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 #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         get_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                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_(" ")) );
 196
 197                 // Set up the icon cell-renderer
 198                 Gtk::CellRendererToggle* cellrenderer = Gtk::manage( new Gtk::CellRendererToggle() );
 199                 cellrenderer->signal_toggled().connect(sigc::mem_fun(*this, &studio::LayerTree::on_layer_toggle));
 200
 201                 column->pack_start(*cellrenderer,false);
 202                 column->add_attribute(cellrenderer->property_active(), layer_model.active);
 203                 get_layer_tree_view().append_column(*column);
 204         }
 205
 206         {       // --- I C O N --------------------------------------------------------
 207                 int index;
 208                 index=get_layer_tree_view().append_column(_("Z"),layer_model.icon);
 209                 Gtk::TreeView::Column* column = get_layer_tree_view().get_column(index-1);
 210                 get_layer_tree_view().set_expander_column(*column);
 211
 212
 213                 column->set_sort_column_id(layer_model.z_depth);
 214                 //column->set_reorderable();
 215                 //column->set_resizable();
 216                 //column->set_clickable();
 217
 218                 //Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 219                 //column->pack_start(*icon_cellrenderer,false);
 220                 //column->add_attribute(icon_cellrenderer->property_pixbuf(), layer_model.icon);
 221         }
 222         //get_layer_tree_view().append_column(_("Z"),layer_model.z_depth);
 223         {       // --- N A M E --------------------------------------------------------
 224                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Layer")) );
 225
 226                 // Set up the icon cell-renderer
 227                 Gtk::CellRendererText* cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
 228                 cellrenderer->signal_edited().connect(sigc::mem_fun(*this, &studio::LayerTree::on_layer_renamed));
 229                 cellrenderer->property_editable()=true;
 230
 231                 column->pack_start(*cellrenderer,false);
 232                 column->add_attribute(cellrenderer->property_text(), layer_model.label);
 233                 get_layer_tree_view().append_column(*column);
 234
 235                 //              int index;
 236 //              index=get_layer_tree_view().append_column_editable(_("Layer"),layer_model.label);
 237                 //Gtk::TreeView::Column* column = get_layer_tree_view().get_column(index-1);
 238
 239                 //column->set_sort_column_id(layer_model.index);
 240
 241                 //get_layer_tree_view().set_expander_column(*column);
 242                 //column->set_reorderable();
 243                 //column->set_resizable();
 244                 //column->set_clickable(false);
 245
 246                 //Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 247                 //column->pack_start(*icon_cellrenderer,false);
 248                 //column->add_attribute(icon_cellrenderer->property_pixbuf(), layer_model.icon);
 249         }
 250         {       // --- Z D E P T H ----------------------------------------------------
 251                 int index;
 252                 index=get_layer_tree_view().append_column(_("Z"),layer_model.z_depth);
 253                 column_z_depth=get_layer_tree_view().get_column(index-1);
 254
 255                 column_z_depth->set_reorderable();
 256                 column_z_depth->set_resizable();
 257                 column_z_depth->set_clickable();
 258
 259                 column_z_depth->set_sort_column_id(layer_model.z_depth);
 260         }
 261
 262         get_layer_tree_view().set_enable_search(true);
 263         get_layer_tree_view().set_search_column(layer_model.label);
 264         get_layer_tree_view().set_search_equal_func(sigc::ptr_fun(&studio::LayerTreeStore::search_func));
 265
 266         std::list<Gtk::TargetEntry> listTargets;
 267         listTargets.push_back( Gtk::TargetEntry("LAYER") );
 268         get_layer_tree_view().drag_dest_set(listTargets);
 269
 270
 271         // This makes things easier to read.
 272         get_layer_tree_view().set_rules_hint();
 273
 274         // Make us more sensitive to several events
 275         //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);
 276
 277         get_layer_tree_view().signal_event().connect(sigc::mem_fun(*this, &studio::LayerTree::on_layer_tree_event));
 278         get_layer_tree_view().show();
 279
 280
 281
 282         Gtk::ScrolledWindow *scroll = manage(new class Gtk::ScrolledWindow());
 283         scroll->set_flags(Gtk::CAN_FOCUS);
 284         scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 285         //scroll->add(get_layer_tree_view());
 286         scroll->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 287         scroll->show();
 288
 289         return scroll;
 290 }
 291
 292 Gtk::Widget*
 293 LayerTree::create_param_tree()
 294 {
 295         Pango::AttrList attr_list;
 296         {
 297                 Pango::AttrInt pango_size(Pango::Attribute::create_attr_size(Pango::SCALE*8));
 298                 pango_size.set_start_index(0);
 299                 pango_size.set_end_index(64);
 300                 attr_list.change(pango_size);
 301         }
 302
 303         Gtk::IconSize icon_size(Gtk::ICON_SIZE_SMALL_TOOLBAR);
 304
 305         {       // --- N A M E --------------------------------------------------------
 306                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Name")) );
 307
 308                 // Set up the icon cell-renderer
 309                 Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 310                 column->pack_start(*icon_cellrenderer,false);
 311                 column->add_attribute(icon_cellrenderer->property_pixbuf(), param_model.icon);
 312
 313                 // Pack the label into the column
 314                 //column->pack_start(layer_model.label,true);
 315                 Gtk::CellRendererText* text_cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
 316                 column->pack_start(*text_cellrenderer,false);
 317                 column->add_attribute(text_cellrenderer->property_text(), param_model.label);
 318                 text_cellrenderer->property_attributes()=attr_list;
 319
 320                 text_cellrenderer->property_foreground()=Glib::ustring("#7f7f7f");
 321                 column->add_attribute(text_cellrenderer->property_foreground_set(),param_model.is_inconsistent);
 322
 323                 // Pack the label into the column
 324                 //column->pack_start(param_model.label,true);
 325
 326                 // Set up the value-node icon cell-renderer to be on the far right
 327                 Gtk::CellRendererPixbuf* valuenode_icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 328                 column->pack_end(*valuenode_icon_cellrenderer,false);
 329                 valuenode_icon_cellrenderer->property_pixbuf()=Gtk::Button().render_icon(Gtk::StockID("synfig-value_node"),icon_size);
 330                 column->add_attribute(valuenode_icon_cellrenderer->property_visible(), param_model.is_shared);
 331
 332                 // Finish setting up the column
 333                 column->set_reorderable();
 334                 column->set_resizable();
 335                 column->set_clickable();
 336
 337                 get_param_tree_view().append_column(*column);
 338         }
 339         {       // --- V A L U E  -----------------------------------------------------
 340                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Value")) );
 341
 342                 // Set up the value cell-renderer
 343                 cellrenderer_value=LayerParamTreeStore::add_cell_renderer_value(column);
 344                 cellrenderer_value->signal_edited().connect(sigc::mem_fun(*this, &studio::LayerTree::on_edited_value));
 345                 cellrenderer_value->property_value()=synfig::ValueBase();
 346                 column->add_attribute(cellrenderer_value->property_param_desc(), param_model.param_desc);
 347                 column->add_attribute(cellrenderer_value->property_inconsistent(),param_model.is_inconsistent);
 348                 //cellrenderer_value->property_canvas()=canvas_interface->get_canvas(); // Is this line necessary?
 349                 cellrenderer_value->property_attributes()=attr_list;
 350
 351                 // Finish setting up the column
 352                 get_param_tree_view().append_column(*column);
 353                 column->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 354                 column->set_clickable();
 355                 column->set_min_width(120);
 356                 column->set_reorderable();
 357                 column->set_resizable();
 358         }
 359         {       // --- T Y P E --------------------------------------------------------
 360                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Type")) );
 361                 Gtk::CellRendererText* text_cellrenderer = Gtk::manage( new Gtk::CellRendererText() );
 362                 column->pack_start(*text_cellrenderer,false);
 363                 column->add_attribute(text_cellrenderer->property_text(), param_model.type);
 364                 text_cellrenderer->property_attributes()=attr_list;
 365                 get_param_tree_view().append_column(*column);
 366                 column->set_reorderable();
 367                 column->set_resizable();
 368                 column->set_clickable();
 369                 column->set_sort_column_id(param_model.type);
 370         }
 371         /*{     // --- T I M E   T R A C K --------------------------------------------
 372                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Time Track")) );
 373                 column_time_track=column;
 374
 375                 // Set up the value-node cell-renderer
 376                 cellrenderer_time_track=LayerParamTreeStore::add_cell_renderer_value_node(column);
 377                 cellrenderer_time_track->property_mode()=Gtk::CELL_RENDERER_MODE_ACTIVATABLE;
 378                 cellrenderer_time_track->signal_waypoint_clicked().connect(sigc::mem_fun(*this, &studio::LayerTree::on_waypoint_clicked) );
 379                 cellrenderer_time_track->signal_waypoint_changed().connect(sigc::mem_fun(*this, &studio::LayerTree::on_waypoint_changed) );
 380                 column->add_attribute(cellrenderer_time_track->property_value_desc(), param_model.value_desc);
 381                 column->add_attribute(cellrenderer_time_track->property_canvas(), param_model.canvas);
 382                 //column->add_attribute(cellrenderer_time_track->property_visible(), model.is_value_node);
 383
 384                 //column->pack_start(*cellrenderer_time_track);
 385
 386                 // Finish setting up the column
 387                 column->set_reorderable();
 388                 column->set_resizable();
 389                 column->set_min_width(200);
 390                 //get_param_tree_view().append_column(*column);
 391         }*/
 392
 393
 394
 395         // This makes things easier to read.
 396         get_param_tree_view().set_rules_hint();
 397
 398         // Make us more sensitive to several events
 399         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);
 400
 401         get_param_tree_view().signal_event().connect(sigc::mem_fun(*this, &studio::LayerTree::on_param_tree_event));
 402         get_param_tree_view().show();
 403
 404         Gtk::ScrolledWindow *scroll = manage(new class Gtk::ScrolledWindow());
 405         scroll->set_flags(Gtk::CAN_FOCUS);
 406         scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 407         //scroll->add(get_param_tree_view());
 408         scroll->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 409         scroll->show();
 410
 411         //column_time_track->set_visible(false);
 412
 413         return scroll;
 414 }
 415
 416 void
 417 LayerTree::on_waypoint_changed( synfig::Waypoint waypoint , synfig::ValueNode::Handle value_node)
 418 {
 419         synfigapp::Action::ParamList param_list;
 420         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
 421         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
 422         param_list.add("value_node",value_node);
 423         param_list.add("waypoint",waypoint);
 424 //      param_list.add("time",canvas_interface()->get_time());
 425
 426         etl::handle<studio::Instance>::cast_static(layer_tree_store_->canvas_interface()->get_instance())->process_action("waypoint_set_smart", param_list);
 427 }
 428
 429 void
 430 LayerTree::select_layer(Layer::Handle layer)
 431 {
 432         Gtk::TreeModel::Children::iterator iter;
 433         if(layer_tree_store_->find_layer_row(layer,iter))
 434         {
 435                 if(sorted_layer_tree_store_)
 436                         iter=sorted_layer_tree_store_->convert_child_iter_to_iter(iter);
 437
 438                 Gtk::TreePath path(iter);
 439                 for(int i=path.get_depth();i;i--)
 440                 {
 441                         int j;
 442                         path=Gtk::TreePath(iter);
 443                         for(j=i;j;j--)
 444                                 path.up();
 445                         get_layer_tree_view().expand_row(path,false);
 446                 }
 447                 get_layer_tree_view().scroll_to_row(Gtk::TreePath(iter));
 448                 get_layer_tree_view().get_selection()->select(iter);
 449         }
 450 }
 451
 452 void
 453 LayerTree::select_all_children(Gtk::TreeModel::Children::iterator iter)
 454 {
 455         get_layer_tree_view().get_selection()->select(iter);
 456         if((bool)(*iter)[layer_model.children_lock])
 457                 return;
 458         get_layer_tree_view().expand_row(layer_tree_store_->get_path(iter),false);
 459         Gtk::TreeModel::Children children(iter->children());
 460         for(iter=children.begin();iter!=children.end();++iter)
 461                 select_all_children(iter);
 462 }
 463
 464 void
 465 LayerTree::select_all_children_layers(synfig::Layer::Handle layer)
 466 {
 467         Gtk::TreeModel::Children::iterator iter;
 468         if(layer_tree_store_->find_layer_row(layer,iter))
 469                 select_all_children(iter);
 470 }
 471
 472 void
 473 LayerTree::select_layers(const LayerList &layer_list)
 474 {
 475         LayerList::const_iterator iter;
 476         for(iter = layer_list.begin(); iter != layer_list.end(); ++iter)
 477                 select_layer(*iter);
 478 }
 479
 480 static inline void __layer_grabber(const Gtk::TreeModel::iterator& iter, LayerTree::LayerList* ret)
 481 {
 482         const LayerTreeStore::Model layer_tree_model;
 483         ret->push_back((Layer::Handle)(*iter)[layer_tree_model.layer]);
 484 }
 485
 486 LayerTree::LayerList
 487 LayerTree::get_selected_layers()const
 488 {
 489         Glib::RefPtr<Gtk::TreeSelection> selection=const_cast<Gtk::TreeView&>(get_layer_tree_view()).get_selection();
 490
 491         if(!selection)
 492                 return LayerList();
 493
 494         LayerList ret;
 495
 496         selection->selected_foreach_iter(
 497                 sigc::bind(
 498                         sigc::ptr_fun(
 499                                 &__layer_grabber
 500                         ),
 501                         &ret
 502                 )
 503         );
 504
 505         return ret;
 506 }
 507
 508 synfig::Layer::Handle
 509 LayerTree::get_selected_layer()const
 510 {
 511         LayerList layers(get_selected_layers());
 512
 513         if(layers.empty())
 514                 return 0;
 515
 516         return *layers.begin();
 517 }
 518
 519 void
 520 LayerTree::clear_selected_layers()
 521 {
 522         get_layer_tree_view().get_selection()->unselect_all();
 523 }
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537 void
 538 LayerTree::set_show_timetrack(bool x)
 539 {
 540         //column_time_track->set_visible(x);
 541 //      column_time_track->set_visible(false);
 542         column_z_depth->set_visible(x);
 543 }
 544
 545 void
 546 LayerTree::set_model(Glib::RefPtr<LayerTreeStore> layer_tree_store)
 547 {
 548         layer_tree_store_=layer_tree_store;
 549
 550
 551         if(false)
 552         {
 553                 sorted_layer_tree_store_=Gtk::TreeModelSort::create(layer_tree_store);
 554
 555                 sorted_layer_tree_store_->set_default_sort_func(sigc::ptr_fun(&studio::LayerTreeStore::z_sorter));
 556
 557                 //sorted_store->set_sort_func(model.time.index(),sigc::mem_fun(&studio::KeyframeTreeStore::time_sorter));
 558                 //sorted_store->set_sort_column_id(model.time.index(), Gtk::SORT_ASCENDING);
 559
 560                 get_layer_tree_view().set_model(sorted_layer_tree_store_);
 561         }
 562         else
 563                 get_layer_tree_view().set_model(layer_tree_store_);
 564
 565         layer_tree_store_->canvas_interface()->signal_dirty_preview().connect(sigc::mem_fun(*this,&studio::LayerTree::on_dirty_preview));
 566
 567         //layer_tree_store_->canvas_interface()->signal_dirty_preview().connect(sigc::mem_fun(*this,&studio::LayerTree::on_dirty_preview));
 568
 569         layer_tree_store_->canvas_interface()->signal_time_changed().connect(
 570                 sigc::mem_fun(
 571                         &get_param_tree_view(),
 572                         &Gtk::Widget::queue_draw
 573                 )
 574         );
 575         if(!param_tree_store_)
 576         {
 577                 param_tree_store_=LayerParamTreeStore::create(layer_tree_store_->canvas_interface(), this);
 578                 get_param_tree_view().set_model(param_tree_store_);
 579         }
 580
 581 /*      if(cellrenderer_time_track && layer_tree_store_ && layer_tree_store_->canvas_interface())
 582         {
 583                 cellrenderer_time_track->set_canvas_interface(layer_tree_store_->canvas_interface());
 584         }
 585 */
 586 }
 587
 588 void
 589 LayerTree::set_time_adjustment(Gtk::Adjustment &adjustment)
 590 {
 591         //cellrenderer_time_track->set_adjustment(adjustment);
 592         adjustment.signal_value_changed().connect(sigc::mem_fun(get_param_tree_view(),&Gtk::TreeView::queue_draw));
 593         adjustment.signal_changed().connect(sigc::mem_fun(get_param_tree_view(),&Gtk::TreeView::queue_draw));
 594 }
 595
 596 void
 597 LayerTree::on_dirty_preview()
 598 {
 599 /*
 600         if(quick_layer && !disable_amount_changed_signal)
 601         {
 602                 layer_amount_hscale->set_sensitive(true);
 603                 disable_amount_changed_signal=true;
 604                 layer_amount_adjustment_.set_value(quick_layer->get_param("amount").get(Real()));
 605                 disable_amount_changed_signal=false;
 606                 if(quick_layer->get_param("blend_method").is_valid())
 607                 {
 608                         blend_method_widget.set_sensitive(true);
 609                         disable_amount_changed_signal=true;
 610                         blend_method_widget.set_value(quick_layer->get_param("blend_method"));
 611                         disable_amount_changed_signal=false;
 612                 }
 613         }
 614 */
 615 }
 616
 617 void
 618 LayerTree::on_selection_changed()
 619 {
 620         synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
 621
 622         Gtk::TreeIter iter;
 623         if(last_top_selected_layer && !layer_tree_store_->find_layer_row(last_top_selected_layer,iter))
 624         {
 625                 if(layer_list.empty())
 626                 {
 627                         last_top_selected_layer=0;
 628                         layer_tree_view_->get_selection()->select(last_top_selected_path);
 629                         return;
 630                 }
 631         }
 632
 633
 634         {
 635                 if(!layer_list.empty())
 636                 {
 637                         last_top_selected_layer=layer_list.front();
 638                         last_top_selected_path=*layer_tree_view_->get_selection()->get_selected_rows().begin();
 639                 }
 640                 else
 641                 {
 642                         last_top_selected_layer=0;
 643                 }
 644         }
 645
 646
 647         if(layer_list.empty())
 648         {
 649                 button_raise->set_sensitive(false);
 650                 button_lower->set_sensitive(false);
 651                 button_duplicate->set_sensitive(false);
 652                 button_delete->set_sensitive(false);
 653                 layer_amount_hscale->set_sensitive(false);
 654                 blend_method_widget.set_sensitive(false);
 655                 return;
 656         }
 657
 658         button_raise->set_sensitive(true);
 659         button_lower->set_sensitive(true);
 660         button_duplicate->set_sensitive(true);
 661         button_delete->set_sensitive(true);
 662
 663         if(layer_list.size()==1 && (*layer_list.begin())->get_param("amount").is_valid()&& (*layer_list.begin())->get_param("amount").same_type_as(Real()))
 664         {
 665                 quick_layer=*layer_list.begin();
 666         }
 667         else
 668                 quick_layer=0;
 669
 670         if(quick_layer)
 671         {
 672                 layer_amount_hscale->set_sensitive(true);
 673                 disable_amount_changed_signal=true;
 674                 layer_amount_adjustment_.set_value(quick_layer->get_param("amount").get(Real()));
 675                 disable_amount_changed_signal=false;
 676                 if(quick_layer->get_param("blend_method").is_valid())
 677                 {
 678                         blend_method_widget.set_sensitive(true);
 679                         disable_amount_changed_signal=true;
 680                         blend_method_widget.set_value(quick_layer->get_param("blend_method"));
 681                         disable_amount_changed_signal=false;
 682                 }
 683                 else
 684                         blend_method_widget.set_sensitive(false);
 685         }
 686         else
 687         {
 688                 layer_amount_hscale->set_sensitive(false);
 689                 blend_method_widget.set_sensitive(false);
 690         }
 691 }
 692
 693
 694 void
 695 LayerTree::on_blend_method_changed()
 696 {
 697         if(disable_amount_changed_signal)
 698                 return;
 699         if(!quick_layer)
 700                 return;
 701
 702         if(quick_layer->get_param("blend_method").is_valid())
 703         {
 704                 disable_amount_changed_signal=true;
 705                 signal_edited_value()(synfigapp::ValueDesc(quick_layer,"blend_method"),blend_method_widget.get_value());
 706                 disable_amount_changed_signal=false;
 707         }
 708 }
 709
 710 void
 711 LayerTree::on_amount_value_changed()
 712 {
 713         if(disable_amount_changed_signal)
 714                 return;
 715         if(!quick_layer)
 716                 return;
 717
 718         disable_amount_changed_signal=true;
 719         signal_edited_value()(synfigapp::ValueDesc(quick_layer,"amount"),synfig::ValueBase(layer_amount_adjustment_.get_value()));
 720         disable_amount_changed_signal=false;
 721 }
 722
 723
 724 void
 725 LayerTree::on_edited_value(const Glib::ustring&path_string,synfig::ValueBase value)
 726 {
 727         Gtk::TreePath path(path_string);
 728
 729         const Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
 730         if(!row)
 731                 return;
 732         row[param_model.value]=value;
 733         //signal_edited_value()(row[param_model.value_desc],value);
 734 }
 735
 736 void
 737 LayerTree::on_layer_renamed(const Glib::ustring&path_string,const Glib::ustring& value)
 738 {
 739         Gtk::TreePath path(path_string);
 740
 741         const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 742         if(!row)
 743                 return;
 744         row[layer_model.label]=value;
 745 }
 746
 747 void
 748 LayerTree::on_layer_toggle(const Glib::ustring& path_string)
 749 {
 750         Gtk::TreePath path(path_string);
 751
 752         const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 753         bool active=static_cast<bool>(row[layer_model.active]);
 754         row[layer_model.active]=!active;
 755 }
 756
 757 void
 758 LayerTree::on_waypoint_clicked(const Glib::ustring &path_string, synfig::Waypoint waypoint,int button)
 759 {
 760         Gtk::TreePath path(path_string);
 761
 762         const Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
 763         if(!row)
 764                 return;
 765
 766         signal_waypoint_clicked()(static_cast<synfigapp::ValueDesc>(row[param_model.value_desc]),waypoint,button);
 767 }
 768
 769 bool
 770 LayerTree::on_layer_tree_event(GdkEvent *event)
 771 {
 772     switch(event->type)
 773     {
 774         case GDK_BUTTON_PRESS:
 775                 {
 776                         Gtk::TreeModel::Path path;
 777                         Gtk::TreeViewColumn *column;
 778                         int cell_x, cell_y;
 779                         if(!get_layer_tree_view().get_path_at_pos(
 780                                 int(event->button.x),int(event->button.y),      // x, y
 781                                 path, // TreeModel::Path&
 782                                 column, //TreeViewColumn*&
 783                                 cell_x,cell_y //int&cell_x,int&cell_y
 784                                 )
 785                         ) break;
 786                         const Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 787
 788                         //if(column->get_first_cell_renderer()==cellrenderer_time_track)
 789                         //      return signal_layer_user_click()(event->button.button,row,COLUMNID_TIME_TRACK);
 790                         //else
 791                                 if(column->get_first_cell_renderer()==cellrenderer_value)
 792                                 return signal_layer_user_click()(event->button.button,row,COLUMNID_VALUE);
 793                         else
 794                                 return signal_layer_user_click()(event->button.button,row,COLUMNID_NAME);
 795
 796                 }
 797                 break;
 798
 799         case GDK_MOTION_NOTIFY:
 800                 {
 801                         Gtk::TreeModel::Path path;
 802                         Gtk::TreeViewColumn *column;
 803                         int cell_x, cell_y;
 804                         if(!get_layer_tree_view().get_path_at_pos(
 805                                 (int)event->button.x,(int)event->button.y,      // x, y
 806                                 path, // TreeModel::Path&
 807                                 column, //TreeViewColumn*&
 808                                 cell_x,cell_y //int&cell_x,int&cell_y
 809                                 )
 810                         ) break;
 811
 812                         if(!get_layer_tree_view().get_model()->get_iter(path))
 813                                 break;
 814
 815                         Gtk::TreeRow row = *(get_layer_tree_view().get_model()->get_iter(path));
 816
 817                         /*
 818                         if(cellrenderer_time_track==column->get_first_cell_renderer())
 819                         {
 820                                 // Movement on TimeLine
 821                                 return true;
 822                         }
 823                         else
 824                                 */
 825                         if(last_tooltip_path.get_depth()<=0 || path!=last_tooltip_path)
 826                         {
 827                                 tooltips_.unset_tip(*this);
 828                                 Glib::ustring tooltips_string(row[layer_model.tooltip]);
 829                                 last_tooltip_path=path;
 830                                 if(!tooltips_string.empty())
 831                                 {
 832                                         tooltips_.set_tip(*this,tooltips_string);
 833                                         tooltips_.force_window();
 834                                 }
 835                         }
 836                 }
 837                 break;
 838         case GDK_BUTTON_RELEASE:
 839                 break;
 840         default:
 841                 break;
 842         }
 843         return false;
 844 }
 845
 846
 847 bool
 848 LayerTree::on_param_tree_event(GdkEvent *event)
 849 {
 850     switch(event->type)
 851     {
 852         case GDK_BUTTON_PRESS:
 853                 {
 854                         Gtk::TreeModel::Path path;
 855                         Gtk::TreeViewColumn *column;
 856                         int cell_x, cell_y;
 857                         if(!get_param_tree_view().get_path_at_pos(
 858                                 int(event->button.x),int(event->button.y),      // x, y
 859                                 path, // TreeModel::Path&
 860                                 column, //TreeViewColumn*&
 861                                 cell_x,cell_y //int&cell_x,int&cell_y
 862                                 )
 863                         ) break;
 864                         const Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
 865
 866 /*                      if(column && column->get_first_cell_renderer()==cellrenderer_time_track)
 867                         {
 868                                 Gdk::Rectangle rect;
 869                                 get_param_tree_view().get_cell_area(path,*column,rect);
 870                                 cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
 871                                 cellrenderer_time_track->property_canvas()=row[param_model.canvas];
 872                                 cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
 873                                 get_param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
 874                                 return true;
 875                                 //return signal_param_user_click()(event->button.button,row,COLUMNID_TIME_TRACK);
 876                         }
 877                         else
 878 */                      {
 879                                 if(event->button.button==3)
 880                                 {
 881                                         LayerList layer_list(get_selected_layers());
 882                                         if(layer_list.size()<=1)
 883                                         {
 884                                                 synfigapp::ValueDesc value_desc(row[param_model.value_desc]);
 885                                                 Gtk::Menu* menu(manage(new Gtk::Menu()));
 886                                                 menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
 887                                                 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);
 888                                                 menu->popup(event->button.button,gtk_get_current_event_time());
 889                                                 return true;
 890                                         }
 891                                         Gtk::Menu* menu(manage(new Gtk::Menu()));
 892                                         menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
 893                                         std::list<synfigapp::ValueDesc> value_desc_list;
 894                                         ParamDesc param_desc(row[param_model.param_desc]);
 895                                         for(;!layer_list.empty();layer_list.pop_back())
 896                                                 value_desc_list.push_back(synfigapp::ValueDesc(layer_list.back(),param_desc.get_name()));
 897                                         App::get_instance(param_tree_store_->canvas_interface()->get_canvas())->make_param_menu(menu,param_tree_store_->canvas_interface()->get_canvas(),value_desc_list);
 898                                         menu->popup(event->button.button,gtk_get_current_event_time());
 899                                         return true;
 900                                 }
 901                                 else
 902                                 {
 903                                         if(column->get_first_cell_renderer()==cellrenderer_value)
 904                                                 return signal_param_user_click()(event->button.button,row,COLUMNID_VALUE);
 905                                         else
 906                                                 return signal_param_user_click()(event->button.button,row,COLUMNID_NAME);
 907                                 }
 908                         }
 909                 }
 910                 break;
 911
 912         case GDK_MOTION_NOTIFY:
 913                 {
 914                         Gtk::TreeModel::Path path;
 915                         Gtk::TreeViewColumn *column;
 916                         int cell_x, cell_y;
 917                         if(!get_param_tree_view().get_path_at_pos(
 918                                 (int)event->motion.x,(int)event->motion.y,      // x, y
 919                                 path, // TreeModel::Path&
 920                                 column, //TreeViewColumn*&
 921                                 cell_x,cell_y //int&cell_x,int&cell_y
 922                                 )
 923                         ) break;
 924
 925                         if(!get_param_tree_view().get_model()->get_iter(path))
 926                                 break;
 927
 928                         Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
 929
 930 /*                      if((event->motion.state&GDK_BUTTON1_MASK ||event->motion.state&GDK_BUTTON3_MASK) && column && cellrenderer_time_track==column->get_first_cell_renderer())
 931                         {
 932                                 Gdk::Rectangle rect;
 933                                 get_param_tree_view().get_cell_area(path,*column,rect);
 934                                 cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
 935                                 cellrenderer_time_track->property_canvas()=row[param_model.canvas];
 936                                 cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
 937                                 get_param_tree_view().queue_draw();
 938                                 //get_param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
 939                                 return true;
 940                         }
 941                         else
 942 */                      if(last_tooltip_path.get_depth()<=0 || path!=last_tooltip_path)
 943                         {
 944                                 tooltips_.unset_tip(*this);
 945                                 Glib::ustring tooltips_string(row[layer_model.tooltip]);
 946                                 last_tooltip_path=path;
 947                                 if(!tooltips_string.empty())
 948                                 {
 949                                         tooltips_.set_tip(*this,tooltips_string);
 950                                         tooltips_.force_window();
 951                                 }
 952                         }
 953                 }
 954                 break;
 955         case GDK_BUTTON_RELEASE:
 956                 {
 957                         Gtk::TreeModel::Path path;
 958                         Gtk::TreeViewColumn *column;
 959                         int cell_x, cell_y;
 960                         if(!get_param_tree_view().get_path_at_pos(
 961                                 (int)event->button.x,(int)event->button.y,      // x, y
 962                                 path, // TreeModel::Path&
 963                                 column, //TreeViewColumn*&
 964                                 cell_x,cell_y //int&cell_x,int&cell_y
 965                                 )
 966                         ) break;
 967
 968                         if(!get_param_tree_view().get_model()->get_iter(path))
 969                                 break;
 970
 971                         Gtk::TreeRow row = *(get_param_tree_view().get_model()->get_iter(path));
 972
 973 /*                      if(column && cellrenderer_time_track==column->get_first_cell_renderer())
 974                         {
 975                                 Gdk::Rectangle rect;
 976                                 get_param_tree_view().get_cell_area(path,*column,rect);
 977                                 cellrenderer_time_track->property_value_desc()=row[param_model.value_desc];
 978                                 cellrenderer_time_track->property_canvas()=row[param_model.canvas];
 979                                 cellrenderer_time_track->activate(event,*this,path.to_string(),rect,rect,Gtk::CellRendererState());
 980                                 get_param_tree_view().queue_draw();
 981                                 get_param_tree_view().queue_draw_area(rect.get_x(),rect.get_y(),rect.get_width(),rect.get_height());
 982                                 return true;
 983
 984                         }
 985 */
 986                 }
 987                 break;
 988         default:
 989                 break;
 990         }
 991         return false;
 992 }
 993
 994 void
 995 LayerTree::on_raise_pressed()
 996 {
 997         synfigapp::Action::ParamList param_list;
 998         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
 999         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
1000         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
1001
1002         {
1003                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
1004                 synfigapp::SelectionManager::LayerList::iterator iter;
1005
1006                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
1007                         param_list.add("layer",Layer::Handle(*iter));
1008         }
1009         synfigapp::Action::Handle action(synfigapp::Action::create("layer_raise"));
1010         action->set_param_list(param_list);
1011         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1012 }
1013
1014 void
1015 LayerTree::on_lower_pressed()
1016 {
1017         synfigapp::Action::ParamList param_list;
1018         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
1019         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
1020         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
1021
1022         {
1023                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
1024                 synfigapp::SelectionManager::LayerList::iterator iter;
1025
1026                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
1027                         param_list.add("layer",Layer::Handle(*iter));
1028         }
1029
1030         synfigapp::Action::Handle action(synfigapp::Action::create("layer_lower"));
1031         action->set_param_list(param_list);
1032         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1033 }
1034
1035 void
1036 LayerTree::on_duplicate_pressed()
1037 {
1038         synfigapp::Action::ParamList param_list;
1039         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
1040         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
1041         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
1042
1043         {
1044                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
1045                 synfigapp::SelectionManager::LayerList::iterator iter;
1046
1047                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
1048                         param_list.add("layer",Layer::Handle(*iter));
1049         }
1050
1051         synfigapp::Action::Handle action(synfigapp::Action::create("layer_duplicate"));
1052         action->set_param_list(param_list);
1053         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1054 }
1055
1056 void
1057 LayerTree::on_delete_pressed()
1058 {
1059         synfigapp::Action::ParamList param_list;
1060         param_list.add("time",layer_tree_store_->canvas_interface()->get_time());
1061         param_list.add("canvas",layer_tree_store_->canvas_interface()->get_canvas());
1062         param_list.add("canvas_interface",layer_tree_store_->canvas_interface());
1063
1064         {
1065                 synfigapp::SelectionManager::LayerList layer_list(get_selection_manager()->get_selected_layers());
1066                 synfigapp::SelectionManager::LayerList::iterator iter;
1067
1068                 for(iter=layer_list.begin();iter!=layer_list.end();++iter)
1069                         param_list.add("layer",Layer::Handle(*iter));
1070         }
1071
1072         synfigapp::Action::Handle action(synfigapp::Action::create("layer_remove"));
1073         action->set_param_list(param_list);
1074         layer_tree_store_->canvas_interface()->get_instance()->perform_action(action);
1075 }
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096 /*
1097 void
1098 LayerTree::on_drag_data_get(const Glib::RefPtr<Gdk::DragContext>&context, Gtk::SelectionData& selection_data, guint info, guint time)
1099 {
1100         synfig::info("Dragged data of type \"%s\"",selection_data.get_data_type());
1101         synfig::info("Dragged data of target \"%s\"",gdk_atom_name(selection_data->target));
1102         synfig::info("Dragged selection=\"%s\"",gdk_atom_name(selection_data->selection));
1103
1104         DEBUGPOINT();
1105
1106         Gtk::TreeModel::Path path;
1107         Gtk::TreeViewColumn *column;
1108         int cell_x, cell_y;
1109         if(get_selection()
1110         Gtk::TreeRow row = *(get_selection()->get_selected());
1111         DEBUGPOINT();
1112
1113         if(synfig::String(gdk_atom_name(selection_data->target))=="LAYER" && (bool)row[model.is_layer])
1114         {
1115                 DEBUGPOINT();
1116                 Layer* layer(((Layer::Handle)row[model.layer]).get());
1117                 assert(layer);
1118                 selection_data.set(8, reinterpret_cast<const guchar*>(&layer), sizeof(layer));
1119                 return;
1120         }
1121         DEBUGPOINT();
1122 }
1123
1124 void
1125 LayerTree::on_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, Gtk::SelectionData& selection_data, guint info, guint time)
1126 {
1127         synfig::info("Dropped data of type \"%s\"",selection_data.get_data_type());
1128         synfig::info("Dropped data of target \"%s\"",gdk_atom_name(selection_data->target));
1129         synfig::info("Dropped selection=\"%s\"",gdk_atom_name(selection_data->selection));
1130         synfig::info("Dropped x=%d, y=%d",x,y);
1131         bool success=false;
1132         bool dropped_on_specific_row=false;
1133
1134         Gtk::TreeModel::Path path;
1135         Gtk::TreeViewColumn *column;
1136         int cell_x, cell_y;
1137         if(!get_path_at_pos(
1138                 x,y,    // x, y
1139                 path, // TreeModel::Path&
1140                 column, //TreeViewColumn*&
1141                 cell_x,cell_y //int&cell_x,int&cell_y
1142                 )
1143         )
1144         {
1145                 dropped_on_specific_row=false;
1146         }
1147         else
1148                 dropped_on_specific_row=true;
1149
1150         Gtk::TreeRow row = *(get_model()->get_iter(path));
1151
1152
1153         if ((selection_data.get_length() >= 0) && (selection_data.get_format() == 8))
1154         {
1155                 if(synfig::String(selection_data.get_data_type())=="LAYER")do
1156                 {
1157                         Layer::Handle src(*reinterpret_cast<Layer**>(selection_data.get_data()));
1158                         assert(src);
1159
1160                         Canvas::Handle dest_canvas;
1161                         Layer::Handle dest_layer;
1162
1163                         if(dropped_on_specific_row)
1164                         {
1165                                 dest_canvas=(Canvas::Handle)(row[model.canvas]);
1166                                 dest_layer=(Layer::Handle)(row[model.layer]);
1167                                 assert(dest_canvas);
1168                         }
1169                         else
1170                                 dest_canvas=layer_tree_store_->canvas_interface()->get_canvas();
1171
1172                         // In this case, we are just moving.
1173                         if(dest_canvas==src->get_canvas())
1174                         {
1175                                 if(!dest_layer || dest_layer==src)
1176                                         break;
1177
1178                                 synfigapp::Action::Handle action(synfigapp::Action::create("layer_move"));
1179                                 action->set_param("canvas",dest_canvas);
1180                                 action->set_param("canvas_interface",layer_tree_store_->canvas_interface());
1181                                 action->set_param("layer",src);
1182                                 action->set_param("new_index",dest_canvas->get_depth(dest_layer));
1183                                 if(layer_tree_store_->canvas_interface()->get_instance()->perform_action(action))
1184                                         success=true;
1185                                 else
1186                                         success=false;
1187                                 break;
1188                         }
1189                 }while(0);
1190         }
1191
1192         // Finish the drag
1193         context->drag_finish(success, false, time);
1194 }
1195 */
1196
1197 /*bool
1198 LayerTree::on_drag_motion(const Glib::RefPtr<Gdk::DragContext>& context,int x, int    y, guint    time)
1199 {
1200         return get_layer_tree_view().on_drag_motion(context,x,y,time);
1201 }
1202
1203 void
1204 LayerTree::on_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, Gtk::SelectionData& selection_data, guint info, guint time)
1205 {
1206         get_layer_tree_view().on_drag_data_received(context,x,y,selection_data,info,time);
1207 */
1208 /*
1209         if(context->gobj()->source_window==context->gobj()->dest_window)
1210         {
1211                 Gtk::TreeView::on_drag_data_received(context,x,y,selection_data,info,time);
1212                 return;
1213         }
1214
1215         Gtk::TreeModel::Path path;
1216         Gtk::TreeViewColumn *column;
1217         int cell_x, cell_y;
1218         if(!get_path_at_pos(
1219                 x,y,    // x, y
1220                 path, // TreeModel::Path&
1221                 column, //TreeViewColumn*&
1222                 cell_x,cell_y //int&cell_x,int&cell_y
1223                 )
1224         )
1225         {
1226                 context->drag_finish(false, false, time);
1227         }
1228
1229         if(layer_tree_store_->row_drop_possible(path,selection_data))
1230         {
1231                 if(layer_tree_store_->drag_data_received(path,selection_data))
1232                         context->drag_finish(true, false, time);
1233         }
1234         context->drag_finish(false, false, time);
1235 }
1236 */