diff options
Diffstat (limited to 'libs/gtkmm2/gtk/gtkmm/treedragdest.cc')
-rw-r--r-- | libs/gtkmm2/gtk/gtkmm/treedragdest.cc | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/libs/gtkmm2/gtk/gtkmm/treedragdest.cc b/libs/gtkmm2/gtk/gtkmm/treedragdest.cc new file mode 100644 index 0000000000..d201fbddea --- /dev/null +++ b/libs/gtkmm2/gtk/gtkmm/treedragdest.cc @@ -0,0 +1,244 @@ +// Generated by gtkmmproc -- DO NOT MODIFY! + +#include <gtkmm/treedragdest.h> +#include <gtkmm/private/treedragdest_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 <gtkmm/treepath.h> +#include <gtkmm/selectiondata_private.h> +#include <gtk/gtktreednd.h> + + +namespace +{ +} // anonymous namespace + + +namespace Glib +{ + +Glib::RefPtr<Gtk::TreeDragDest> wrap(GtkTreeDragDest* object, bool take_copy) +{ + return Glib::RefPtr<Gtk::TreeDragDest>( dynamic_cast<Gtk::TreeDragDest*> (Glib::wrap_auto ((GObject*)(object), take_copy)) ); + //We use dynamic_cast<> in case of multiple inheritance. +} + +} // namespace Glib + + +namespace Gtk +{ + + +/* The *_Class implementation: */ + +const Glib::Interface_Class& TreeDragDest_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_ = &TreeDragDest_Class::iface_init_function; + + // We can not derive from another interface, and it is not necessary anyway. + gtype_ = gtk_tree_drag_dest_get_type(); + } + + return *this; +} + +void TreeDragDest_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->drag_data_received = &drag_data_received_vfunc_callback; + klass->row_drop_possible = &row_drop_possible_vfunc_callback; +} + +gboolean TreeDragDest_Class::drag_data_received_vfunc_callback(GtkTreeDragDest* self, GtkTreePath* dest, GtkSelectionData* selection_data) +{ + 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 static_cast<int>(obj->drag_data_received_vfunc(Gtk::TreePath(dest, true) +, SelectionData_WithoutOwnership(selection_data) +)); + } + 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->drag_data_received) + return (*base->drag_data_received)(self, dest, selection_data); + } + + typedef gboolean RType; + return RType(); +} + +gboolean TreeDragDest_Class::row_drop_possible_vfunc_callback(GtkTreeDragDest* self, GtkTreePath* dest_path, GtkSelectionData* selection_data) +{ + 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 static_cast<int>(obj->row_drop_possible_vfunc(Gtk::TreePath(dest_path, true) +, SelectionData_WithoutOwnership(selection_data) +)); + } + 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->row_drop_possible) + return (*base->row_drop_possible)(self, dest_path, selection_data); + } + + typedef gboolean RType; + return RType(); +} + + +Glib::ObjectBase* TreeDragDest_Class::wrap_new(GObject* object) +{ + return new TreeDragDest((GtkTreeDragDest*)(object)); +} + + +/* The implementation: */ + +TreeDragDest::TreeDragDest() +: + Glib::Interface(treedragdest_class_.init()) +{} + +TreeDragDest::TreeDragDest(GtkTreeDragDest* castitem) +: + Glib::Interface((GObject*)(castitem)) +{} + +TreeDragDest::~TreeDragDest() +{} + +// static +void TreeDragDest::add_interface(GType gtype_implementer) +{ + treedragdest_class_.init().add_interface(gtype_implementer); +} + +TreeDragDest::CppClassType TreeDragDest::treedragdest_class_; // initialize static member + +GType TreeDragDest::get_type() +{ + return treedragdest_class_.init().get_type(); +} + +GType TreeDragDest::get_base_type() +{ + return gtk_tree_drag_dest_get_type(); +} + + +bool TreeDragDest::drag_data_received(const TreeModel::Path& dest, const SelectionData& selection_data) +{ + return gtk_tree_drag_dest_drag_data_received(gobj(), const_cast<GtkTreePath*>((dest).gobj()), const_cast<GtkSelectionData*>((selection_data).gobj())); +} + +bool TreeDragDest::row_drop_possible(const TreeModel::Path& dest_path, const SelectionData& selection_data) const +{ + return gtk_tree_drag_dest_row_drop_possible(const_cast<GtkTreeDragDest*>(gobj()), const_cast<GtkTreePath*>((dest_path).gobj()), const_cast<GtkSelectionData*>((selection_data).gobj())); +} + + +bool Gtk::TreeDragDest::drag_data_received_vfunc(const TreeModel::Path& dest, const SelectionData& selection_data) +{ + 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->drag_data_received) + return (*base->drag_data_received)(gobj(),const_cast<GtkTreePath*>((dest).gobj()),const_cast<GtkSelectionData*>((selection_data).gobj())); + + typedef bool RType; + return RType(); +} + +bool Gtk::TreeDragDest::row_drop_possible_vfunc(const TreeModel::Path& dest, const SelectionData& selection_data) const +{ + 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->row_drop_possible) + return (*base->row_drop_possible)(const_cast<GtkTreeDragDest*>(gobj()),const_cast<GtkTreePath*>((dest).gobj()),const_cast<GtkSelectionData*>((selection_data).gobj())); + + typedef bool RType; + return RType(); +} + + +} // namespace Gtk + + |