Remove ancient trunk folder from svn repository
[synfig.git] / synfig-studio / trunk / src / gtkmm / layertree.cpp
diff --git a/synfig-studio/trunk/src/gtkmm/layertree.cpp b/synfig-studio/trunk/src/gtkmm/layertree.cpp
deleted file mode 100644 (file)
index a69f234..0000000
+++ /dev/null
@@ -1,1232 +0,0 @@
-/* === S Y N F I G ========================================================= */
-/*!    \file layertree.cpp
-**     \brief Template File
-**
-**     $Id$
-**
-**     \legal
-**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**     Copyright (c) 2007, 2008 Chris Moore
-**
-**     This package is free software; you can redistribute it and/or
-**     modify it under the terms of the GNU General Public License as
-**     published by the Free Software Foundation; either version 2 of
-**     the License, or (at your option) any later version.
-**
-**     This package 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
-**     General Public License for more details.
-**     \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-#      include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-#      include <config.h>
-#endif
-
-#include "layertree.h"
-#include "layerparamtreestore.h"
-#include "cellrenderer_value.h"
-#include "cellrenderer_timetrack.h"
-#include <synfigapp/action.h>
-#include <synfigapp/instance.h>
-#include <gtkmm/scrolledwindow.h>
-#include <gtkmm/paned.h>
-#include "app.h"
-#include "instance.h"
-#include <gtkmm/treemodelsort.h>
-
-#ifdef TIMETRACK_IN_PARAMS_PANEL
-#  include <synfig/timepointcollect.h>
-#endif // TIMETRACK_IN_PARAMS_PANEL
-
-#include "general.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-using namespace studio;
-
-/* === M A C R O S ========================================================= */
-
-#ifndef SMALL_BUTTON
-#define SMALL_BUTTON(button,stockid,tooltip)   \
-       button = manage(new class Gtk::Button());       \
-       icon=manage(new Gtk::Image(Gtk::StockID(stockid),iconsize));    \
-       button->add(*icon);     \
-       tooltips_.set_tip(*button,tooltip);     \
-       icon->set_padding(0,0);\
-       icon->show();   \
-       button->set_relief(Gtk::RELIEF_NONE); \
-       button->show()
-#endif
-
-#ifndef NORMAL_BUTTON
-#define NORMAL_BUTTON(button,stockid,tooltip)  \
-       button = manage(new class Gtk::Button());       \
-       icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::ICON_SIZE_BUTTON));       \
-       button->add(*icon);     \
-       tooltips_.set_tip(*button,tooltip);     \
-       icon->set_padding(0,0);\
-       icon->show();   \
-       /*button->set_relief(Gtk::RELIEF_NONE);*/ \
-       button->show()
-#endif
-
-#define NEW_SMALL_BUTTON(x,y,z)        Gtk::Button *SMALL_BUTTON(x,y,z)
-
-#define NOT_IMPLEMENTED_SLOT sigc::mem_fun(*reinterpret_cast<studio::CanvasViewUIInterface*>(get_ui_interface().get()),&studio::CanvasViewUIInterface::not_implemented)
-
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-LayerTree::LayerTree():
-       layer_amount_adjustment_(1,0,1,0.01,0.01,0)
-{
-       param_tree_view_=new Gtk::TreeView;
-       layer_tree_view_=new Gtk::TreeView;
-
-       //Gtk::HPaned* hpaned(manage(new Gtk::HPaned()));
-       //hpaned->show();
-       //attach(*hpaned, 0, 3, 0, 1, Gtk::EXPAND|Gtk::FILL,Gtk::EXPAND|Gtk::FILL, 0, 0);
-       //attach(*create_layer_tree(), 0, 3, 0, 1, Gtk::EXPAND|Gtk::FILL,Gtk::EXPAND|Gtk::FILL, 0, 0);
-
-       create_layer_tree();
-       create_param_tree();
-
-       //hpaned->pack1(*create_layer_tree(),false,false);
-       //hpaned->pack2(*create_param_tree(),true,false);
-       //hpaned->set_position(200);
-       hbox=manage(new Gtk::HBox());
-
-       attach(*hbox, 0, 1, 1, 2, Gtk::FILL|Gtk::SHRINK, Gtk::SHRINK, 0, 0);
-       attach(blend_method_widget, 2, 3, 1, 2,Gtk::SHRINK, Gtk::SHRINK, 0, 0);
-
-       layer_amount_hscale=manage(new Gtk::HScale(layer_amount_adjustment_));
-       layer_amount_hscale->set_digits(2);
-       layer_amount_hscale->set_value_pos(Gtk::POS_LEFT);
-       layer_amount_hscale->set_sensitive(false);
-       layer_amount_hscale->set_update_policy( Gtk::UPDATE_DISCONTINUOUS);
-       attach(*layer_amount_hscale, 1, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 1, 1);
-       layer_amount_adjustment_.signal_value_changed().connect(sigc::mem_fun(*this, &studio::LayerTree::on_amount_value_changed));
-
-       Gtk::Image *icon;
-       //Gtk::IconSize iconsize(Gtk::IconSize::from_name("synfig-small_icon"));
-       Gtk::IconSize iconsize(Gtk::ICON_SIZE_SMALL_TOOLBAR);
-
-       SMALL_BUTTON(button_raise,"gtk-go-up","Raise");
-       SMALL_BUTTON(button_lower,"gtk-go-down","Lower");
-       SMALL_BUTTON(button_duplicate,"synfig-duplicate","Duplicate");
-       SMALL_BUTTON(button_encapsulate,"synfig-encapsulate","Encapsulate");
-       SMALL_BUTTON(button_delete,"gtk-delete","Delete");
-
-       hbox->pack_start(*button_raise,Gtk::PACK_SHRINK);
-       hbox->pack_start(*button_lower,Gtk::PACK_SHRINK);
-       hbox->pack_start(*button_duplicate,Gtk::PACK_SHRINK);
-       hbox->pack_start(*button_encapsulate,Gtk::PACK_SHRINK);
-       hbox->pack_start(*button_delete,Gtk::PACK_SHRINK);
-
-       // button_raise->signal_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_raise_pressed));
-       // button_lower->signal_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_lower_pressed));
-       // button_duplicate->signal_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_duplicate_pressed));
-       // button_encapsulate->signal_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_encapsulate_pressed));
-       // button_delete->signal_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_delete_pressed));
-
-       button_raise->set_sensitive(false);
-       button_lower->set_sensitive(false);
-       button_duplicate->set_sensitive(false);
-       button_encapsulate->set_sensitive(false);
-       button_delete->set_sensitive(false);
-
-       get_selection()->signal_changed().connect(sigc::mem_fun(*this, &studio::LayerTree::on_selection_changed));
-
-       get_layer_tree_view().set_reorderable(true);
-       get_selection()->set_mode(Gtk::SELECTION_MULTIPLE);
-       //get_param_tree_view().get_selection()->set_mode(Gtk::SELECTION_MULTIPLE);
-       get_layer_tree_view().show();
-       get_param_tree_view().show();
-
-       hbox->show();
-       layer_amount_hscale->show();
-       blend_method_widget.show();
-
-       tooltips_.enable();
-       disable_amount_changed_signal=false;
-
-       blend_method_widget.set_param_desc(ParamDesc(Color::BlendMethod(),"blend_method"));
-
-       blend_method_widget.set_value((int)Color::BLEND_COMPOSITE);
-       blend_method_widget.set_size_request(150,-1);
-       blend_method_widget.set_sensitive(false);
-       blend_method_widget.signal_activate().connect(sigc::mem_fun(*this, &studio::LayerTree::on_blend_method_changed));
-}
-
-LayerTree::~LayerTree()
-{
-       if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
-               synfig::info("LayerTree::~LayerTree(): Deleted");
-}
-
-Gtk::Widget*
-LayerTree::create_layer_tree()
-{
-       const LayerTreeStore::Model model;
-
-       {       // --- O N / O F F ----------------------------------------------------
-               //int index;
-               //index=get_layer_tree_view().append_column_editable(_(" "),layer_model.active);
-               //Gtk::TreeView::Column* column = get_layer_tree_view().get_column(index-1);
-
-               Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_(" ")) );
-
-               // Set up the icon cell-renderer
-               Gtk::CellRendererToggle* cellrenderer = Gtk::manage( new Gtk::CellRendererToggle() );
-               cellrenderer->signal_toggled().connect(sigc::mem_fun(*this, &studio::LayerTree::on_layer_toggle));
-
-               column->pack_start(*cellrenderer,false);
-               column->add_attribute(cellrenderer->property_active(), layer_model.active);
-               get_layer_tree_view().append_column(*column);
-       }
-
-       {       // --- I C O N --------------------------------------------------------
-               int index;
-               index=get_layer_tree_view().append_column(_("Z"),layer_model.icon);
-               Gtk::TreeView::Column* column = get_layer_tree_view().get_column(index-1);
-               get_layer_tree_view().set_expander_column(*column);
-
-               column->set_sort_column(layer_model.z_depth);
-               //column->set_reorderable();
-               //column->set_resizable();
-               //column->set_clickable();
-
-               //Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
-               //column->pack_start(*icon_cellrenderer,false);
-               //column->add_attribute(icon_cellrenderer->property_pixbuf(), layer_model.icon);
-       }
-       //get_layer_tree_view().append_column(_("Z"),layer_model.z_depth);
-       {       // --- N A M E --------------------------------------------------------
-               Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Name")) );
-
-               // Set up the icon cell-renderer
-               Gtk::CellRendererText* cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
-               column->pack_start(*cellrenderer,false);
-               column->add_attribute(cellrenderer->property_text(), layer_model.label);
-               cellrenderer->signal_edited().connect(sigc::mem_fun(*this, &studio::LayerTree::on_layer_renamed));
-               cellrenderer->property_editable()=true;
-
-               column->set_reorderable();
-               // column->set_resizable();
-               column->set_clickable(true);
-               column->set_sort_column(layer_model.label);
-
-               get_layer_tree_view().append_column(*column);
-
-               //              int index;
-//             index=get_layer_tree_view().append_column_editable(_("Layer"),layer_model.label);
-               //Gtk::TreeView::Column* column = get_layer_tree_view().get_column(index-1);
-
-               //get_layer_tree_view().set_expander_column(*column);
-
-               //Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
-               //column->pack_start(*icon_cellrenderer,false);
-               //column->add_attribute(icon_cellrenderer->property_pixbuf(), layer_model.icon);
-       }
-       {       // --- Z D E P T H ----------------------------------------------------
-               int index;
-               index=get_layer_tree_view().append_column(_("Z"),layer_model.z_depth);
-               column_z_depth=get_layer_tree_view().get_column(index-1);
-
-               column_z_depth->set_reorderable();
-               column_z_depth->set_resizable();
-               column_z_depth->set_clickable();
-
-               column_z_depth->set_sort_column(layer_model.z_depth);
-       }
-
-       get_layer_tree_view().set_enable_search(true);
-       get_layer_tree_view().set_search_column(layer_model.label);
-       get_layer_tree_view().set_search_equal_func(sigc::ptr_fun(&studio::LayerTreeStore::search_func));
-
-       std::list<Gtk::TargetEntry> listTargets;
-       listTargets.push_back( Gtk::TargetEntry("LAYER") );
-       get_layer_tree_view().drag_dest_set(listTargets);
-
-       // This makes things easier to read.
-       get_layer_tree_view().set_rules_hint();
-
-       // Make us more sensitive to several events
-       //get_layer_tree_view().add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | Gdk::BUTTON1_MOTION_MASK | Gdk::BUTTON2_MOTION_MASK|Gdk::POINTER_MOTION_MASK);
-
-       get_layer_tree_view().signal_event().connect(sigc::mem_fun(*this, &studio::LayerTree::on_layer_tree_event));
-       get_layer_tree_view().show();
-
-       Gtk::ScrolledWindow *scroll = manage(new class Gtk::ScrolledWindow());
-       scroll->set_flags(Gtk::CAN_FOCUS);
-       scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
-       //scroll->add(get_layer_tree_view());
-       scroll->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
-       scroll->show();
-
-       return scroll;
-}
-
-Gtk::Widget*
-LayerTree::create_param_tree()
-{
-       Pango::AttrList attr_list;
-       {
-               Pango::AttrInt pango_size(Pango::Attribute::create_attr_size(Pango::SCALE*8));
-               pango_size.set_start_index(0);
-               pango_size.set_end_index(64);
-               attr_list.change(pango_size);
-       }
-
-       Gtk::IconSize icon_size(Gtk::ICON_SIZE_SMALL_TOOLBAR);
-
-       {       // --- N A M E --------------------------------------------------------
-               Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Name")) );
-
-               // Set up the icon cell-renderer
-               Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
-               column->pack_start(*icon_cellrenderer,false);
-               column->add_attribute(icon_cellrenderer->property_pixbuf(), param_model.icon);
-
-               // Pack the label into the column
-               //column->pack_start(layer_model.label,true);
-               Gtk::CellRendererText* text_cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
-               column->pack_start(*text_cellrenderer,false);
-               column->add_attribute(text_cellrenderer->property_text(), param_model.label);
-               text_cellrenderer->property_attributes()=attr_list;
-
-               text_cellrenderer->property_foreground()=Glib::ustring("#7f7f7f");
-               column->add_attribute(text_cellrenderer->property_foreground_set(),param_model.is_inconsistent);
-
-               // Pack the label into the column
-               //column->pack_start(param_model.label,true);
-
-               // Set up the value-node icon cell-renderer to be on the far right
-               Gtk::CellRendererPixbuf* valuenode_icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
-               column->pack_end(*valuenode_icon_cellrenderer,false);
-               valuenode_icon_cellrenderer->property_pixbuf()=Gtk::Button().render_icon(Gtk::StockID("synfig-value_node"),icon_size);
-               column->add_attribute(valuenode_icon_cellrenderer->property_visible(), param_model.is_shared);
-
-               // Finish setting up the column
-               column->set_reorderable();
-               column->set_resizable();
-               column->set_clickable();
-
-               get_param_tree_view().append_column(*column);
-       }
-       {       // --- V A L U E  -----------------------------------------------------
-               Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Value")) );
-
-               // Set up the value cell-renderer
-               cellrenderer_value=LayerParamTreeStore::add_cell_renderer_value(column);
-               cellrenderer_value->signal_edited().connect(sigc::mem_fun(*this, &studio::LayerTree::on_edited_value));
-               cellrenderer_value->property_value()=synfig::ValueBase();
-               column->add_attribute(cellrenderer_value->property_param_desc(), param_model.param_desc);
-               column->add_attribute(cellrenderer_value->property_inconsistent(),param_model.is_inconsistent);
-               //cellrenderer_value->property_canvas()=canvas_interface->get_canvas(); // Is this line necessary?
-               cellrenderer_value->property_attributes()=attr_list;
-
-               // Finish setting up the column
-               get_param_tree_view().append_column(*column);
-               column->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
-               column->set_clickable();
-               column->set_min_width(120);
-               column->set_reorderable();
-               column->set_resizable();
-       }
-       {       // --- T Y P E --------------------------------------------------------
-               Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Type")) );
-               Gtk::CellRendererText* text_cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
-               column->pack_start(*text_cellrenderer,false);
-               column->add_attribute(text_cellrenderer->property_text(), param_model.type);
-               text_cellrenderer->property_attributes()=attr_list;
-               get_param_tree_view().append_column(*column);
-               column->set_reorderable();
-               column->set_resizable();
-               column->set_clickable();
-               column->set_sort_column(param_model.type);
-       }
-#ifdef TIMETRACK_IN_PARAMS_PANEL
-       {       // --- T I M E   T R A C K --------------------------------------------
-               Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Time Track")) );
-               column_time_track=column;
-
-               // Set up the value-node cell-renderer
-               cellrenderer_time_track=LayerParamTreeStore::add_cell_renderer_value_node(column);
-               cellrenderer_time_track->property_mode()=Gtk::CELL_RENDERER_MODE_ACTIVATABLE;
-               cellrenderer_time_track->signal_waypoint_clicked_cellrenderer().connect(sigc::mem_fun(*this, &studio::LayerTree::on_waypoint_clicked_layertree) );
-               cellrenderer_time_track->signal_waypoint_changed().connect(sigc::mem_fun(*this, &studio::LayerTree::on_waypoint_changed) );
-               column->add_attribute(cellrenderer_time_track->property_value_desc(), param_model.value_desc);
-               column->add_attribute(cellrenderer_time_track->property_canvas(), param_model.canvas);
-               column->add_attribute(cellrenderer_time_track->property_visible(), param_model.is_value_node);
-
-               // Finish setting up the column
-               column->set_reorderable();
-               column->set_resizable();
-               column->set_min_width(200);
-
-               if (!getenv("SYNFIG_DISABLE_PARAMS_PANEL_TIMETRACK"))
-                       get_param_tree_view().append_column(*column);
-       }
-#endif // TIMETRACK_IN_PARAMS_PANEL
-
-       // This makes things easier to read.
-       get_param_tree_view().set_rules_hint();
-
-       // Make us more sensitive to several events
-       get_param_tree_view().add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | Gdk::BUTTON1_MOTION_MASK | Gdk::BUTTON2_MOTION_MASK|Gdk::POINTER_MOTION_MASK);
-
-       get_param_tree_view().signal_event().connect(sigc::mem_fun(*this, &studio::LayerTree::on_param_tree_event));
-       get_param_tree_view().show();
-
-       Gtk::ScrolledWindow *scroll = manage(new class Gtk::ScrolledWindow());
-       scroll->set_flags(Gtk::CAN_FOCUS);
-       scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
-       //scroll->add(get_param_tree_view());
-       scroll->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
-       scroll->show();
-
-       //column_time_track->set_visible(false);
-
-       return scroll;
-}
-
-void
-LayerTree::on_waypoint_changed( synfig::Waypoint waypoint , synfig::ValueNode::Handle value_node)
-{
-       synfigapp::Action::ParamList param_list;
-       param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
-       param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
-       param_list.add("value_node",value_node);
-       param_list.add("waypoint",waypoint);
-//     param_list.add("time",canvas_interface()->get_time());
-
-       etl::handle<studio::Instance>::cast_static(layer_tree_store_->canvas_interface()->get_instance())->process_action("WaypointSetSmart", param_list);
-}
-
-void
-LayerTree::select_layer(synfig::Layer::Handle layer)
-{
-       Gtk::TreeModel::Children::iterator iter;
-       if(layer_tree_store_->find_layer_row(layer,iter))
-       {
-               if(sorted_layer_tree_store_)
-                       iter=sorted_layer_tree_store_->convert_child_iter_to_iter(iter);
-
-               Gtk::TreePath path(iter);
-               for(int i=path.get_depth();i;i--)
-               {
-                       int j;
-                       path=Gtk::TreePath(iter);
-                       for(j=i;j;j--)
-                               path.up();
-                       get_layer_tree_view().expand_row(path,false);
-               }
-               get_layer_tree_view().scroll_to_row(Gtk::TreePath(iter));
-               get_layer_tree_view().get_selection()->select(iter);
-       }
-}
-
-void
-LayerTree::select_all_children(Gtk::TreeModel::Children::iterator iter)
-{
-       get_layer_tree_view().get_selection()->select(iter);
-       if((bool)(*iter)[layer_model.children_lock])
-               return;
-       get_layer_tree_view().expand_row(layer_tree_store_->get_path(iter),false);
-       Gtk::TreeModel::Children children(iter->children());
-       for(iter=children.begin();iter!=children.end();++iter)
-               select_all_children(iter);
-}
-
-void
-LayerTree::select_all_children_layers(synfig::Layer::Handle layer)
-{
-       Gtk::TreeModel::Children::iterator iter;
-       if(layer_tree_store_->find_layer_row(layer,iter))
-               select_all_children(iter);
-}
-
-void
-LayerTree::select_layers(const LayerList &layer_list)
-{
-       LayerList::const_iterator iter;
-       for(iter = layer_list.begin(); iter != layer_list.end(); ++iter)
-               select_layer(*iter);
-}
-
-static inline void __layer_grabber(const Gtk::TreeModel::iterator& iter, LayerTree::LayerList* ret)
-{
-       const LayerTreeStore::Model layer_tree_model;
-       ret->push_back((Layer::Handle)(*iter)[layer_tree_model.layer]);
-}
-
-LayerTree::LayerList
-LayerTree::get_selected_layers()const
-{
-       Glib::RefPtr<Gtk::TreeSelection> selection=const_cast<Gtk::TreeView&>(get_layer_tree_view()).get_selection();
-
-       if(!selection)
-               return LayerList();
-
-       LayerList ret;
-
-       selection->selected_foreach_iter(
-               sigc::bind(
-                       sigc::ptr_fun(
-                               &__layer_grabber
-                       ),
-                       &ret
-               )
-       );
-
-       return ret;
-}
-
-synfig::Layer::Handle
-LayerTree::get_selected_layer()const
-{
-       LayerList layers(get_selected_layers());
-
-       if(layers.empty())
-               return 0;
-
-       return *layers.begin();
-}
-
-void
-LayerTree::clear_selected_layers()
-{
-       get_layer_tree_view().get_selection()->unselect_all();
-}
-
-void
-LayerTree::set_show_timetrack(bool x)
-{
-       //column_time_track->set_visible(x);
-//     column_time_track->set_visible(false);
-       column_z_depth->set_visible(x);
-}
-
-void
-LayerTree::set_model(Glib::RefPtr<LayerTreeStore> layer_tree_store)
-{
-       layer_tree_store_=layer_tree_store;
-
-       if(false)
-       {
-               sorted_layer_tree_store_=Gtk::TreeModelSort::create(layer_tree_store);
-
-               sorted_layer_tree_store_->set_default_sort_func(sigc::ptr_fun(&studio::LayerTreeStore::z_sorter));
-
-               //sorted_store->set_sort_func(model.time.index(),sigc::mem_fun(&studio::KeyframeTreeStore::time_sorter));
-               //sorted_store->set_sort_column(model.time.index(), Gtk::SORT_ASCENDING);
-
-               get_layer_tree_view().set_model(sorted_layer_tree_store_);
-       }
-       else
-               get_layer_tree_view().set_model(layer_tree_store_);
-
-       layer_tree_store_->canvas_interface()->signal_dirty_preview().connect(sigc::mem_fun(*this,&studio::LayerTree::on_dirty_preview));
-
-       //layer_tree_store_->canvas_interface()->signal_dirty_preview().connect(sigc::mem_fun(*this,&studio::LayerTree::on_dirty_preview));
-
-       layer_tree_store_->canvas_interface()->signal_time_changed().connect(
-               sigc::mem_fun(
-                       &get_param_tree_view(),
-                       &Gtk::Widget::queue_draw
-               )
-       );
-       if(!param_tree_store_)
-       {
-               param_tree_store_=LayerParamTreeStore::create(layer_tree_store_->canvas_interface(), this);
-               get_param_tree_view().set_model(param_tree_store_);
-       }
-
-#ifdef TIMETRACK_IN_PARAMS_PANEL
-       if(cellrenderer_time_track && layer_tree_store_ && layer_tree_store_->canvas_interface())
-               cellrenderer_time_track->set_canvas_interface(layer_tree_store_->canvas_interface());
-#endif // TIMETRACK_IN_PARAMS_PANEL
-}
-
-void
-LayerTree::set_time_adjustment(Gtk::Adjustment &adjustment)
-{
-#ifdef TIMETRACK_IN_PARAMS_PANEL
-       cellrenderer_time_track->set_adjustment(adjustment);
-#endif // TIMETRACK_IN_PARAMS_PANEL
-       adjustment.signal_value_changed().connect(sigc::mem_fun(get_param_tree_view(),&Gtk::TreeView::queue_draw));
-       adjustment.signal_changed().connect(sigc::mem_fun(get_param_tree_view(),&Gtk::TreeView::queue_draw));
-}
-
-void
-LayerTree::on_dirty_preview()
-{
-/*
-       if(quick_layer && !disable_amount_changed_signal)
-       {
-               layer_amount_hscale->set_sensitive(true);
-               disable_amount_changed_signal=true;
-               layer_amount_adjustment_.set_value(quick_layer->get_param("amount").get(Real()));
-               disable_amount_changed_signal=false;
-               if(quick_layer->get_param("blend_method").is_valid())
-               {
-                       blend_method_widget.set_sensitive(true);
-                       disable_amount_changed_signal=true;
-                       blend_method_widget.set_value(quick_layer->get_param("blend_method"));
-                       disable_amount_changed_signal=false;
-               }
-       }
-*/
-}
-
-void
-LayerTree::on_selection_changed()
-{
-       synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
-
-       Gtk::TreeIter iter;
-       if(last_top_selected_layer && !layer_tree_store_->find_layer_row(last_top_selected_layer,iter))
-       {
-               if(layer_list.empty())
-               {
-                       last_top_selected_layer=0;
-                       layer_tree_view_->get_selection()->select(last_top_selected_path);
-                       return;
-               }
-       }
-
-       {
-               if(!layer_list.empty())
-               {
-                       last_top_selected_layer=layer_list.front();
-                       last_top_selected_path=*layer_tree_view_->get_selection()->get_selected_rows().begin();
-               }
-               else
-               {
-                       last_top_selected_layer=0;
-               }
-       }
-
-       if(layer_list.empty())
-       {
-               button_raise->set_sensitive(false);
-               button_lower->set_sensitive(false);
-               button_duplicate->set_sensitive(false);
-               button_encapsulate->set_sensitive(false);
-               button_delete->set_sensitive(false);
-               layer_amount_hscale->set_sensitive(false);
-               blend_method_widget.set_sensitive(false);
-               return;
-       }
-
-       button_raise->set_sensitive(true);
-       button_lower->set_sensitive(true);
-       button_duplicate->set_sensitive(true);
-       button_encapsulate->set_sensitive(true);
-       button_delete->set_sensitive(true);
-
-       if(layer_list.size()==1 && (*layer_list.begin())->get_param("amount").is_valid()&& (*layer_list.begin())->get_param("amount").same_type_as(Real()))
-       {
-               quick_layer=*layer_list.begin();
-       }
-       else
-               quick_layer=0;
-
-       if(quick_layer)
-       {
-               layer_amount_hscale->set_sensitive(true);
-               disable_amount_changed_signal=true;
-               layer_amount_adjustment_.set_value(quick_layer->get_param("amount").get(Real()));
-               disable_amount_changed_signal=false;
-               if(quick_layer->get_param("blend_method").is_valid())
-               {
-                       blend_method_widget.set_sensitive(true);
-                       disable_amount_changed_signal=true;
-                       blend_method_widget.set_value(quick_layer->get_param("blend_method"));
-                       disable_amount_changed_signal=false;
-               }
-               else
-                       blend_method_widget.set_sensitive(false);
-       }
-       else
-       {
-               layer_amount_hscale->set_sensitive(false);
-               blend_method_widget.set_sensitive(false);
-       }
-}
-
-void
-LayerTree::on_blend_method_changed()
-{
-       if(disable_amount_changed_signal)
-               return;
-       if(!quick_layer)
-               return;
-
-       if(quick_layer->get_param("blend_method").is_valid())
-       {
-               disable_amount_changed_signal=true;
-               signal_edited_value()(synfigapp::ValueDesc(quick_layer,"blend_method"),blend_method_widget.get_value());
-               disable_amount_changed_signal=false;
-       }
-}
-
-void
-LayerTree::on_amount_value_changed()
-{
-       if(disable_amount_changed_signal)
-               return;
-       if(!quick_layer)
-               return;
-
-       disable_amount_changed_signal=true;
-       signal_edited_value()(synfigapp::ValueDesc(quick_layer,"amount"),synfig::ValueBase(layer_amount_adjustment_.get_value()));
-       disable_amount_changed_signal=false;
-}
-
-void
-LayerTree::on_edited_value(const Glib::ustring&path_string,synfig::ValueBase value)
-{
-       Gtk::TreePath path(path_string);
-
-       const Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
-       if(!row)
-               return;
-       row[param_model.value]=value;
-       //signal_edited_value()(row[param_model.value_desc],value);
-}
-
-void
-LayerTree::on_layer_renamed(const Glib::ustring&path_string,const Glib::ustring& value)
-{
-       Gtk::TreePath path(path_string);
-
-       const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
-       if(!row)
-               return;
-       row[layer_model.label]=value;
-       get_layer_tree_view().columns_autosize();
-}
-
-void
-LayerTree::on_layer_toggle(const Glib::ustring& path_string)
-{
-       Gtk::TreePath path(path_string);
-
-       const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
-       bool active=static_cast<bool>(row[layer_model.active]);
-       row[layer_model.active]=!active;
-}
-
-#ifdef TIMETRACK_IN_PARAMS_PANEL
-void
-LayerTree::on_waypoint_clicked_layertree(const etl::handle<synfig::Node>& node __attribute__ ((unused)),
-                                                                                const synfig::Time& time __attribute__ ((unused)),
-                                                                                const synfig::Time& time_offset __attribute__ ((unused)),
-                                                                                int button __attribute__ ((unused)))
-{
-       std::set<synfig::Waypoint, std::less<UniqueID> > waypoint_set;
-       synfig::waypoint_collect(waypoint_set,time,node);
-
-       synfigapp::ValueDesc value_desc;
-
-       if (waypoint_set.size() == 1)
-       {
-               ValueNode::Handle value_node(waypoint_set.begin()->get_parent_value_node());
-               assert(value_node);
-
-               Gtk::TreeRow row;
-               if (param_tree_store_->find_first_value_node(value_node, row) && row)
-                       value_desc = static_cast<synfigapp::ValueDesc>(row[param_tree_store_->model.value_desc]);
-       }
-
-       if (!waypoint_set.empty())
-               signal_waypoint_clicked_layertree()(value_desc,waypoint_set,button);
-}
-#endif // TIMETRACK_IN_PARAMS_PANEL
-
-bool
-LayerTree::on_layer_tree_event(GdkEvent *event)
-{
-    switch(event->type)
-    {
-       case GDK_BUTTON_PRESS:
-               {
-                       Gtk::TreeModel::Path path;
-                       Gtk::TreeViewColumn *column;
-                       int cell_x, cell_y;
-                       if(!get_layer_tree_view().get_path_at_pos(
-                               int(event->button.x),int(event->button.y),      // x, y
-                               path, // TreeModel::Path&
-                               column, //TreeViewColumn*&
-                               cell_x,cell_y //int&cell_x,int&cell_y
-                               )
-                       ) break;
-                       const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
-
-#ifdef TIMETRACK_IN_PARAMS_PANEL
-                       if(column->get_first_cell_renderer()==cellrenderer_time_track)
-                               return signal_layer_user_click()(event->button.button,row,COLUMNID_TIME_TRACK);
-                       else
-#endif // TIMETRACK_IN_PARAMS_PANEL
-                       if(column->get_first_cell_renderer()==cellrenderer_value)
-                               return signal_layer_user_click()(event->button.button,row,COLUMNID_VALUE);
-                       else
-                               return signal_layer_user_click()(event->button.button,row,COLUMNID_NAME);
-
-               }
-               break;
-
-       case GDK_MOTION_NOTIFY:
-               {
-                       Gtk::TreeModel::Path path;
-                       Gtk::TreeViewColumn *column;
-                       int cell_x, cell_y;
-                       if(!get_layer_tree_view().get_path_at_pos(
-                               (int)event->button.x,(int)event->button.y,      // x, y
-                               path, // TreeModel::Path&
-                               column, //TreeViewColumn*&
-                               cell_x,cell_y //int&cell_x,int&cell_y
-                               )
-                       ) break;
-
-                       if(!get_layer_tree_view().get_model()->get_iter(path))
-                               break;
-
-                       Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
-
-#ifdef TIMETRACK_IN_PARAMS_PANEL
-                       if(cellrenderer_time_track==column->get_first_cell_renderer())
-                               // Movement on TimeLine
-                               return true;
-                       else
-#endif // TIMETRACK_IN_PARAMS_PANEL
-                       if(last_tooltip_path.get_depth()<=0 || path!=last_tooltip_path)
-                       {
-                               tooltips_.unset_tip(*this);
-                               Glib::ustring tooltips_string(row[layer_model.tooltip]);
-                               last_tooltip_path=path;
-                               if(!tooltips_string.empty())
-                               {
-                                       tooltips_.set_tip(*this,tooltips_string);
-                                       tooltips_.force_window();
-                               }
-                       }
-               }
-               break;
-       case GDK_BUTTON_RELEASE:
-               break;
-       default:
-               break;
-       }
-       return false;
-}
-
-bool
-LayerTree::on_param_tree_event(GdkEvent *event)
-{
-    switch(event->type)
-    {
-       case GDK_BUTTON_PRESS:
-               {
-                       Gtk::TreeModel::Path path;
-                       Gtk::TreeViewColumn *column;
-                       int cell_x, cell_y;
-                       if(!get_param_tree_view().get_path_at_pos(
-                               int(event->button.x),int(event->button.y),      // x, y
-                               path, // TreeModel::Path&
-                               column, //TreeViewColumn*&
-                               cell_x,cell_y //int&cell_x,int&cell_y
-                               )
-                       ) break;
-                       const Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
-
-#ifdef TIMETRACK_IN_PARAMS_PANEL
-                       if(column && column->get_first_cell_renderer()==cellrenderer_time_track)
-                       {
-                               Gdk::Rectangle rect;
-                               get_param_tree_view().get_cell_area(path,*column,rect);
-                               cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
-                               cellrenderer_time_track->property_canvas()=row[param_model.canvas];
-                               cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
-                               get_param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
-                               return true;
-                               //return signal_param_user_click()(event->button.button,row,COLUMNID_TIME_TRACK);
-                       }
-                       else
-#endif // TIMETRACK_IN_PARAMS_PANEL
-                       {
-                               if(event->button.button==3)
-                               {
-                                       LayerList layer_list(get_selected_layers());
-                                       if(layer_list.size()<=1)
-                                       {
-                                               synfigapp::ValueDesc value_desc(row[param_model.value_desc]);
-                                               Gtk::Menu* menu(manage(new Gtk::Menu()));
-                                               menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
-                                               App::get_instance(param_tree_store_->canvas_interface()->get_canvas())->make_param_menu(menu,param_tree_store_->canvas_interface()->get_canvas(),value_desc,0.5f);
-                                               menu->popup(event->button.button,gtk_get_current_event_time());
-                                               return true;
-                                       }
-                                       Gtk::Menu* menu(manage(new Gtk::Menu()));
-                                       menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
-                                       std::list<synfigapp::ValueDesc> value_desc_list;
-                                       ParamDesc param_desc(row[param_model.param_desc]);
-                                       for(;!layer_list.empty();layer_list.pop_back())
-                                               value_desc_list.push_back(synfigapp::ValueDesc(layer_list.back(),param_desc.get_name()));
-                                       App::get_instance(param_tree_store_->canvas_interface()->get_canvas())->make_param_menu(menu,param_tree_store_->canvas_interface()->get_canvas(),value_desc_list);
-                                       menu->popup(event->button.button,gtk_get_current_event_time());
-                                       return true;
-                               }
-                               else
-                               {
-                                       if(column->get_first_cell_renderer()==cellrenderer_value)
-                                               return signal_param_user_click()(event->button.button,row,COLUMNID_VALUE);
-                                       else
-                                               return signal_param_user_click()(event->button.button,row,COLUMNID_NAME);
-                               }
-                       }
-               }
-               break;
-
-       case GDK_MOTION_NOTIFY:
-               {
-                       Gtk::TreeModel::Path path;
-                       Gtk::TreeViewColumn *column;
-                       int cell_x, cell_y;
-                       if(!get_param_tree_view().get_path_at_pos(
-                               (int)event->motion.x,(int)event->motion.y,      // x, y
-                               path, // TreeModel::Path&
-                               column, //TreeViewColumn*&
-                               cell_x,cell_y //int&cell_x,int&cell_y
-                               )
-                       ) break;
-
-                       if(!get_param_tree_view().get_model()->get_iter(path))
-                               break;
-
-                       Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
-
-#ifdef TIMETRACK_IN_PARAMS_PANEL
-                       if((event->motion.state&GDK_BUTTON1_MASK ||event->motion.state&GDK_BUTTON3_MASK) && column && cellrenderer_time_track==column->get_first_cell_renderer())
-                       {
-                               Gdk::Rectangle rect;
-                               get_param_tree_view().get_cell_area(path,*column,rect);
-                               cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
-                               cellrenderer_time_track->property_canvas()=row[param_model.canvas];
-                               cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
-                               get_param_tree_view().queue_draw();
-                               //get_param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
-                               return true;
-                       }
-                       else
-#endif // TIMETRACK_IN_PARAMS_PANEL
-                       if(last_tooltip_path.get_depth()<=0 || path!=last_tooltip_path)
-                       {
-                               tooltips_.unset_tip(*this);
-                               Glib::ustring tooltips_string(row[layer_model.tooltip]);
-                               last_tooltip_path=path;
-                               if(!tooltips_string.empty())
-                               {
-                                       tooltips_.set_tip(*this,tooltips_string);
-                                       tooltips_.force_window();
-                               }
-                       }
-               }
-               break;
-       case GDK_BUTTON_RELEASE:
-               {
-                       Gtk::TreeModel::Path path;
-                       Gtk::TreeViewColumn *column;
-                       int cell_x, cell_y;
-                       if(!get_param_tree_view().get_path_at_pos(
-                               (int)event->button.x,(int)event->button.y,      // x, y
-                               path, // TreeModel::Path&
-                               column, //TreeViewColumn*&
-                               cell_x,cell_y //int&cell_x,int&cell_y
-                               )
-                       ) break;
-
-                       if(!get_param_tree_view().get_model()->get_iter(path))
-                               break;
-
-                       Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
-
-#ifdef TIMETRACK_IN_PARAMS_PANEL
-                       if(column && cellrenderer_time_track==column->get_first_cell_renderer())
-                       {
-                               Gdk::Rectangle rect;
-                               get_param_tree_view().get_cell_area(path,*column,rect);
-                               cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
-                               cellrenderer_time_track->property_canvas()=row[param_model.canvas];
-                               cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
-                               get_param_tree_view().queue_draw();
-                               get_param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
-                               return true;
-
-                       }
-#endif // TIMETRACK_IN_PARAMS_PANEL
-               }
-               break;
-       default:
-               break;
-       }
-       return false;
-}
-
-// void
-// LayerTree::on_raise_pressed()
-// {
-//     synfigapp::Action::ParamList param_list;
-//     param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
-//     param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
-//     param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
-//
-//     {
-//             synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
-//             synfigapp::SelectionManager::LayerList::iterator iter;
-//
-//             for(iter=layer_list.begin();iter!=layer_list.end();++iter)
-//                     param_list.add("layer",Layer::Handle(*iter));
-//     }
-//     synfigapp::Action::Handle action(synfigapp::Action::create("LayerRaise"));
-//     action->set_param_list(param_list);
-//     layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
-// }
-
-// void
-// LayerTree::on_lower_pressed()
-// {
-//     synfigapp::Action::ParamList param_list;
-//     param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
-//     param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
-//     param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
-//
-//     {
-//             synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
-//             synfigapp::SelectionManager::LayerList::iterator iter;
-//
-//             for(iter=layer_list.begin();iter!=layer_list.end();++iter)
-//                     param_list.add("layer",Layer::Handle(*iter));
-//     }
-//
-//     synfigapp::Action::Handle action(synfigapp::Action::create("LayerLower"));
-//     action->set_param_list(param_list);
-//     layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
-// }
-
-// void
-// LayerTree::on_duplicate_pressed()
-// {
-//     synfigapp::Action::ParamList param_list;
-//     param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
-//     param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
-//     param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
-//
-//     {
-//             synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
-//             synfigapp::SelectionManager::LayerList::iterator iter;
-//
-//             for(iter=layer_list.begin();iter!=layer_list.end();++iter)
-//                     param_list.add("layer",Layer::Handle(*iter));
-//     }
-//
-//     synfigapp::Action::Handle action(synfigapp::Action::create("LayerDuplicate"));
-//     action->set_param_list(param_list);
-//     layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
-// }
-
-// void
-// LayerTree::on_encapsulate_pressed()
-// {
-//     synfigapp::Action::ParamList param_list;
-//     param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
-//     param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
-//     param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
-//
-//     {
-//             synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
-//             synfigapp::SelectionManager::LayerList::iterator iter;
-//
-//             for(iter=layer_list.begin();iter!=layer_list.end();++iter)
-//                     param_list.add("layer",Layer::Handle(*iter));
-//     }
-//
-//     synfigapp::Action::Handle action(synfigapp::Action::create("LayerEncapsulate"));
-//     action->set_param_list(param_list);
-//     layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
-// }
-
-// void
-// LayerTree::on_delete_pressed()
-// {
-//     synfigapp::Action::ParamList param_list;
-//     param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
-//     param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
-//     param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
-//
-//     {
-//             synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
-//             synfigapp::SelectionManager::LayerList::iterator iter;
-//
-//             for(iter=layer_list.begin();iter!=layer_list.end();++iter)
-//                     param_list.add("layer",Layer::Handle(*iter));
-//     }
-//
-//     synfigapp::Action::Handle action(synfigapp::Action::create("LayerRemove"));
-//     action->set_param_list(param_list);
-//     layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
-// }
-
-/*
-void
-LayerTree::on_drag_data_get(const Glib::RefPtr<Gdk::DragContext>&context, Gtk::SelectionData& selection_data, guint info, guint time)
-{
-       synfig::info("Dragged data of type \"%s\"",selection_data.get_data_type());
-       synfig::info("Dragged data of target \"%s\"",gdk_atom_name(selection_data->target));
-       synfig::info("Dragged selection=\"%s\"",gdk_atom_name(selection_data->selection));
-
-       Gtk::TreeModel::Path path;
-       Gtk::TreeViewColumn *column;
-       int cell_x, cell_y;
-       if(get_selection()
-       Gtk::TreeRow row = *(get_selection()->get_selected());
-
-       if(synfig::String(gdk_atom_name(selection_data->target))=="LAYER" && (bool)row[model.is_layer])
-       {
-               Layer* layer(((Layer::Handle)row[model.layer]).get());
-               assert(layer);
-               selection_data.set(8, reinterpret_cast<const guchar*>(&layer), sizeof(layer));
-               return;
-       }
-}
-
-void
-LayerTree::on_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, Gtk::SelectionData& selection_data, guint info, guint time)
-{
-       synfig::info("Dropped data of type \"%s\"",selection_data.get_data_type());
-       synfig::info("Dropped data of target \"%s\"",gdk_atom_name(selection_data->target));
-       synfig::info("Dropped selection=\"%s\"",gdk_atom_name(selection_data->selection));
-       synfig::info("Dropped x=%d, y=%d",x,y);
-       bool success=false;
-       bool dropped_on_specific_row=false;
-
-       Gtk::TreeModel::Path path;
-       Gtk::TreeViewColumn *column;
-       int cell_x, cell_y;
-       if(!get_path_at_pos(
-               x,y,    // x, y
-               path, // TreeModel::Path&
-               column, //TreeViewColumn*&
-               cell_x,cell_y //int&cell_x,int&cell_y
-               )
-       )
-       {
-               dropped_on_specific_row=false;
-       }
-       else
-               dropped_on_specific_row=true;
-
-       Gtk::TreeRow row = *(get_model()->get_iter(path));
-
-       if ((selection_data.get_length() >= 0) && (selection_data.get_format() == 8))
-       {
-               if(synfig::String(selection_data.get_data_type())=="LAYER")do
-               {
-                       Layer::Handle src(*reinterpret_cast<Layer**>(selection_data.get_data()));
-                       assert(src);
-
-                       Canvas::Handle dest_canvas;
-                       Layer::Handle dest_layer;
-
-                       if(dropped_on_specific_row)
-                       {
-                               dest_canvas=(Canvas::Handle)(row[model.canvas]);
-                               dest_layer=(Layer::Handle)(row[model.layer]);
-                               assert(dest_canvas);
-                       }
-                       else
-                               dest_canvas=layer_tree_store_->canvas_interface()->get_canvas();
-
-                       // In this case, we are just moving.
-                       if(dest_canvas==src->get_canvas())
-                       {
-                               if(!dest_layer || dest_layer==src)
-                                       break;
-
-                               synfigapp::Action::Handle action(synfigapp::Action::create("LayerMove"));
-                               action->set_param("canvas",dest_canvas);
-                               action->set_param("canvas_interface",layer_tree_store_->canvas_interface());
-                               action->set_param("layer",src);
-                               action->set_param("new_index",dest_canvas->get_depth(dest_layer));
-                               if(layer_tree_store_->canvas_interface()->get_instance()->perform_action(action))
-                                       success=true;
-                               else
-                                       success=false;
-                               break;
-                       }
-               }while(0);
-       }
-
-       // Finish the drag
-       context->drag_finish(success, false, time);
-}
-*/
-
-/*bool
-LayerTree::on_drag_motion(const Glib::RefPtr<Gdk::DragContext>& context,int x, int    y, guint    time)
-{
-       return get_layer_tree_view().on_drag_motion(context,x,y,time);
-}
-
-void
-LayerTree::on_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, Gtk::SelectionData& selection_data, guint info, guint time)
-{
-       get_layer_tree_view().on_drag_data_received(context,x,y,selection_data,info,time);
-*/
-/*
-       if(context->gobj()->source_window==context->gobj()->dest_window)
-       {
-               Gtk::TreeView::on_drag_data_received(context,x,y,selection_data,info,time);
-               return;
-       }
-
-       Gtk::TreeModel::Path path;
-       Gtk::TreeViewColumn *column;
-       int cell_x, cell_y;
-       if(!get_path_at_pos(
-               x,y,    // x, y
-               path, // TreeModel::Path&
-               column, //TreeViewColumn*&
-               cell_x,cell_y //int&cell_x,int&cell_y
-               )
-       )
-       {
-               context->drag_finish(false, false, time);
-       }
-
-       if(layer_tree_store_->row_drop_possible(path,selection_data))
-       {
-               if(layer_tree_store_->drag_data_received(path,selection_data))
-                       context->drag_finish(true, false, time);
-       }
-       context->drag_finish(false, false, time);
-}
-*/