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

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