synfig-studio/trunk/src/gtkmm/layertree.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file layertree.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2007, 2008 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include "layertree.h"
  34 #include "layerparamtreestore.h"
  35 #include "cellrenderer_value.h"
  36 #include "cellrenderer_timetrack.h"
  37 #include <synfigapp/action.h>
  38 #include <synfigapp/instance.h>
  39 #include <gtkmm/scrolledwindow.h>
  40 #include <gtkmm/paned.h>
  41 #include "app.h"
  42 #include "instance.h"
  43 #include <gtkmm/treemodelsort.h>
  44
  45 #include "general.h"
  46
  47 #endif
  48
  49 /* === U S I N G =========================================================== */
  50
  51 using namespace std;
  52 using namespace etl;
  53 using namespace synfig;
  54 using namespace studio;
  55
  56 /* === M A C R O S ========================================================= */
  57
  58 #ifndef SMALL_BUTTON
  59 #define SMALL_BUTTON(button,stockid,tooltip)    \
  60         button = manage(new class Gtk::Button());       \
  61         icon=manage(new Gtk::Image(Gtk::StockID(stockid),iconsize));    \
  62         button->add(*icon);     \
  63         tooltips_.set_tip(*button,tooltip);     \
  64         icon->set_padding(0,0);\
  65         icon->show();   \
  66         button->set_relief(Gtk::RELIEF_NONE); \
  67         button->show()
  68 #endif
  69
  70 #ifndef NORMAL_BUTTON
  71 #define NORMAL_BUTTON(button,stockid,tooltip)   \
  72         button = manage(new class Gtk::Button());       \
  73         icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::ICON_SIZE_BUTTON));       \
  74         button->add(*icon);     \
  75         tooltips_.set_tip(*button,tooltip);     \
  76         icon->set_padding(0,0);\
  77         icon->show();   \
  78         /*button->set_relief(Gtk::RELIEF_NONE);*/ \
  79         button->show()
  80 #endif
  81
  82 #define NEW_SMALL_BUTTON(x,y,z) Gtk::Button *SMALL_BUTTON(x,y,z)
  83
  84 #define NOT_IMPLEMENTED_SLOT sigc::mem_fun(*reinterpret_cast<studio::CanvasViewUIInterface*>(get_ui_interface().get()),&studio::CanvasViewUIInterface::not_implemented)
  85
  86 /* === G L O B A L S ======================================================= */
  87
  88 /* === P R O C E D U R E S ================================================= */
  89
  90 /* === M E T H O D S ======================================================= */
  91
  92 LayerTree::LayerTree():
  93         layer_amount_adjustment_(1,0,1,0.01,0.01,0)
  94 {
  95         param_tree_view_=new Gtk::TreeView;
  96         layer_tree_view_=new Gtk::TreeView;
  97
  98         //Gtk::HPaned* hpaned(manage(new Gtk::HPaned()));
  99         //hpaned->show();
 100         //attach(*hpaned, 0, 3, 0, 1, Gtk::EXPAND|Gtk::FILL,Gtk::EXPAND|Gtk::FILL, 0, 0);
 101         //attach(*create_layer_tree(), 0, 3, 0, 1, Gtk::EXPAND|Gtk::FILL,Gtk::EXPAND|Gtk::FILL, 0, 0);
 102
 103         create_layer_tree();
 104         create_param_tree();
 105
 106         //hpaned->pack1(*create_layer_tree(),false,false);
 107         //hpaned->pack2(*create_param_tree(),true,false);
 108         //hpaned->set_position(200);
 109         hbox=manage(new Gtk::HBox());
 110
 111         attach(*hbox, 0, 1, 1, 2, Gtk::FILL|Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 112         attach(blend_method_widget, 2, 3, 1, 2,Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 113
 114         layer_amount_hscale=manage(new Gtk::HScale(layer_amount_adjustment_));
 115         layer_amount_hscale->set_digits(2);
 116         layer_amount_hscale->set_value_pos(Gtk::POS_LEFT);
 117         layer_amount_hscale->set_sensitive(false);
 118         layer_amount_hscale->set_update_policy( Gtk::UPDATE_DISCONTINUOUS);
 119         attach(*layer_amount_hscale, 1, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 1, 1);
 120         layer_amount_adjustment_.signal_value_changed().connect(sigc::mem_fun(*this, &studio::LayerTree::on_amount_value_changed));
 121
 122         Gtk::Image *icon;
 123         //Gtk::IconSize iconsize(Gtk::IconSize::from_name("synfig-small_icon"));
 124         Gtk::IconSize iconsize(Gtk::ICON_SIZE_SMALL_TOOLBAR);
 125
 126         SMALL_BUTTON(button_raise,"gtk-go-up","Raise");
 127         SMALL_BUTTON(button_lower,"gtk-go-down","Lower");
 128         SMALL_BUTTON(button_duplicate,"synfig-duplicate","Duplicate");
 129         SMALL_BUTTON(button_delete,"gtk-delete","Delete");
 130
 131         hbox->pack_start(*button_raise,Gtk::PACK_SHRINK);
 132         hbox->pack_start(*button_lower,Gtk::PACK_SHRINK);
 133         hbox->pack_start(*button_duplicate,Gtk::PACK_SHRINK);
 134         hbox->pack_start(*button_delete,Gtk::PACK_SHRINK);
 135
 136         button_raise->signal_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_raise_pressed));
 137         button_lower->signal_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_lower_pressed));
 138         button_duplicate->signal_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_duplicate_pressed));
 139         button_delete->signal_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_delete_pressed));
 140
 141         button_raise->set_sensitive(false);
 142         button_lower->set_sensitive(false);
 143         button_duplicate->set_sensitive(false);
 144         button_delete->set_sensitive(false);
 145
 146         get_selection()->signal_changed().connect(sigc::mem_fun(*this, &studio::LayerTree::on_selection_changed));
 147
 148         get_layer_tree_view().set_reorderable(true);
 149         get_selection()->set_mode(Gtk::SELECTION_MULTIPLE);
 150         //get_param_tree_view().get_selection()->set_mode(Gtk::SELECTION_MULTIPLE);
 151         get_layer_tree_view().show();
 152         get_param_tree_view().show();
 153
 154         hbox->show();
 155         layer_amount_hscale->show();
 156         blend_method_widget.show();
 157
 158         tooltips_.enable();
 159         disable_amount_changed_signal=false;
 160
 161         blend_method_widget.set_param_desc(ParamDesc(Color::BlendMethod(),"blend_method"));
 162
 163         blend_method_widget.set_value((int)Color::BLEND_COMPOSITE);
 164         blend_method_widget.set_size_request(150,-1);
 165         blend_method_widget.set_sensitive(false);
 166         blend_method_widget.signal_activate().connect(sigc::mem_fun(*this, &studio::LayerTree::on_blend_method_changed));
 167 }
 168
 169 LayerTree::~LayerTree()
 170 {
 171         if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
 172                 synfig::info("LayerTree::~LayerTree(): Deleted");
 173 }
 174
 175 Gtk::Widget*
 176 LayerTree::create_layer_tree()
 177 {
 178         const LayerTreeStore::Model model;
 179
 180         {       // --- O N / O F F ----------------------------------------------------
 181                 //int index;
 182                 //index=get_layer_tree_view().append_column_editable(_(" "),layer_model.active);
 183                 //Gtk::TreeView::Column* column = get_layer_tree_view().get_column(index-1);
 184
 185                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_(" ")) );
 186
 187                 // Set up the icon cell-renderer
 188                 Gtk::CellRendererToggle* cellrenderer = Gtk::manage( new Gtk::CellRendererToggle() );
 189                 cellrenderer->signal_toggled().connect(sigc::mem_fun(*this, &studio::LayerTree::on_layer_toggle));
 190
 191                 column->pack_start(*cellrenderer,false);
 192                 column->add_attribute(cellrenderer->property_active(), layer_model.active);
 193                 get_layer_tree_view().append_column(*column);
 194         }
 195
 196         {       // --- I C O N --------------------------------------------------------
 197                 int index;
 198                 index=get_layer_tree_view().append_column(_("Z"),layer_model.icon);
 199                 Gtk::TreeView::Column* column = get_layer_tree_view().get_column(index-1);
 200                 get_layer_tree_view().set_expander_column(*column);
 201
 202                 column->set_sort_column(layer_model.z_depth);
 203                 //column->set_reorderable();
 204                 //column->set_resizable();
 205                 //column->set_clickable();
 206
 207                 //Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 208                 //column->pack_start(*icon_cellrenderer,false);
 209                 //column->add_attribute(icon_cellrenderer->property_pixbuf(), layer_model.icon);
 210         }
 211         //get_layer_tree_view().append_column(_("Z"),layer_model.z_depth);
 212         {       // --- N A M E --------------------------------------------------------
 213                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Name")) );
 214
 215                 // Set up the icon cell-renderer
 216                 Gtk::CellRendererText* cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
 217                 column->pack_start(*cellrenderer,false);
 218                 column->add_attribute(cellrenderer->property_text(), layer_model.label);
 219                 cellrenderer->signal_edited().connect(sigc::mem_fun(*this, &studio::LayerTree::on_layer_renamed));
 220                 cellrenderer->property_editable()=true;
 221
 222                 column->set_reorderable();
 223                 // column->set_resizable();
 224                 column->set_clickable(true);
 225                 column->set_sort_column(layer_model.label);
 226
 227                 get_layer_tree_view().append_column(*column);
 228
 229                 //              int index;
 230 //              index=get_layer_tree_view().append_column_editable(_("Layer"),layer_model.label);
 231                 //Gtk::TreeView::Column* column = get_layer_tree_view().get_column(index-1);
 232
 233                 //get_layer_tree_view().set_expander_column(*column);
 234
 235                 //Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 236                 //column->pack_start(*icon_cellrenderer,false);
 237                 //column->add_attribute(icon_cellrenderer->property_pixbuf(), layer_model.icon);
 238         }
 239         {       // --- Z D E P T H ----------------------------------------------------
 240                 int index;
 241                 index=get_layer_tree_view().append_column(_("Z"),layer_model.z_depth);
 242                 column_z_depth=get_layer_tree_view().get_column(index-1);
 243
 244                 column_z_depth->set_reorderable();
 245                 column_z_depth->set_resizable();
 246                 column_z_depth->set_clickable();
 247
 248                 column_z_depth->set_sort_column(layer_model.z_depth);
 249         }
 250
 251         get_layer_tree_view().set_enable_search(true);
 252         get_layer_tree_view().set_search_column(layer_model.label);
 253         get_layer_tree_view().set_search_equal_func(sigc::ptr_fun(&studio::LayerTreeStore::search_func));
 254
 255         std::list<Gtk::TargetEntry> listTargets;
 256         listTargets.push_back( Gtk::TargetEntry("LAYER") );
 257         get_layer_tree_view().drag_dest_set(listTargets);
 258
 259         // This makes things easier to read.
 260         get_layer_tree_view().set_rules_hint();
 261
 262         // Make us more sensitive to several events
 263         //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);
 264
 265         get_layer_tree_view().signal_event().connect(sigc::mem_fun(*this, &studio::LayerTree::on_layer_tree_event));
 266         get_layer_tree_view().show();
 267
 268         Gtk::ScrolledWindow *scroll = manage(new class Gtk::ScrolledWindow());
 269         scroll->set_flags(Gtk::CAN_FOCUS);
 270         scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 271         //scroll->add(get_layer_tree_view());
 272         scroll->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 273         scroll->show();
 274
 275         return scroll;
 276 }
 277
 278 Gtk::Widget*
 279 LayerTree::create_param_tree()
 280 {
 281         Pango::AttrList attr_list;
 282         {
 283                 Pango::AttrInt pango_size(Pango::Attribute::create_attr_size(Pango::SCALE*8));
 284                 pango_size.set_start_index(0);
 285                 pango_size.set_end_index(64);
 286                 attr_list.change(pango_size);
 287         }
 288
 289         Gtk::IconSize icon_size(Gtk::ICON_SIZE_SMALL_TOOLBAR);
 290
 291         {       // --- N A M E --------------------------------------------------------
 292                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Name")) );
 293
 294                 // Set up the icon cell-renderer
 295                 Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 296                 column->pack_start(*icon_cellrenderer,false);
 297                 column->add_attribute(icon_cellrenderer->property_pixbuf(), param_model.icon);
 298
 299                 // Pack the label into the column
 300                 //column->pack_start(layer_model.label,true);
 301                 Gtk::CellRendererText* text_cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
 302                 column->pack_start(*text_cellrenderer,false);
 303                 column->add_attribute(text_cellrenderer->property_text(), param_model.label);
 304                 text_cellrenderer->property_attributes()=attr_list;
 305
 306                 text_cellrenderer->property_foreground()=Glib::ustring("#7f7f7f");
 307                 column->add_attribute(text_cellrenderer->property_foreground_set(),param_model.is_inconsistent);
 308
 309                 // Pack the label into the column
 310                 //column->pack_start(param_model.label,true);
 311
 312                 // Set up the value-node icon cell-renderer to be on the far right
 313                 Gtk::CellRendererPixbuf* valuenode_icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 314                 column->pack_end(*valuenode_icon_cellrenderer,false);
 315                 valuenode_icon_cellrenderer->property_pixbuf()=Gtk::Button().render_icon(Gtk::StockID("synfig-value_node"),icon_size);
 316                 column->add_attribute(valuenode_icon_cellrenderer->property_visible(), param_model.is_shared);
 317
 318                 // Finish setting up the column
 319                 column->set_reorderable();
 320                 column->set_resizable();
 321                 column->set_clickable();
 322
 323                 get_param_tree_view().append_column(*column);
 324         }
 325         {       // --- V A L U E  -----------------------------------------------------
 326                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Value")) );
 327
 328                 // Set up the value cell-renderer
 329                 cellrenderer_value=LayerParamTreeStore::add_cell_renderer_value(column);
 330                 cellrenderer_value->signal_edited().connect(sigc::mem_fun(*this, &studio::LayerTree::on_edited_value));
 331                 cellrenderer_value->property_value()=synfig::ValueBase();
 332                 column->add_attribute(cellrenderer_value->property_param_desc(), param_model.param_desc);
 333                 column->add_attribute(cellrenderer_value->property_inconsistent(),param_model.is_inconsistent);
 334                 //cellrenderer_value->property_canvas()=canvas_interface->get_canvas(); // Is this line necessary?
 335                 cellrenderer_value->property_attributes()=attr_list;
 336
 337                 // Finish setting up the column
 338                 get_param_tree_view().append_column(*column);
 339                 column->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 340                 column->set_clickable();
 341                 column->set_min_width(120);
 342                 column->set_reorderable();
 343                 column->set_resizable();
 344         }
 345         {       // --- T Y P E --------------------------------------------------------
 346                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Type")) );
 347                 Gtk::CellRendererText* text_cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
 348                 column->pack_start(*text_cellrenderer,false);
 349                 column->add_attribute(text_cellrenderer->property_text(), param_model.type);
 350                 text_cellrenderer->property_attributes()=attr_list;
 351                 get_param_tree_view().append_column(*column);
 352                 column->set_reorderable();
 353                 column->set_resizable();
 354                 column->set_clickable();
 355                 column->set_sort_column(param_model.type);
 356         }
 357         /*{     // --- T I M E   T R A C K --------------------------------------------
 358                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Time Track")) );
 359                 column_time_track=column;
 360
 361                 // Set up the value-node cell-renderer
 362                 cellrenderer_time_track=LayerParamTreeStore::add_cell_renderer_value_node(column);
 363                 cellrenderer_time_track->property_mode()=Gtk::CELL_RENDERER_MODE_ACTIVATABLE;
 364                 cellrenderer_time_track->signal_waypoint_clicked_cellrenderer().connect(sigc::mem_fun(*this, &studio::LayerTree::on_waypoint_clicked_layertree) );
 365                 cellrenderer_time_track->signal_waypoint_changed().connect(sigc::mem_fun(*this, &studio::LayerTree::on_waypoint_changed) );
 366                 column->add_attribute(cellrenderer_time_track->property_value_desc(), param_model.value_desc);
 367                 column->add_attribute(cellrenderer_time_track->property_canvas(), param_model.canvas);
 368                 //column->add_attribute(cellrenderer_time_track->property_visible(), model.is_value_node);
 369
 370                 //column->pack_start(*cellrenderer_time_track);
 371
 372                 // Finish setting up the column
 373                 column->set_reorderable();
 374                 column->set_resizable();
 375                 column->set_min_width(200);
 376                 //get_param_tree_view().append_column(*column);
 377         }*/
 378
 379         // This makes things easier to read.
 380         get_param_tree_view().set_rules_hint();
 381
 382         // Make us more sensitive to several events
 383         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);
 384
 385         get_param_tree_view().signal_event().connect(sigc::mem_fun(*this, &studio::LayerTree::on_param_tree_event));
 386         get_param_tree_view().show();
 387
 388         Gtk::ScrolledWindow *scroll = manage(new class Gtk::ScrolledWindow());
 389         scroll->set_flags(Gtk::CAN_FOCUS);
 390         scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 391         //scroll->add(get_param_tree_view());
 392         scroll->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 393         scroll->show();
 394
 395         //column_time_track->set_visible(false);
 396
 397         return scroll;
 398 }
 399
 400 void
 401 LayerTree::on_waypoint_changed( synfig::Waypoint waypoint , synfig::ValueNode::Handle value_node)
 402 {
 403         synfigapp::Action::ParamList param_list;
 404         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
 405         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
 406         param_list.add("value_node",value_node);
 407         param_list.add("waypoint",waypoint);
 408 //      param_list.add("time",canvas_interface()->get_time());
 409
 410         etl::handle<studio::Instance>::cast_static(layer_tree_store_->canvas_interface()->get_instance())->process_action("waypoint_set_smart", param_list);
 411 }
 412
 413 void
 414 LayerTree::select_layer(synfig::Layer::Handle layer)
 415 {
 416         Gtk::TreeModel::Children::iterator iter;
 417         if(layer_tree_store_->find_layer_row(layer,iter))
 418         {
 419                 if(sorted_layer_tree_store_)
 420                         iter=sorted_layer_tree_store_->convert_child_iter_to_iter(iter);
 421
 422                 Gtk::TreePath path(iter);
 423                 for(int i=path.get_depth();i;i--)
 424                 {
 425                         int j;
 426                         path=Gtk::TreePath(iter);
 427                         for(j=i;j;j--)
 428                                 path.up();
 429                         get_layer_tree_view().expand_row(path,false);
 430                 }
 431                 get_layer_tree_view().scroll_to_row(Gtk::TreePath(iter));
 432                 get_layer_tree_view().get_selection()->select(iter);
 433         }
 434 }
 435
 436 void
 437 LayerTree::select_all_children(Gtk::TreeModel::Children::iterator iter)
 438 {
 439         get_layer_tree_view().get_selection()->select(iter);
 440         if((bool)(*iter)[layer_model.children_lock])
 441                 return;
 442         get_layer_tree_view().expand_row(layer_tree_store_->get_path(iter),false);
 443         Gtk::TreeModel::Children children(iter->children());
 444         for(iter=children.begin();iter!=children.end();++iter)
 445                 select_all_children(iter);
 446 }
 447
 448 void
 449 LayerTree::select_all_children_layers(synfig::Layer::Handle layer)
 450 {
 451         Gtk::TreeModel::Children::iterator iter;
 452         if(layer_tree_store_->find_layer_row(layer,iter))
 453                 select_all_children(iter);
 454 }
 455
 456 void
 457 LayerTree::select_layers(const LayerList &layer_list)
 458 {
 459         LayerList::const_iterator iter;
 460         for(iter = layer_list.begin(); iter != layer_list.end(); ++iter)
 461                 select_layer(*iter);
 462 }
 463
 464 static inline void __layer_grabber(const Gtk::TreeModel::iterator& iter, LayerTree::LayerList* ret)
 465 {
 466         const LayerTreeStore::Model layer_tree_model;
 467         ret->push_back((Layer::Handle)(*iter)[layer_tree_model.layer]);
 468 }
 469
 470 LayerTree::LayerList
 471 LayerTree::get_selected_layers()const
 472 {
 473         Glib::RefPtr<Gtk::TreeSelection> selection=const_cast<Gtk::TreeView&>(get_layer_tree_view()).get_selection();
 474
 475         if(!selection)
 476                 return LayerList();
 477
 478         LayerList ret;
 479
 480         selection->selected_foreach_iter(
 481                 sigc::bind(
 482                         sigc::ptr_fun(
 483                                 &__layer_grabber
 484                         ),
 485                         &ret
 486                 )
 487         );
 488
 489         return ret;
 490 }
 491
 492 synfig::Layer::Handle
 493 LayerTree::get_selected_layer()const
 494 {
 495         LayerList layers(get_selected_layers());
 496
 497         if(layers.empty())
 498                 return 0;
 499
 500         return *layers.begin();
 501 }
 502
 503 void
 504 LayerTree::clear_selected_layers()
 505 {
 506         get_layer_tree_view().get_selection()->unselect_all();
 507 }
 508
 509 void
 510 LayerTree::set_show_timetrack(bool x)
 511 {
 512         //column_time_track->set_visible(x);
 513 //      column_time_track->set_visible(false);
 514         column_z_depth->set_visible(x);
 515 }
 516
 517 void
 518 LayerTree::set_model(Glib::RefPtr<LayerTreeStore> layer_tree_store)
 519 {
 520         layer_tree_store_=layer_tree_store;
 521
 522         if(false)
 523         {
 524                 sorted_layer_tree_store_=Gtk::TreeModelSort::create(layer_tree_store);
 525
 526                 sorted_layer_tree_store_->set_default_sort_func(sigc::ptr_fun(&studio::LayerTreeStore::z_sorter));
 527
 528                 //sorted_store->set_sort_func(model.time.index(),sigc::mem_fun(&studio::KeyframeTreeStore::time_sorter));
 529                 //sorted_store->set_sort_column(model.time.index(), Gtk::SORT_ASCENDING);
 530
 531                 get_layer_tree_view().set_model(sorted_layer_tree_store_);
 532         }
 533         else
 534                 get_layer_tree_view().set_model(layer_tree_store_);
 535
 536         layer_tree_store_->canvas_interface()->signal_dirty_preview().connect(sigc::mem_fun(*this,&studio::LayerTree::on_dirty_preview));
 537
 538         //layer_tree_store_->canvas_interface()->signal_dirty_preview().connect(sigc::mem_fun(*this,&studio::LayerTree::on_dirty_preview));
 539
 540         layer_tree_store_->canvas_interface()->signal_time_changed().connect(
 541                 sigc::mem_fun(
 542                         &get_param_tree_view(),
 543                         &Gtk::Widget::queue_draw
 544                 )
 545         );
 546         if(!param_tree_store_)
 547         {
 548                 param_tree_store_=LayerParamTreeStore::create(layer_tree_store_->canvas_interface(), this);
 549                 get_param_tree_view().set_model(param_tree_store_);
 550         }
 551
 552 /*      if(cellrenderer_time_track && layer_tree_store_ && layer_tree_store_->canvas_interface())
 553         {
 554                 cellrenderer_time_track->set_canvas_interface(layer_tree_store_->canvas_interface());
 555         }
 556 */
 557 }
 558
 559 void
 560 LayerTree::set_time_adjustment(Gtk::Adjustment &adjustment)
 561 {
 562         //cellrenderer_time_track->set_adjustment(adjustment);
 563         adjustment.signal_value_changed().connect(sigc::mem_fun(get_param_tree_view(),&Gtk::TreeView::queue_draw));
 564         adjustment.signal_changed().connect(sigc::mem_fun(get_param_tree_view(),&Gtk::TreeView::queue_draw));
 565 }
 566
 567 void
 568 LayerTree::on_dirty_preview()
 569 {
 570 /*
 571         if(quick_layer && !disable_amount_changed_signal)
 572         {
 573                 layer_amount_hscale->set_sensitive(true);
 574                 disable_amount_changed_signal=true;
 575                 layer_amount_adjustment_.set_value(quick_layer->get_param("amount").get(Real()));
 576                 disable_amount_changed_signal=false;
 577                 if(quick_layer->get_param("blend_method").is_valid())
 578                 {
 579                         blend_method_widget.set_sensitive(true);
 580                         disable_amount_changed_signal=true;
 581                         blend_method_widget.set_value(quick_layer->get_param("blend_method"));
 582                         disable_amount_changed_signal=false;
 583                 }
 584         }
 585 */
 586 }
 587
 588 void
 589 LayerTree::on_selection_changed()
 590 {
 591         synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
 592
 593         Gtk::TreeIter iter;
 594         if(last_top_selected_layer && !layer_tree_store_->find_layer_row(last_top_selected_layer,iter))
 595         {
 596                 if(layer_list.empty())
 597                 {
 598                         last_top_selected_layer=0;
 599                         layer_tree_view_->get_selection()->select(last_top_selected_path);
 600                         return;
 601                 }
 602         }
 603
 604         {
 605                 if(!layer_list.empty())
 606                 {
 607                         last_top_selected_layer=layer_list.front();
 608                         last_top_selected_path=*layer_tree_view_->get_selection()->get_selected_rows().begin();
 609                 }
 610                 else
 611                 {
 612                         last_top_selected_layer=0;
 613                 }
 614         }
 615
 616         if(layer_list.empty())
 617         {
 618                 button_raise->set_sensitive(false);
 619                 button_lower->set_sensitive(false);
 620                 button_duplicate->set_sensitive(false);
 621                 button_delete->set_sensitive(false);
 622                 layer_amount_hscale->set_sensitive(false);
 623                 blend_method_widget.set_sensitive(false);
 624                 return;
 625         }
 626
 627         button_raise->set_sensitive(true);
 628         button_lower->set_sensitive(true);
 629         button_duplicate->set_sensitive(true);
 630         button_delete->set_sensitive(true);
 631
 632         if(layer_list.size()==1 && (*layer_list.begin())->get_param("amount").is_valid()&& (*layer_list.begin())->get_param("amount").same_type_as(Real()))
 633         {
 634                 quick_layer=*layer_list.begin();
 635         }
 636         else
 637                 quick_layer=0;
 638
 639         if(quick_layer)
 640         {
 641                 layer_amount_hscale->set_sensitive(true);
 642                 disable_amount_changed_signal=true;
 643                 layer_amount_adjustment_.set_value(quick_layer->get_param("amount").get(Real()));
 644                 disable_amount_changed_signal=false;
 645                 if(quick_layer->get_param("blend_method").is_valid())
 646                 {
 647                         blend_method_widget.set_sensitive(true);
 648                         disable_amount_changed_signal=true;
 649                         blend_method_widget.set_value(quick_layer->get_param("blend_method"));
 650                         disable_amount_changed_signal=false;
 651                 }
 652                 else
 653                         blend_method_widget.set_sensitive(false);
 654         }
 655         else
 656         {
 657                 layer_amount_hscale->set_sensitive(false);
 658                 blend_method_widget.set_sensitive(false);
 659         }
 660 }
 661
 662 void
 663 LayerTree::on_blend_method_changed()
 664 {
 665         if(disable_amount_changed_signal)
 666                 return;
 667         if(!quick_layer)
 668                 return;
 669
 670         if(quick_layer->get_param("blend_method").is_valid())
 671         {
 672                 disable_amount_changed_signal=true;
 673                 signal_edited_value()(synfigapp::ValueDesc(quick_layer,"blend_method"),blend_method_widget.get_value());
 674                 disable_amount_changed_signal=false;
 675         }
 676 }
 677
 678 void
 679 LayerTree::on_amount_value_changed()
 680 {
 681         if(disable_amount_changed_signal)
 682                 return;
 683         if(!quick_layer)
 684                 return;
 685
 686         disable_amount_changed_signal=true;
 687         signal_edited_value()(synfigapp::ValueDesc(quick_layer,"amount"),synfig::ValueBase(layer_amount_adjustment_.get_value()));
 688         disable_amount_changed_signal=false;
 689 }
 690
 691 void
 692 LayerTree::on_edited_value(const Glib::ustring&path_string,synfig::ValueBase value)
 693 {
 694         Gtk::TreePath path(path_string);
 695
 696         const Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
 697         if(!row)
 698                 return;
 699         row[param_model.value]=value;
 700         //signal_edited_value()(row[param_model.value_desc],value);
 701 }
 702
 703 void
 704 LayerTree::on_layer_renamed(const Glib::ustring&path_string,const Glib::ustring& value)
 705 {
 706         Gtk::TreePath path(path_string);
 707
 708         const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 709         if(!row)
 710                 return;
 711         row[layer_model.label]=value;
 712         get_layer_tree_view().columns_autosize();
 713 }
 714
 715 void
 716 LayerTree::on_layer_toggle(const Glib::ustring& path_string)
 717 {
 718         Gtk::TreePath path(path_string);
 719
 720         const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 721         bool active=static_cast<bool>(row[layer_model.active]);
 722         row[layer_model.active]=!active;
 723 }
 724
 725 void
 726 LayerTree::on_waypoint_clicked_layertree(const etl::handle<synfig::Node>& node __attribute__ ((unused)),
 727                                                                                  const synfig::Time& time __attribute__ ((unused)),
 728                                                                                  const synfig::Time& time_offset __attribute__ ((unused)),
 729                                                                                  int button __attribute__ ((unused)),
 730                                                                                  synfig::Waypoint::Side side __attribute__ ((unused)))
 731 {
 732         //! \todo writeme
 733
 734         // synfigapp::ValueDesc value_desc;
 735         // std::set<synfig::Waypoint, std::less<UniqueID> > waypoint_set;
 736         // signal_waypoint_clicked_layertree()(value_desc,waypoint_set,button,side);
 737 }
 738
 739 bool
 740 LayerTree::on_layer_tree_event(GdkEvent *event)
 741 {
 742     switch(event->type)
 743     {
 744         case GDK_BUTTON_PRESS:
 745                 {
 746                         Gtk::TreeModel::Path path;
 747                         Gtk::TreeViewColumn *column;
 748                         int cell_x, cell_y;
 749                         if(!get_layer_tree_view().get_path_at_pos(
 750                                 int(event->button.x),int(event->button.y),      // x, y
 751                                 path, // TreeModel::Path&
 752                                 column, //TreeViewColumn*&
 753                                 cell_x,cell_y //int&cell_x,int&cell_y
 754                                 )
 755                         ) break;
 756                         const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 757
 758                         //if(column->get_first_cell_renderer()==cellrenderer_time_track)
 759                         //      return signal_layer_user_click()(event->button.button,row,COLUMNID_TIME_TRACK);
 760                         //else
 761                                 if(column->get_first_cell_renderer()==cellrenderer_value)
 762                                 return signal_layer_user_click()(event->button.button,row,COLUMNID_VALUE);
 763                         else
 764                                 return signal_layer_user_click()(event->button.button,row,COLUMNID_NAME);
 765
 766                 }
 767                 break;
 768
 769         case GDK_MOTION_NOTIFY:
 770                 {
 771                         Gtk::TreeModel::Path path;
 772                         Gtk::TreeViewColumn *column;
 773                         int cell_x, cell_y;
 774                         if(!get_layer_tree_view().get_path_at_pos(
 775                                 (int)event->button.x,(int)event->button.y,      // x, y
 776                                 path, // TreeModel::Path&
 777                                 column, //TreeViewColumn*&
 778                                 cell_x,cell_y //int&cell_x,int&cell_y
 779                                 )
 780                         ) break;
 781
 782                         if(!get_layer_tree_view().get_model()->get_iter(path))
 783                                 break;
 784
 785                         Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 786
 787                         /*
 788                         if(cellrenderer_time_track==column->get_first_cell_renderer())
 789                         {
 790                                 // Movement on TimeLine
 791                                 return true;
 792                         }
 793                         else
 794                                 */
 795                         if(last_tooltip_path.get_depth()<=0 || path!=last_tooltip_path)
 796                         {
 797                                 tooltips_.unset_tip(*this);
 798                                 Glib::ustring tooltips_string(row[layer_model.tooltip]);
 799                                 last_tooltip_path=path;
 800                                 if(!tooltips_string.empty())
 801                                 {
 802                                         tooltips_.set_tip(*this,tooltips_string);
 803                                         tooltips_.force_window();
 804                                 }
 805                         }
 806                 }
 807                 break;
 808         case GDK_BUTTON_RELEASE:
 809                 break;
 810         default:
 811                 break;
 812         }
 813         return false;
 814 }
 815
 816 bool
 817 LayerTree::on_param_tree_event(GdkEvent *event)
 818 {
 819     switch(event->type)
 820     {
 821         case GDK_BUTTON_PRESS:
 822                 {
 823                         Gtk::TreeModel::Path path;
 824                         Gtk::TreeViewColumn *column;
 825                         int cell_x, cell_y;
 826                         if(!get_param_tree_view().get_path_at_pos(
 827                                 int(event->button.x),int(event->button.y),      // x, y
 828                                 path, // TreeModel::Path&
 829                                 column, //TreeViewColumn*&
 830                                 cell_x,cell_y //int&cell_x,int&cell_y
 831                                 )
 832                         ) break;
 833                         const Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
 834
 835 /*                      if(column && column->get_first_cell_renderer()==cellrenderer_time_track)
 836                         {
 837                                 Gdk::Rectangle rect;
 838                                 get_param_tree_view().get_cell_area(path,*column,rect);
 839                                 cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
 840                                 cellrenderer_time_track->property_canvas()=row[param_model.canvas];
 841                                 cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
 842                                 get_param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
 843                                 return true;
 844                                 //return signal_param_user_click()(event->button.button,row,COLUMNID_TIME_TRACK);
 845                         }
 846                         else
 847 */                      {
 848                                 if(event->button.button==3)
 849                                 {
 850                                         LayerList layer_list(get_selected_layers());
 851                                         if(layer_list.size()<=1)
 852                                         {
 853                                                 synfigapp::ValueDesc value_desc(row[param_model.value_desc]);
 854                                                 Gtk::Menu* menu(manage(new Gtk::Menu()));
 855                                                 menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
 856                                                 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);
 857                                                 menu->popup(event->button.button,gtk_get_current_event_time());
 858                                                 return true;
 859                                         }
 860                                         Gtk::Menu* menu(manage(new Gtk::Menu()));
 861                                         menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
 862                                         std::list<synfigapp::ValueDesc> value_desc_list;
 863                                         ParamDesc param_desc(row[param_model.param_desc]);
 864                                         for(;!layer_list.empty();layer_list.pop_back())
 865                                                 value_desc_list.push_back(synfigapp::ValueDesc(layer_list.back(),param_desc.get_name()));
 866                                         App::get_instance(param_tree_store_->canvas_interface()->get_canvas())->make_param_menu(menu,param_tree_store_->canvas_interface()->get_canvas(),value_desc_list);
 867                                         menu->popup(event->button.button,gtk_get_current_event_time());
 868                                         return true;
 869                                 }
 870                                 else
 871                                 {
 872                                         if(column->get_first_cell_renderer()==cellrenderer_value)
 873                                                 return signal_param_user_click()(event->button.button,row,COLUMNID_VALUE);
 874                                         else
 875                                                 return signal_param_user_click()(event->button.button,row,COLUMNID_NAME);
 876                                 }
 877                         }
 878                 }
 879                 break;
 880
 881         case GDK_MOTION_NOTIFY:
 882                 {
 883                         Gtk::TreeModel::Path path;
 884                         Gtk::TreeViewColumn *column;
 885                         int cell_x, cell_y;
 886                         if(!get_param_tree_view().get_path_at_pos(
 887                                 (int)event->motion.x,(int)event->motion.y,      // x, y
 888                                 path, // TreeModel::Path&
 889                                 column, //TreeViewColumn*&
 890                                 cell_x,cell_y //int&cell_x,int&cell_y
 891                                 )
 892                         ) break;
 893
 894                         if(!get_param_tree_view().get_model()->get_iter(path))
 895                                 break;
 896
 897                         Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
 898
 899 /*                      if((event->motion.state&GDK_BUTTON1_MASK ||event->motion.state&GDK_BUTTON3_MASK) && column && cellrenderer_time_track==column->get_first_cell_renderer())
 900                         {
 901                                 Gdk::Rectangle rect;
 902                                 get_param_tree_view().get_cell_area(path,*column,rect);
 903                                 cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
 904                                 cellrenderer_time_track->property_canvas()=row[param_model.canvas];
 905                                 cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
 906                                 get_param_tree_view().queue_draw();
 907                                 //get_param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
 908                                 return true;
 909                         }
 910                         else
 911 */                      if(last_tooltip_path.get_depth()<=0 || path!=last_tooltip_path)
 912                         {
 913                                 tooltips_.unset_tip(*this);
 914                                 Glib::ustring tooltips_string(row[layer_model.tooltip]);
 915                                 last_tooltip_path=path;
 916                                 if(!tooltips_string.empty())
 917                                 {
 918                                         tooltips_.set_tip(*this,tooltips_string);
 919                                         tooltips_.force_window();
 920                                 }
 921                         }
 922                 }
 923                 break;
 924         case GDK_BUTTON_RELEASE:
 925                 {
 926                         Gtk::TreeModel::Path path;
 927                         Gtk::TreeViewColumn *column;
 928                         int cell_x, cell_y;
 929                         if(!get_param_tree_view().get_path_at_pos(
 930                                 (int)event->button.x,(int)event->button.y,      // x, y
 931                                 path, // TreeModel::Path&
 932                                 column, //TreeViewColumn*&
 933                                 cell_x,cell_y //int&cell_x,int&cell_y
 934                                 )
 935                         ) break;
 936
 937                         if(!get_param_tree_view().get_model()->get_iter(path))
 938                                 break;
 939
 940                         Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
 941
 942 /*                      if(column && cellrenderer_time_track==column->get_first_cell_renderer())
 943                         {
 944                                 Gdk::Rectangle rect;
 945                                 get_param_tree_view().get_cell_area(path,*column,rect);
 946                                 cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
 947                                 cellrenderer_time_track->property_canvas()=row[param_model.canvas];
 948                                 cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
 949                                 get_param_tree_view().queue_draw();
 950                                 get_param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
 951                                 return true;
 952
 953                         }
 954 */
 955                 }
 956                 break;
 957         default:
 958                 break;
 959         }
 960         return false;
 961 }
 962
 963 void
 964 LayerTree::on_raise_pressed()
 965 {
 966         synfigapp::Action::ParamList param_list;
 967         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
 968         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
 969         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
 970
 971         {
 972                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
 973                 synfigapp::SelectionManager::LayerList::iterator iter;
 974
 975                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
 976                         param_list.add("layer",Layer::Handle(*iter));
 977         }
 978         synfigapp::Action::Handle action(synfigapp::Action::create("layer_raise"));
 979         action->set_param_list(param_list);
 980         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
 981 }
 982
 983 void
 984 LayerTree::on_lower_pressed()
 985 {
 986         synfigapp::Action::ParamList param_list;
 987         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
 988         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
 989         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
 990
 991         {
 992                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
 993                 synfigapp::SelectionManager::LayerList::iterator iter;
 994
 995                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
 996                         param_list.add("layer",Layer::Handle(*iter));
 997         }
 998
 999         synfigapp::Action::Handle action(synfigapp::Action::create("layer_lower"));
1000         action->set_param_list(param_list);
1001         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1002 }
1003
1004 void
1005 LayerTree::on_duplicate_pressed()
1006 {
1007         synfigapp::Action::ParamList param_list;
1008         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
1009         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
1010         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
1011
1012         {
1013                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
1014                 synfigapp::SelectionManager::LayerList::iterator iter;
1015
1016                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
1017                         param_list.add("layer",Layer::Handle(*iter));
1018         }
1019
1020         synfigapp::Action::Handle action(synfigapp::Action::create("layer_duplicate"));
1021         action->set_param_list(param_list);
1022         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1023 }
1024
1025 void
1026 LayerTree::on_delete_pressed()
1027 {
1028         synfigapp::Action::ParamList param_list;
1029         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
1030         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
1031         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
1032
1033         {
1034                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
1035                 synfigapp::SelectionManager::LayerList::iterator iter;
1036
1037                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
1038                         param_list.add("layer",Layer::Handle(*iter));
1039         }
1040
1041         synfigapp::Action::Handle action(synfigapp::Action::create("layer_remove"));
1042         action->set_param_list(param_list);
1043         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1044 }
1045
1046 /*
1047 void
1048 LayerTree::on_drag_data_get(const Glib::RefPtr<Gdk::DragContext>&context, Gtk::SelectionData& selection_data, guint info, guint time)
1049 {
1050         synfig::info("Dragged data of type \"%s\"",selection_data.get_data_type());
1051         synfig::info("Dragged data of target \"%s\"",gdk_atom_name(selection_data->target));
1052         synfig::info("Dragged selection=\"%s\"",gdk_atom_name(selection_data->selection));
1053
1054         Gtk::TreeModel::Path path;
1055         Gtk::TreeViewColumn *column;
1056         int cell_x, cell_y;
1057         if(get_selection()
1058         Gtk::TreeRow row = *(get_selection()->get_selected());
1059
1060         if(synfig::String(gdk_atom_name(selection_data->target))=="LAYER" && (bool)row[model.is_layer])
1061         {
1062                 Layer* layer(((Layer::Handle)row[model.layer]).get());
1063                 assert(layer);
1064                 selection_data.set(8, reinterpret_cast<const guchar*>(&layer), sizeof(layer));
1065                 return;
1066         }
1067 }
1068
1069 void
1070 LayerTree::on_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, Gtk::SelectionData& selection_data, guint info, guint time)
1071 {
1072         synfig::info("Dropped data of type \"%s\"",selection_data.get_data_type());
1073         synfig::info("Dropped data of target \"%s\"",gdk_atom_name(selection_data->target));
1074         synfig::info("Dropped selection=\"%s\"",gdk_atom_name(selection_data->selection));
1075         synfig::info("Dropped x=%d, y=%d",x,y);
1076         bool success=false;
1077         bool dropped_on_specific_row=false;
1078
1079         Gtk::TreeModel::Path path;
1080         Gtk::TreeViewColumn *column;
1081         int cell_x, cell_y;
1082         if(!get_path_at_pos(
1083                 x,y,    // x, y
1084                 path, // TreeModel::Path&
1085                 column, //TreeViewColumn*&
1086                 cell_x,cell_y //int&cell_x,int&cell_y
1087                 )
1088         )
1089         {
1090                 dropped_on_specific_row=false;
1091         }
1092         else
1093                 dropped_on_specific_row=true;
1094
1095         Gtk::TreeRow row = *(get_model()->get_iter(path));
1096
1097         if ((selection_data.get_length() >= 0) && (selection_data.get_format() == 8))
1098         {
1099                 if(synfig::String(selection_data.get_data_type())=="LAYER")do
1100                 {
1101                         Layer::Handle src(*reinterpret_cast<Layer**>(selection_data.get_data()));
1102                         assert(src);
1103
1104                         Canvas::Handle dest_canvas;
1105                         Layer::Handle dest_layer;
1106
1107                         if(dropped_on_specific_row)
1108                         {
1109                                 dest_canvas=(Canvas::Handle)(row[model.canvas]);
1110                                 dest_layer=(Layer::Handle)(row[model.layer]);
1111                                 assert(dest_canvas);
1112                         }
1113                         else
1114                                 dest_canvas=layer_tree_store_->canvas_interface()->get_canvas();
1115
1116                         // In this case, we are just moving.
1117                         if(dest_canvas==src->get_canvas())
1118                         {
1119                                 if(!dest_layer || dest_layer==src)
1120                                         break;
1121
1122                                 synfigapp::Action::Handle action(synfigapp::Action::create("layer_move"));
1123                                 action->set_param("canvas",dest_canvas);
1124                                 action->set_param("canvas_interface",layer_tree_store_->canvas_interface());
1125                                 action->set_param("layer",src);
1126                                 action->set_param("new_index",dest_canvas->get_depth(dest_layer));
1127                                 if(layer_tree_store_->canvas_interface()->get_instance()->perform_action(action))
1128                                         success=true;
1129                                 else
1130                                         success=false;
1131                                 break;
1132                         }
1133                 }while(0);
1134         }
1135
1136         // Finish the drag
1137         context->drag_finish(success, false, time);
1138 }
1139 */
1140
1141 /*bool
1142 LayerTree::on_drag_motion(const Glib::RefPtr<Gdk::DragContext>& context,int x, int    y, guint    time)
1143 {
1144         return get_layer_tree_view().on_drag_motion(context,x,y,time);
1145 }
1146
1147 void
1148 LayerTree::on_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, Gtk::SelectionData& selection_data, guint info, guint time)
1149 {
1150         get_layer_tree_view().on_drag_data_received(context,x,y,selection_data,info,time);
1151 */
1152 /*
1153         if(context->gobj()->source_window==context->gobj()->dest_window)
1154         {
1155                 Gtk::TreeView::on_drag_data_received(context,x,y,selection_data,info,time);
1156                 return;
1157         }
1158
1159         Gtk::TreeModel::Path path;
1160         Gtk::TreeViewColumn *column;
1161         int cell_x, cell_y;
1162         if(!get_path_at_pos(
1163                 x,y,    // x, y
1164                 path, // TreeModel::Path&
1165                 column, //TreeViewColumn*&
1166                 cell_x,cell_y //int&cell_x,int&cell_y
1167                 )
1168         )
1169         {
1170                 context->drag_finish(false, false, time);
1171         }
1172
1173         if(layer_tree_store_->row_drop_possible(path,selection_data))
1174         {
1175                 if(layer_tree_store_->drag_data_received(path,selection_data))
1176                         context->drag_finish(true, false, time);
1177         }
1178         context->drag_finish(false, false, time);
1179 }
1180 */