synfig-studio/tags/synfigstudio_0_61_03/synfig-studio/src/gtkmm/layertree.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file layertree.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: layertree.cpp,v 1.1.1.1 2005/01/07 03:34:36 darco Exp $
   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 #endif
  45
  46 /* === U S I N G =========================================================== */
  47
  48 using namespace std;
  49 using namespace etl;
  50 using namespace synfig;
  51 using namespace studio;
  52
  53 /* === M A C R O S ========================================================= */
  54
  55 #ifndef SMALL_BUTTON
  56 #define SMALL_BUTTON(button,stockid,tooltip)    \
  57         button = manage(new class Gtk::Button());       \
  58         icon=manage(new Gtk::Image(Gtk::StockID(stockid),iconsize));    \
  59         button->add(*icon);     \
  60         tooltips_.set_tip(*button,tooltip);     \
  61         icon->set_padding(0,0);\
  62         icon->show();   \
  63         button->set_relief(Gtk::RELIEF_NONE); \
  64         button->show()
  65 #endif
  66
  67 #ifndef NORMAL_BUTTON
  68 #define NORMAL_BUTTON(button,stockid,tooltip)   \
  69         button = manage(new class Gtk::Button());       \
  70         icon=manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::ICON_SIZE_BUTTON));       \
  71         button->add(*icon);     \
  72         tooltips_.set_tip(*button,tooltip);     \
  73         icon->set_padding(0,0);\
  74         icon->show();   \
  75         /*button->set_relief(Gtk::RELIEF_NONE);*/ \
  76         button->show()
  77 #endif
  78
  79 #define NEW_SMALL_BUTTON(x,y,z) Gtk::Button *SMALL_BUTTON(x,y,z)
  80
  81 #define NOT_IMPLEMENTED_SLOT sigc::mem_fun(*reinterpret_cast<studio::CanvasViewUIInterface*>(get_ui_interface().get()),&studio::CanvasViewUIInterface::not_implemented)
  82
  83 /* === G L O B A L S ======================================================= */
  84
  85 /* === P R O C E D U R E S ================================================= */
  86
  87 /* === M E T H O D S ======================================================= */
  88
  89 LayerTree::LayerTree():
  90         layer_amount_adjustment_(1,0,1,0.01,0.01,0)
  91 {
  92         param_tree_view_=new Gtk::TreeView;
  93         layer_tree_view_=new Gtk::TreeView;
  94
  95         //Gtk::HPaned* hpaned(manage(new Gtk::HPaned()));
  96         //hpaned->show();
  97         //attach(*hpaned, 0, 3, 0, 1, Gtk::EXPAND|Gtk::FILL,Gtk::EXPAND|Gtk::FILL, 0, 0);
  98         //attach(*create_layer_tree(), 0, 3, 0, 1, Gtk::EXPAND|Gtk::FILL,Gtk::EXPAND|Gtk::FILL, 0, 0);
  99
 100         create_layer_tree();
 101         create_param_tree();
 102
 103         //hpaned->pack1(*create_layer_tree(),false,false);
 104         //hpaned->pack2(*create_param_tree(),true,false);
 105         //hpaned->set_position(200);
 106         hbox=manage(new Gtk::HBox());
 107
 108         attach(*hbox, 0, 1, 1, 2, Gtk::FILL|Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 109         attach(blend_method_widget, 2, 3, 1, 2,Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 110
 111         layer_amount_hscale=manage(new Gtk::HScale(layer_amount_adjustment_));
 112         layer_amount_hscale->set_digits(2);
 113         layer_amount_hscale->set_value_pos(Gtk::POS_LEFT);
 114         layer_amount_hscale->set_sensitive(false);
 115         layer_amount_hscale->set_update_policy( Gtk::UPDATE_DISCONTINUOUS);
 116         attach(*layer_amount_hscale, 1, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 1, 1);
 117         layer_amount_adjustment_.signal_value_changed().connect(sigc::mem_fun(*this, &studio::LayerTree::on_amount_value_changed));
 118
 119
 120
 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
 147
 148
 149         get_selection()->signal_changed().connect(sigc::mem_fun(*this, &studio::LayerTree::on_selection_changed));
 150
 151
 152         get_layer_tree_view().set_reorderable(true);
 153         get_selection()->set_mode(Gtk::SELECTION_MULTIPLE);
 154         //get_param_tree_view().get_selection()->set_mode(Gtk::SELECTION_MULTIPLE);
 155         get_layer_tree_view().show();
 156         param_tree_view().show();
 157
 158
 159         hbox->show();
 160         layer_amount_hscale->show();
 161         blend_method_widget.show();
 162
 163         tooltips_.enable();
 164         disable_amount_changed_signal=false;
 165
 166
 167
 168
 169
 170         blend_method_widget.set_param_desc(ParamDesc(Color::BlendMethod(),"blend_method"));
 171
 172         blend_method_widget.set_value((int)Color::BLEND_COMPOSITE);
 173         blend_method_widget.set_size_request(150,-1);
 174         blend_method_widget.set_sensitive(false);
 175         blend_method_widget.signal_activate().connect(sigc::mem_fun(*this, &studio::LayerTree::on_blend_method_changed));
 176 }
 177
 178
 179 LayerTree::~LayerTree()
 180 {
 181         synfig::info("LayerTree::~LayerTree(): Deleted");
 182 }
 183
 184 Gtk::Widget*
 185 LayerTree::create_layer_tree()
 186 {
 187         const LayerTreeStore::Model model;
 188
 189
 190         {       // --- O N / O F F ----------------------------------------------------
 191                 int index;
 192                 index=get_layer_tree_view().append_column_editable(_(" "),layer_model.active);
 193                 //Gtk::TreeView::Column* column = get_layer_tree_view().get_column(index-1);
 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
 202                 column->set_sort_column_id(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                 int index;
 214                 index=get_layer_tree_view().append_column_editable(_("Layer"),layer_model.label);
 215                 //Gtk::TreeView::Column* column = get_layer_tree_view().get_column(index-1);
 216
 217                 //column->set_sort_column_id(layer_model.index);
 218
 219                 //get_layer_tree_view().set_expander_column(*column);
 220                 //column->set_reorderable();
 221                 //column->set_resizable();
 222                 //column->set_clickable(false);
 223
 224                 //Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 225                 //column->pack_start(*icon_cellrenderer,false);
 226                 //column->add_attribute(icon_cellrenderer->property_pixbuf(), layer_model.icon);
 227         }
 228         {       // --- Z D E P T H ----------------------------------------------------
 229                 int index;
 230                 index=get_layer_tree_view().append_column(_("Z"),layer_model.z_depth);
 231                 column_z_depth=get_layer_tree_view().get_column(index-1);
 232
 233                 column_z_depth->set_reorderable();
 234                 column_z_depth->set_resizable();
 235                 column_z_depth->set_clickable();
 236
 237                 column_z_depth->set_sort_column_id(layer_model.z_depth);
 238         }
 239         /*
 240         {       // --- N A M E --------------------------------------------------------
 241                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Layer")) );
 242
 243                 // Set up the icon cell-renderer
 244                 Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 245                 column->pack_start(*icon_cellrenderer,false);
 246                 column->add_attribute(icon_cellrenderer->property_pixbuf(), layer_model.icon);
 247
 248                 // Set up the text attributes
 249                 Pango::AttrList attr_list;
 250                 {
 251                         Pango::AttrInt pango_size(Pango::Attribute::create_attr_size(Pango::SCALE*8));
 252                         pango_size.set_start_index(0);
 253                         pango_size.set_end_index(64);
 254                         attr_list.change(pango_size);
 255                 }
 256
 257                 // Pack the label into the column
 258                 //column->pack_start(layer_model.label,true);
 259                 Gtk::CellRendererText* text_cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
 260                 column->pack_start(*text_cellrenderer,false);
 261                 column->add_attribute(text_cellrenderer->property_text(), layer_model.label);
 262                 text_cellrenderer->property_attributes()=attr_list;
 263
 264                 // Finish setting up the column
 265                 column->set_reorderable();
 266                 column->set_resizable();
 267                 column->set_clickable();
 268                 get_layer_tree_view().append_column(*column);
 269                 get_layer_tree_view().set_expander_column(*column);
 270         }
 271         */
 272
 273 /*      {
 274                 Gtk::Widget& widget(get_layer_tree_view());
 275                 Pango::FontDescription font(widget.get_modifier_style()->get_font());
 276                 font.set_size(font.get_size()*3/4);
 277                 widget.get_modifier_style()->set_font(font);
 278                 widget.modify_style(widget.get_modifier_style());
 279         }
 280 */
 281         get_layer_tree_view().set_enable_search(true);
 282         get_layer_tree_view().set_search_column(layer_model.label);
 283         get_layer_tree_view().set_search_equal_func(sigc::ptr_fun(&studio::LayerTreeStore::search_func));
 284
 285         std::list<Gtk::TargetEntry> listTargets;
 286         listTargets.push_back( Gtk::TargetEntry("LAYER") );
 287         get_layer_tree_view().drag_dest_set(listTargets);
 288
 289
 290         // This makes things easier to read.
 291         get_layer_tree_view().set_rules_hint();
 292
 293         // Make us more sensitive to several events
 294         //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);
 295
 296         get_layer_tree_view().signal_event().connect(sigc::mem_fun(*this, &studio::LayerTree::on_layer_tree_event));
 297         get_layer_tree_view().show();
 298
 299
 300
 301         Gtk::ScrolledWindow *scroll = manage(new class Gtk::ScrolledWindow());
 302         scroll->set_flags(Gtk::CAN_FOCUS);
 303         scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 304         //scroll->add(get_layer_tree_view());
 305         scroll->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 306         scroll->show();
 307
 308         return scroll;
 309 }
 310
 311 Gtk::Widget*
 312 LayerTree::create_param_tree()
 313 {
 314         Pango::AttrList attr_list;
 315         {
 316                 Pango::AttrInt pango_size(Pango::Attribute::create_attr_size(Pango::SCALE*8));
 317                 pango_size.set_start_index(0);
 318                 pango_size.set_end_index(64);
 319                 attr_list.change(pango_size);
 320         }
 321
 322         Gtk::IconSize icon_size(Gtk::ICON_SIZE_SMALL_TOOLBAR);
 323
 324         {       // --- N A M E --------------------------------------------------------
 325                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Param")) );
 326
 327                 // Set up the icon cell-renderer
 328                 Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 329                 column->pack_start(*icon_cellrenderer,false);
 330                 column->add_attribute(icon_cellrenderer->property_pixbuf(), param_model.icon);
 331
 332                 // Pack the label into the column
 333                 //column->pack_start(layer_model.label,true);
 334                 Gtk::CellRendererText* text_cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
 335                 column->pack_start(*text_cellrenderer,false);
 336                 column->add_attribute(text_cellrenderer->property_text(), param_model.label);
 337                 text_cellrenderer->property_attributes()=attr_list;
 338
 339                 text_cellrenderer->property_foreground()=Glib::ustring("#7f7f7f");
 340                 column->add_attribute(text_cellrenderer->property_foreground_set(),param_model.is_inconsistent);
 341
 342                 // Pack the label into the column
 343                 //column->pack_start(param_model.label,true);
 344
 345                 // Set up the value-node icon cell-renderer to be on the far right
 346                 Gtk::CellRendererPixbuf* valuenode_icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 347                 column->pack_end(*valuenode_icon_cellrenderer,false);
 348                 valuenode_icon_cellrenderer->property_pixbuf()=Gtk::Button().render_icon(Gtk::StockID("synfig-value_node"),icon_size);
 349                 column->add_attribute(valuenode_icon_cellrenderer->property_visible(), param_model.is_shared);
 350
 351                 // Finish setting up the column
 352                 column->set_reorderable();
 353                 column->set_resizable();
 354                 column->set_clickable();
 355
 356                 param_tree_view().append_column(*column);
 357         }
 358         {       // --- V A L U E  -----------------------------------------------------
 359                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("ValueBase")) );
 360
 361                 // Set up the value cell-renderer
 362                 cellrenderer_value=LayerParamTreeStore::add_cell_renderer_value(column);
 363                 cellrenderer_value->signal_edited().connect(sigc::mem_fun(*this, &studio::LayerTree::on_edited_value));
 364                 cellrenderer_value->property_value()=synfig::ValueBase();
 365                 column->add_attribute(cellrenderer_value->property_param_desc(), param_model.param_desc);
 366                 column->add_attribute(cellrenderer_value->property_inconsistant(),param_model.is_inconsistent);
 367                 //cellrenderer_value->property_canvas()=canvas_interface->get_canvas(); // Is this line necessary?
 368                 cellrenderer_value->property_attributes()=attr_list;
 369
 370                 // Finish setting up the column
 371                 param_tree_view().append_column(*column);
 372                 column->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 373                 column->set_clickable();
 374                 column->set_min_width(120);
 375                 column->set_reorderable();
 376                 column->set_resizable();
 377         }
 378         /*{     // --- T I M E   T R A C K --------------------------------------------
 379                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Time Track")) );
 380                 column_time_track=column;
 381
 382                 // Set up the value-node cell-renderer
 383                 cellrenderer_time_track=LayerParamTreeStore::add_cell_renderer_value_node(column);
 384                 cellrenderer_time_track->property_mode()=Gtk::CELL_RENDERER_MODE_ACTIVATABLE;
 385                 cellrenderer_time_track->signal_waypoint_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_waypoint_clicked) );
 386                 cellrenderer_time_track->signal_waypoint_changed().connect(sigc::mem_fun(*this, &studio::LayerTree::on_waypoint_changed) );
 387                 column->add_attribute(cellrenderer_time_track->property_value_desc(), param_model.value_desc);
 388                 column->add_attribute(cellrenderer_time_track->property_canvas(), param_model.canvas);
 389                 //column->add_attribute(cellrenderer_time_track->property_visible(), model.is_value_node);
 390
 391                 //column->pack_start(*cellrenderer_time_track);
 392
 393                 // Finish setting up the column
 394                 column->set_reorderable();
 395                 column->set_resizable();
 396                 column->set_min_width(200);
 397                 //param_tree_view().append_column(*column);
 398         }*/
 399
 400
 401
 402         // This makes things easier to read.
 403         param_tree_view().set_rules_hint();
 404
 405         // Make us more sensitive to several events
 406         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);
 407
 408         param_tree_view().signal_event().connect(sigc::mem_fun(*this, &studio::LayerTree::on_param_tree_event));
 409         param_tree_view().show();
 410
 411         Gtk::ScrolledWindow *scroll = manage(new class Gtk::ScrolledWindow());
 412         scroll->set_flags(Gtk::CAN_FOCUS);
 413         scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 414         //scroll->add(param_tree_view());
 415         scroll->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 416         scroll->show();
 417
 418         //column_time_track->set_visible(false);
 419
 420         return scroll;
 421 }
 422
 423 void
 424 LayerTree::on_waypoint_changed( synfig::Waypoint waypoint , synfig::ValueNode::Handle value_node)
 425 {
 426         synfigapp::Action::ParamList param_list;
 427         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
 428         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
 429         param_list.add("value_node",value_node);
 430         param_list.add("waypoint",waypoint);
 431 //      param_list.add("time",canvas_interface()->get_time());
 432
 433         etl::handle<studio::Instance>::cast_static(layer_tree_store_->canvas_interface()->get_instance())->process_action("waypoint_set_smart", param_list);
 434 }
 435
 436 void
 437 LayerTree::select_layer(Layer::Handle layer)
 438 {
 439         Gtk::TreeModel::Children::iterator iter;
 440         if(layer_tree_store_->find_layer_row(layer,iter))
 441         {
 442                 if(sorted_layer_tree_store_)
 443                         iter=sorted_layer_tree_store_->convert_child_iter_to_iter(iter);
 444
 445                 Gtk::TreePath path(iter);
 446                 for(int i=path.get_depth();i;i--)
 447                 {
 448                         int j;
 449                         path=Gtk::TreePath(iter);
 450                         for(j=i;j;j--)
 451                                 path.up();
 452                         get_layer_tree_view().expand_row(path,false);
 453                 }
 454                 get_layer_tree_view().scroll_to_row(Gtk::TreePath(iter));
 455                 get_layer_tree_view().get_selection()->select(iter);
 456         }
 457 }
 458
 459 void
 460 LayerTree::select_all_children(Gtk::TreeModel::Children::iterator iter)
 461 {
 462         get_layer_tree_view().get_selection()->select(iter);
 463         if((bool)(*iter)[layer_model.children_lock])
 464                 return;
 465         get_layer_tree_view().expand_row(layer_tree_store_->get_path(iter),false);
 466         Gtk::TreeModel::Children children(iter->children());
 467         for(iter=children.begin();iter!=children.end();++iter)
 468                 select_all_children(iter);
 469 }
 470
 471 void
 472 LayerTree::select_all_children_layers(synfig::Layer::Handle layer)
 473 {
 474         Gtk::TreeModel::Children::iterator iter;
 475         if(layer_tree_store_->find_layer_row(layer,iter))
 476                 select_all_children(iter);
 477 }
 478
 479 void
 480 LayerTree::select_layers(const LayerList &layer_list)
 481 {
 482         LayerList::const_iterator iter;
 483         for(iter = layer_list.begin(); iter != layer_list.end(); ++iter)
 484                 select_layer(*iter);
 485 }
 486
 487 static inline void __layer_grabber(const Gtk::TreeModel::iterator& iter, LayerTree::LayerList* ret)
 488 {
 489         const LayerTreeStore::Model layer_tree_model;
 490         ret->push_back((Layer::Handle)(*iter)[layer_tree_model.layer]);
 491 }
 492
 493 LayerTree::LayerList
 494 LayerTree::get_selected_layers()const
 495 {
 496         Glib::RefPtr<Gtk::TreeSelection> selection=const_cast<Gtk::TreeView&>(get_layer_tree_view()).get_selection();
 497
 498         if(!selection)
 499                 return LayerList();
 500
 501         LayerList ret;
 502
 503         selection->selected_foreach_iter(
 504                 sigc::bind(
 505                         sigc::ptr_fun(
 506                                 &__layer_grabber
 507                         ),
 508                         &ret
 509                 )
 510         );
 511
 512         return ret;
 513 }
 514
 515 synfig::Layer::Handle
 516 LayerTree::get_selected_layer()const
 517 {
 518         LayerList layers(get_selected_layers());
 519
 520         if(layers.empty())
 521                 return 0;
 522
 523         return *layers.begin();
 524 }
 525
 526 void
 527 LayerTree::clear_selected_layers()
 528 {
 529         get_layer_tree_view().get_selection()->unselect_all();
 530 }
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544 void
 545 LayerTree::set_show_timetrack(bool x)
 546 {
 547         //column_time_track->set_visible(x);
 548 //      column_time_track->set_visible(false);
 549         column_z_depth->set_visible(x);
 550 }
 551
 552 void
 553 LayerTree::set_model(Glib::RefPtr<LayerTreeStore> layer_tree_store)
 554 {
 555         layer_tree_store_=layer_tree_store;
 556
 557
 558         if(false)
 559         {
 560                 sorted_layer_tree_store_=Gtk::TreeModelSort::create(layer_tree_store);
 561
 562                 sorted_layer_tree_store_->set_default_sort_func(sigc::ptr_fun(&studio::LayerTreeStore::z_sorter));
 563
 564                 //sorted_store->set_sort_func(model.time.index(),sigc::mem_fun(&studio::KeyframeTreeStore::time_sorter));
 565                 //sorted_store->set_sort_column_id(model.time.index(), Gtk::SORT_ASCENDING);
 566
 567                 get_layer_tree_view().set_model(sorted_layer_tree_store_);
 568         }
 569         else
 570                 get_layer_tree_view().set_model(layer_tree_store_);
 571
 572         layer_tree_store_->canvas_interface()->signal_dirty_preview().connect(sigc::mem_fun(*this,&studio::LayerTree::on_dirty_preview));
 573
 574         //layer_tree_store_->canvas_interface()->signal_dirty_preview().connect(sigc::mem_fun(*this,&studio::LayerTree::on_dirty_preview));
 575
 576         layer_tree_store_->canvas_interface()->signal_time_changed().connect(
 577                 sigc::mem_fun(
 578                         &param_tree_view(),
 579                         &Gtk::Widget::queue_draw
 580                 )
 581         );
 582         if(!param_tree_store_)
 583         {
 584                 param_tree_store_=LayerParamTreeStore::create(layer_tree_store_->canvas_interface(), this);
 585                 param_tree_view().set_model(param_tree_store_);
 586         }
 587
 588 /*      if(cellrenderer_time_track && layer_tree_store_ && layer_tree_store_->canvas_interface())
 589         {
 590                 cellrenderer_time_track->set_canvas_interface(layer_tree_store_->canvas_interface());
 591         }
 592 */
 593 }
 594
 595 void
 596 LayerTree::set_time_adjustment(Gtk::Adjustment &adjustment)
 597 {
 598         //cellrenderer_time_track->set_adjustment(adjustment);
 599         adjustment.signal_value_changed().connect(sigc::mem_fun(param_tree_view(),&Gtk::TreeView::queue_draw));
 600         adjustment.signal_changed().connect(sigc::mem_fun(param_tree_view(),&Gtk::TreeView::queue_draw));
 601 }
 602
 603 void
 604 LayerTree::on_dirty_preview()
 605 {
 606 /*
 607         if(quick_layer && !disable_amount_changed_signal)
 608         {
 609                 layer_amount_hscale->set_sensitive(true);
 610                 disable_amount_changed_signal=true;
 611                 layer_amount_adjustment_.set_value(quick_layer->get_param("amount").get(Real()));
 612                 disable_amount_changed_signal=false;
 613                 if(quick_layer->get_param("blend_method").is_valid())
 614                 {
 615                         blend_method_widget.set_sensitive(true);
 616                         disable_amount_changed_signal=true;
 617                         blend_method_widget.set_value(quick_layer->get_param("blend_method"));
 618                         disable_amount_changed_signal=false;
 619                 }
 620         }
 621 */
 622 }
 623
 624 void
 625 LayerTree::on_selection_changed()
 626 {
 627         synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
 628
 629         Gtk::TreeIter iter;
 630         if(last_top_selected_layer && !layer_tree_store_->find_layer_row(last_top_selected_layer,iter))
 631         {
 632                 if(layer_list.empty())
 633                 {
 634                         last_top_selected_layer=0;
 635                         layer_tree_view_->get_selection()->select(last_top_selected_path);
 636                         return;
 637                 }
 638         }
 639
 640
 641         {
 642                 if(!layer_list.empty())
 643                 {
 644                         last_top_selected_layer=layer_list.front();
 645                         last_top_selected_path=*layer_tree_view_->get_selection()->get_selected_rows().begin();
 646                 }
 647                 else
 648                 {
 649                         last_top_selected_layer=0;
 650                 }
 651         }
 652
 653
 654         if(layer_list.empty())
 655         {
 656                 button_raise->set_sensitive(false);
 657                 button_lower->set_sensitive(false);
 658                 button_duplicate->set_sensitive(false);
 659                 button_delete->set_sensitive(false);
 660                 layer_amount_hscale->set_sensitive(false);
 661                 blend_method_widget.set_sensitive(false);
 662                 return;
 663         }
 664
 665         button_raise->set_sensitive(true);
 666         button_lower->set_sensitive(true);
 667         button_duplicate->set_sensitive(true);
 668         button_delete->set_sensitive(true);
 669
 670         if(layer_list.size()==1 && (*layer_list.begin())->get_param("amount").is_valid()&& (*layer_list.begin())->get_param("amount").same_as(Real()))
 671         {
 672                 quick_layer=*layer_list.begin();
 673         }
 674         else
 675                 quick_layer=0;
 676
 677         if(quick_layer)
 678         {
 679                 layer_amount_hscale->set_sensitive(true);
 680                 disable_amount_changed_signal=true;
 681                 layer_amount_adjustment_.set_value(quick_layer->get_param("amount").get(Real()));
 682                 disable_amount_changed_signal=false;
 683                 if(quick_layer->get_param("blend_method").is_valid())
 684                 {
 685                         blend_method_widget.set_sensitive(true);
 686                         disable_amount_changed_signal=true;
 687                         blend_method_widget.set_value(quick_layer->get_param("blend_method"));
 688                         disable_amount_changed_signal=false;
 689                 }
 690                 else
 691                         blend_method_widget.set_sensitive(false);
 692         }
 693         else
 694         {
 695                 layer_amount_hscale->set_sensitive(false);
 696                 blend_method_widget.set_sensitive(false);
 697         }
 698 }
 699
 700
 701 void
 702 LayerTree::on_blend_method_changed()
 703 {
 704         if(disable_amount_changed_signal)
 705                 return;
 706         if(!quick_layer)
 707                 return;
 708
 709         if(quick_layer->get_param("blend_method").is_valid())
 710         {
 711                 disable_amount_changed_signal=true;
 712                 signal_edited_value()(synfigapp::ValueDesc(quick_layer,"blend_method"),blend_method_widget.get_value());
 713                 disable_amount_changed_signal=false;
 714         }
 715 }
 716
 717 void
 718 LayerTree::on_amount_value_changed()
 719 {
 720         if(disable_amount_changed_signal)
 721                 return;
 722         if(!quick_layer)
 723                 return;
 724
 725         disable_amount_changed_signal=true;
 726         signal_edited_value()(synfigapp::ValueDesc(quick_layer,"amount"),synfig::ValueBase(layer_amount_adjustment_.get_value()));
 727         disable_amount_changed_signal=false;
 728 }
 729
 730
 731 void
 732 LayerTree::on_edited_value(const Glib::ustring&path_string,synfig::ValueBase value)
 733 {
 734         Gtk::TreePath path(path_string);
 735
 736         const Gtk::TreeRow row = *(param_tree_view().get_model()->get_iter(path));
 737         if(!row)
 738                 return;
 739         row[param_model.value]=value;
 740         //signal_edited_value()(row[param_model.value_desc],value);
 741 }
 742
 743 /*
 744 void
 745 LayerTree::on_layer_toggle(const Glib::ustring& path_string)
 746 {
 747         Gtk::TreePath path(path_string);
 748
 749         const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 750
 751         signal_layer_toggle()(row[layer_model.layer]);
 752 }
 753 */
 754
 755 void
 756 LayerTree::on_waypoint_clicked(const Glib::ustring &path_string, synfig::Waypoint waypoint,int button)
 757 {
 758         Gtk::TreePath path(path_string);
 759
 760         const Gtk::TreeRow row = *(param_tree_view().get_model()->get_iter(path));
 761         if(!row)
 762                 return;
 763
 764         signal_waypoint_clicked()(static_cast<synfigapp::ValueDesc>(row[param_model.value_desc]),waypoint,button);
 765 }
 766
 767 bool
 768 LayerTree::on_layer_tree_event(GdkEvent *event)
 769 {
 770     switch(event->type)
 771     {
 772         case GDK_BUTTON_PRESS:
 773                 {
 774                         Gtk::TreeModel::Path path;
 775                         Gtk::TreeViewColumn *column;
 776                         int cell_x, cell_y;
 777                         if(!get_layer_tree_view().get_path_at_pos(
 778                                 int(event->button.x),int(event->button.y),      // x, y
 779                                 path, // TreeModel::Path&
 780                                 column, //TreeViewColumn*&
 781                                 cell_x,cell_y //int&cell_x,int&cell_y
 782                                 )
 783                         ) break;
 784                         const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 785
 786                         //if(column->get_first_cell_renderer()==cellrenderer_time_track)
 787                         //      return signal_layer_user_click()(event->button.button,row,COLUMNID_TIME_TRACK);
 788                         //else
 789                                 if(column->get_first_cell_renderer()==cellrenderer_value)
 790                                 return signal_layer_user_click()(event->button.button,row,COLUMNID_VALUE);
 791                         else
 792                                 return signal_layer_user_click()(event->button.button,row,COLUMNID_NAME);
 793
 794                 }
 795                 break;
 796
 797         case GDK_MOTION_NOTIFY:
 798                 {
 799                         Gtk::TreeModel::Path path;
 800                         Gtk::TreeViewColumn *column;
 801                         int cell_x, cell_y;
 802                         if(!get_layer_tree_view().get_path_at_pos(
 803                                 (int)event->button.x,(int)event->button.y,      // x, y
 804                                 path, // TreeModel::Path&
 805                                 column, //TreeViewColumn*&
 806                                 cell_x,cell_y //int&cell_x,int&cell_y
 807                                 )
 808                         ) break;
 809
 810                         if(!get_layer_tree_view().get_model()->get_iter(path))
 811                                 break;
 812
 813                         Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 814
 815                         /*
 816                         if(cellrenderer_time_track==column->get_first_cell_renderer())
 817                         {
 818                                 // Movement on TimeLine
 819                                 return true;
 820                         }
 821                         else
 822                                 */
 823                         if(last_tooltip_path.get_depth()<=0 || path!=last_tooltip_path)
 824                         {
 825                                 tooltips_.unset_tip(*this);
 826                                 Glib::ustring tooltips_string(row[layer_model.tooltip]);
 827                                 last_tooltip_path=path;
 828                                 if(!tooltips_string.empty())
 829                                 {
 830                                         tooltips_.set_tip(*this,tooltips_string);
 831                                         tooltips_.force_window();
 832                                 }
 833                         }
 834                 }
 835                 break;
 836         case GDK_BUTTON_RELEASE:
 837                 break;
 838         default:
 839                 break;
 840         }
 841         return false;
 842 }
 843
 844
 845 bool
 846 LayerTree::on_param_tree_event(GdkEvent *event)
 847 {
 848     switch(event->type)
 849     {
 850         case GDK_BUTTON_PRESS:
 851                 {
 852                         Gtk::TreeModel::Path path;
 853                         Gtk::TreeViewColumn *column;
 854                         int cell_x, cell_y;
 855                         if(!param_tree_view().get_path_at_pos(
 856                                 int(event->button.x),int(event->button.y),      // x, y
 857                                 path, // TreeModel::Path&
 858                                 column, //TreeViewColumn*&
 859                                 cell_x,cell_y //int&cell_x,int&cell_y
 860                                 )
 861                         ) break;
 862                         const Gtk::TreeRow row = *(param_tree_view().get_model()->get_iter(path));
 863
 864 /*                      if(column && column->get_first_cell_renderer()==cellrenderer_time_track)
 865                         {
 866                                 Gdk::Rectangle rect;
 867                                 param_tree_view().get_cell_area(path,*column,rect);
 868                                 cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
 869                                 cellrenderer_time_track->property_canvas()=row[param_model.canvas];
 870                                 cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
 871                                 param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
 872                                 return true;
 873                                 //return signal_param_user_click()(event->button.button,row,COLUMNID_TIME_TRACK);
 874                         }
 875                         else
 876 */                      {
 877                                 if(event->button.button==3)
 878                                 {
 879                                         LayerList layer_list(get_selected_layers());
 880                                         if(layer_list.size()<=1)
 881                                         {
 882                                                 synfigapp::ValueDesc value_desc(row[param_model.value_desc]);
 883                                                 Gtk::Menu* menu(manage(new Gtk::Menu()));
 884                                                 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);
 885                                                 menu->popup(event->button.button,gtk_get_current_event_time());
 886                                                 return true;
 887                                         }
 888                                         Gtk::Menu* menu(manage(new Gtk::Menu()));
 889                                         std::list<synfigapp::ValueDesc> value_desc_list;
 890                                         ParamDesc param_desc(row[param_model.param_desc]);
 891                                         for(;!layer_list.empty();layer_list.pop_back())
 892                                                 value_desc_list.push_back(synfigapp::ValueDesc(layer_list.back(),param_desc.get_name()));
 893                                         App::get_instance(param_tree_store_->canvas_interface()->get_canvas())->make_param_menu(menu,param_tree_store_->canvas_interface()->get_canvas(),value_desc_list);
 894                                         menu->popup(event->button.button,gtk_get_current_event_time());
 895                                         return true;
 896                                 }
 897                                 else
 898                                 {
 899                                         if(column->get_first_cell_renderer()==cellrenderer_value)
 900                                                 return signal_param_user_click()(event->button.button,row,COLUMNID_VALUE);
 901                                         else
 902                                                 return signal_param_user_click()(event->button.button,row,COLUMNID_NAME);
 903                                 }
 904                         }
 905                 }
 906                 break;
 907
 908         case GDK_MOTION_NOTIFY:
 909                 {
 910                         Gtk::TreeModel::Path path;
 911                         Gtk::TreeViewColumn *column;
 912                         int cell_x, cell_y;
 913                         if(!param_tree_view().get_path_at_pos(
 914                                 (int)event->motion.x,(int)event->motion.y,      // x, y
 915                                 path, // TreeModel::Path&
 916                                 column, //TreeViewColumn*&
 917                                 cell_x,cell_y //int&cell_x,int&cell_y
 918                                 )
 919                         ) break;
 920
 921                         if(!param_tree_view().get_model()->get_iter(path))
 922                                 break;
 923
 924                         Gtk::TreeRow row = *(param_tree_view().get_model()->get_iter(path));
 925
 926 /*                      if((event->motion.state&GDK_BUTTON1_MASK ||event->motion.state&GDK_BUTTON3_MASK) && column && cellrenderer_time_track==column->get_first_cell_renderer())
 927                         {
 928                                 Gdk::Rectangle rect;
 929                                 param_tree_view().get_cell_area(path,*column,rect);
 930                                 cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
 931                                 cellrenderer_time_track->property_canvas()=row[param_model.canvas];
 932                                 cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
 933                                 param_tree_view().queue_draw();
 934                                 //param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
 935                                 return true;
 936                         }
 937                         else
 938 */                      if(last_tooltip_path.get_depth()<=0 || path!=last_tooltip_path)
 939                         {
 940                                 tooltips_.unset_tip(*this);
 941                                 Glib::ustring tooltips_string(row[layer_model.tooltip]);
 942                                 last_tooltip_path=path;
 943                                 if(!tooltips_string.empty())
 944                                 {
 945                                         tooltips_.set_tip(*this,tooltips_string);
 946                                         tooltips_.force_window();
 947                                 }
 948                         }
 949                 }
 950                 break;
 951         case GDK_BUTTON_RELEASE:
 952                 {
 953                         Gtk::TreeModel::Path path;
 954                         Gtk::TreeViewColumn *column;
 955                         int cell_x, cell_y;
 956                         if(!param_tree_view().get_path_at_pos(
 957                                 (int)event->button.x,(int)event->button.y,      // x, y
 958                                 path, // TreeModel::Path&
 959                                 column, //TreeViewColumn*&
 960                                 cell_x,cell_y //int&cell_x,int&cell_y
 961                                 )
 962                         ) break;
 963
 964                         if(!param_tree_view().get_model()->get_iter(path))
 965                                 break;
 966
 967                         Gtk::TreeRow row = *(param_tree_view().get_model()->get_iter(path));
 968
 969 /*                      if(column && cellrenderer_time_track==column->get_first_cell_renderer())
 970                         {
 971                                 Gdk::Rectangle rect;
 972                                 param_tree_view().get_cell_area(path,*column,rect);
 973                                 cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
 974                                 cellrenderer_time_track->property_canvas()=row[param_model.canvas];
 975                                 cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
 976                                 param_tree_view().queue_draw();
 977                                 param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
 978                                 return true;
 979
 980                         }
 981 */
 982                 }
 983                 break;
 984         default:
 985                 break;
 986         }
 987         return false;
 988 }
 989
 990 void
 991 LayerTree::on_raise_pressed()
 992 {
 993         synfigapp::Action::ParamList param_list;
 994         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
 995         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
 996         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
 997
 998         {
 999                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
1000                 synfigapp::SelectionManager::LayerList::iterator iter;
1001
1002                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
1003                         param_list.add("layer",Layer::Handle(*iter));
1004         }
1005         synfigapp::Action::Handle action(synfigapp::Action::create("layer_raise"));
1006         action->set_param_list(param_list);
1007         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1008 }
1009
1010 void
1011 LayerTree::on_lower_pressed()
1012 {
1013         synfigapp::Action::ParamList param_list;
1014         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
1015         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
1016         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
1017
1018         {
1019                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
1020                 synfigapp::SelectionManager::LayerList::iterator iter;
1021
1022                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
1023                         param_list.add("layer",Layer::Handle(*iter));
1024         }
1025
1026         synfigapp::Action::Handle action(synfigapp::Action::create("layer_lower"));
1027         action->set_param_list(param_list);
1028         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1029 }
1030
1031 void
1032 LayerTree::on_duplicate_pressed()
1033 {
1034         synfigapp::Action::ParamList param_list;
1035         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
1036         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
1037         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
1038
1039         {
1040                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
1041                 synfigapp::SelectionManager::LayerList::iterator iter;
1042
1043                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
1044                         param_list.add("layer",Layer::Handle(*iter));
1045         }
1046
1047         synfigapp::Action::Handle action(synfigapp::Action::create("layer_duplicate"));
1048         action->set_param_list(param_list);
1049         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1050 }
1051
1052 void
1053 LayerTree::on_delete_pressed()
1054 {
1055         synfigapp::Action::ParamList param_list;
1056         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
1057         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
1058         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
1059
1060         {
1061                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
1062                 synfigapp::SelectionManager::LayerList::iterator iter;
1063
1064                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
1065                         param_list.add("layer",Layer::Handle(*iter));
1066         }
1067
1068         synfigapp::Action::Handle action(synfigapp::Action::create("layer_remove"));
1069         action->set_param_list(param_list);
1070         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1071 }
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092 /*
1093 void
1094 LayerTree::on_drag_data_get(const Glib::RefPtr<Gdk::DragContext>&context, Gtk::SelectionData& selection_data, guint info, guint time)
1095 {
1096         synfig::info("Dragged data of type \"%s\"",selection_data.get_data_type());
1097         synfig::info("Dragged data of target \"%s\"",gdk_atom_name(selection_data->target));
1098         synfig::info("Dragged selection=\"%s\"",gdk_atom_name(selection_data->selection));
1099
1100         DEBUGPOINT();
1101
1102         Gtk::TreeModel::Path path;
1103         Gtk::TreeViewColumn *column;
1104         int cell_x, cell_y;
1105         if(get_selection()
1106         Gtk::TreeRow row = *(get_selection()->get_selected());
1107         DEBUGPOINT();
1108
1109         if(synfig::String(gdk_atom_name(selection_data->target))=="LAYER" && (bool)row[model.is_layer])
1110         {
1111                 DEBUGPOINT();
1112                 Layer* layer(((Layer::Handle)row[model.layer]).get());
1113                 assert(layer);
1114                 selection_data.set(8, reinterpret_cast<const guchar*>(&layer), sizeof(layer));
1115                 return;
1116         }
1117         DEBUGPOINT();
1118 }
1119
1120 void
1121 LayerTree::on_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, Gtk::SelectionData& selection_data, guint info, guint time)
1122 {
1123         synfig::info("Dropped data of type \"%s\"",selection_data.get_data_type());
1124         synfig::info("Dropped data of target \"%s\"",gdk_atom_name(selection_data->target));
1125         synfig::info("Dropped selection=\"%s\"",gdk_atom_name(selection_data->selection));
1126         synfig::info("Dropped x=%d, y=%d",x,y);
1127         bool success=false;
1128         bool dropped_on_specific_row=false;
1129
1130         Gtk::TreeModel::Path path;
1131         Gtk::TreeViewColumn *column;
1132         int cell_x, cell_y;
1133         if(!get_path_at_pos(
1134                 x,y,    // x, y
1135                 path, // TreeModel::Path&
1136                 column, //TreeViewColumn*&
1137                 cell_x,cell_y //int&cell_x,int&cell_y
1138                 )
1139         )
1140         {
1141                 dropped_on_specific_row=false;
1142         }
1143         else
1144                 dropped_on_specific_row=true;
1145
1146         Gtk::TreeRow row = *(get_model()->get_iter(path));
1147
1148
1149         if ((selection_data.get_length() >= 0) && (selection_data.get_format() == 8))
1150         {
1151                 if(synfig::String(selection_data.get_data_type())=="LAYER")do
1152                 {
1153                         Layer::Handle src(*reinterpret_cast<Layer**>(selection_data.get_data()));
1154                         assert(src);
1155
1156                         Canvas::Handle dest_canvas;
1157                         Layer::Handle dest_layer;
1158
1159                         if(dropped_on_specific_row)
1160                         {
1161                                 dest_canvas=(Canvas::Handle)(row[model.canvas]);
1162                                 dest_layer=(Layer::Handle)(row[model.layer]);
1163                                 assert(dest_canvas);
1164                         }
1165                         else
1166                                 dest_canvas=layer_tree_store_->canvas_interface()->get_canvas();
1167
1168                         // In this case, we are just moving.
1169                         if(dest_canvas==src->get_canvas())
1170                         {
1171                                 if(!dest_layer || dest_layer==src)
1172                                         break;
1173
1174                                 synfigapp::Action::Handle action(synfigapp::Action::create("layer_move"));
1175                                 action->set_param("canvas",dest_canvas);
1176                                 action->set_param("canvas_interface",layer_tree_store_->canvas_interface());
1177                                 action->set_param("layer",src);
1178                                 action->set_param("new_index",dest_canvas->get_depth(dest_layer));
1179                                 if(layer_tree_store_->canvas_interface()->get_instance()->perform_action(action))
1180                                         success=true;
1181                                 else
1182                                         success=false;
1183                                 break;
1184                         }
1185                 }while(0);
1186         }
1187
1188         // Finish the drag
1189         context->drag_finish(success, false, time);
1190 }
1191 */
1192
1193 /*bool
1194 LayerTree::on_drag_motion(const Glib::RefPtr<Gdk::DragContext>& context,int x, int    y, guint    time)
1195 {
1196         return get_layer_tree_view().on_drag_motion(context,x,y,time);
1197 }
1198
1199 void
1200 LayerTree::on_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, Gtk::SelectionData& selection_data, guint info, guint time)
1201 {
1202         get_layer_tree_view().on_drag_data_received(context,x,y,selection_data,info,time);
1203 */
1204 /*
1205         if(context->gobj()->source_window==context->gobj()->dest_window)
1206         {
1207                 Gtk::TreeView::on_drag_data_received(context,x,y,selection_data,info,time);
1208                 return;
1209         }
1210
1211         Gtk::TreeModel::Path path;
1212         Gtk::TreeViewColumn *column;
1213         int cell_x, cell_y;
1214         if(!get_path_at_pos(
1215                 x,y,    // x, y
1216                 path, // TreeModel::Path&
1217                 column, //TreeViewColumn*&
1218                 cell_x,cell_y //int&cell_x,int&cell_y
1219                 )
1220         )
1221         {
1222                 context->drag_finish(false, false, time);
1223         }
1224
1225         if(layer_tree_store_->row_drop_possible(path,selection_data))
1226         {
1227                 if(layer_tree_store_->drag_data_received(path,selection_data))
1228                         context->drag_finish(true, false, time);
1229         }
1230         context->drag_finish(false, false, time);
1231 }
1232 */