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