synfig-studio/trunk/src/gtkmm/canvasview.h

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file canvasview.h
   3 **      \brief Template Header
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2007 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === S T A R T =========================================================== */
  25
  26 #ifndef __SYNFIG_STUDIO_GTKMM_CANVASVIEW_H
  27 #define __SYNFIG_STUDIO_GTKMM_CANVASVIEW_H
  28
  29 /* === H E A D E R S ======================================================= */
  30
  31 #include <gtkmm/window.h>
  32 #include <gtkmm/image.h>
  33 #include <gtkmm/tooltips.h>
  34 #include <gtkmm/table.h>
  35 #include <gtkmm/statusbar.h>
  36 #include <gtkmm/progressbar.h>
  37 #include <gtkmm/button.h>
  38 #include <gtkmm/menu.h>
  39 #include <gtkmm/treeview.h>
  40 #include <gtkmm/treestore.h>
  41 #include <gtkmm/scrolledwindow.h>
  42 #include <gtkmm/notebook.h>
  43 #include <gdkmm/device.h>
  44
  45 #include <synfigapp/canvasinterface.h>
  46 #include <synfigapp/selectionmanager.h>
  47
  48 #include <synfig/canvas.h>
  49 #include <synfig/string.h>
  50 #include <synfig/time.h>
  51
  52 #include "instance.h"
  53 #include "canvasproperties.h"
  54 #include "canvasoptions.h"
  55 #include "render.h"
  56 #include "cellrenderer_timetrack.h"
  57 #include "app.h"
  58
  59 #include "layertreestore.h"
  60 #include "layertree.h"
  61 #include "childrentreestore.h"
  62 #include "childrentree.h"
  63 #include "keyframetreestore.h"
  64 #include "keyframetree.h"
  65
  66 #include "dialog_waypoint.h"
  67 #include "dialog_keyframe.h"
  68
  69 #include "duckmatic.h"
  70 #include <gtkmm/scale.h>
  71
  72 #include <gtkmm/uimanager.h>
  73
  74 #include "smach.h"
  75
  76 #include <memory>
  77 #include <set>
  78 #include <map>
  79 #include <gtkmm/toggleaction.h>
  80 #include <gtkmm/radioaction.h>
  81 #include <synfig/rect.h>
  82
  83 #include "adjust_window.h"
  84
  85 #include <synfig/transform.h>
  86
  87 /* === M A C R O S ========================================================= */
  88
  89 #ifndef DEBUGPOINT_CLASS
  90 #if     _DEBUG
  91 #define DEBUGPOINT_CLASS(x)             struct debugpointclass_ ## x { debugpointclass_ ## x () { DEBUGPOINT(); } ~debugpointclass_ ## x () { DEBUGPOINT(); } } badfthguae_ ## x ;
  92 #else
  93 #define DEBUGPOINT_CLASS(x)
  94 #endif
  95 #endif
  96
  97 /* === T Y P E D E F S ===================================================== */
  98
  99 /* === C L A S S E S & S T R U C T S ======================================= */
 100
 101 namespace studio {
 102
 103 class CanvasViewUIInterface;
 104 class CanvasViewSelectionManager;
 105
 106 class CellRenderer_TimeTrack;
 107 class CellRenderer_ValueBase;
 108 class UniversalScrubber;
 109 class WorkArea;
 110
 111 class Duckmatic;
 112
 113 class Preview;
 114 struct PreviewInfo;
 115 class AudioContainer;
 116
 117 class Widget_Sound;
 118 class Widget_Timeslider;
 119 class Widget_Time;
 120
 121 class Dialog_SoundSelect;
 122 class Dialog_Preview;
 123
 124 class synfig::TransformStack;
 125 class Dock_Layers;
 126 class Dock_Children;
 127 class Dock_Keyframes;
 128
 129 class CanvasView : public Gtk::Window, public etl::shared_object
 130 {
 131         friend class UniversalScrubber;
 132         friend class Dock_Layers;
 133         friend class Dock_Children;
 134         friend class Dock_Keyframes;
 135
 136         friend class CanvasViewUIInterface;
 137         friend class CanvasViewSelectionManager;
 138
 139         friend class Duckmatic;
 140
 141         /*
 142  -- ** -- P U B L I C   T Y P E S ---------------------------------------------
 143         */
 144
 145 public:
 146
 147         typedef etl::handle<CanvasView> Handle;
 148
 149         typedef etl::handle<const CanvasView> ConstHandle;
 150
 151         typedef etl::loose_handle<CanvasView> LooseHandle;
 152
 153         typedef LayerTreeStore::Model LayerTreeModel;
 154
 155         typedef ChildrenTreeStore::Model ChildrenTreeModel;
 156
 157         //! Create an instance of this class whenever doing a longer task.
 158         /*! Make sure that you check the bool value of this class occasionaly
 159         **      to make sure the action has not been canceled. */
 160         class IsWorking
 161         {
 162                 CanvasView &canvas_view_;
 163
 164         public:
 165                 IsWorking(CanvasView &canvas_view_);
 166                 ~IsWorking();
 167                 operator bool()const;
 168         };
 169         friend class IsWorking;
 170
 171         typedef synfigapp::CanvasInterface::Mode Mode;
 172
 173         /*
 174  -- ** -- P R I V A T E   D A T A ---------------------------------------------
 175         */
 176
 177 public:
 178         std::auto_ptr<WorkArea> work_area;
 179
 180         WorkArea* get_work_area() { return work_area.get(); }
 181 private:
 182
 183         synfig::TransformStack curr_transform_stack;
 184         bool curr_transform_stack_set;
 185
 186         synfig::Rect bbox;
 187
 188         DEBUGPOINT_CLASS(1);
 189
 190         //! State Machine
 191         Smach smach_;
 192
 193         DEBUGPOINT_CLASS(2);
 194
 195         etl::loose_handle<Instance> instance_;
 196         etl::handle<synfigapp::CanvasInterface> canvas_interface_;
 197
 198         DEBUGPOINT_CLASS(3);
 199
 200         //! Sound and information to play it
 201         etl::handle<AudioContainer>             audio;
 202         studio::Widget_Sound                    *disp_audio; //should this be put into thing too?
 203
 204         SigC::Connection                                playcon;
 205         SigC::Connection                                stopcon;
 206
 207         std::auto_ptr<UniversalScrubber> universal_scrubber;
 208
 209         //! Tooltip controler
 210         Gtk::Tooltips tooltips;
 211
 212         DEBUGPOINT_CLASS(4);
 213
 214         //! TreeModel for the layers
 215         LayerTreeModel layer_tree_model;
 216
 217         //! TreeModel for the the children
 218         ChildrenTreeModel children_tree_model;
 219
 220         //Glib::RefPtr<LayerTreeStore> layer_tree_store_;
 221
 222         //Glib::RefPtr<ChildrenTreeStore> children_tree_store_;
 223
 224         //Glib::RefPtr<KeyframeTreeStore> keyframe_tree_store_;
 225
 226         DEBUGPOINT_CLASS(5);
 227
 228         //std::map<synfig::String,Glib::RefPtr<Gtk::TreeModel> > tree_model_book_;
 229         std::map<synfig::String,Glib::RefPtr<Glib::ObjectBase> > ref_obj_book_;
 230         std::map<synfig::String,Gtk::Widget*> ext_widget_book_;
 231
 232
 233         //! The time adjustment's scope is defined by the time_window adjustment
 234         Gtk::Adjustment time_adjustment_;
 235
 236         //! The time_window adjustment governs the position of the time window on the whole time line
 237         //Gtk::Adjustment time_window_adjustment_;
 238         studio::Adjust_Window time_window_adjustment_;
 239
 240
 241         LayerTree *layer_tree;
 242
 243         ChildrenTree *children_tree;
 244
 245         KeyframeTree *keyframe_tree;
 246
 247         Gtk::Widget *keyframe_tab_child;
 248
 249         Gtk::ProgressBar *progressbar;
 250         Gtk::Statusbar *statusbar;
 251
 252         Gtk::TreeRow children_canvas_row;
 253         Gtk::TreeRow children_valuenode_row;
 254
 255         Gtk::Button *stopbutton;
 256         Gtk::Button *refreshbutton;
 257         Gtk::Button *treetogglebutton;
 258         Gtk::Notebook *notebook;
 259         Gtk::Widget *timebar;
 260
 261         Widget_Time *current_time_widget;
 262         void on_current_time_widget_changed();
 263
 264         std::auto_ptr<Widget_Timeslider>                timeslider;
 265
 266         std::list<sigc::connection> duck_changed_connections;
 267
 268
 269
 270         Gtk::Button *animatebutton;
 271         Gtk::Button *keyframebutton;
 272
 273 /*      DEBUGPOINT_CLASS(8);
 274
 275         Gtk::Menu duckmaskmenu;
 276         DEBUGPOINT_CLASS(77);
 277         Gtk::Menu qualitymenu;
 278         DEBUGPOINT_CLASS(6);
 279
 280         Gtk::Menu filemenu;
 281         DEBUGPOINT_CLASS(777);
 282         Gtk::Menu editmenu;
 283         DEBUGPOINT_CLASS(71);
 284         Gtk::Menu canvasmenu;
 285         DEBUGPOINT_CLASS(73);
 286 public:
 287         Gtk::Menu layermenu;
 288 private:
 289         DEBUGPOINT_CLASS(74);
 290         Gtk::Menu newlayermenu;
 291         DEBUGPOINT_CLASS(76);
 292         Gtk::Menu viewmenu;
 293
 294         DEBUGPOINT_CLASS(99);
 295         Gtk::Menu keyframemenu;
 296
 297         Gtk::Menu parammenu;
 298         DEBUGPOINT_CLASS(9);
 299         Gtk::Menu trackmenu;
 300         DEBUGPOINT_CLASS(7);
 301
 302         Gtk::CheckMenuItem* duck_mask_position;
 303         Gtk::CheckMenuItem* duck_mask_vertex;
 304         Gtk::CheckMenuItem* duck_mask_tangent;
 305         Gtk::CheckMenuItem* duck_mask_radius;
 306         Gtk::CheckMenuItem* duck_mask_width;
 307         Gtk::CheckMenuItem* duck_mask_angle;
 308 */
 309         Gtk::Menu parammenu;
 310
 311
 312         Glib::RefPtr<Gtk::ToggleAction> duck_mask_position;
 313         Glib::RefPtr<Gtk::ToggleAction> duck_mask_vertex;
 314         Glib::RefPtr<Gtk::ToggleAction> duck_mask_tangent;
 315         Glib::RefPtr<Gtk::ToggleAction> duck_mask_radius;
 316         Glib::RefPtr<Gtk::ToggleAction> duck_mask_width;
 317         Glib::RefPtr<Gtk::ToggleAction> duck_mask_angle;
 318
 319         Gtk::RadioButtonGroup quality_group;
 320
 321         Glib::RefPtr<Gtk::ActionGroup> action_group;
 322
 323
 324         etl::handle<synfigapp::UIInterface> ui_interface_;
 325         etl::handle<synfigapp::SelectionManager> selection_manager_;
 326
 327         bool is_playing_;
 328
 329         sigc::signal<void> signal_deleted_;
 330
 331         bool rebuild_ducks_queued;
 332         sigc::connection queue_rebuild_ducks_connection;
 333
 334         /*
 335  -- ** -- P U B L I C   D A T A -----------------------------------------------
 336         */
 337
 338 public:
 339         void queue_rebuild_ducks();
 340         sigc::signal<void>& signal_deleted() { return signal_deleted_; }
 341
 342         Gtk::Menu mainmenu;
 343
 344         bool duck_refresh_flag;
 345         bool duck_refresh_needed;
 346
 347         //! This is for the IsWorking class.
 348         int working_depth;
 349
 350         bool cancel;
 351
 352
 353         /*
 354  -- ** -- D I A L O G S -------------------------------------------------------
 355         */
 356
 357 public:
 358
 359         CanvasProperties canvas_properties;
 360         CanvasOptions canvas_options;
 361         RenderSettings render_settings;
 362         Dialog_Waypoint waypoint_dialog;
 363         Dialog_Keyframe keyframe_dialog;
 364
 365         std::auto_ptr<Dialog_Preview>                   preview_dialog;
 366         //std::auto_ptr<Dialog_PreviewOptions>  previewoption_dialog;
 367         std::auto_ptr<Dialog_SoundSelect>               sound_dialog;
 368
 369         /*
 370  -- ** -- P R I V A T E   M E T H O D S ---------------------------------------
 371         */
 372
 373 private:
 374
 375         // Constructor is private to force the use of the "create()" constructor
 376         CanvasView(etl::loose_handle<Instance> instance,etl::handle<synfigapp::CanvasInterface> canvas_interface);
 377
 378         //! Constructor Helper
 379         Gtk::Widget* create_layer_tree();
 380
 381         //! Constructor Helper
 382         Gtk::Widget* create_children_tree();
 383
 384         //! Constructor Helper
 385         Gtk::Widget* create_keyframe_tree();
 386
 387         //! Constructor Helper
 388         Gtk::Widget* create_status_bar();
 389
 390         //! Constructor Helper - Initializes all of the menus
 391         void init_menus();
 392
 393         bool duck_change_param(const synfig::Point &value,synfig::Layer::Handle layer, synfig::String param_name);
 394
 395         void refresh_time_window();
 396
 397         void time_was_changed();
 398
 399         void refresh_rend_desc();
 400
 401         void toggle_duck_mask(Duckmatic::Type type);
 402
 403         Gtk::Widget *create_work_area();
 404
 405         Gtk::Widget *create_time_bar();
 406
 407
 408
 409         void popup_param_menu_bezier(float location, synfigapp::ValueDesc value_desc)
 410         { popup_param_menu(value_desc,location); }
 411
 412         void popup_param_menu(synfigapp::ValueDesc value_desc, float location=0);
 413
 414
 415         void workarea_layer_selected(synfig::Layer::Handle layer);
 416
 417         void selected_layer_color_set(synfig::Color color);
 418
 419
 420
 421         void register_layer_type(synfig::Layer::Book::value_type &lyr,std::map<synfig::String,Gtk::Menu*>*);
 422
 423         //! Rebuilds the "new layer" menu
 424         void build_new_layer_menu(Gtk::Menu &menu);
 425
 426         void rebuild_ducks_layer_(synfig::TransformStack& transform_stack, synfig::Canvas::Handle canvas, std::set<synfig::Layer::Handle>& selected_list);
 427
 428         /*
 429  -- ** -- P U B L I C   M E T H O D S -----------------------------------------
 430         */
 431
 432 public:
 433         const synfig::TransformStack& get_curr_transform_stack()const { return curr_transform_stack; }
 434
 435         const synfig::Rect& get_bbox()const { return bbox; }
 436
 437         Glib::RefPtr<Glib::ObjectBase> get_ref_obj(const synfig::String& x);
 438         Glib::RefPtr<const Glib::ObjectBase> get_ref_obj(const synfig::String& x)const;
 439         void set_ref_obj(const synfig::String& x, Glib::RefPtr<Glib::ObjectBase> y);
 440
 441         Glib::RefPtr<Gtk::TreeModel> get_tree_model(const synfig::String& x);
 442         Glib::RefPtr<const Gtk::TreeModel> get_tree_model(const synfig::String& x)const;
 443         void set_tree_model(const synfig::String& x, Glib::RefPtr<Gtk::TreeModel> y);
 444
 445         Gtk::Widget* get_ext_widget(const synfig::String& x);
 446         void set_ext_widget(const synfig::String& x, Gtk::Widget* y);
 447
 448         //std::map<synfig::String,Gtk::Widget*>& tree_view_book() { return tree_view_book_; }
 449         //std::map<synfig::String,Gtk::Widget*>& ext_widget_book() { return tree_view_book_; }
 450
 451         void popup_main_menu();
 452
 453         Smach& get_smach() { return smach_; }
 454
 455         const Smach& get_smach()const { return smach_; }
 456
 457         Smach::event_result process_event_key(EventKey x);
 458
 459         void popup_layer_menu(synfig::Layer::Handle layer);
 460
 461         virtual ~CanvasView();
 462
 463         void set_mode(Mode x) { canvas_interface()->set_mode(x); }
 464
 465         Mode get_mode()const { return canvas_interface()->get_mode(); }
 466
 467         Gtk::Adjustment &time_adjustment() { return time_adjustment_; }
 468
 469         const Gtk::Adjustment &time_adjustment()const { return time_adjustment_; }
 470
 471         studio::Adjust_Window &time_window_adjustment() { return time_window_adjustment_; }
 472
 473         const studio::Adjust_Window &time_window_adjustment()const { return time_window_adjustment_; }
 474
 475         etl::handle<synfigapp::UIInterface> get_ui_interface() { return ui_interface_;}
 476
 477         etl::handle<synfigapp::SelectionManager> get_selection_manager() { return selection_manager_; }
 478
 479         Glib::RefPtr<Gtk::TreeModel> layer_tree_store() { return get_tree_model("layers"); }
 480
 481         Glib::RefPtr<const Gtk::TreeModel> layer_tree_store()const { return get_tree_model("layers"); }
 482
 483         Glib::RefPtr<Gtk::TreeModel> children_tree_store() { return get_tree_model("children"); }
 484
 485         Glib::RefPtr<const Gtk::TreeModel> children_tree_store()const { return get_tree_model("children"); }
 486
 487         Glib::RefPtr<Gtk::TreeModel> keyframe_tree_store() { return get_tree_model("keyframes"); }
 488
 489         Glib::RefPtr<const Gtk::TreeModel> keyframe_tree_store()const { return get_tree_model("keyframes"); }
 490
 491         void set_time(synfig::Time t) { canvas_interface_->set_time(t); }
 492
 493         synfig::Time get_time() { return canvas_interface_->get_time(); }
 494
 495         etl::handle<synfig::Canvas> get_canvas()const { return canvas_interface_->get_canvas(); }
 496
 497         etl::handle<Instance> get_instance()const { return instance_; }
 498
 499         etl::handle<synfigapp::CanvasInterface> canvas_interface() { return canvas_interface_; }
 500
 501         etl::handle<const synfigapp::CanvasInterface> canvas_interface()const { return canvas_interface_; }
 502
 503         void add_actions_to_menu(Gtk::Menu *menu,   const synfigapp::Action::ParamList &param_list, synfigapp::Action::Category category=synfigapp::Action::CATEGORY_ALL)const;
 504
 505         //! Updates the title of the window
 506         void update_title();
 507
 508         //! Closes this canvas view
 509         bool close();
 510
 511         //!     Stops the currently executing action
 512         /*! \see get_cancel_status(), reset_cancel_status(), IsWorking */
 513         void stop() { cancel=true; }
 514
 515         //! Returns the cancel status
 516         /*! \see stop(), reset_cancel_status(), IsWorking */
 517         bool get_cancel_status()const { return cancel; }
 518
 519         //! Resets the cancel status
 520         /*! \see stop(), get_cancel_status(), IsWorking */
 521         void reset_cancel_status() { cancel=false; }
 522
 523         void new_child_canvas();
 524
 525         //! Rebuilds layer_tree_store_ from the Canvas. Maintains selected items.
 526         void rebuild_tables();
 527
 528         //! Builds layer_tree_store_ from the Canvas. Does not maintain selected items.
 529         void build_tables();
 530
 531         //! Refreshes the data for the tables
 532         void refresh_tables();
 533
 534         //void rebuild_layer_table();
 535         //void build_layer_table();
 536         //void refresh_layer_table();
 537
 538 //      void rebuild_canvas_table();
 539 //      void build_canvas_table();
 540 //      void refresh_canvas_table();
 541
 542 //      void rebuild_valuenode_table();
 543 //      void build_valuenode_table();
 544 //      void refresh_valuenode_table();
 545
 546         //! \writeme
 547         void rebuild_ducks();
 548
 549         //bool add_to_ducks(synfigapp::ValueDesc value_desc, synfig::ParamDesc *param_desc=NULL);
 550
 551         //! Starts "playing" the animation in real-time
 552         void play();
 553
 554         //! Shows the tables (Layer/Children)
 555         void show_tables();
 556
 557         //! Hides the tables (Layer/Children)
 558         void hide_tables();
 559
 560         //! Toggles the tables
 561         void toggle_tables();
 562
 563         //! Gets the table status
 564         bool tables_are_visible();
 565
 566         //! Shows the time bar
 567         void show_timebar();
 568
 569         //! Hides the time bar
 570         void hide_timebar();
 571
 572         //t Enables or disables interaction with the timebar
 573         void set_sensitive_timebar(bool sensitive);
 574
 575         void time_zoom_in();
 576         void time_zoom_out();
 577
 578         void add_layer(synfig::String x);
 579
 580         void show_keyframe_dialog();
 581
 582         void play_audio(float t);
 583         void stop_audio();
 584
 585         void image_import();
 586
 587         void on_waypoint_clicked(synfigapp::ValueDesc,synfig::Waypoint, int button);
 588
 589         void preview_option() {on_preview_option();}
 590
 591         void present();
 592
 593         bool is_playing() { return is_playing_; }
 594
 595         /*
 596  -- ** -- S I G N A L   T E R M I N A L S -------------------------------------
 597         */
 598
 599 private:
 600
 601         void on_unselect_layers();
 602
 603         void on_input_device_changed(GdkDevice*);
 604
 605         virtual void on_hide();
 606
 607         virtual bool on_focus_in_event(GdkEventFocus*);
 608         virtual bool on_focus_out_event(GdkEventFocus*);
 609
 610         //bool on_children_tree_event(GdkEvent *event);
 611
 612         bool on_keyframe_tree_event(GdkEvent *event);
 613
 614         //void on_children_edited_value(const Glib::ustring&path_string,synfig::ValueBase value);
 615
 616         void on_dirty_preview();
 617
 618         bool on_children_user_click(int, Gtk::TreeRow, ChildrenTree::ColumnID);
 619
 620         bool on_layer_user_click(int, Gtk::TreeRow, LayerTree::ColumnID);
 621
 622 //      void on_layer_toggle(const Glib::ustring& path_string, Gtk::TreeModelColumn<bool> column);
 623
 624         void on_mode_changed(synfigapp::CanvasInterface::Mode mode);
 625
 626 //      void on_layer_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 627
 628         //void on_children_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 629
 630         void on_waypoint_changed();
 631
 632         void on_waypoint_delete();
 633
 634         void on_refresh_pressed();
 635
 636         void on_id_changed();
 637
 638         void on_time_changed();
 639
 640         /*
 641         void on_layer_raise_pressed();
 642         void on_layer_lower_pressed();
 643         void on_layer_duplicate_pressed();
 644         void on_layer_delete_pressed();
 645         */
 646
 647         void on_keyframe_add_pressed();
 648
 649         void on_keyframe_duplicate_pressed();
 650
 651         void on_keyframe_remove_pressed();
 652
 653         void on_animate_button_pressed();
 654
 655         void on_keyframe_button_pressed();
 656
 657         void on_preview_option();
 658         void on_preview_create(const PreviewInfo &);
 659
 660         void on_audio_option();
 661         void on_audio_file_change(const std::string &f);
 662         void on_audio_offset_change(const synfig::Time &t);
 663
 664         void on_audio_file_notify();
 665         void on_audio_offset_notify();
 666
 667         bool on_duck_changed(const synfig::Point &value,const synfigapp::ValueDesc& value_desc);
 668
 669         void on_layer_toggle(synfig::Layer::Handle);
 670
 671         void on_edited_value(synfigapp::ValueDesc,synfig::ValueBase);
 672
 673         //void on_waypoint_clicked(synfigapp::ValueDesc,synfig::ValueNode_Animated::WaypointList::iterator, int button);
 674
 675         void on_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, const Gtk::SelectionData& selection_data, guint info, guint time);
 676
 677         //void on_audio_play();
 678         bool on_audio_scrub();
 679
 680 protected:
 681         bool close_instance_when_safe();
 682         bool on_delete_event(GdkEventAny* event);
 683
 684         /*
 685  -- ** -- S T A T I C   P U B L I C   M E T H O D S ---------------------------
 686         */
 687
 688 public:
 689
 690         static etl::handle<studio::CanvasView> create(etl::loose_handle<Instance> instance,etl::handle<synfig::Canvas> canvas);
 691 }; // END of class CanvasView
 692
 693 }; // END of namespace studio
 694
 695 /* === E N D =============================================================== */
 696
 697 #endif