Initial revision

git-svn-id: svn://localhost/trunk/ardour2@4 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/gtkmm2/gtk/gtkmm/menushell.cc

@@ -0,0 +1,492 @@
+// Generated by gtkmmproc -- DO NOT MODIFY!
+
+#include <gtkmm/menushell.h>
+#include <gtkmm/private/menushell_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 <gtk/gtkmenuitem.h>
+#include <gtk/gtkaccellabel.h>
+
+
+namespace Gtk
+{
+
+// All ctors are manually implemented just to initialize accel_window_.
+
+MenuShell::MenuShell()
+:
+  Glib::ObjectBase(0), //Mark this class as gtkmmproc-generated, rather than a custom class, to allow vfunc optimisations.
+  Gtk::Container(Glib::ConstructParams(menushell_class_.init(), (char*) 0)),
+  items_proxy_  (gobj()),
+  accel_window_ (0)
+{}
+
+MenuShell::MenuShell(const Glib::ConstructParams& construct_params)
+:
+  Glib::ObjectBase(0),
+  Gtk::Container  (construct_params),
+  items_proxy_    (gobj()),
+  accel_window_   (0)
+{}
+
+MenuShell::MenuShell(GtkMenuShell* castitem)
+:
+  Gtk::Container((GtkContainer*) castitem),
+  items_proxy_  (gobj()),
+  accel_window_ (0)
+{}
+
+// TODO: Why do we need a custom dtor?
+MenuShell::~MenuShell()
+{}
+
+void MenuShell::accelerate(Window& window)
+{
+  // accel_window_ is used by menuitems that are added to the menushell
+  // after it has been accelerated.
+  accel_window_ = &window;
+
+  const MenuList::iterator items_end = items().end();
+
+  for(MenuList::iterator iter = items().begin(); iter != items_end; ++iter)
+    iter->accelerate(window);
+}
+
+void MenuShell::accelerate(Widget& parent)
+{
+  Gtk::Window* toplevel_window 
+      = dynamic_cast<Gtk::Window*>(parent.get_toplevel());
+  if(toplevel_window)
+    accelerate(*toplevel_window);
+}
+
+MenuShell::MenuList& MenuShell::items()
+{
+  return items_proxy_;
+}
+
+const MenuShell::MenuList& MenuShell::items() const
+{
+  return items_proxy_;
+}
+
+void MenuShell_Class::insert_vfunc_callback(GtkMenuShell* self, GtkWidget* child, int position)
+{
+  try
+  {
+    MenuShell *const obj = dynamic_cast<MenuShell*>(
+        Glib::ObjectBase::_get_current_wrapper((GObject*) self));
+
+    // If MenuShell is accelerated initialize accelerators of new MenuItem.
+    if(obj && obj->accel_window_ && GTK_IS_MENU_ITEM(child))
+    {
+      Glib::wrap((GtkMenuItem*) child)->accelerate(*obj->accel_window_);
+    }
+  }
+  catch(...)
+  {
+    Glib::exception_handlers_invoke();
+  }
+
+  GtkMenuShellClass *const base = static_cast<GtkMenuShellClass*>(
+      g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)));
+
+  if(base && base->insert)
+    (*base->insert)(self, child, position);
+}
+
+
+namespace Menu_Helpers
+{
+
+// List implementation:
+
+
+MenuList::iterator MenuList::insert(MenuList::iterator position, const Element& element)
+{
+  const Glib::RefPtr<Gtk::MenuItem> item = element.get_child();
+
+  g_return_val_if_fail(item != 0, position);
+  g_return_val_if_fail(gparent() != 0, position);
+
+  int pos = -1;
+
+  if(position.node_)
+    pos = g_list_position(glist(), position.node_);
+
+  gtk_menu_shell_insert(gparent(), item->Widget::gobj(), pos);
+
+  return --position;
+}
+
+void MenuList::remove(const_reference child)
+{
+  const Widget& widget = child;
+  remove(const_cast<Widget&>(widget));
+}
+
+void MenuList::remove(Widget& widget)
+{
+  //This is the same as the standard implementation,
+  //but we also unset the accel_label to avoid leaking its reference.
+
+  //If it is a Bin, (actually we're looking for a MenuItem):
+  if(GTK_IS_BIN(widget.gobj()))
+  {
+    //TODO: There is duplication here, with erase().
+    //If the child's child is an AccelLabel then unset its accel widget:
+    //This can't catch every possible AccelLabel in the hierarchy, but it
+    //will catch the ones that we create in MenuItem::MenuItem() without
+    //people being aware of it. People can take care of their own ones themselves.
+    Gtk::AccelLabel* pAccelLabel = dynamic_cast<Gtk::AccelLabel*>(dynamic_cast<Gtk::Bin&>(widget).get_child());
+    if(pAccelLabel) //If the child is an AccelLabel.
+    {
+      //The unset_accel_widget() method is not implemented in gtkmm until 2.4:
+      gtk_accel_label_set_accel_widget(pAccelLabel->gobj(), 0);
+    }
+  }
+
+  gtk_container_remove(GTK_CONTAINER(gparent_),
+                       (GtkWidget*)(widget.gobj()));
+}
+
+MenuList::iterator MenuList::erase(iterator position)
+{
+  //Check that it is a valid iterator, to a real item:
+  if ( !position.node_|| (position == end()) )
+    return end();
+
+  //Get an iterator the the next item, to return:
+  iterator next = position;
+  next++;
+
+  GtkWidget* pChild = (GtkWidget*)(position->gobj());
+  if(GTK_IS_BIN(pChild)) //A MenuItem is a Bin.
+  {  
+    //If the child's child is an AccelLabel then unset it's accel widget:
+    //This can't catch every possible AccelLabel in the hierarchy, but it
+    //will catch the ones that we create in MenuItem::MenuItem() without
+    //people being aware of it. People can take care of their own ones themselves.
+    GtkWidget* pChildOfChild = (GtkWidget*)gtk_bin_get_child(GTK_BIN(pChild));
+    if(GTK_IS_ACCEL_LABEL(pChildOfChild))
+       gtk_accel_label_set_accel_widget(GTK_ACCEL_LABEL(pChildOfChild), 0);
+  }
+  
+  //Use GTK+ C function to remove it, by providing the GtkWidget*:
+  gtk_container_remove( GTK_CONTAINER(gparent_), pChild );
+  
+  return next;
+}
+
+} // namespace Menu_Helpers
+
+} // namespace Gtk
+
+
+namespace
+{
+
+const Glib::SignalProxyInfo MenuShell_signal_deactivate_info =
+{
+  "deactivate",
+  (GCallback) &Glib::SignalProxyNormal::slot0_void_callback,
+  (GCallback) &Glib::SignalProxyNormal::slot0_void_callback
+};
+
+
+const Glib::SignalProxyInfo MenuShell_signal_selection_done_info =
+{
+  "selection_done",
+  (GCallback) &Glib::SignalProxyNormal::slot0_void_callback,
+  (GCallback) &Glib::SignalProxyNormal::slot0_void_callback
+};
+
+} // anonymous namespace
+
+
+namespace Glib
+{
+
+Gtk::MenuShell* wrap(GtkMenuShell* object, bool take_copy)
+{
+  return dynamic_cast<Gtk::MenuShell *> (Glib::wrap_auto ((GObject*)(object), take_copy));
+}
+
+} /* namespace Glib */
+
+namespace Gtk
+{
+
+
+/* The *_Class implementation: */
+
+const Glib::Class& MenuShell_Class::init()
+{
+  if(!gtype_) // create the GType if necessary
+  {
+    // Glib::Class has to know the class init function to clone custom types.
+    class_init_func_ = &MenuShell_Class::class_init_function;
+
+    // This is actually just optimized away, apparently with no harm.
+    // Make sure that the parent type has been created.
+    //CppClassParent::CppObjectType::get_type();
+
+    // Create the wrapper type, with the same class/instance size as the base type.
+    register_derived_type(gtk_menu_shell_get_type());
+
+    // Add derived versions of interfaces, if the C type implements any interfaces:
+  }
+
+  return *this;
+}
+
+void MenuShell_Class::class_init_function(void* g_class, void* class_data)
+{
+  BaseClassType *const klass = static_cast<BaseClassType*>(g_class);
+  CppClassParent::class_init_function(klass, class_data);
+
+    klass->insert = &insert_vfunc_callback;
+    klass->deactivate = &deactivate_callback;
+  klass->selection_done = &selection_done_callback;
+}
+
+
+void MenuShell_Class::deactivate_callback(GtkMenuShell* 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.
+      obj->on_deactivate();
+    }
+    catch(...)
+    {
+      Glib::exception_handlers_invoke();
+    }
+  }
+  else
+  {
+    BaseClassType *const base = static_cast<BaseClassType*>(
+        g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
+    );
+
+    // Call the original underlying C function:
+    if(base && base->deactivate)
+      (*base->deactivate)(self);
+  }
+}
+
+void MenuShell_Class::selection_done_callback(GtkMenuShell* 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.
+      obj->on_selection_done();
+    }
+    catch(...)
+    {
+      Glib::exception_handlers_invoke();
+    }
+  }
+  else
+  {
+    BaseClassType *const base = static_cast<BaseClassType*>(
+        g_type_class_peek_parent(G_OBJECT_GET_CLASS(self)) // Get the parent class of the object class (The original underlying C class).
+    );
+
+    // Call the original underlying C function:
+    if(base && base->selection_done)
+      (*base->selection_done)(self);
+  }
+}
+
+
+Glib::ObjectBase* MenuShell_Class::wrap_new(GObject* o)
+{
+  return manage(new MenuShell((GtkMenuShell*)(o)));
+
+}
+
+
+/* The implementation: */
+
+MenuShell::CppClassType MenuShell::menushell_class_; // initialize static member
+
+GType MenuShell::get_type()
+{
+  return menushell_class_.init().get_type();
+}
+
+GType MenuShell::get_base_type()
+{
+  return gtk_menu_shell_get_type();
+}
+
+
+namespace Menu_Helpers
+{
+
+MenuList::MenuList()
+{}
+
+MenuList::MenuList(GtkMenuShell* gparent)
+: type_base((GObject*)gparent)
+{}
+
+MenuList::MenuList(const MenuList& src)
+:
+  type_base(src)
+{}
+
+MenuList& MenuList::operator=(const MenuList& src)
+{
+  type_base::operator=(src);
+  return *this;
+}
+
+GList*& MenuList::glist() const
+{
+  return ((GtkMenuShell*)gparent_)->children;
+}
+
+void MenuList::erase(iterator start, iterator stop)
+{
+  type_base::erase(start, stop);
+}
+
+GtkMenuShell* MenuList::gparent()
+{
+  return (GtkMenuShell*)type_base::gparent();
+}
+
+const GtkMenuShell* MenuList::gparent() const
+{
+  return (GtkMenuShell*)type_base::gparent();
+}
+
+MenuList::reference MenuList::operator[](size_type l) const
+{
+  return type_base::operator[](l);
+}
+
+} /* namespace Menu_Helpers */
+
+void MenuShell::append(MenuItem& menu_item)
+{
+  gtk_menu_shell_append(gobj(), (menu_item).Gtk::Widget::gobj());
+}
+
+void MenuShell::prepend(MenuItem& menu_item)
+{
+  gtk_menu_shell_prepend(gobj(), (menu_item).Gtk::Widget::gobj());
+}
+
+void MenuShell::insert(MenuItem& menu_item, int position)
+{
+  gtk_menu_shell_insert(gobj(), (menu_item).Gtk::Widget::gobj(), position);
+}
+
+void MenuShell::select_item(MenuItem& menu_item)
+{
+  gtk_menu_shell_select_item(gobj(), (menu_item).Gtk::Widget::gobj());
+}
+
+void MenuShell::deselect()
+{
+  gtk_menu_shell_deselect(gobj());
+}
+
+void MenuShell::activate_item(MenuItem& menu_item, bool force_deactivate)
+{
+  gtk_menu_shell_activate_item(gobj(), (menu_item).Gtk::Widget::gobj(), static_cast<int>(force_deactivate));
+}
+
+void MenuShell::select_first(bool search_sensitive)
+{
+  gtk_menu_shell_select_first(gobj(), static_cast<int>(search_sensitive));
+}
+
+void MenuShell::deactivate()
+{
+  gtk_menu_shell_deactivate(gobj());
+}
+
+void MenuShell::cancel()
+{
+  gtk_menu_shell_cancel(gobj());
+}
+
+
+Glib::SignalProxy0< void > MenuShell::signal_deactivate()
+{
+  return Glib::SignalProxy0< void >(this, &MenuShell_signal_deactivate_info);
+}
+
+Glib::SignalProxy0< void > MenuShell::signal_selection_done()
+{
+  return Glib::SignalProxy0< void >(this, &MenuShell_signal_selection_done_info);
+}
+
+
+void Gtk::MenuShell::on_deactivate()
+{
+  BaseClassType *const base = static_cast<BaseClassType*>(
+      g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
+  );
+
+  if(base && base->deactivate)
+    (*base->deactivate)(gobj());
+}
+
+void Gtk::MenuShell::on_selection_done()
+{
+  BaseClassType *const base = static_cast<BaseClassType*>(
+      g_type_class_peek_parent(G_OBJECT_GET_CLASS(gobject_)) // Get the parent class of the object class (The original underlying C class).
+  );
+
+  if(base && base->selection_done)
+    (*base->selection_done)(gobj());
+}
+
+
+} // namespace Gtk
+
+