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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file compview.cpp
   3 **      \brief writeme
   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 ** === N O T E S ===========================================================
  22 **
  23 ** ========================================================================= */
  24
  25 /* === H E A D E R S ======================================================= */
  26
  27 #ifdef USING_PCH
  28 #       include "pch.h"
  29 #else
  30 #ifdef HAVE_CONFIG_H
  31 #       include <config.h>
  32 #endif
  33
  34 #include "compview.h"
  35 #include "app.h"
  36 #include <gtkmm/scrolledwindow.h>
  37 #include <cassert>
  38 #include <iostream>
  39 #include "instance.h"
  40 #include <sigc++/signal.h>
  41 #include <sigc++/hide.h>
  42 #include <sigc++/slot.h>
  43 #include "canvasview.h"
  44 #include <synfigapp/action.h>
  45
  46 #endif
  47
  48 /* === M A C R O S ========================================================= */
  49
  50 #define ADD_TOOLBOX_BUTTON(button,stockid,tooltip)      \
  51         Gtk::Button *button = manage(new class Gtk::Button());  \
  52         button->add(*manage(new Gtk::Image(Gtk::StockID(stockid),Gtk::IconSize(4))));   \
  53         tooltips.set_tip(*button,tooltip);      \
  54         button->show_all()
  55
  56 using namespace std;
  57 using namespace etl;
  58 using namespace synfig;
  59 using namespace studio;
  60
  61 #define COLUMNID_JUMP           (787584)
  62 #define ColumnID        int
  63
  64 /* === G L O B A L S ======================================================= */
  65
  66 /* === P R O C E D U R E S ================================================= */
  67
  68 /* === M E T H O D S ======================================================= */
  69
  70 CompView::CompView():
  71         Gtk::Window(Gtk::WINDOW_TOPLEVEL),
  72         dialog_settings(this,"compview")
  73 {
  74         init_menu();
  75         set_type_hint(Gdk::WINDOW_TYPE_HINT_UTILITY);
  76
  77         Gtk::Table *table = manage(new class Gtk::Table(2, 1, false));
  78
  79
  80         table->attach(*create_instance_selector(), 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
  81
  82         notebook=manage(new class Gtk::Notebook());
  83
  84         table->attach(*notebook, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
  85
  86         notebook->append_page(*create_canvas_tree(),"Canvases");
  87         notebook->append_page(*create_action_tree(),"History");
  88
  89
  90
  91 /*
  92
  93         studio::Instance::ImageColumnModel image_column_model;
  94         image_list=manage(new class Gtk::TreeView());
  95         image_list->append_column("Name",image_column_model.name);
  96         image_list->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_image_activate));
  97         image_list->set_rules_hint();
  98
  99         Gtk::Table *image_page = manage(new class Gtk::Table(2, 1, false));
 100         Gtk::ScrolledWindow *image_list_scroll = manage(new class Gtk::ScrolledWindow());
 101         image_list_scroll->set_flags(Gtk::CAN_FOCUS);
 102         image_list_scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 103         image_list_scroll->add(*image_list);
 104         image_page->attach(*image_list_scroll, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 105         Gtk::HBox *image_buttons=manage(new class Gtk::HBox());
 106         image_page->attach(*image_buttons, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 107         ADD_TOOLBOX_BUTTON(button_image_new,"gtk-new","Create a new image");
 108         ADD_TOOLBOX_BUTTON(button_image_delete,"gtk-delete","Delete image");
 109         ADD_TOOLBOX_BUTTON(button_image_rename,"gtk-rename","Rename image");
 110         ADD_TOOLBOX_BUTTON(button_image_copy,"gtk-copy","Duplicate image");
 111         button_image_new->signal_clicked().connect(sigc::mem_fun(*this,&CompView::new_image));
 112         button_image_delete->signal_clicked().connect(sigc::mem_fun(*this,&CompView::delete_image));
 113         button_image_rename->signal_clicked().connect(sigc::mem_fun(*this,&CompView::rename_image));
 114         button_image_copy->signal_clicked().connect(sigc::mem_fun(*this,&CompView::copy_image));
 115         image_buttons->pack_start(*button_image_new);
 116         image_buttons->pack_start(*button_image_delete);
 117         image_buttons->pack_start(*button_image_rename);
 118         image_buttons->pack_start(*button_image_copy);
 119
 120         studio::Instance::ValueNodeColumnModel valuenode_column_model;
 121         valuenode_list=manage(new class Gtk::TreeView());
 122         valuenode_list->append_column("Name",valuenode_column_model.name);
 123         valuenode_list->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_valuenode_activate));
 124         valuenode_list->set_rules_hint();
 125
 126         Gtk::Table *valuenode_page = manage(new class Gtk::Table(2, 1, false));
 127         Gtk::ScrolledWindow *valuenode_list_scroll = manage(new class Gtk::ScrolledWindow());
 128         valuenode_list_scroll->set_flags(Gtk::CAN_FOCUS);
 129         valuenode_list_scroll->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 130         valuenode_list_scroll->add(*valuenode_list);
 131         valuenode_page->attach(*valuenode_list_scroll, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 132         Gtk::HBox *valuenode_buttons=manage(new class Gtk::HBox());
 133         valuenode_page->attach(*valuenode_buttons, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 134         ADD_TOOLBOX_BUTTON(button_valuenode_new,"gtk-new","Create a new value_node");
 135         ADD_TOOLBOX_BUTTON(button_valuenode_delete,"gtk-delete","Delete value_node");
 136         ADD_TOOLBOX_BUTTON(button_valuenode_rename,"gtk-rename","Rename value_node");
 137         ADD_TOOLBOX_BUTTON(button_valuenode_copy,"gtk-copy","Duplicate value_node");
 138         button_valuenode_new->signal_clicked().connect(sigc::mem_fun(*this,&CompView::new_value_node));
 139         button_valuenode_delete->signal_clicked().connect(sigc::mem_fun(*this,&CompView::delete_value_node));
 140         button_valuenode_rename->signal_clicked().connect(sigc::mem_fun(*this,&CompView::rename_value_node));
 141         button_valuenode_copy->signal_clicked().connect(sigc::mem_fun(*this,&CompView::copy_value_node));
 142         valuenode_buttons->pack_start(*button_valuenode_new);
 143         valuenode_buttons->pack_start(*button_valuenode_delete);
 144         valuenode_buttons->pack_start(*button_valuenode_rename);
 145         valuenode_buttons->pack_start(*button_valuenode_copy);
 146
 147
 148         notebook->append_page(*image_page,"Images");
 149         notebook->append_page(*valuenode_page,"ValueNodes");
 150
 151         image_page->show_all();
 152         valuenode_page->show_all();
 153 */
 154 //      notebook->set_current_page(0);
 155         signal_delete_event().connect(sigc::hide(sigc::mem_fun(*this, &CompView::close)));
 156         App::signal_instance_created().connect(sigc::mem_fun(*this,&studio::CompView::new_instance));
 157         App::signal_instance_deleted().connect(sigc::mem_fun(*this,&studio::CompView::delete_instance));
 158         App::signal_instance_selected().connect(sigc::mem_fun(*this,&studio::CompView::set_selected_instance_signal));
 159
 160         table->show_all();
 161         add(*table);
 162
 163
 164         set_title("Canvas Browser");
 165         set_modal(false);
 166         set_resizable(true);
 167         property_window_position().set_value(Gtk::WIN_POS_NONE);
 168         set_default_size(200,300);
 169 }
 170
 171 CompView::~CompView()
 172 {
 173 }
 174
 175 etl::loose_handle<studio::CanvasView>
 176 CompView::get_selected_canvas_view()
 177 {
 178         return get_selected_instance()->find_canvas_view(get_selected_canvas());
 179 }
 180
 181 Gtk::Widget*
 182 CompView::create_canvas_tree()
 183 {
 184         studio::Instance::CanvasTreeModel canvas_tree_model;
 185         canvas_tree=manage(new class Gtk::TreeView());
 186         {
 187                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("ID") );
 188 //              Gtk::CellRendererPixbuf* icon_cellrenderer = Gtk::manage( new Gtk::CellRendererPixbuf() );
 189
 190                 //column->pack_start(*icon_cellrenderer,false);
 191                 column->pack_start(canvas_tree_model.icon, false); //false = don't expand.
 192                 column->pack_start(canvas_tree_model.label);
 193
 194 //#ifdef NDEBUG
 195 //              column->add_attribute(icon_cellrenderer->property_pixbuf(), canvas_tree_model.icon);
 196 //#endif
 197
 198                 canvas_tree->append_column(*column);
 199         }
 200         canvas_tree->set_rules_hint();
 201         canvas_tree->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_row_activate));
 202         canvas_tree->signal_event().connect(sigc::mem_fun(*this,&CompView::on_tree_event));
 203         canvas_tree->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 204         canvas_tree->add_events(Gdk::BUTTON1_MOTION_MASK);
 205         canvas_tree->show();
 206
 207         Gtk::ScrolledWindow *scrolledwindow = manage(new class Gtk::ScrolledWindow());
 208         scrolledwindow->set_flags(Gtk::CAN_FOCUS);
 209         scrolledwindow->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 210         scrolledwindow->add(*canvas_tree);
 211         scrolledwindow->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 212         scrolledwindow->show();
 213
 214         return scrolledwindow;
 215 }
 216
 217 Gtk::Widget*
 218 CompView::create_action_tree()
 219 {
 220         studio::HistoryTreeStore::Model history_tree_model;
 221         action_tree=manage(new class Gtk::TreeView());
 222         {
 223                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("") );
 224
 225                 Gtk::CellRendererToggle* toggle_cr = Gtk::manage( new Gtk::CellRendererToggle() );
 226                 toggle_cr->signal_toggled().connect(sigc::mem_fun(*this, &studio::CompView::on_action_toggle) );
 227
 228                 column->pack_start(*toggle_cr); //false = don't expand.
 229                 column->add_attribute(toggle_cr->property_active(),history_tree_model.is_active);
 230                 column->set_resizable();
 231                 column->set_clickable();
 232
 233                 action_tree->append_column(*column);
 234         }
 235         /*{
 236                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("Canvas") );
 237                 Gtk::CellRendererText *text_cr=Gtk::manage(new Gtk::CellRendererText());
 238                 text_cr->property_foreground()=Glib::ustring("#7f7f7f");
 239
 240                 column->pack_start(*text_cr);
 241                 column->add_attribute(text_cr->property_text(),history_tree_model.canvas_id);
 242                 column->add_attribute(text_cr->property_foreground_set(),history_tree_model.is_redo);
 243
 244                 action_tree->append_column(*column);
 245         }*/
 246         {
 247                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column(_("Jump")) );
 248
 249                 Gtk::CellRendererText* cell_renderer_jump=Gtk::manage(new Gtk::CellRendererText());
 250                 column->pack_start(*cell_renderer_jump,true);
 251
 252                 cell_renderer_jump->property_text()="(JMP)";
 253                 cell_renderer_jump->property_foreground()="#003a7f";
 254
 255                 column->set_resizable();
 256                 column->set_clickable();
 257
 258                 column->set_sort_column_id(COLUMNID_JUMP);
 259
 260                 action_tree->append_column(*column);
 261                 //column->clicked();
 262         }
 263         {
 264                 Gtk::TreeView::Column* column = Gtk::manage( new Gtk::TreeView::Column("Action") );
 265
 266                 Gtk::CellRendererText *text_cr=Gtk::manage(new Gtk::CellRendererText());
 267                 text_cr->property_foreground()=Glib::ustring("#7f7f7f");
 268
 269
 270
 271                 //column->pack_start(history_tree_model.icon, false); //false = don't expand.
 272                 column->pack_start(*text_cr);
 273                 column->add_attribute(text_cr->property_text(),history_tree_model.name);
 274                 column->add_attribute(text_cr->property_foreground_set(),history_tree_model.is_redo);
 275
 276                 action_tree->append_column(*column);
 277         }
 278
 279
 280         action_tree->set_rules_hint();
 281 //      action_tree->signal_row_activated().connect(sigc::mem_fun(*this,&CompView::on_row_activate));
 282         action_tree->signal_event().connect(sigc::mem_fun(*this,&CompView::on_action_event));
 283 //      action_tree->add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
 284 //      action_tree->add_events(Gdk::BUTTON1_MOTION_MASK);
 285         action_tree->show();
 286
 287         Gtk::ScrolledWindow *scrolledwindow = manage(new class Gtk::ScrolledWindow());
 288         scrolledwindow->set_flags(Gtk::CAN_FOCUS);
 289         scrolledwindow->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 290         scrolledwindow->add(*action_tree);
 291         scrolledwindow->set_shadow_type(Gtk::SHADOW_ETCHED_IN);
 292         scrolledwindow->show();
 293
 294         Gtk::Button* clear_button(manage(new Gtk::Button(_("Clear Undo"))));
 295         clear_button->signal_pressed().connect(sigc::mem_fun(*this,&studio::CompView::clear_history));
 296
 297         Gtk::Button* clear_redo_button(manage(new Gtk::Button(_("Clear Redo"))));
 298         clear_redo_button->signal_pressed().connect(sigc::mem_fun(*this,&studio::CompView::clear_redo));
 299
 300         Gtk::Table* table(manage(new Gtk::Table()));
 301         table->attach(*scrolledwindow, 0, 2, 0,1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 302         table->attach(*clear_button, 0, 1, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 303         table->attach(*clear_redo_button, 1, 2, 1,2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 304
 305         table->show_all();
 306
 307         return table;
 308 }
 309
 310 Gtk::Widget*
 311 CompView::create_instance_selector()
 312 {
 313         instance_selector=manage(new class Gtk::OptionMenu());
 314         instance_selector->show();
 315         instance_selector->set_menu(instance_list_menu);
 316         return instance_selector;
 317 }
 318
 319 bool
 320 CompView::close()
 321 {
 322         hide();
 323         return true;
 324 }
 325
 326 void
 327 CompView::clear_history()
 328 {
 329         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?")))
 330         {
 331                 selected_instance->clear_undo_stack();
 332         }
 333 }
 334
 335 void
 336 CompView::clear_redo()
 337 {
 338         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?")))
 339         {
 340                 selected_instance->clear_redo_stack();
 341         }
 342 }
 343
 344 void
 345 CompView::init_menu()
 346 {
 347         menu.items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 348         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-canvas_new"),
 349                 sigc::mem_fun(*this,&CompView::menu_new_canvas)));
 350         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("gtk-delete"),
 351                 sigc::mem_fun(*this,&CompView::menu_delete)));
 352         menu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("synfig-rename"),
 353                 sigc::mem_fun(*this,&CompView::menu_rename)));
 354 }
 355
 356 etl::loose_handle<synfig::Canvas>
 357 CompView::get_selected_canvas()
 358 {
 359         Glib::RefPtr<Gtk::TreeSelection> selection=canvas_tree->get_selection();
 360
 361         if(!selection || !selection->get_selected())
 362                 return 0;
 363
 364         studio::Instance::CanvasTreeModel canvas_tree_model;
 365
 366         return static_cast<etl::handle<synfig::Canvas> >((*selection->get_selected())[canvas_tree_model.canvas]);
 367 }
 368
 369 void
 370 CompView::menu_new_canvas()
 371 {
 372 #warning Update Me!
 373 #if 0
 374         get_selected_canvas_view()->new_child_canvas();
 375 #endif
 376 }
 377
 378 void
 379 CompView::menu_delete()
 380 {
 381         studio::App::dialog_not_implemented();
 382 }
 383
 384 void
 385 CompView::menu_rename()
 386 {
 387         studio::App::dialog_not_implemented();
 388 }
 389
 390 void
 391 CompView::set_selected_instance_signal(etl::handle<studio::Instance> x)
 392 {
 393         set_selected_instance(x);
 394 }
 395
 396 void
 397 CompView::set_selected_instance_(etl::handle<studio::Instance> instance)
 398 {
 399         if(studio::App::shutdown_in_progress)
 400                 return;
 401
 402         selected_instance=instance;
 403         if(instance)
 404         {
 405                 canvas_tree->set_model(instance->canvas_tree_store());
 406                 action_tree->set_model(instance->history_tree_store());
 407                 canvas_tree->show();
 408                 action_tree->show();
 409         }
 410         else
 411         {
 412                 canvas_tree->set_model(Glib::RefPtr< Gtk::TreeModel >());
 413                 action_tree->set_model(Glib::RefPtr< Gtk::TreeModel >());
 414                 canvas_tree->hide();
 415                 action_tree->hide();
 416         }
 417 }
 418
 419 void
 420 CompView::set_selected_instance(etl::loose_handle<studio::Instance> x)
 421 {
 422         if(studio::App::shutdown_in_progress)
 423                 return;
 424
 425         // if it's already selected, don't select it again
 426         if (x==selected_instance)
 427                 return;
 428
 429         std::list<etl::handle<studio::Instance> >::iterator iter;
 430
 431         if(x)
 432         {
 433                 int i;
 434                 for(i=0,iter=studio::App::instance_list.begin();iter!=studio::App::instance_list.end() && ((*iter)!=x);iter++,i++);
 435
 436                 assert(*iter==x);
 437
 438                 instance_selector->set_history(i);
 439         }
 440         else
 441                 instance_selector->set_history(0);
 442
 443         set_selected_instance_(x);
 444 }
 445
 446 void
 447 CompView::new_instance(etl::handle<studio::Instance> instance)
 448 {
 449         if(studio::App::shutdown_in_progress)
 450                 return;
 451
 452         assert(instance);
 453
 454         etl::loose_handle<studio::Instance> loose_instance(instance);
 455
 456         instance->synfigapp::Instance::signal_filename_changed().connect(sigc::mem_fun(*this,&CompView::refresh_instances));
 457         instance->synfigapp::Instance::signal_filename_changed().connect(
 458                 sigc::bind<etl::loose_handle<studio::Instance> >(
 459                         sigc::mem_fun(*this,&CompView::set_selected_instance),
 460                         loose_instance
 461                 )
 462         );
 463
 464         {
 465                 std::string name=basename(instance->get_file_name());
 466
 467                 instance_list_menu.items().push_back(Gtk::Menu_Helpers::MenuElem(name,
 468                         sigc::bind<etl::loose_handle<studio::Instance> >(sigc::mem_fun(&studio::App::set_selected_instance),loose_instance)     ));
 469         }
 470 }
 471
 472 void
 473 CompView::delete_instance(etl::handle<studio::Instance> instance)
 474 {
 475         if(studio::App::shutdown_in_progress)
 476                 return;
 477
 478         refresh_instances();
 479
 480         if(selected_instance==instance)
 481         {
 482                 set_selected_instance(0);
 483                 instance_selector->set_history(0);
 484         }
 485 }
 486
 487 void
 488 CompView::refresh_instances()
 489 {
 490         if(studio::App::shutdown_in_progress)
 491                 return;
 492
 493         if(!instance_list_menu.items().empty())
 494                 instance_list_menu.items().clear();
 495
 496         std::list<etl::handle<studio::Instance> >::iterator iter;
 497         for(iter=studio::App::instance_list.begin();iter!=studio::App::instance_list.end();iter++)
 498         {
 499                 std::string name=basename((*iter)->get_file_name());
 500
 501                 instance_list_menu.items().push_back(Gtk::Menu_Helpers::MenuElem(name,
 502                         sigc::bind<etl::loose_handle<studio::Instance> >(sigc::mem_fun(&studio::App::set_selected_instance),*iter)      ));
 503         }
 504         instance_selector->set_menu(instance_list_menu);
 505 }
 506
 507 void
 508 CompView::on_row_activate(const Gtk::TreeModel::Path &path, Gtk::TreeViewColumn *)
 509 {
 510         assert(get_selected_instance());
 511         studio::Instance::CanvasTreeModel canvas_tree_model;
 512         const Gtk::TreeRow row = *(get_selected_instance()->canvas_tree_store()->get_iter(path));
 513         if(row[canvas_tree_model.is_canvas])
 514                 get_selected_instance()->focus(row[canvas_tree_model.canvas]);
 515         else
 516                 studio::App::dialog_not_implemented();
 517 }
 518
 519 bool
 520 CompView::on_action_event(GdkEvent *event)
 521 {
 522         studio::HistoryTreeStore::Model model;
 523     switch(event->type)
 524     {
 525         case GDK_BUTTON_PRESS:
 526         case GDK_2BUTTON_PRESS:
 527                 {
 528                         Gtk::TreeModel::Path path;
 529                         Gtk::TreeViewColumn *column;
 530                         int cell_x, cell_y;
 531                         if(!action_tree->get_path_at_pos(
 532                                 int(event->button.x),int(event->button.y),      // x, y
 533                                 path, // TreeModel::Path&
 534                                 column, //TreeViewColumn*&
 535                                 cell_x,cell_y //int&cell_x,int&cell_y
 536                                 )
 537                         ) break;
 538                         const Gtk::TreeRow row = *(action_tree->get_model()->get_iter(path));
 539
 540                         //signal_user_click()(event->button.button,row,(ColumnID)column->get_sort_column_id());
 541                         if((ColumnID)column->get_sort_column_id()==COLUMNID_JUMP)
 542                         {
 543                                 etl::handle<synfigapp::Action::Undoable> action(row[model.action]);
 544                                 if((bool)row[model.is_undo])
 545                                 {
 546                                         while(get_selected_instance()->undo_action_stack().size() && get_selected_instance()->undo_action_stack().front()!=action)
 547                                                 get_selected_instance()->undo();
 548                                 }
 549                                 else if((bool)row[model.is_redo])
 550                                 {
 551                                         while(get_selected_instance()->redo_action_stack().size() && get_selected_instance()->undo_action_stack().front()!=action)
 552                                                 get_selected_instance()->redo();
 553                                 }
 554                         }
 555                 }
 556
 557         case GDK_BUTTON_RELEASE:
 558                 break;
 559         default:
 560                 break;
 561         }
 562         return false;
 563 }
 564
 565 bool
 566 CompView::on_tree_event(GdkEvent *event)
 567 {
 568     switch(event->type)
 569     {
 570         case GDK_BUTTON_PRESS:
 571                 switch(event->button.button)
 572                 {
 573                 case 3:
 574                 if(get_selected_canvas())
 575                 {
 576                         menu.items().clear();
 577
 578                         synfigapp::Action::ParamList param_list;
 579                         param_list.add("canvas",synfig::Canvas::Handle(get_selected_canvas()));
 580                         param_list.add("canvas_interface",get_selected_instance()->find_canvas_interface(get_selected_canvas()));
 581                         get_selected_instance()->find_canvas_view(get_selected_canvas())->add_actions_to_menu(&menu, param_list,synfigapp::Action::CATEGORY_CANVAS);
 582                         menu.popup(0,0);
 583                         menu.show();
 584                         break;
 585                 }
 586                 default:
 587                         break;
 588                 }
 589                 break;
 590         case GDK_MOTION_NOTIFY:
 591                 break;
 592         case GDK_BUTTON_RELEASE:
 593                 break;
 594         default:
 595                 break;
 596         }
 597         return false;
 598 }
 599
 600 void
 601 CompView::on_action_toggle(const Glib::ustring& path_string)
 602 {
 603         studio::HistoryTreeStore::Model history_tree_model;
 604
 605         Gtk::TreePath path(path_string);
 606
 607         const Gtk::TreeRow row = *(selected_instance->history_tree_store()->get_iter(path));
 608
 609         handle<synfigapp::Action::Undoable> action=row[history_tree_model.action];
 610
 611         selected_instance->synfigapp::Instance::set_action_status(action,!action->is_active());
 612 }