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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file compview.cpp
   3 **      \brief writeme
   4 **
   5 **      \legal
   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 **      \endlegal
  18 **
  19 ** === N O T E S ===========================================================
  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 "compview.h"
  33 #include "app.h"
  34 #include <gtkmm/scrolledwindow.h>
  35 #include <cassert>
  36 #include <iostream>
  37 #include "instance.h"
  38 #include <sigc++/signal.h>
  39 #include <sigc++/hide.h>
  40 #include <sigc++/slot.h>
  41 #include "canvasview.h"
  42 #include <synfigapp/action.h>
  43
  44 #endif
  45
  46 /* === M A C R O S ========================================================= */
  47
  48 #define ADD_TOOLBOX_BUTTON(button,stockid,tooltip)      \
  49         Gtk::Button *button = manage(new class Gtk::Button());  \
  50         button->add(*manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4))));   \
  51         tooltips.set_tip(*button,tooltip);      \
  52         button->show_all()
  53
  54 using namespace std;
  55 using namespace etl;
  56 using namespace synfig;
  57 using namespace studio;
  58
  59 #define COLUMNID_JUMP           (787584)
  60 #define ColumnID        int
  61
  62 /* === G L O B A L S ======================================================= */
  63
  64 /* === P R O C E D U R E S ================================================= */
  65
  66 /* === M E T H O D S ======================================================= */
  67
  68 CompView::CompView():
  69         Gtk::Window(Gtk::WINDOW_TOPLEVEL),
  70         dialog_settings(this,"compview")
  71 {
  72         init_menu();
  73         set_type_hint(Gdk::WINDOW_TYPE_HINT_UTILITY);
  74
  75         Gtk::Table *table = manage(new class Gtk::Table(2, 1, false));
  76
  77
  78         table->attach(*create_instance_selector(), 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
  79
  80         notebook=manage(new class Gtk::Notebook());
  81
  82         table->attach(*notebook, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
  83
  84         notebook->append_page(*create_canvas_tree(),"Canvases");
  85         notebook->append_page(*create_action_tree(),"History");
  86
  87
  88
  89 /*
  90
  91         studio::Instance::ImageColumnModel image_column_model;
  92         image_list=manage(new class Gtk::TreeView());
  93         image_list->append_column("Name",image_column_model.name);
  94         image_list->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_image_activate));
  95         image_list->set_rules_hint();
  96
  97         Gtk::Table *image_page = manage(new class Gtk::Table(2, 1, false));
  98         Gtk::ScrolledWindow *image_list_scroll = manage(new class Gtk::ScrolledWindow());
  99         image_list_scroll->set_flags(Gtk::CAN_FOCUS);
 100         image_list_scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 101         image_list_scroll->add(*image_list);
 102         image_page->attach(*image_list_scroll, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 103         Gtk::HBox *image_buttons=manage(new class Gtk::HBox());
 104         image_page->attach(*image_buttons, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 105         ADD_TOOLBOX_BUTTON(button_image_new,"gtk-new","Create a new image");
 106         ADD_TOOLBOX_BUTTON(button_image_delete,"gtk-delete","Delete image");
 107         ADD_TOOLBOX_BUTTON(button_image_rename,"gtk-rename","Rename image");
 108         ADD_TOOLBOX_BUTTON(button_image_copy,"gtk-copy","Duplicate image");
 109         button_image_new->signal_clicked().connect(sigc::mem_fun(*this,&CompView::new_image));
 110         button_image_delete->signal_clicked().connect(sigc::mem_fun(*this,&CompView::delete_image));
 111         button_image_rename->signal_clicked().connect(sigc::mem_fun(*this,&CompView::rename_image));
 112         button_image_copy->signal_clicked().connect(sigc::mem_fun(*this,&CompView::copy_image));
 113         image_buttons->pack_start(*button_image_new);
 114         image_buttons->pack_start(*button_image_delete);
 115         image_buttons->pack_start(*button_image_rename);
 116         image_buttons->pack_start(*button_image_copy);
 117
 118         studio::Instance::ValueNodeColumnModel valuenode_column_model;
 119         valuenode_list=manage(new class Gtk::TreeView());
 120         valuenode_list->append_column("Name",valuenode_column_model.name);
 121         valuenode_list->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_valuenode_activate));
 122         valuenode_list->set_rules_hint();
 123
 124         Gtk::Table *valuenode_page = manage(new class Gtk::Table(2, 1, false));
 125         Gtk::ScrolledWindow *valuenode_list_scroll = manage(new class Gtk::ScrolledWindow());
 126         valuenode_list_scroll->set_flags(Gtk::CAN_FOCUS);
 127         valuenode_list_scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 128         valuenode_list_scroll->add(*valuenode_list);
 129         valuenode_page->attach(*valuenode_list_scroll, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 130         Gtk::HBox *valuenode_buttons=manage(new class Gtk::HBox());
 131         valuenode_page->attach(*valuenode_buttons, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 132         ADD_TOOLBOX_BUTTON(button_valuenode_new,"gtk-new","Create a new value_node");
 133         ADD_TOOLBOX_BUTTON(button_valuenode_delete,"gtk-delete","Delete value_node");
 134         ADD_TOOLBOX_BUTTON(button_valuenode_rename,"gtk-rename","Rename value_node");
 135         ADD_TOOLBOX_BUTTON(button_valuenode_copy,"gtk-copy","Duplicate value_node");
 136         button_valuenode_new->signal_clicked().connect(sigc::mem_fun(*this,&CompView::new_value_node));
 137         button_valuenode_delete->signal_clicked().connect(sigc::mem_fun(*this,&CompView::delete_value_node));
 138         button_valuenode_rename->signal_clicked().connect(sigc::mem_fun(*this,&CompView::rename_value_node));
 139         button_valuenode_copy->signal_clicked().connect(sigc::mem_fun(*this,&CompView::copy_value_node));
 140         valuenode_buttons->pack_start(*button_valuenode_new);
 141         valuenode_buttons->pack_start(*button_valuenode_delete);
 142         valuenode_buttons->pack_start(*button_valuenode_rename);
 143         valuenode_buttons->pack_start(*button_valuenode_copy);
 144
 145
 146         notebook->append_page(*image_page,"Images");
 147         notebook->append_page(*valuenode_page,"ValueNodes");
 148
 149         image_page->show_all();
 150         valuenode_page->show_all();
 151 */
 152 //      notebook->set_current_page(0);
 153         signal_delete_event().connect(sigc::hide(sigc::mem_fun(*this, &CompView::close)));
 154         App::signal_instance_created().connect(sigc::mem_fun(*this,&studio::CompView::new_instance));
 155         App::signal_instance_deleted().connect(sigc::mem_fun(*this,&studio::CompView::delete_instance));
 156         App::signal_instance_selected().connect(sigc::mem_fun(*this,&studio::CompView::set_selected_instance_signal));
 157
 158         table->show_all();
 159         add(*table);
 160
 161
 162         set_title("Canvas Browser");
 163         set_modal(false);
 164         set_resizable(true);
 165         property_window_position().set_value(Gtk::WIN_POS_NONE);
 166         set_default_size(200,300);
 167 }
 168
 169 CompView::~CompView()
 170 {
 171 }
 172
 173 etl::loose_handle<studio::CanvasView>
 174 CompView::get_selected_canvas_view()
 175 {
 176         return get_selected_instance()->find_canvas_view(get_selected_canvas());
 177 }
 178
 179 Gtk::Widget*
 180 CompView::create_canvas_tree()
 181 {
 182         studio::Instance::CanvasTreeModel canvas_tree_model;
 183         canvas_tree=manage(new class Gtk::TreeView());
 184         {
 185                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("ID") );
 186 //              Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 187
 188                 //column->pack_start(*icon_cellrenderer,false);
 189                 column->pack_start(canvas_tree_model.icon, false); //false = don't expand.
 190                 column->pack_start(canvas_tree_model.label);
 191
 192 //#ifdef NDEBUG
 193 //              column->add_attribute(icon_cellrenderer->property_pixbuf(), canvas_tree_model.icon);
 194 //#endif
 195
 196                 canvas_tree->append_column(*column);
 197         }
 198         canvas_tree->set_rules_hint();
 199         canvas_tree->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_row_activate));
 200         canvas_tree->signal_event().connect(sigc::mem_fun(*this,&CompView::on_tree_event));
 201         canvas_tree->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 202         canvas_tree->add_events(Gdk::BUTTON1_MOTION_MASK);
 203         canvas_tree->show();
 204
 205         Gtk::ScrolledWindow *scrolledwindow = manage(new class Gtk::ScrolledWindow());
 206         scrolledwindow->set_flags(Gtk::CAN_FOCUS);
 207         scrolledwindow->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 208         scrolledwindow->add(*canvas_tree);
 209         scrolledwindow->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 210         scrolledwindow->show();
 211
 212         return scrolledwindow;
 213 }
 214
 215 Gtk::Widget*
 216 CompView::create_action_tree()
 217 {
 218         studio::HistoryTreeStore::Model history_tree_model;
 219         action_tree=manage(new class Gtk::TreeView());
 220         {
 221                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("") );
 222
 223                 Gtk::CellRendererToggle* toggle_cr = Gtk::manage( new Gtk::CellRendererToggle() );
 224                 toggle_cr->signal_toggled().connect(sigc::mem_fun(*this, &studio::CompView::on_action_toggle) );
 225
 226                 column->pack_start(*toggle_cr); //false = don't expand.
 227                 column->add_attribute(toggle_cr->property_active(),history_tree_model.is_active);
 228                 column->set_resizable();
 229                 column->set_clickable();
 230
 231                 action_tree->append_column(*column);
 232         }
 233         /*{
 234                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("Canvas") );
 235                 Gtk::CellRendererText *text_cr=Gtk::manage(new Gtk::CellRendererText());
 236                 text_cr->property_foreground()=Glib::ustring("#7f7f7f");
 237
 238                 column->pack_start(*text_cr);
 239                 column->add_attribute(text_cr->property_text(),history_tree_model.canvas_id);
 240                 column->add_attribute(text_cr->property_foreground_set(),history_tree_model.is_redo);
 241
 242                 action_tree->append_column(*column);
 243         }*/
 244         {
 245                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Jump")) );
 246
 247                 Gtk::CellRendererText* cell_renderer_jump=Gtk::manage(new Gtk::CellRendererText());
 248                 column->pack_start(*cell_renderer_jump,true);
 249
 250                 cell_renderer_jump->property_text()="(JMP)";
 251                 cell_renderer_jump->property_foreground()="#003a7f";
 252
 253                 column->set_resizable();
 254                 column->set_clickable();
 255
 256                 column->set_sort_column_id(COLUMNID_JUMP);
 257
 258                 action_tree->append_column(*column);
 259                 //column->clicked();
 260         }
 261         {
 262                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("Action") );
 263
 264                 Gtk::CellRendererText *text_cr=Gtk::manage(new Gtk::CellRendererText());
 265                 text_cr->property_foreground()=Glib::ustring("#7f7f7f");
 266
 267
 268
 269                 //column->pack_start(history_tree_model.icon, false); //false = don't expand.
 270                 column->pack_start(*text_cr);
 271                 column->add_attribute(text_cr->property_text(),history_tree_model.name);
 272                 column->add_attribute(text_cr->property_foreground_set(),history_tree_model.is_redo);
 273
 274                 action_tree->append_column(*column);
 275         }
 276
 277
 278         action_tree->set_rules_hint();
 279 //      action_tree->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_row_activate));
 280         action_tree->signal_event().connect(sigc::mem_fun(*this,&CompView::on_action_event));
 281 //      action_tree->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 282 //      action_tree->add_events(Gdk::BUTTON1_MOTION_MASK);
 283         action_tree->show();
 284
 285         Gtk::ScrolledWindow *scrolledwindow = manage(new class Gtk::ScrolledWindow());
 286         scrolledwindow->set_flags(Gtk::CAN_FOCUS);
 287         scrolledwindow->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 288         scrolledwindow->add(*action_tree);
 289         scrolledwindow->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 290         scrolledwindow->show();
 291
 292         Gtk::Button* clear_button(manage(new Gtk::Button(_("Clear Undo"))));
 293         clear_button->signal_pressed().connect(sigc::mem_fun(*this,&studio::CompView::clear_history));
 294
 295         Gtk::Button* clear_redo_button(manage(new Gtk::Button(_("Clear Redo"))));
 296         clear_redo_button->signal_pressed().connect(sigc::mem_fun(*this,&studio::CompView::clear_redo));
 297
 298         Gtk::Table* table(manage(new Gtk::Table()));
 299         table->attach(*scrolledwindow, 0, 2, 0,1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 300         table->attach(*clear_button, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 301         table->attach(*clear_redo_button, 1, 2, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 302
 303         table->show_all();
 304
 305         return table;
 306 }
 307
 308 Gtk::Widget*
 309 CompView::create_instance_selector()
 310 {
 311         instance_selector=manage(new class Gtk::OptionMenu());
 312         instance_selector->show();
 313         instance_selector->set_menu(instance_list_menu);
 314         return instance_selector;
 315 }
 316
 317 bool
 318 CompView::close()
 319 {
 320         hide();
 321         return true;
 322 }
 323
 324 void
 325 CompView::clear_history()
 326 {
 327         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?")))
 328         {
 329                 selected_instance->clear_undo_stack();
 330         }
 331 }
 332
 333 void
 334 CompView::clear_redo()
 335 {
 336         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?")))
 337         {
 338                 selected_instance->clear_redo_stack();
 339         }
 340 }
 341
 342 void
 343 CompView::init_menu()
 344 {
 345         menu.items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 346         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-canvas_new"),
 347                 sigc::mem_fun(*this,&CompView::menu_new_canvas)));
 348         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("gtk-delete"),
 349                 sigc::mem_fun(*this,&CompView::menu_delete)));
 350         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-rename"),
 351                 sigc::mem_fun(*this,&CompView::menu_rename)));
 352 }
 353
 354 etl::loose_handle<synfig::Canvas>
 355 CompView::get_selected_canvas()
 356 {
 357         Glib::RefPtr<Gtk::TreeSelection> selection=canvas_tree->get_selection();
 358
 359         if(!selection || !selection->get_selected())
 360                 return 0;
 361
 362         studio::Instance::CanvasTreeModel canvas_tree_model;
 363
 364         return static_cast<etl::handle<synfig::Canvas> >((*selection->get_selected())[canvas_tree_model.canvas]);
 365 }
 366
 367 void
 368 CompView::menu_new_canvas()
 369 {
 370 #warning Update Me!
 371 #if 0
 372         get_selected_canvas_view()->new_child_canvas();
 373 #endif
 374 }
 375
 376 void
 377 CompView::menu_delete()
 378 {
 379         studio::App::dialog_not_implemented();
 380 }
 381
 382 void
 383 CompView::menu_rename()
 384 {
 385         studio::App::dialog_not_implemented();
 386 }
 387
 388 void
 389 CompView::set_selected_instance_signal(etl::handle<studio::Instance> x)
 390 {
 391         set_selected_instance(x);
 392 }
 393
 394 void
 395 CompView::set_selected_instance_(etl::handle<studio::Instance> instance)
 396 {
 397         if(studio::App::shutdown_in_progress)
 398                 return;
 399
 400         selected_instance=instance;
 401         if(instance)
 402         {
 403                 canvas_tree->set_model(instance->canvas_tree_store());
 404                 action_tree->set_model(instance->history_tree_store());
 405                 canvas_tree->show();
 406                 action_tree->show();
 407         }
 408         else
 409         {
 410                 canvas_tree->set_model(Glib::RefPtr< Gtk::TreeModel >());
 411                 action_tree->set_model(Glib::RefPtr< Gtk::TreeModel >());
 412                 canvas_tree->hide();
 413                 action_tree->hide();
 414         }
 415 }
 416
 417 void
 418 CompView::set_selected_instance(etl::loose_handle<studio::Instance> x)
 419 {
 420         if(studio::App::shutdown_in_progress)
 421                 return;
 422
 423         // if it's already selected, don't select it again
 424         if (x==selected_instance)
 425                 return;
 426
 427         std::list<etl::handle<studio::Instance> >::iterator iter;
 428
 429         if(x)
 430         {
 431                 int i;
 432                 for(i=0,iter=studio::App::instance_list.begin();iter!=studio::App::instance_list.end() && ((*iter)!=x);iter++,i++);
 433
 434                 assert(*iter==x);
 435
 436                 instance_selector->set_history(i);
 437         }
 438         else
 439                 instance_selector->set_history(0);
 440
 441         set_selected_instance_(x);
 442 }
 443
 444 void
 445 CompView::new_instance(etl::handle<studio::Instance> instance)
 446 {
 447         if(studio::App::shutdown_in_progress)
 448                 return;
 449
 450         assert(instance);
 451
 452         etl::loose_handle<studio::Instance> loose_instance(instance);
 453
 454         instance->synfigapp::Instance::signal_filename_changed().connect(sigc::mem_fun(*this,&CompView::refresh_instances));
 455         instance->synfigapp::Instance::signal_filename_changed().connect(
 456                 sigc::bind<etl::loose_handle<studio::Instance> >(
 457                         sigc::mem_fun(*this,&CompView::set_selected_instance),
 458                         loose_instance
 459                 )
 460         );
 461
 462         {
 463                 std::string name=basename(instance->get_file_name());
 464
 465                 instance_list_menu.items().push_back(Gtk::Menu_Helpers::MenuElem(name,
 466                         sigc::bind<etl::loose_handle<studio::Instance> >(sigc::mem_fun(&studio::App::set_selected_instance),loose_instance)     ));
 467         }
 468 }
 469
 470 void
 471 CompView::delete_instance(etl::handle<studio::Instance> instance)
 472 {
 473         if(studio::App::shutdown_in_progress)
 474                 return;
 475
 476         refresh_instances();
 477
 478         if(selected_instance==instance)
 479         {
 480                 set_selected_instance(0);
 481                 instance_selector->set_history(0);
 482         }
 483 }
 484
 485 void
 486 CompView::refresh_instances()
 487 {
 488         if(studio::App::shutdown_in_progress)
 489                 return;
 490
 491         if(!instance_list_menu.items().empty())
 492                 instance_list_menu.items().clear();
 493
 494         std::list<etl::handle<studio::Instance> >::iterator iter;
 495         for(iter=studio::App::instance_list.begin();iter!=studio::App::instance_list.end();iter++)
 496         {
 497                 std::string name=basename((*iter)->get_file_name());
 498
 499                 instance_list_menu.items().push_back(Gtk::Menu_Helpers::MenuElem(name,
 500                         sigc::bind<etl::loose_handle<studio::Instance> >(sigc::mem_fun(&studio::App::set_selected_instance),*iter)      ));
 501         }
 502         instance_selector->set_menu(instance_list_menu);
 503 }
 504
 505 void
 506 CompView::on_row_activate(const Gtk::TreeModel::Path &path, Gtk::TreeViewColumn *)
 507 {
 508         assert(get_selected_instance());
 509         studio::Instance::CanvasTreeModel canvas_tree_model;
 510         const Gtk::TreeRow row = *(get_selected_instance()->canvas_tree_store()->get_iter(path));
 511         if(row[canvas_tree_model.is_canvas])
 512                 get_selected_instance()->focus(row[canvas_tree_model.canvas]);
 513         else
 514                 studio::App::dialog_not_implemented();
 515 }
 516
 517 bool
 518 CompView::on_action_event(GdkEvent *event)
 519 {
 520         studio::HistoryTreeStore::Model model;
 521     switch(event->type)
 522     {
 523         case GDK_BUTTON_PRESS:
 524         case GDK_2BUTTON_PRESS:
 525                 {
 526                         Gtk::TreeModel::Path path;
 527                         Gtk::TreeViewColumn *column;
 528                         int cell_x, cell_y;
 529                         if(!action_tree->get_path_at_pos(
 530                                 int(event->button.x),int(event->button.y),      // x, y
 531                                 path, // TreeModel::Path&
 532                                 column, //TreeViewColumn*&
 533                                 cell_x,cell_y //int&cell_x,int&cell_y
 534                                 )
 535                         ) break;
 536                         const Gtk::TreeRow row = *(action_tree->get_model()->get_iter(path));
 537
 538                         //signal_user_click()(event->button.button,row,(ColumnID)column->get_sort_column_id());
 539                         if((ColumnID)column->get_sort_column_id()==COLUMNID_JUMP)
 540                         {
 541                                 etl::handle<synfigapp::Action::Undoable> action(row[model.action]);
 542                                 if((bool)row[model.is_undo])
 543                                 {
 544                                         while(get_selected_instance()->undo_action_stack().size() && get_selected_instance()->undo_action_stack().front()!=action)
 545                                                 get_selected_instance()->undo();
 546                                 }
 547                                 else if((bool)row[model.is_redo])
 548                                 {
 549                                         while(get_selected_instance()->redo_action_stack().size() && get_selected_instance()->undo_action_stack().front()!=action)
 550                                                 get_selected_instance()->redo();
 551                                 }
 552                         }
 553                 }
 554
 555         case GDK_BUTTON_RELEASE:
 556                 break;
 557         default:
 558                 break;
 559         }
 560         return false;
 561 }
 562
 563 bool
 564 CompView::on_tree_event(GdkEvent *event)
 565 {
 566     switch(event->type)
 567     {
 568         case GDK_BUTTON_PRESS:
 569                 switch(event->button.button)
 570                 {
 571                 case 3:
 572                 if(get_selected_canvas())
 573                 {
 574                         menu.items().clear();
 575
 576                         synfigapp::Action::ParamList param_list;
 577                         param_list.add("canvas",synfig::Canvas::Handle(get_selected_canvas()));
 578                         param_list.add("canvas_interface",get_selected_instance()->find_canvas_interface(get_selected_canvas()));
 579                         get_selected_instance()->find_canvas_view(get_selected_canvas())->add_actions_to_menu(&menu, param_list,synfigapp::Action::CATEGORY_CANVAS);
 580                         menu.popup(0,0);
 581                         menu.show();
 582                         break;
 583                 }
 584                 default:
 585                         break;
 586                 }
 587                 break;
 588         case GDK_MOTION_NOTIFY:
 589                 break;
 590         case GDK_BUTTON_RELEASE:
 591                 break;
 592         default:
 593                 break;
 594         }
 595         return false;
 596 }
 597
 598 void
 599 CompView::on_action_toggle(const Glib::ustring& path_string)
 600 {
 601         studio::HistoryTreeStore::Model history_tree_model;
 602
 603         Gtk::TreePath path(path_string);
 604
 605         const Gtk::TreeRow row = *(selected_instance->history_tree_store()->get_iter(path));
 606
 607         handle<synfigapp::Action::Undoable> action=row[history_tree_model.action];
 608
 609         selected_instance->synfigapp::Instance::set_action_status(action,!action->is_active());
 610 }