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/*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <glibmm/vectorutils.h>
#include <gtkmm/accelgroup.h>
#include <gdkmm/cursor.h>
#include <gtk/gtk.h>
namespace Gtk
{
_DEPRECATE_IFDEF_START
Glib::RefPtr<AccelGroup> Window::get_accel_group()
{
if(!accel_group_)
{
accel_group_ = AccelGroup::create();
add_accel_group(accel_group_);
}
return accel_group_;
}
_DEPRECATE_IFDEF_END
std::vector< Glib::RefPtr<AccelGroup> > Window::get_accel_groups()
{
return Glib::SListHandler< Glib::RefPtr<AccelGroup> >::slist_to_vector(
gtk_accel_groups_from_object(G_OBJECT(gobj())), Glib::OWNERSHIP_NONE);
}
void Window::raise()
{
get_window()->raise();
}
void Window::set_manage()
{
g_warning("gtkmm: Attempt to call Gtk::manage() on a Gtk::Window, but a Gtk::Window has no parent container to manage its lifetime.\n");
}
void Window::destroy_()
{
//Called from destructors.
//overridden so that the correct _release_c_instance() ends up being called by the destructor.
//destroy_() is virtual, but _release_c_instance() is not.
//GTKMM_LIFECYCLE
#ifdef GLIBMM_DEBUG_REFCOUNTING
g_warning("Gtk::Window::destroy_(): gobject_: %p\n", (void*) gobject_);
if(gobject_)
g_warning(" gtypename: %s\n", G_OBJECT_TYPE_NAME(gobject_));
#endif
if ( !cpp_destruction_in_progress_ )
{
cpp_destruction_in_progress_ = true;
//destroy the C instance:
_release_c_instance();
}
//The C++ destructor will be reached later. This function was called by a destructor.
}
void Window::_release_c_instance()
{
//We override this, (though it's not virtual - we just call it from this class),
//because top-level windows can only be destroyed with gtk_widget_destroy, according to Owen Taylor. murrayc.
#ifdef GLIBMM_DEBUG_REFCOUNTING
g_warning("Gtk::Window::_release_c_instance() gobject_=%p\n", (void*) gobject_);
#endif
cpp_destruction_in_progress_ = true;
// remove our hook.
GtkWidget* object = GTK_WIDGET(gobj());
if (object)
{
//We can't do anything with the gobject_ if it's already been disposed.
//This prevents us from unref-ing it again, or destroying it again after GTK+ has told us that it has been disposed.
if (!gobject_disposed_)
{
//Windows can not be unrefed. They are "self-owning".
gtk_widget_destroy(object);
}
//If the GObject still exists, disconnect the C++ wrapper from it.
//The C++ wrapper is being deleted right now.
disconnect_cpp_wrapper();
//Glib::Object::~Object() will not g_object_unref() it too, because gobject_ is now 0.
}
}
void Window_Class::dispose_vfunc_callback(GObject* self)
{
//Avoid disposal of Windows on delete_event (window close) signal.
#ifdef GLIBMM_DEBUG_REFCOUNTING
g_warning("Window_Class::dispose_vfunc_callback(): gobject_: %p\n", (void*)self);
#endif
const auto obj = dynamic_cast<Widget*>(
Glib::ObjectBase::_get_current_wrapper(self));
// This function might be invoked recursively because we're triggering
// several signal emissions, particularly signal_hide(). Therefore we
// have to test for cpp_destruction_in_progress_ at this point.
if(obj && !obj->_cpp_destruction_is_in_progress()) //When it should really be destroyed, we zero gobj_.
{
const auto pWidget = obj->gobj();
g_return_if_fail(pWidget == GTK_WIDGET(self));
// Abort dispose if the widget isn't managed, in order to prevent
// the nasty self-destroying behaviour of GTK+. This applies to:
//
// - GtkWindow, if it received "delete_event"
// - GtkDialog, which destroys on "response" by default
#ifdef GLIBMM_DEBUG_REFCOUNTING
g_warning("Window_Class::dispose_vfunc_callback(): before gtk_widget_hide().");
#endif
// Now hide the widget. The C++ object must _not_ be accessed anymore
// after this call, because a signal_hide() handler might delete it.
gtk_widget_hide(pWidget);
#ifdef GLIBMM_DEBUG_REFCOUNTING
g_warning("Window_Class::dispose_vfunc_callback(): after gtk_widget_hide().");
#endif
// GTKMM_LIFECYCLE
return; // Prevent calling of normal C dispose vfunc (see below)
}
else
{
#ifdef GLIBMM_DEBUG_REFCOUNTING
//g_warning("Window_Class::dispose_vfunc_callback(): unreferenced: before gtk_widget_hide().");
#endif
// Always hide widgets on object destruction, regardless of whether
// the widget is managed or not. This is done for consistency so that
// connecting to signal_hide() is guaranteed to work.
//gtk_widget_hide(pWidget);
#ifdef GLIBMM_DEBUG_REFCOUNTING
//g_warning("Window_Class::dispose_vfunc_callback(): unreferenced: after gtk_widget_hide().");
#endif
const auto base = static_cast<GObjectClass*>(
g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)));
#ifdef GLIBMM_DEBUG_REFCOUNTING
g_warning("Window_Class::dispose_vfunc_callback(): before calling base->dispose.");
#endif
if(base->dispose)
(*base->dispose)(self);
#ifdef GLIBMM_DEBUG_REFCOUNTING
g_warning("Window_Class::dispose_vfunc_callback(): after calling base->dispose.");
#endif
}
}
void Window::unset_focus()
{
gtk_window_set_focus(gobj(), nullptr /* See GTK+ docs */);
}
void Window::unset_default()
{
gtk_window_set_default(gobj(), nullptr /* See GTK+ docs */);
}
void Window::unset_transient_for()
{
gtk_window_set_transient_for(gobj(), nullptr /* See GTK+ docs */);
}
void Window::unset_attached_to()
{
gtk_window_set_attached_to(gobj(), nullptr /* See GTK+ docs */);
}
void Window::unset_application()
{
gtk_window_set_application(gobj(), nullptr /* See GTK+ docs */);
}
#ifndef GTKMM_DISABLE_DEPRECATED
// This works. The base class GtkWidget contains the opacity property.
Glib::PropertyProxy< double > Window::property_opacity()
{
return Glib::PropertyProxy< double >(this, "opacity");
}
Glib::PropertyProxy_ReadOnly< double > Window::property_opacity() const
{
return Glib::PropertyProxy_ReadOnly< double >(this, "opacity");
}
#endif // GTKMM_DISABLE_DEPRECATED
} // namespace Gtk
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