget. Gtk::Objects can also be
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* explicitly deleted at any time, instead of using only reference-counting, and container widgets
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* can respond when their child objects are being deleted (for instance by removing the widget).
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*/
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class GTKMM_API Object : public Glib::Object
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{
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_CLASS_GTKOBJECT(Object,GtkObject,GTK_OBJECT,Glib::Object,GObject)
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_IGNORE(gtk_object_ref, gtk_object_unref, gtk_object_weakref, gtk_object_weakunref, gtk_object_set_data,
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gtk_object_set_data_full, gtk_object_remove_data, gtk_object_get_data, gtk_object_remove_no_notify,
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gtk_object_set_user_data, gtk_object_get_user_data, gtk_object_set_data_by_id, gtk_object_set_data_by_id_full,
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gtk_object_get_data_by_id, gtk_object_remove_data_by_id, gtk_object_remove_no_notify_by_id, gtk_object_get,
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gtk_object_set, gtk_object_add_arg_type, gtk_object_destroy, gtk_object_sink)
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_CUSTOM_DTOR
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_CUSTOM_CTOR_CAST
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public:
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//void shutdown(); //We probably don't need this.
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//void finalize(); //We probably don't need this.
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//void set_user_data(gpointer data);
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//gpointer get_user_data();
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#ifndef DOXYGEN_SHOULD_SKIP_THIS
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/** Used by Gtk::manage(). You should not need to use this directly.
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*/
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virtual void set_manage();
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#endif //DOXYGEN_SHOULD_SKIP_THIS
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_WRAP_PROPERTY("user-data", void*)
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#ifndef DOXYGEN_SHOULD_SKIP_THIS
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/** Private API.
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*/
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bool is_managed_() const;
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#endif //DOXYGEN_SHOULD_SKIP_THIS
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protected:
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#ifndef DOXYGEN_SHOULD_SKIP_THIS
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/** Private API.
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*/
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void destroy_();
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#endif //DOXYGEN_SHOULD_SKIP_THIS
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// If you need it, give me an example. murrayc. -- Me too. daniel.
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//_WRAP_SIGNAL(void destroy(), "destroy")
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_IGNORE_SIGNAL(destroy)
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#ifndef DOXYGEN_SHOULD_SKIP_THIS
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void _init_unmanage(bool is_toplevel = false);
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virtual void destroy_notify_(); //override.
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void disconnect_cpp_wrapper();
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void _destroy_c_instance();
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static void callback_destroy_(GObject* gobject, void* data); //only connected for a short time.
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// set if flags used by derived classes.
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bool referenced_; // = not managed.
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bool gobject_disposed_;
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#endif //DOXYGEN_SHOULD_SKIP_THIS
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};
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} // namespace Gtk
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