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livetrax/libs/gtkmm2/atk/atkmm/implementor.cc

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// Generated by gtkmmproc -- DO NOT MODIFY!
#include <atkmm/implementor.h>
#include <atkmm/private/implementor_p.h>
// -*- c++ -*-
/* $Id$ */
/* 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 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 <atkmm/object.h>
#include <atk/atkobject.h>
namespace
{
} // anonymous namespace
namespace Glib
{
Glib::RefPtr<Atk::Implementor> wrap(AtkImplementor* object, bool take_copy)
{
return Glib::RefPtr<Atk::Implementor>( dynamic_cast<Atk::Implementor*> (Glib::wrap_auto ((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<BaseClassType*>(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)
{
CppObjectType *const obj = dynamic_cast<CppObjectType*>(
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 && obj->is_derived_())
{
try // Trap C++ exceptions which would normally be lost because this is a C callback.
{
// Call the virtual member method, which derived classes might override.
return Glib::unwrap(obj->ref_accessibile_vfunc());
}
catch(...)
{
Glib::exception_handlers_invoke();
}
}
else
{
BaseClassType *const base = static_cast<BaseClassType*>(
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)
return (*base->ref_accessible)(self);
}
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()
{}
// 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<Object> Atk::Implementor::ref_accessibile_vfunc()
{
BaseClassType *const base = static_cast<BaseClassType*>(
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)
return Glib::wrap((*base->ref_accessible)(gobj()));
typedef Glib::RefPtr<Object> RType;
return RType();
}
} // namespace Atk