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) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   7 **
   8 **      This package is free software; you can redistribute it and/or
   9 **      modify it under the terms of the GNU General Public License as
  10 **      published by the Free Software Foundation; either version 2 of
  11 **      the License, or (at your option) any later version.
  12 **
  13 **      This package is distributed in the hope that it will be useful,
  14 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 **      General Public License for more details.
  17 **
  18 ** === N O T E S ===========================================================
  19 **
  20 ** ========================================================================= */
  21
  22 /* === H E A D E R S ======================================================= */
  23
  24 #ifdef USING_PCH
  25 #       include "pch.h"
  26 #else
  27 #ifdef HAVE_CONFIG_H
  28 #       include <config.h>
  29 #endif
  30
  31 #include "compview.h"
  32 #include "app.h"
  33 #include <gtkmm/scrolledwindow.h>
  34 #include <cassert>
  35 #include <iostream>
  36 #include "instance.h"
  37 #include <sigc++/signal.h>
  38 #include <sigc++/hide.h>
  39 #include <sigc++/slot.h>
  40 #include "canvasview.h"
  41 #include <synfigapp/action.h>
  42
  43 #endif
  44
  45 /* === M A C R O S ========================================================= */
  46
  47 #define ADD_TOOLBOX_BUTTON(button,stockid,tooltip)      \
  48         Gtk::Button *button = manage(new class Gtk::Button());  \
  49         button->add(*manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4))));   \
  50         tooltips.set_tip(*button,tooltip);      \
  51         button->show_all()
  52
  53 using namespace std;
  54 using namespace etl;
  55 using namespace synfig;
  56 using namespace studio;
  57
  58 #define COLUMNID_JUMP           (787584)
  59 #define ColumnID        int
  60
  61 /* === G L O B A L S ======================================================= */
  62
  63 /* === P R O C E D U R E S ================================================= */
  64
  65 /* === M E T H O D S ======================================================= */
  66
  67 CompView::CompView():
  68         Gtk::Window(Gtk::WINDOW_TOPLEVEL),
  69         dialog_settings(this,"compview")
  70 {
  71         init_menu();
  72         set_type_hint(Gdk::WINDOW_TYPE_HINT_UTILITY);
  73
  74         Gtk::Table *table = manage(new class Gtk::Table(2, 1, false));
  75
  76
  77         table->attach(*create_instance_selector(), 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
  78
  79         notebook=manage(new class Gtk::Notebook());
  80
  81         table->attach(*notebook, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
  82
  83         notebook->append_page(*create_canvas_tree(),"Canvases");
  84         notebook->append_page(*create_action_tree(),"History");
  85
  86
  87
  88 /*
  89
  90         studio::Instance::ImageColumnModel image_column_model;
  91         image_list=manage(new class Gtk::TreeView());
  92         image_list->append_column("Name",image_column_model.name);
  93         image_list->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_image_activate));
  94         image_list->set_rules_hint();
  95
  96         Gtk::Table *image_page = manage(new class Gtk::Table(2, 1, false));
  97         Gtk::ScrolledWindow *image_list_scroll = manage(new class Gtk::ScrolledWindow());
  98         image_list_scroll->set_flags(Gtk::CAN_FOCUS);
  99         image_list_scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 100         image_list_scroll->add(*image_list);
 101         image_page->attach(*image_list_scroll, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 102         Gtk::HBox *image_buttons=manage(new class Gtk::HBox());
 103         image_page->attach(*image_buttons, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 104         ADD_TOOLBOX_BUTTON(button_image_new,"gtk-new","Create a new image");
 105         ADD_TOOLBOX_BUTTON(button_image_delete,"gtk-delete","Delete image");
 106         ADD_TOOLBOX_BUTTON(button_image_rename,"gtk-rename","Rename image");
 107         ADD_TOOLBOX_BUTTON(button_image_copy,"gtk-copy","Duplicate image");
 108         button_image_new->signal_clicked().connect(sigc::mem_fun(*this,&CompView::new_image));
 109         button_image_delete->signal_clicked().connect(sigc::mem_fun(*this,&CompView::delete_image));
 110         button_image_rename->signal_clicked().connect(sigc::mem_fun(*this,&CompView::rename_image));
 111         button_image_copy->signal_clicked().connect(sigc::mem_fun(*this,&CompView::copy_image));
 112         image_buttons->pack_start(*button_image_new);
 113         image_buttons->pack_start(*button_image_delete);
 114         image_buttons->pack_start(*button_image_rename);
 115         image_buttons->pack_start(*button_image_copy);
 116
 117         studio::Instance::ValueNodeColumnModel valuenode_column_model;
 118         valuenode_list=manage(new class Gtk::TreeView());
 119         valuenode_list->append_column("Name",valuenode_column_model.name);
 120         valuenode_list->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_valuenode_activate));
 121         valuenode_list->set_rules_hint();
 122
 123         Gtk::Table *valuenode_page = manage(new class Gtk::Table(2, 1, false));
 124         Gtk::ScrolledWindow *valuenode_list_scroll = manage(new class Gtk::ScrolledWindow());
 125         valuenode_list_scroll->set_flags(Gtk::CAN_FOCUS);
 126         valuenode_list_scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 127         valuenode_list_scroll->add(*valuenode_list);
 128         valuenode_page->attach(*valuenode_list_scroll, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 129         Gtk::HBox *valuenode_buttons=manage(new class Gtk::HBox());
 130         valuenode_page->attach(*valuenode_buttons, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 131         ADD_TOOLBOX_BUTTON(button_valuenode_new,"gtk-new","Create a new value_node");
 132         ADD_TOOLBOX_BUTTON(button_valuenode_delete,"gtk-delete","Delete value_node");
 133         ADD_TOOLBOX_BUTTON(button_valuenode_rename,"gtk-rename","Rename value_node");
 134         ADD_TOOLBOX_BUTTON(button_valuenode_copy,"gtk-copy","Duplicate value_node");
 135         button_valuenode_new->signal_clicked().connect(sigc::mem_fun(*this,&CompView::new_value_node));
 136         button_valuenode_delete->signal_clicked().connect(sigc::mem_fun(*this,&CompView::delete_value_node));
 137         button_valuenode_rename->signal_clicked().connect(sigc::mem_fun(*this,&CompView::rename_value_node));
 138         button_valuenode_copy->signal_clicked().connect(sigc::mem_fun(*this,&CompView::copy_value_node));
 139         valuenode_buttons->pack_start(*button_valuenode_new);
 140         valuenode_buttons->pack_start(*button_valuenode_delete);
 141         valuenode_buttons->pack_start(*button_valuenode_rename);
 142         valuenode_buttons->pack_start(*button_valuenode_copy);
 143
 144
 145         notebook->append_page(*image_page,"Images");
 146         notebook->append_page(*valuenode_page,"ValueNodes");
 147
 148         image_page->show_all();
 149         valuenode_page->show_all();
 150 */
 151 //      notebook->set_current_page(0);
 152         signal_delete_event().connect(sigc::hide(sigc::mem_fun(*this, &CompView::close)));
 153         App::signal_instance_created().connect(sigc::mem_fun(*this,&studio::CompView::new_instance));
 154         App::signal_instance_deleted().connect(sigc::mem_fun(*this,&studio::CompView::delete_instance));
 155         App::signal_instance_selected().connect(sigc::mem_fun(*this,&studio::CompView::set_selected_instance_signal));
 156
 157         table->show_all();
 158         add(*table);
 159
 160
 161         set_title("Canvas Browser");
 162         set_modal(false);
 163         set_resizable(true);
 164         property_window_position().set_value(Gtk::WIN_POS_NONE);
 165         set_default_size(200,300);
 166 }
 167
 168 CompView::~CompView()
 169 {
 170 }
 171
 172 etl::loose_handle<studio::CanvasView>
 173 CompView::get_selected_canvas_view()
 174 {
 175         return get_selected_instance()->find_canvas_view(get_selected_canvas());
 176 }
 177
 178 Gtk::Widget*
 179 CompView::create_canvas_tree()
 180 {
 181         studio::Instance::CanvasTreeModel canvas_tree_model;
 182         canvas_tree=manage(new class Gtk::TreeView());
 183         {
 184                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("ID") );
 185 //              Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 186
 187                 //column->pack_start(*icon_cellrenderer,false);
 188                 column->pack_start(canvas_tree_model.icon, false); //false = don't expand.
 189                 column->pack_start(canvas_tree_model.label);
 190
 191 //#ifdef NDEBUG
 192 //              column->add_attribute(icon_cellrenderer->property_pixbuf(), canvas_tree_model.icon);
 193 //#endif
 194
 195                 canvas_tree->append_column(*column);
 196         }
 197         canvas_tree->set_rules_hint();
 198         canvas_tree->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_row_activate));
 199         canvas_tree->signal_event().connect(sigc::mem_fun(*this,&CompView::on_tree_event));
 200         canvas_tree->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 201         canvas_tree->add_events(Gdk::BUTTON1_MOTION_MASK);
 202         canvas_tree->show();
 203
 204         Gtk::ScrolledWindow *scrolledwindow = manage(new class Gtk::ScrolledWindow());
 205         scrolledwindow->set_flags(Gtk::CAN_FOCUS);
 206         scrolledwindow->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 207         scrolledwindow->add(*canvas_tree);
 208         scrolledwindow->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 209         scrolledwindow->show();
 210
 211         return scrolledwindow;
 212 }
 213
 214 Gtk::Widget*
 215 CompView::create_action_tree()
 216 {
 217         studio::HistoryTreeStore::Model history_tree_model;
 218         action_tree=manage(new class Gtk::TreeView());
 219         {
 220                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("") );
 221
 222                 Gtk::CellRendererToggle* toggle_cr = Gtk::manage( new Gtk::CellRendererToggle() );
 223                 toggle_cr->signal_toggled().connect(sigc::mem_fun(*this, &studio::CompView::on_action_toggle) );
 224
 225                 column->pack_start(*toggle_cr); //false = don't expand.
 226                 column->add_attribute(toggle_cr->property_active(),history_tree_model.is_active);
 227                 column->set_resizable();
 228                 column->set_clickable();
 229
 230                 action_tree->append_column(*column);
 231         }
 232         /*{
 233                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("Canvas") );
 234                 Gtk::CellRendererText *text_cr=Gtk::manage(new Gtk::CellRendererText());
 235                 text_cr->property_foreground()=Glib::ustring("#7f7f7f");
 236
 237                 column->pack_start(*text_cr);
 238                 column->add_attribute(text_cr->property_text(),history_tree_model.canvas_id);
 239                 column->add_attribute(text_cr->property_foreground_set(),history_tree_model.is_redo);
 240
 241                 action_tree->append_column(*column);
 242         }*/
 243         {
 244                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Jump")) );
 245
 246                 Gtk::CellRendererText* cell_renderer_jump=Gtk::manage(new Gtk::CellRendererText());
 247                 column->pack_start(*cell_renderer_jump,true);
 248
 249                 cell_renderer_jump->property_text()="(JMP)";
 250                 cell_renderer_jump->property_foreground()="#003a7f";
 251
 252                 column->set_resizable();
 253                 column->set_clickable();
 254
 255                 column->set_sort_column_id(COLUMNID_JUMP);
 256
 257                 action_tree->append_column(*column);
 258                 //column->clicked();
 259         }
 260         {
 261                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("Action") );
 262
 263                 Gtk::CellRendererText *text_cr=Gtk::manage(new Gtk::CellRendererText());
 264                 text_cr->property_foreground()=Glib::ustring("#7f7f7f");
 265
 266
 267
 268                 //column->pack_start(history_tree_model.icon, false); //false = don't expand.
 269                 column->pack_start(*text_cr);
 270                 column->add_attribute(text_cr->property_text(),history_tree_model.name);
 271                 column->add_attribute(text_cr->property_foreground_set(),history_tree_model.is_redo);
 272
 273                 action_tree->append_column(*column);
 274         }
 275
 276
 277         action_tree->set_rules_hint();
 278 //      action_tree->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_row_activate));
 279         action_tree->signal_event().connect(sigc::mem_fun(*this,&CompView::on_action_event));
 280 //      action_tree->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 281 //      action_tree->add_events(Gdk::BUTTON1_MOTION_MASK);
 282         action_tree->show();
 283
 284         Gtk::ScrolledWindow *scrolledwindow = manage(new class Gtk::ScrolledWindow());
 285         scrolledwindow->set_flags(Gtk::CAN_FOCUS);
 286         scrolledwindow->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 287         scrolledwindow->add(*action_tree);
 288         scrolledwindow->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 289         scrolledwindow->show();
 290
 291         Gtk::Button* clear_button(manage(new Gtk::Button(_("Clear Undo"))));
 292         clear_button->signal_pressed().connect(sigc::mem_fun(*this,&studio::CompView::clear_history));
 293
 294         Gtk::Button* clear_redo_button(manage(new Gtk::Button(_("Clear Redo"))));
 295         clear_redo_button->signal_pressed().connect(sigc::mem_fun(*this,&studio::CompView::clear_redo));
 296
 297         Gtk::Table* table(manage(new Gtk::Table()));
 298         table->attach(*scrolledwindow, 0, 2, 0,1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 299         table->attach(*clear_button, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 300         table->attach(*clear_redo_button, 1, 2, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 301
 302         table->show_all();
 303
 304         return table;
 305 }
 306
 307 Gtk::Widget*
 308 CompView::create_instance_selector()
 309 {
 310         instance_selector=manage(new class Gtk::OptionMenu());
 311         instance_selector->show();
 312         instance_selector->set_menu(instance_list_menu);
 313         return instance_selector;
 314 }
 315
 316 bool
 317 CompView::close()
 318 {
 319         hide();
 320         return true;
 321 }
 322
 323 void
 324 CompView::clear_history()
 325 {
 326         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?")))
 327         {
 328                 selected_instance->clear_undo_stack();
 329         }
 330 }
 331
 332 void
 333 CompView::clear_redo()
 334 {
 335         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?")))
 336         {
 337                 selected_instance->clear_redo_stack();
 338         }
 339 }
 340
 341 void
 342 CompView::init_menu()
 343 {
 344         menu.items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 345         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-canvas_new"),
 346                 sigc::mem_fun(*this,&CompView::menu_new_canvas)));
 347         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("gtk-delete"),
 348                 sigc::mem_fun(*this,&CompView::menu_delete)));
 349         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-rename"),
 350                 sigc::mem_fun(*this,&CompView::menu_rename)));
 351 }
 352
 353 etl::loose_handle<synfig::Canvas>
 354 CompView::get_selected_canvas()
 355 {
 356         Glib::RefPtr<Gtk::TreeSelection> selection=canvas_tree->get_selection();
 357
 358         if(!selection || !selection->get_selected())
 359                 return 0;
 360
 361         studio::Instance::CanvasTreeModel canvas_tree_model;
 362
 363         return static_cast<etl::handle<synfig::Canvas> >((*selection->get_selected())[canvas_tree_model.canvas]);
 364 }
 365
 366 void
 367 CompView::menu_new_canvas()
 368 {
 369 #warning Update Me!
 370 #if 0
 371         get_selected_canvas_view()->new_child_canvas();
 372 #endif
 373 }
 374
 375 void
 376 CompView::menu_delete()
 377 {
 378         studio::App::dialog_not_implemented();
 379 }
 380
 381 void
 382 CompView::menu_rename()
 383 {
 384         studio::App::dialog_not_implemented();
 385 }
 386
 387 void
 388 CompView::set_selected_instance_signal(etl::handle<studio::Instance> x)
 389 {
 390         set_selected_instance(x);
 391 }
 392
 393 void
 394 CompView::set_selected_instance_(etl::handle<studio::Instance> instance)
 395 {
 396         if(studio::App::shutdown_in_progress)
 397                 return;
 398
 399         selected_instance=instance;
 400         if(instance)
 401         {
 402                 canvas_tree->set_model(instance->canvas_tree_store());
 403                 action_tree->set_model(instance->history_tree_store());
 404                 canvas_tree->show();
 405                 action_tree->show();
 406         }
 407         else
 408         {
 409                 canvas_tree->set_model(Glib::RefPtr< Gtk::TreeModel >());
 410                 action_tree->set_model(Glib::RefPtr< Gtk::TreeModel >());
 411                 canvas_tree->hide();
 412                 action_tree->hide();
 413         }
 414 }
 415
 416 void
 417 CompView::set_selected_instance(etl::loose_handle<studio::Instance> x)
 418 {
 419         if(studio::App::shutdown_in_progress)
 420                 return;
 421
 422         // if it's already selected, don't select it again
 423         if (x==selected_instance)
 424                 return;
 425
 426         std::list<etl::handle<studio::Instance> >::iterator iter;
 427
 428         if(x)
 429         {
 430                 int i;
 431                 for(i=0,iter=studio::App::instance_list.begin();iter!=studio::App::instance_list.end() && ((*iter)!=x);iter++,i++);
 432
 433                 assert(*iter==x);
 434
 435                 instance_selector->set_history(i);
 436         }
 437         else
 438                 instance_selector->set_history(0);
 439
 440         set_selected_instance_(x);
 441 }
 442
 443 void
 444 CompView::new_instance(etl::handle<studio::Instance> instance)
 445 {
 446         if(studio::App::shutdown_in_progress)
 447                 return;
 448
 449         assert(instance);
 450
 451         etl::loose_handle<studio::Instance> loose_instance(instance);
 452
 453         instance->synfigapp::Instance::signal_filename_changed().connect(sigc::mem_fun(*this,&CompView::refresh_instances));
 454         instance->synfigapp::Instance::signal_filename_changed().connect(
 455                 sigc::bind<etl::loose_handle<studio::Instance> >(
 456                         sigc::mem_fun(*this,&CompView::set_selected_instance),
 457                         loose_instance
 458                 )
 459         );
 460
 461         {
 462                 std::string name=basename(instance->get_file_name());
 463
 464                 instance_list_menu.items().push_back(Gtk::Menu_Helpers::MenuElem(name,
 465                         sigc::bind<etl::loose_handle<studio::Instance> >(sigc::mem_fun(&studio::App::set_selected_instance),loose_instance)     ));
 466         }
 467 }
 468
 469 void
 470 CompView::delete_instance(etl::handle<studio::Instance> instance)
 471 {
 472         if(studio::App::shutdown_in_progress)
 473                 return;
 474
 475         refresh_instances();
 476
 477         if(selected_instance==instance)
 478         {
 479                 set_selected_instance(0);
 480                 instance_selector->set_history(0);
 481         }
 482 }
 483
 484 void
 485 CompView::refresh_instances()
 486 {
 487         if(studio::App::shutdown_in_progress)
 488                 return;
 489
 490         if(!instance_list_menu.items().empty())
 491                 instance_list_menu.items().clear();
 492
 493         std::list<etl::handle<studio::Instance> >::iterator iter;
 494         for(iter=studio::App::instance_list.begin();iter!=studio::App::instance_list.end();iter++)
 495         {
 496                 std::string name=basename((*iter)->get_file_name());
 497
 498                 instance_list_menu.items().push_back(Gtk::Menu_Helpers::MenuElem(name,
 499                         sigc::bind<etl::loose_handle<studio::Instance> >(sigc::mem_fun(&studio::App::set_selected_instance),*iter)      ));
 500         }
 501         instance_selector->set_menu(instance_list_menu);
 502 }
 503
 504 void
 505 CompView::on_row_activate(const Gtk::TreeModel::Path &path, Gtk::TreeViewColumn *)
 506 {
 507         assert(get_selected_instance());
 508         studio::Instance::CanvasTreeModel canvas_tree_model;
 509         const Gtk::TreeRow row = *(get_selected_instance()->canvas_tree_store()->get_iter(path));
 510         if(row[canvas_tree_model.is_canvas])
 511                 get_selected_instance()->focus(row[canvas_tree_model.canvas]);
 512         else
 513                 studio::App::dialog_not_implemented();
 514 }
 515
 516 bool
 517 CompView::on_action_event(GdkEvent *event)
 518 {
 519         studio::HistoryTreeStore::Model model;
 520     switch(event->type)
 521     {
 522         case GDK_BUTTON_PRESS:
 523         case GDK_2BUTTON_PRESS:
 524                 {
 525                         Gtk::TreeModel::Path path;
 526                         Gtk::TreeViewColumn *column;
 527                         int cell_x, cell_y;
 528                         if(!action_tree->get_path_at_pos(
 529                                 int(event->button.x),int(event->button.y),      // x, y
 530                                 path, // TreeModel::Path&
 531                                 column, //TreeViewColumn*&
 532                                 cell_x,cell_y //int&cell_x,int&cell_y
 533                                 )
 534                         ) break;
 535                         const Gtk::TreeRow row = *(action_tree->get_model()->get_iter(path));
 536
 537                         //signal_user_click()(event->button.button,row,(ColumnID)column->get_sort_column_id());
 538                         if((ColumnID)column->get_sort_column_id()==COLUMNID_JUMP)
 539                         {
 540                                 etl::handle<synfigapp::Action::Undoable> action(row[model.action]);
 541                                 if((bool)row[model.is_undo])
 542                                 {
 543                                         while(get_selected_instance()->undo_action_stack().size() && get_selected_instance()->undo_action_stack().front()!=action)
 544                                                 get_selected_instance()->undo();
 545                                 }
 546                                 else if((bool)row[model.is_redo])
 547                                 {
 548                                         while(get_selected_instance()->redo_action_stack().size() && get_selected_instance()->undo_action_stack().front()!=action)
 549                                                 get_selected_instance()->redo();
 550                                 }
 551                         }
 552                 }
 553
 554         case GDK_BUTTON_RELEASE:
 555                 break;
 556         default:
 557                 break;
 558         }
 559         return false;
 560 }
 561
 562 bool
 563 CompView::on_tree_event(GdkEvent *event)
 564 {
 565     switch(event->type)
 566     {
 567         case GDK_BUTTON_PRESS:
 568                 switch(event->button.button)
 569                 {
 570                 case 3:
 571                 if(get_selected_canvas())
 572                 {
 573                         menu.items().clear();
 574
 575                         synfigapp::Action::ParamList param_list;
 576                         param_list.add("canvas",synfig::Canvas::Handle(get_selected_canvas()));
 577                         param_list.add("canvas_interface",get_selected_instance()->find_canvas_interface(get_selected_canvas()));
 578                         get_selected_instance()->find_canvas_view(get_selected_canvas())->add_actions_to_menu(&menu, param_list,synfigapp::Action::CATEGORY_CANVAS);
 579                         menu.popup(0,0);
 580                         menu.show();
 581                         break;
 582                 }
 583                 default:
 584                         break;
 585                 }
 586                 break;
 587         case GDK_MOTION_NOTIFY:
 588                 break;
 589         case GDK_BUTTON_RELEASE:
 590                 break;
 591         default:
 592                 break;
 593         }
 594         return false;
 595 }
 596
 597 void
 598 CompView::on_action_toggle(const Glib::ustring& path_string)
 599 {
 600         studio::HistoryTreeStore::Model history_tree_model;
 601
 602         Gtk::TreePath path(path_string);
 603
 604         const Gtk::TreeRow row = *(selected_instance->history_tree_store()->get_iter(path));
 605
 606         handle<synfigapp::Action::Undoable> action=row[history_tree_model.action];
 607
 608         selected_instance->synfigapp::Instance::set_action_status(action,!action->is_active());
 609 }