// Generated by gtkmmproc -- DO NOT MODIFY! #include #include #include // -*- c++ -*- /* $Id: implementor.ccg,v 1.1 2004/04/11 21:00:53 murrayc Exp $ */ /* Copyright 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 Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include namespace { } // anonymous namespace namespace Glib { Glib::RefPtr wrap(AtkImplementor* object, bool take_copy) { return Glib::RefPtr( dynamic_cast (Glib::wrap_auto_interface ((GObject*)(object), take_copy)) ); //We use dynamic_cast<> in case of multiple inheritance. } } // namespace Glib namespace Atk { /* The *_Class implementation: */ const Glib::Interface_Class& Implementor_Class::init() { if(!gtype_) // create the GType if necessary { // Glib::Interface_Class has to know the interface init function // in order to add interfaces to implementing types. class_init_func_ = &Implementor_Class::iface_init_function; // We can not derive from another interface, and it is not necessary anyway. gtype_ = atk_implementor_get_type(); } return *this; } void Implementor_Class::iface_init_function(void* g_iface, void*) { BaseClassType *const klass = static_cast(g_iface); //This is just to avoid an "unused variable" warning when there are no vfuncs or signal handlers to connect. //This is a temporary fix until I find out why I can not seem to derive a GtkFileChooser interface. murrayc g_assert(klass != 0); klass->ref_accessible = &ref_accessible_vfunc_callback; } AtkObject* Implementor_Class::ref_accessible_vfunc_callback(AtkImplementor* self) { Glib::ObjectBase *const obj_base = static_cast( Glib::ObjectBase::_get_current_wrapper((GObject*)self)); // Non-gtkmmproc-generated custom classes implicitly call the default // Glib::ObjectBase constructor, which sets is_derived_. But gtkmmproc- // generated classes can use this optimisation, which avoids the unnecessary // parameter conversions if there is no possibility of the virtual function // being overridden: if(obj_base && obj_base->is_derived_()) { CppObjectType *const obj = dynamic_cast(obj_base); if(obj) // This can be NULL during destruction. { #ifdef GLIBMM_EXCEPTIONS_ENABLED try // Trap C++ exceptions which would normally be lost because this is a C callback. { #endif //GLIBMM_EXCEPTIONS_ENABLED // Call the virtual member method, which derived classes might override. return Glib::unwrap(obj->ref_accessibile_vfunc()); #ifdef GLIBMM_EXCEPTIONS_ENABLED } catch(...) { Glib::exception_handlers_invoke(); } #endif //GLIBMM_EXCEPTIONS_ENABLED } } BaseClassType *const base = static_cast( g_type_interface_peek_parent( // Get the parent interface of the interface (The original underlying C interface). g_type_interface_peek(G_OBJECT_GET_CLASS(self), CppObjectType::get_type()) // Get the interface. ) ); // Call the original underlying C function: if(base && base->ref_accessible) { AtkObject* retval = (*base->ref_accessible)(self); return retval; } typedef AtkObject* RType; return RType(); } Glib::ObjectBase* Implementor_Class::wrap_new(GObject* object) { return new Implementor((AtkImplementor*)(object)); } /* The implementation: */ Implementor::Implementor() : Glib::Interface(implementor_class_.init()) {} Implementor::Implementor(AtkImplementor* castitem) : Glib::Interface((GObject*)(castitem)) {} Implementor::Implementor(const Glib::Interface_Class& interface_class) : Glib::Interface(interface_class) { } Implementor::~Implementor() {} // static void Implementor::add_interface(GType gtype_implementer) { implementor_class_.init().add_interface(gtype_implementer); } Implementor::CppClassType Implementor::implementor_class_; // initialize static member GType Implementor::get_type() { return implementor_class_.init().get_type(); } GType Implementor::get_base_type() { return atk_implementor_get_type(); } Glib::RefPtr Atk::Implementor::ref_accessibile_vfunc() { BaseClassType *const base = static_cast( g_type_interface_peek_parent( // Get the parent interface of the interface (The original underlying C interface). g_type_interface_peek(G_OBJECT_GET_CLASS(gobject_), CppObjectType::get_type()) // Get the interface. ) ); if(base && base->ref_accessible) { Glib::RefPtr retval(Glib::wrap((*base->ref_accessible)(gobj()), true)); return retval; } typedef Glib::RefPtr RType; return RType(); } } // namespace Atk