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

   1 /*! ========================================================================
   2 ** Synfig
   3 ** Template File
   4 ** $Id: compview.cpp,v 1.1.1.1 2005/01/07 03:34:36 darco Exp $
   5 **
   6 ** Copyright (c) 2002 Robert B. Quattlebaum Jr.
   7 **
   8 ** This software and associated documentation
   9 ** are CONFIDENTIAL and PROPRIETARY property of
  10 ** the above-mentioned copyright holder.
  11 **
  12 ** You may not copy, print, publish, or in any
  13 ** other way distribute this software without
  14 ** a prior written agreement with
  15 ** the copyright holder.
  16 **
  17 ** === N O T E S ===========================================================
  18 **
  19 ** ========================================================================= */
  20
  21 /* === H E A D E R S ======================================================= */
  22
  23 #ifdef USING_PCH
  24 #       include "pch.h"
  25 #else
  26 #ifdef HAVE_CONFIG_H
  27 #       include <config.h>
  28 #endif
  29
  30 #include "compview.h"
  31 #include "app.h"
  32 #include <gtkmm/scrolledwindow.h>
  33 #include <cassert>
  34 #include <iostream>
  35 #include "instance.h"
  36 #include <sigc++/signal.h>
  37 #include <sigc++/hide.h>
  38 #include <sigc++/slot.h>
  39 #include "canvasview.h"
  40 #include <synfigapp/action.h>
  41
  42 #endif
  43
  44 /* === M A C R O S ========================================================= */
  45
  46 #define ADD_TOOLBOX_BUTTON(button,stockid,tooltip)      \
  47         Gtk::Button *button = manage(new class Gtk::Button());  \
  48         button->add(*manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4))));   \
  49         tooltips.set_tip(*button,tooltip);      \
  50         button->show_all()
  51
  52 using namespace std;
  53 using namespace etl;
  54 using namespace synfig;
  55 using namespace studio;
  56
  57 #define COLUMNID_JUMP           (787584)
  58 #define ColumnID        int
  59
  60 /* === G L O B A L S ======================================================= */
  61
  62 /* === P R O C E D U R E S ================================================= */
  63
  64 /* === M E T H O D S ======================================================= */
  65
  66 CompView::CompView():
  67         Gtk::Window(Gtk::WINDOW_TOPLEVEL),
  68         dialog_settings(this,"compview")
  69 {
  70         init_menu();
  71         set_type_hint(Gdk::WINDOW_TYPE_HINT_UTILITY);
  72
  73         Gtk::Table *table = manage(new class Gtk::Table(2, 1, false));
  74
  75
  76         table->attach(*create_instance_selector(), 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
  77
  78         notebook=manage(new class Gtk::Notebook());
  79
  80         table->attach(*notebook, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
  81
  82         notebook->append_page(*create_canvas_tree(),"Canvases");
  83         notebook->append_page(*create_action_tree(),"History");
  84
  85
  86
  87 /*
  88
  89         studio::Instance::ImageColumnModel image_column_model;
  90         image_list=manage(new class Gtk::TreeView());
  91         image_list->append_column("Name",image_column_model.name);
  92         image_list->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_image_activate));
  93         image_list->set_rules_hint();
  94
  95         Gtk::Table *image_page = manage(new class Gtk::Table(2, 1, false));
  96         Gtk::ScrolledWindow *image_list_scroll = manage(new class Gtk::ScrolledWindow());
  97         image_list_scroll->set_flags(Gtk::CAN_FOCUS);
  98         image_list_scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
  99         image_list_scroll->add(*image_list);
 100         image_page->attach(*image_list_scroll, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 101         Gtk::HBox *image_buttons=manage(new class Gtk::HBox());
 102         image_page->attach(*image_buttons, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 103         ADD_TOOLBOX_BUTTON(button_image_new,"gtk-new","Create a new image");
 104         ADD_TOOLBOX_BUTTON(button_image_delete,"gtk-delete","Delete image");
 105         ADD_TOOLBOX_BUTTON(button_image_rename,"gtk-rename","Rename image");
 106         ADD_TOOLBOX_BUTTON(button_image_copy,"gtk-copy","Duplicate image");
 107         button_image_new->signal_clicked().connect(sigc::mem_fun(*this,&CompView::new_image));
 108         button_image_delete->signal_clicked().connect(sigc::mem_fun(*this,&CompView::delete_image));
 109         button_image_rename->signal_clicked().connect(sigc::mem_fun(*this,&CompView::rename_image));
 110         button_image_copy->signal_clicked().connect(sigc::mem_fun(*this,&CompView::copy_image));
 111         image_buttons->pack_start(*button_image_new);
 112         image_buttons->pack_start(*button_image_delete);
 113         image_buttons->pack_start(*button_image_rename);
 114         image_buttons->pack_start(*button_image_copy);
 115
 116         studio::Instance::ValueNodeColumnModel valuenode_column_model;
 117         valuenode_list=manage(new class Gtk::TreeView());
 118         valuenode_list->append_column("Name",valuenode_column_model.name);
 119         valuenode_list->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_valuenode_activate));
 120         valuenode_list->set_rules_hint();
 121
 122         Gtk::Table *valuenode_page = manage(new class Gtk::Table(2, 1, false));
 123         Gtk::ScrolledWindow *valuenode_list_scroll = manage(new class Gtk::ScrolledWindow());
 124         valuenode_list_scroll->set_flags(Gtk::CAN_FOCUS);
 125         valuenode_list_scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 126         valuenode_list_scroll->add(*valuenode_list);
 127         valuenode_page->attach(*valuenode_list_scroll, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 128         Gtk::HBox *valuenode_buttons=manage(new class Gtk::HBox());
 129         valuenode_page->attach(*valuenode_buttons, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 130         ADD_TOOLBOX_BUTTON(button_valuenode_new,"gtk-new","Create a new value_node");
 131         ADD_TOOLBOX_BUTTON(button_valuenode_delete,"gtk-delete","Delete value_node");
 132         ADD_TOOLBOX_BUTTON(button_valuenode_rename,"gtk-rename","Rename value_node");
 133         ADD_TOOLBOX_BUTTON(button_valuenode_copy,"gtk-copy","Duplicate value_node");
 134         button_valuenode_new->signal_clicked().connect(sigc::mem_fun(*this,&CompView::new_value_node));
 135         button_valuenode_delete->signal_clicked().connect(sigc::mem_fun(*this,&CompView::delete_value_node));
 136         button_valuenode_rename->signal_clicked().connect(sigc::mem_fun(*this,&CompView::rename_value_node));
 137         button_valuenode_copy->signal_clicked().connect(sigc::mem_fun(*this,&CompView::copy_value_node));
 138         valuenode_buttons->pack_start(*button_valuenode_new);
 139         valuenode_buttons->pack_start(*button_valuenode_delete);
 140         valuenode_buttons->pack_start(*button_valuenode_rename);
 141         valuenode_buttons->pack_start(*button_valuenode_copy);
 142
 143
 144         notebook->append_page(*image_page,"Images");
 145         notebook->append_page(*valuenode_page,"ValueNodes");
 146
 147         image_page->show_all();
 148         valuenode_page->show_all();
 149 */
 150 //      notebook->set_current_page(0);
 151         signal_delete_event().connect(sigc::hide(sigc::mem_fun(*this, &CompView::close)));
 152         App::signal_instance_created().connect(sigc::mem_fun(*this,&studio::CompView::new_instance));
 153         App::signal_instance_deleted().connect(sigc::mem_fun(*this,&studio::CompView::delete_instance));
 154         App::signal_instance_selected().connect(sigc::mem_fun(*this,&studio::CompView::set_selected_instance_signal));
 155
 156         table->show_all();
 157         add(*table);
 158
 159
 160         set_title("Canvas Browser");
 161         set_modal(false);
 162         set_resizable(true);
 163         property_window_position().set_value(Gtk::WIN_POS_NONE);
 164         set_default_size(200,300);
 165 }
 166
 167 CompView::~CompView()
 168 {
 169 }
 170
 171 etl::loose_handle<studio::CanvasView>
 172 CompView::get_selected_canvas_view()
 173 {
 174         return get_selected_instance()->find_canvas_view(get_selected_canvas());
 175 }
 176
 177 Gtk::Widget*
 178 CompView::create_canvas_tree()
 179 {
 180         studio::Instance::CanvasTreeModel canvas_tree_model;
 181         canvas_tree=manage(new class Gtk::TreeView());
 182         {
 183                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("ID") );
 184 //              Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 185
 186                 //column->pack_start(*icon_cellrenderer,false);
 187                 column->pack_start(canvas_tree_model.icon, false); //false = don't expand.
 188                 column->pack_start(canvas_tree_model.label);
 189
 190 //#ifdef NDEBUG
 191 //              column->add_attribute(icon_cellrenderer->property_pixbuf(), canvas_tree_model.icon);
 192 //#endif
 193
 194                 canvas_tree->append_column(*column);
 195         }
 196         canvas_tree->set_rules_hint();
 197         canvas_tree->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_row_activate));
 198         canvas_tree->signal_event().connect(sigc::mem_fun(*this,&CompView::on_tree_event));
 199         canvas_tree->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 200         canvas_tree->add_events(Gdk::BUTTON1_MOTION_MASK);
 201         canvas_tree->show();
 202
 203         Gtk::ScrolledWindow *scrolledwindow = manage(new class Gtk::ScrolledWindow());
 204         scrolledwindow->set_flags(Gtk::CAN_FOCUS);
 205         scrolledwindow->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 206         scrolledwindow->add(*canvas_tree);
 207         scrolledwindow->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 208         scrolledwindow->show();
 209
 210         return scrolledwindow;
 211 }
 212
 213 Gtk::Widget*
 214 CompView::create_action_tree()
 215 {
 216         studio::HistoryTreeStore::Model history_tree_model;
 217         action_tree=manage(new class Gtk::TreeView());
 218         {
 219                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("") );
 220
 221                 Gtk::CellRendererToggle* toggle_cr = Gtk::manage( new Gtk::CellRendererToggle() );
 222                 toggle_cr->signal_toggled().connect(sigc::mem_fun(*this, &studio::CompView::on_action_toggle) );
 223
 224                 column->pack_start(*toggle_cr); //false = don't expand.
 225                 column->add_attribute(toggle_cr->property_active(),history_tree_model.is_active);
 226                 column->set_resizable();
 227                 column->set_clickable();
 228
 229                 action_tree->append_column(*column);
 230         }
 231         /*{
 232                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("Canvas") );
 233                 Gtk::CellRendererText *text_cr=Gtk::manage(new Gtk::CellRendererText());
 234                 text_cr->property_foreground()=Glib::ustring("#7f7f7f");
 235
 236                 column->pack_start(*text_cr);
 237                 column->add_attribute(text_cr->property_text(),history_tree_model.canvas_id);
 238                 column->add_attribute(text_cr->property_foreground_set(),history_tree_model.is_redo);
 239
 240                 action_tree->append_column(*column);
 241         }*/
 242         {
 243                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Jump")) );
 244
 245                 Gtk::CellRendererText* cell_renderer_jump=Gtk::manage(new Gtk::CellRendererText());
 246                 column->pack_start(*cell_renderer_jump,true);
 247
 248                 cell_renderer_jump->property_text()="(JMP)";
 249                 cell_renderer_jump->property_foreground()="#003a7f";
 250
 251                 column->set_resizable();
 252                 column->set_clickable();
 253
 254                 column->set_sort_column_id(COLUMNID_JUMP);
 255
 256                 action_tree->append_column(*column);
 257                 //column->clicked();
 258         }
 259         {
 260                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("Action") );
 261
 262                 Gtk::CellRendererText *text_cr=Gtk::manage(new Gtk::CellRendererText());
 263                 text_cr->property_foreground()=Glib::ustring("#7f7f7f");
 264
 265
 266
 267                 //column->pack_start(history_tree_model.icon, false); //false = don't expand.
 268                 column->pack_start(*text_cr);
 269                 column->add_attribute(text_cr->property_text(),history_tree_model.name);
 270                 column->add_attribute(text_cr->property_foreground_set(),history_tree_model.is_redo);
 271
 272                 action_tree->append_column(*column);
 273         }
 274
 275
 276         action_tree->set_rules_hint();
 277 //      action_tree->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_row_activate));
 278         action_tree->signal_event().connect(sigc::mem_fun(*this,&CompView::on_action_event));
 279 //      action_tree->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 280 //      action_tree->add_events(Gdk::BUTTON1_MOTION_MASK);
 281         action_tree->show();
 282
 283         Gtk::ScrolledWindow *scrolledwindow = manage(new class Gtk::ScrolledWindow());
 284         scrolledwindow->set_flags(Gtk::CAN_FOCUS);
 285         scrolledwindow->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 286         scrolledwindow->add(*action_tree);
 287         scrolledwindow->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 288         scrolledwindow->show();
 289
 290         Gtk::Button* clear_button(manage(new Gtk::Button(_("Clear Undo"))));
 291         clear_button->signal_pressed().connect(sigc::mem_fun(*this,&studio::CompView::clear_history));
 292
 293         Gtk::Button* clear_redo_button(manage(new Gtk::Button(_("Clear Redo"))));
 294         clear_redo_button->signal_pressed().connect(sigc::mem_fun(*this,&studio::CompView::clear_redo));
 295
 296         Gtk::Table* table(manage(new Gtk::Table()));
 297         table->attach(*scrolledwindow, 0, 2, 0,1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 298         table->attach(*clear_button, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 299         table->attach(*clear_redo_button, 1, 2, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 300
 301         table->show_all();
 302
 303         return table;
 304 }
 305
 306 Gtk::Widget*
 307 CompView::create_instance_selector()
 308 {
 309         instance_selector=manage(new class Gtk::OptionMenu());
 310         instance_selector->show();
 311         instance_selector->set_menu(instance_list_menu);
 312         return instance_selector;
 313 }
 314
 315 bool
 316 CompView::close()
 317 {
 318         hide();
 319         return true;
 320 }
 321
 322 void
 323 CompView::clear_history()
 324 {
 325         if(selected_instance && App::dialog_yes_no(_("Clear History"), _("You will not be able to undo any changes that you have made!\nAre you sure you want to clear the undo stack?")))
 326         {
 327                 selected_instance->clear_undo_stack();
 328         }
 329 }
 330
 331 void
 332 CompView::clear_redo()
 333 {
 334         if(selected_instance && App::dialog_yes_no(_("Clear History"), _("You will not be able to redo any changes that you have made!\nAre you sure you want to clear the redo stack?")))
 335         {
 336                 selected_instance->clear_redo_stack();
 337         }
 338 }
 339
 340 void
 341 CompView::init_menu()
 342 {
 343         menu.items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 344         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-canvas_new"),
 345                 sigc::mem_fun(*this,&CompView::menu_new_canvas)));
 346         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("gtk-delete"),
 347                 sigc::mem_fun(*this,&CompView::menu_delete)));
 348         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-rename"),
 349                 sigc::mem_fun(*this,&CompView::menu_rename)));
 350 }
 351
 352 etl::loose_handle<synfig::Canvas>
 353 CompView::get_selected_canvas()
 354 {
 355         Glib::RefPtr<Gtk::TreeSelection> selection=canvas_tree->get_selection();
 356
 357         if(!selection || !selection->get_selected())
 358                 return 0;
 359
 360         studio::Instance::CanvasTreeModel canvas_tree_model;
 361
 362         return static_cast<etl::handle<synfig::Canvas> >((*selection->get_selected())[canvas_tree_model.canvas]);
 363 }
 364
 365 void
 366 CompView::menu_new_canvas()
 367 {
 368 #warning Update Me!
 369 #if 0
 370         get_selected_canvas_view()->new_child_canvas();
 371 #endif
 372 }
 373
 374 void
 375 CompView::menu_delete()
 376 {
 377         studio::App::dialog_not_implemented();
 378 }
 379
 380 void
 381 CompView::menu_rename()
 382 {
 383         studio::App::dialog_not_implemented();
 384 }
 385
 386 void
 387 CompView::set_selected_instance_signal(etl::handle<studio::Instance> x)
 388 {
 389         set_selected_instance(x);
 390 }
 391
 392 void
 393 CompView::set_selected_instance_(etl::handle<studio::Instance> instance)
 394 {
 395         if(studio::App::shutdown_in_progress)
 396                 return;
 397
 398         selected_instance=instance;
 399         if(instance)
 400         {
 401                 canvas_tree->set_model(instance->canvas_tree_store());
 402                 action_tree->set_model(instance->history_tree_store());
 403                 canvas_tree->show();
 404                 action_tree->show();
 405         }
 406         else
 407         {
 408                 canvas_tree->set_model(Glib::RefPtr< Gtk::TreeModel >());
 409                 action_tree->set_model(Glib::RefPtr< Gtk::TreeModel >());
 410                 canvas_tree->hide();
 411                 action_tree->hide();
 412         }
 413 }
 414
 415 void
 416 CompView::set_selected_instance(etl::loose_handle<studio::Instance> x)
 417 {
 418         if(studio::App::shutdown_in_progress)
 419                 return;
 420
 421         // if it's already selected, don't select it again
 422         if (x==selected_instance)
 423                 return;
 424
 425         std::list<etl::handle<studio::Instance> >::iterator iter;
 426
 427         if(x)
 428         {
 429                 int i;
 430                 for(i=0,iter=studio::App::instance_list.begin();iter!=studio::App::instance_list.end() && ((*iter)!=x);iter++,i++);
 431
 432                 assert(*iter==x);
 433
 434                 instance_selector->set_history(i);
 435         }
 436         else
 437                 instance_selector->set_history(0);
 438
 439         set_selected_instance_(x);
 440 }
 441
 442 void
 443 CompView::new_instance(etl::handle<studio::Instance> instance)
 444 {
 445         if(studio::App::shutdown_in_progress)
 446                 return;
 447
 448         assert(instance);
 449
 450         etl::loose_handle<studio::Instance> loose_instance(instance);
 451
 452         instance->synfigapp::Instance::signal_filename_changed().connect(sigc::mem_fun(*this,&CompView::refresh_instances));
 453         instance->synfigapp::Instance::signal_filename_changed().connect(
 454                 sigc::bind<etl::loose_handle<studio::Instance> >(
 455                         sigc::mem_fun(*this,&CompView::set_selected_instance),
 456                         loose_instance
 457                 )
 458         );
 459
 460         {
 461                 std::string name=basename(instance->get_file_name());
 462
 463                 instance_list_menu.items().push_back(Gtk::Menu_Helpers::MenuElem(name,
 464                         sigc::bind<etl::loose_handle<studio::Instance> >(sigc::mem_fun(&studio::App::set_selected_instance),loose_instance)     ));
 465         }
 466 }
 467
 468 void
 469 CompView::delete_instance(etl::handle<studio::Instance> instance)
 470 {
 471         if(studio::App::shutdown_in_progress)
 472                 return;
 473
 474         refresh_instances();
 475
 476         if(selected_instance==instance)
 477         {
 478                 set_selected_instance(0);
 479                 instance_selector->set_history(0);
 480         }
 481 }
 482
 483 void
 484 CompView::refresh_instances()
 485 {
 486         if(studio::App::shutdown_in_progress)
 487                 return;
 488
 489         if(!instance_list_menu.items().empty())
 490                 instance_list_menu.items().clear();
 491
 492         std::list<etl::handle<studio::Instance> >::iterator iter;
 493         for(iter=studio::App::instance_list.begin();iter!=studio::App::instance_list.end();iter++)
 494         {
 495                 std::string name=basename((*iter)->get_file_name());
 496
 497                 instance_list_menu.items().push_back(Gtk::Menu_Helpers::MenuElem(name,
 498                         sigc::bind<etl::loose_handle<studio::Instance> >(sigc::mem_fun(&studio::App::set_selected_instance),*iter)      ));
 499         }
 500         instance_selector->set_menu(instance_list_menu);
 501 }
 502
 503 void
 504 CompView::on_row_activate(const Gtk::TreeModel::Path &path, Gtk::TreeViewColumn *)
 505 {
 506         assert(get_selected_instance());
 507         studio::Instance::CanvasTreeModel canvas_tree_model;
 508         const Gtk::TreeRow row = *(get_selected_instance()->canvas_tree_store()->get_iter(path));
 509         if(row[canvas_tree_model.is_canvas])
 510                 get_selected_instance()->focus(row[canvas_tree_model.canvas]);
 511         else
 512                 studio::App::dialog_not_implemented();
 513 }
 514
 515 bool
 516 CompView::on_action_event(GdkEvent *event)
 517 {
 518         studio::HistoryTreeStore::Model model;
 519     switch(event->type)
 520     {
 521         case GDK_BUTTON_PRESS:
 522         case GDK_2BUTTON_PRESS:
 523                 {
 524                         Gtk::TreeModel::Path path;
 525                         Gtk::TreeViewColumn *column;
 526                         int cell_x, cell_y;
 527                         if(!action_tree->get_path_at_pos(
 528                                 int(event->button.x),int(event->button.y),      // x, y
 529                                 path, // TreeModel::Path&
 530                                 column, //TreeViewColumn*&
 531                                 cell_x,cell_y //int&cell_x,int&cell_y
 532                                 )
 533                         ) break;
 534                         const Gtk::TreeRow row = *(action_tree->get_model()->get_iter(path));
 535
 536                         //signal_user_click()(event->button.button,row,(ColumnID)column->get_sort_column_id());
 537                         if((ColumnID)column->get_sort_column_id()==COLUMNID_JUMP)
 538                         {
 539                                 etl::handle<synfigapp::Action::Undoable> action(row[model.action]);
 540                                 if((bool)row[model.is_undo])
 541                                 {
 542                                         while(get_selected_instance()->undo_action_stack().size() && get_selected_instance()->undo_action_stack().front()!=action)
 543                                                 get_selected_instance()->undo();
 544                                 }
 545                                 else if((bool)row[model.is_redo])
 546                                 {
 547                                         while(get_selected_instance()->redo_action_stack().size() && get_selected_instance()->undo_action_stack().front()!=action)
 548                                                 get_selected_instance()->redo();
 549                                 }
 550                         }
 551                 }
 552
 553         case GDK_BUTTON_RELEASE:
 554                 break;
 555         default:
 556                 break;
 557         }
 558         return false;
 559 }
 560
 561 bool
 562 CompView::on_tree_event(GdkEvent *event)
 563 {
 564     switch(event->type)
 565     {
 566         case GDK_BUTTON_PRESS:
 567                 switch(event->button.button)
 568                 {
 569                 case 3:
 570                 if(get_selected_canvas())
 571                 {
 572                         menu.items().clear();
 573
 574                         synfigapp::Action::ParamList param_list;
 575                         param_list.add("canvas",synfig::Canvas::Handle(get_selected_canvas()));
 576                         param_list.add("canvas_interface",get_selected_instance()->find_canvas_interface(get_selected_canvas()));
 577                         get_selected_instance()->find_canvas_view(get_selected_canvas())->add_actions_to_menu(&menu, param_list,synfigapp::Action::CATEGORY_CANVAS);
 578                         menu.popup(0,0);
 579                         menu.show();
 580                         break;
 581                 }
 582                 default:
 583                         break;
 584                 }
 585                 break;
 586         case GDK_MOTION_NOTIFY:
 587                 break;
 588         case GDK_BUTTON_RELEASE:
 589                 break;
 590         default:
 591                 break;
 592         }
 593         return false;
 594 }
 595
 596 void
 597 CompView::on_action_toggle(const Glib::ustring& path_string)
 598 {
 599         studio::HistoryTreeStore::Model history_tree_model;
 600
 601         Gtk::TreePath path(path_string);
 602
 603         const Gtk::TreeRow row = *(selected_instance->history_tree_store()->get_iter(path));
 604
 605         handle<synfigapp::Action::Undoable> action=row[history_tree_model.action];
 606
 607         selected_instance->synfigapp::Instance::set_action_status(action,!action->is_active());
 608 }