synfig-studio/tags/synfigstudio_0_61_05/synfig-studio/src/gtkmm/canvasview.h

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file canvasview.h
   3 **      \brief Template Header
   4 **
   5 **      $Id: canvasview.h,v 1.2 2005/01/13 18:37:30 darco Exp $
   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 /* ========================================================================= */
  22
  23 /* === S T A R T =========================================================== */
  24
  25 #ifndef __SYNFIG_STUDIO_GTKMM_CANVASVIEW_H
  26 #define __SYNFIG_STUDIO_GTKMM_CANVASVIEW_H
  27
  28 /* === H E A D E R S ======================================================= */
  29
  30 #include <gtkmm/window.h>
  31 #include <gtkmm/image.h>
  32 #include <gtkmm/tooltips.h>
  33 #include <gtkmm/table.h>
  34 #include <gtkmm/statusbar.h>
  35 #include <gtkmm/progressbar.h>
  36 #include <gtkmm/button.h>
  37 #include <gtkmm/menu.h>
  38 #include <gtkmm/treeview.h>
  39 #include <gtkmm/treestore.h>
  40 #include <gtkmm/scrolledwindow.h>
  41 #include <gtkmm/notebook.h>
  42 #include <gdkmm/device.h>
  43
  44 #include <synfigapp/canvasinterface.h>
  45 #include <synfigapp/selectionmanager.h>
  46
  47 #include <synfig/canvas.h>
  48 #include <synfig/string.h>
  49 #include <synfig/time.h>
  50
  51 #include "instance.h"
  52 #include "canvasproperties.h"
  53 #include "canvasoptions.h"
  54 #include "render.h"
  55 #include "cellrenderer_timetrack.h"
  56 #include "app.h"
  57
  58 #include "layertreestore.h"
  59 #include "layertree.h"
  60 #include "childrentreestore.h"
  61 #include "childrentree.h"
  62 #include "keyframetreestore.h"
  63 #include "keyframetree.h"
  64
  65 #include "dialog_waypoint.h"
  66 #include "dialog_keyframe.h"
  67
  68 #include "duckmatic.h"
  69 #include <gtkmm/scale.h>
  70
  71 #include <gtkmm/uimanager.h>
  72
  73 #include "smach.h"
  74
  75 #include <memory>
  76 #include <set>
  77 #include <map>
  78 #include <gtkmm/toggleaction.h>
  79 #include <gtkmm/radioaction.h>
  80 #include <synfig/rect.h>
  81
  82 #include "adjust_window.h"
  83
  84 #include <synfig/transform.h>
  85
  86 /* === M A C R O S ========================================================= */
  87
  88 #ifndef DEBUGPOINT_CLASS
  89 #if     _DEBUG
  90 #define DEBUGPOINT_CLASS(x)             struct debugpointclass_ ## x { debugpointclass_ ## x () { DEBUGPOINT(); } ~debugpointclass_ ## x () { DEBUGPOINT(); } } badfthguae_ ## x ;
  91 #else
  92 #define DEBUGPOINT_CLASS(x)
  93 #endif
  94 #endif
  95
  96 /* === T Y P E D E F S ===================================================== */
  97
  98 /* === C L A S S E S & S T R U C T S ======================================= */
  99
 100 namespace studio {
 101
 102 class CanvasViewUIInterface;
 103 class CanvasViewSelectionManager;
 104
 105 class CellRenderer_TimeTrack;
 106 class CellRenderer_ValueBase;
 107 class UniversalScrubber;
 108 class WorkArea;
 109
 110 class Duckmatic;
 111
 112 class Preview;
 113 struct PreviewInfo;
 114 class AudioContainer;
 115
 116 class Widget_Sound;
 117 class Widget_Timeslider;
 118 class Widget_Time;
 119
 120 class Dialog_SoundSelect;
 121 class Dialog_Preview;
 122
 123 class synfig::TransformStack;
 124 class Dock_Layers;
 125 class Dock_Children;
 126 class Dock_Keyframes;
 127
 128 class CanvasView : public Gtk::Window, public etl::shared_object
 129 {
 130         friend class UniversalScrubber;
 131         friend class Dock_Layers;
 132         friend class Dock_Children;
 133         friend class Dock_Keyframes;
 134
 135         friend class CanvasViewUIInterface;
 136         friend class CanvasViewSelectionManager;
 137
 138         friend class Duckmatic;
 139
 140         /*
 141  -- ** -- P U B L I C   T Y P E S ---------------------------------------------
 142         */
 143
 144 public:
 145
 146         typedef etl::handle<CanvasView> Handle;
 147
 148         typedef etl::handle<const CanvasView> ConstHandle;
 149
 150         typedef etl::loose_handle<CanvasView> LooseHandle;
 151
 152         typedef LayerTreeStore::Model LayerTreeModel;
 153
 154         typedef ChildrenTreeStore::Model ChildrenTreeModel;
 155
 156         //! Create an instance of this class whenever doing a longer task.
 157         /*! Make sure that you check the bool value of this class occasionaly
 158         **      to make sure the action has not been canceled. */
 159         class IsWorking
 160         {
 161                 CanvasView &canvas_view_;
 162
 163         public:
 164                 IsWorking(CanvasView &canvas_view_);
 165                 ~IsWorking();
 166                 operator bool()const;
 167         };
 168         friend class IsWorking;
 169
 170         typedef synfigapp::CanvasInterface::Mode Mode;
 171
 172         /*
 173  -- ** -- P R I V A T E   D A T A ---------------------------------------------
 174         */
 175
 176 public:
 177         std::auto_ptr<WorkArea> work_area;
 178
 179         WorkArea* get_work_area() { return work_area.get(); }
 180 private:
 181
 182         synfig::TransformStack curr_transform_stack;
 183         bool curr_transform_stack_set;
 184
 185         synfig::Rect bbox;
 186
 187         DEBUGPOINT_CLASS(1);
 188
 189         //! State Machine
 190         Smach smach_;
 191
 192         DEBUGPOINT_CLASS(2);
 193
 194         etl::loose_handle<Instance> instance_;
 195         etl::handle<synfigapp::CanvasInterface> canvas_interface_;
 196
 197         DEBUGPOINT_CLASS(3);
 198
 199         //! Sound and information to play it
 200         etl::handle<AudioContainer>             audio;
 201         studio::Widget_Sound                    *disp_audio; //should this be put into thing too?
 202
 203         SigC::Connection                                playcon;
 204         SigC::Connection                                stopcon;
 205
 206         std::auto_ptr<UniversalScrubber> universal_scrubber;
 207
 208         //! Tooltip controler
 209         Gtk::Tooltips tooltips;
 210
 211         DEBUGPOINT_CLASS(4);
 212
 213         //! TreeModel for the layers
 214         LayerTreeModel layer_tree_model;
 215
 216         //! TreeModel for the the children
 217         ChildrenTreeModel children_tree_model;
 218
 219         //Glib::RefPtr<LayerTreeStore> layer_tree_store_;
 220
 221         //Glib::RefPtr<ChildrenTreeStore> children_tree_store_;
 222
 223         //Glib::RefPtr<KeyframeTreeStore> keyframe_tree_store_;
 224
 225         DEBUGPOINT_CLASS(5);
 226
 227         //std::map<synfig::String,Glib::RefPtr<Gtk::TreeModel> > tree_model_book_;
 228         std::map<synfig::String,Glib::RefPtr<Glib::ObjectBase> > ref_obj_book_;
 229         std::map<synfig::String,Gtk::Widget*> ext_widget_book_;
 230
 231
 232         //! The time adjustment's scope is defined by the time_window adjustment
 233         Gtk::Adjustment time_adjustment_;
 234
 235         //! The time_window adjustment governs the position of the time window on the whole time line
 236         //Gtk::Adjustment time_window_adjustment_;
 237         studio::Adjust_Window time_window_adjustment_;
 238
 239
 240         LayerTree *layer_tree;
 241
 242         ChildrenTree *children_tree;
 243
 244         KeyframeTree *keyframe_tree;
 245
 246         Gtk::Widget *keyframe_tab_child;
 247
 248         Gtk::ProgressBar *progressbar;
 249         Gtk::Statusbar *statusbar;
 250
 251         Gtk::TreeRow children_canvas_row;
 252         Gtk::TreeRow children_valuenode_row;
 253
 254         Gtk::Button *stopbutton;
 255         Gtk::Button *refreshbutton;
 256         Gtk::Button *treetogglebutton;
 257         Gtk::Notebook *notebook;
 258         Gtk::Widget *timebar;
 259
 260         Widget_Time *current_time_widget;
 261         void on_current_time_widget_changed();
 262
 263         std::auto_ptr<Widget_Timeslider>                timeslider;
 264
 265         std::list<sigc::connection> duck_changed_connections;
 266
 267
 268
 269         Gtk::Button *animatebutton;
 270         Gtk::Button *keyframebutton;
 271
 272 /*      DEBUGPOINT_CLASS(8);
 273
 274         Gtk::Menu duckmaskmenu;
 275         DEBUGPOINT_CLASS(77);
 276         Gtk::Menu qualitymenu;
 277         DEBUGPOINT_CLASS(6);
 278
 279         Gtk::Menu filemenu;
 280         DEBUGPOINT_CLASS(777);
 281         Gtk::Menu editmenu;
 282         DEBUGPOINT_CLASS(71);
 283         Gtk::Menu canvasmenu;
 284         DEBUGPOINT_CLASS(73);
 285 public:
 286         Gtk::Menu layermenu;
 287 private:
 288         DEBUGPOINT_CLASS(74);
 289         Gtk::Menu newlayermenu;
 290         DEBUGPOINT_CLASS(76);
 291         Gtk::Menu viewmenu;
 292
 293         DEBUGPOINT_CLASS(99);
 294         Gtk::Menu keyframemenu;
 295
 296         Gtk::Menu parammenu;
 297         DEBUGPOINT_CLASS(9);
 298         Gtk::Menu trackmenu;
 299         DEBUGPOINT_CLASS(7);
 300
 301         Gtk::CheckMenuItem* duck_mask_position;
 302         Gtk::CheckMenuItem* duck_mask_vertex;
 303         Gtk::CheckMenuItem* duck_mask_tangent;
 304         Gtk::CheckMenuItem* duck_mask_radius;
 305         Gtk::CheckMenuItem* duck_mask_width;
 306         Gtk::CheckMenuItem* duck_mask_angle;
 307 */
 308         Gtk::Menu parammenu;
 309
 310
 311         Glib::RefPtr<Gtk::ToggleAction> duck_mask_position;
 312         Glib::RefPtr<Gtk::ToggleAction> duck_mask_vertex;
 313         Glib::RefPtr<Gtk::ToggleAction> duck_mask_tangent;
 314         Glib::RefPtr<Gtk::ToggleAction> duck_mask_radius;
 315         Glib::RefPtr<Gtk::ToggleAction> duck_mask_width;
 316         Glib::RefPtr<Gtk::ToggleAction> duck_mask_angle;
 317
 318         Gtk::RadioButtonGroup quality_group;
 319
 320         Glib::RefPtr<Gtk::ActionGroup> action_group;
 321
 322
 323         etl::handle<synfigapp::UIInterface> ui_interface_;
 324         etl::handle<synfigapp::SelectionManager> selection_manager_;
 325
 326         bool is_playing_;
 327
 328         sigc::signal<void> signal_deleted_;
 329
 330         bool rebuild_ducks_queued;
 331         sigc::connection queue_rebuild_ducks_connection;
 332
 333         /*
 334  -- ** -- P U B L I C   D A T A -----------------------------------------------
 335         */
 336
 337 public:
 338         void queue_rebuild_ducks();
 339         sigc::signal<void>& signal_deleted() { return signal_deleted_; }
 340
 341         Gtk::Menu mainmenu;
 342
 343         bool duck_refresh_flag;
 344         bool duck_refresh_needed;
 345
 346         //! This is for the IsWorking class.
 347         int working_depth;
 348
 349         bool cancel;
 350
 351
 352         /*
 353  -- ** -- D I A L O G S -------------------------------------------------------
 354         */
 355
 356 public:
 357
 358         CanvasProperties canvas_properties;
 359         CanvasOptions canvas_options;
 360         RenderSettings render_settings;
 361         Dialog_Waypoint waypoint_dialog;
 362         Dialog_Keyframe keyframe_dialog;
 363
 364         std::auto_ptr<Dialog_Preview>                   preview_dialog;
 365         //std::auto_ptr<Dialog_PreviewOptions>  previewoption_dialog;
 366         std::auto_ptr<Dialog_SoundSelect>               sound_dialog;
 367
 368         /*
 369  -- ** -- P R I V A T E   M E T H O D S ---------------------------------------
 370         */
 371
 372 private:
 373
 374         // Constructor is private to force the use of the "create()" constructor
 375         CanvasView(etl::loose_handle<Instance> instance,etl::handle<synfigapp::CanvasInterface> canvas_interface);
 376
 377         //! Constructor Helper
 378         Gtk::Widget* create_layer_tree();
 379
 380         //! Constructor Helper
 381         Gtk::Widget* create_children_tree();
 382
 383         //! Constructor Helper
 384         Gtk::Widget* create_keyframe_tree();
 385
 386         //! Constructor Helper
 387         Gtk::Widget* create_status_bar();
 388
 389         //! Constructor Helper - Initializes all of the menus
 390         void init_menus();
 391
 392         bool duck_change_param(const synfig::Point &value,synfig::Layer::Handle layer, synfig::String param_name);
 393
 394         void refresh_time_window();
 395
 396         void time_was_changed();
 397
 398         void refresh_rend_desc();
 399
 400         void toggle_duck_mask(Duckmatic::Type type);
 401
 402         Gtk::Widget *create_work_area();
 403
 404         Gtk::Widget *create_time_bar();
 405
 406
 407
 408         void popup_param_menu_bezier(float location, synfigapp::ValueDesc value_desc)
 409         { popup_param_menu(value_desc,location); }
 410
 411         void popup_param_menu(synfigapp::ValueDesc value_desc, float location=0);
 412
 413
 414         void workarea_layer_selected(synfig::Layer::Handle layer);
 415
 416         void selected_layer_color_set(synfig::Color color);
 417
 418
 419
 420         void register_layer_type(synfig::Layer::Book::value_type &lyr,std::map<synfig::String,Gtk::Menu*>*);
 421
 422         //! Rebuilds the "new layer" menu
 423         void build_new_layer_menu(Gtk::Menu &menu);
 424
 425         void rebuild_ducks_layer_(synfig::TransformStack& transform_stack, synfig::Canvas::Handle canvas, std::set<synfig::Layer::Handle>& selected_list);
 426
 427         /*
 428  -- ** -- P U B L I C   M E T H O D S -----------------------------------------
 429         */
 430
 431 public:
 432         const synfig::TransformStack& get_curr_transform_stack()const { return curr_transform_stack; }
 433
 434         const synfig::Rect& get_bbox()const { return bbox; }
 435
 436         Glib::RefPtr<Glib::ObjectBase> get_ref_obj(const synfig::String& x);
 437         Glib::RefPtr<const Glib::ObjectBase> get_ref_obj(const synfig::String& x)const;
 438         void set_ref_obj(const synfig::String& x, Glib::RefPtr<Glib::ObjectBase> y);
 439
 440         Glib::RefPtr<Gtk::TreeModel> get_tree_model(const synfig::String& x);
 441         Glib::RefPtr<const Gtk::TreeModel> get_tree_model(const synfig::String& x)const;
 442         void set_tree_model(const synfig::String& x, Glib::RefPtr<Gtk::TreeModel> y);
 443
 444         Gtk::Widget* get_ext_widget(const synfig::String& x);
 445         void set_ext_widget(const synfig::String& x, Gtk::Widget* y);
 446
 447         //std::map<synfig::String,Gtk::Widget*>& tree_view_book() { return tree_view_book_; }
 448         //std::map<synfig::String,Gtk::Widget*>& ext_widget_book() { return tree_view_book_; }
 449
 450         void popup_main_menu();
 451
 452         Smach& get_smach() { return smach_; }
 453
 454         const Smach& get_smach()const { return smach_; }
 455
 456         Smach::event_result process_event_key(EventKey x);
 457
 458         void popup_layer_menu(synfig::Layer::Handle layer);
 459
 460         virtual ~CanvasView();
 461
 462         void set_mode(Mode x) { canvas_interface()->set_mode(x); }
 463
 464         Mode get_mode()const { return canvas_interface()->get_mode(); }
 465
 466         Gtk::Adjustment &time_adjustment() { return time_adjustment_; }
 467
 468         const Gtk::Adjustment &time_adjustment()const { return time_adjustment_; }
 469
 470         studio::Adjust_Window &time_window_adjustment() { return time_window_adjustment_; }
 471
 472         const studio::Adjust_Window &time_window_adjustment()const { return time_window_adjustment_; }
 473
 474         etl::handle<synfigapp::UIInterface> get_ui_interface() { return ui_interface_;}
 475
 476         etl::handle<synfigapp::SelectionManager> get_selection_manager() { return selection_manager_; }
 477
 478         Glib::RefPtr<Gtk::TreeModel> layer_tree_store() { return get_tree_model("layers"); }
 479
 480         Glib::RefPtr<const Gtk::TreeModel> layer_tree_store()const { return get_tree_model("layers"); }
 481
 482         Glib::RefPtr<Gtk::TreeModel> children_tree_store() { return get_tree_model("children"); }
 483
 484         Glib::RefPtr<const Gtk::TreeModel> children_tree_store()const { return get_tree_model("children"); }
 485
 486         Glib::RefPtr<Gtk::TreeModel> keyframe_tree_store() { return get_tree_model("keyframes"); }
 487
 488         Glib::RefPtr<const Gtk::TreeModel> keyframe_tree_store()const { return get_tree_model("keyframes"); }
 489
 490         void set_time(synfig::Time t) { canvas_interface_->set_time(t); }
 491
 492         synfig::Time get_time() { return canvas_interface_->get_time(); }
 493
 494         etl::handle<synfig::Canvas> get_canvas()const { return canvas_interface_->get_canvas(); }
 495
 496         etl::handle<Instance> get_instance()const { return instance_; }
 497
 498         etl::handle<synfigapp::CanvasInterface> canvas_interface() { return canvas_interface_; }
 499
 500         etl::handle<const synfigapp::CanvasInterface> canvas_interface()const { return canvas_interface_; }
 501
 502         void add_actions_to_menu(Gtk::Menu *menu,   const synfigapp::Action::ParamList &param_list, synfigapp::Action::Category category=synfigapp::Action::CATEGORY_ALL)const;
 503
 504         //! Updates the title of the window
 505         void update_title();
 506
 507         //! Closes this canvas view
 508         bool close();
 509
 510         //!     Stops the currently executing action
 511         /*! \see get_cancel_status(), reset_cancel_status(), IsWorking */
 512         void stop() { cancel=true; }
 513
 514         //! Returns the cancel status
 515         /*! \see stop(), reset_cancel_status(), IsWorking */
 516         bool get_cancel_status()const { return cancel; }
 517
 518         //! Resets the cancel status
 519         /*! \see stop(), get_cancel_status(), IsWorking */
 520         void reset_cancel_status() { cancel=false; }
 521
 522         void new_child_canvas();
 523
 524         //! Rebuilds layer_tree_store_ from the Canvas. Maintains selected items.
 525         void rebuild_tables();
 526
 527         //! Builds layer_tree_store_ from the Canvas. Does not maintain selected items.
 528         void build_tables();
 529
 530         //! Refreshes the data for the tables
 531         void refresh_tables();
 532
 533         //void rebuild_layer_table();
 534         //void build_layer_table();
 535         //void refresh_layer_table();
 536
 537 //      void rebuild_canvas_table();
 538 //      void build_canvas_table();
 539 //      void refresh_canvas_table();
 540
 541 //      void rebuild_valuenode_table();
 542 //      void build_valuenode_table();
 543 //      void refresh_valuenode_table();
 544
 545         //! \writeme
 546         void rebuild_ducks();
 547
 548         //bool add_to_ducks(synfigapp::ValueDesc value_desc, synfig::ParamDesc *param_desc=NULL);
 549
 550         //! Starts "playing" the animation in real-time
 551         void play();
 552
 553         //! Shows the tables (Layer/Children)
 554         void show_tables();
 555
 556         //! Hides the tables (Layer/Children)
 557         void hide_tables();
 558
 559         //! Toggles the tables
 560         void toggle_tables();
 561
 562         //! Gets the table status
 563         bool tables_are_visible();
 564
 565         //! Shows the time bar
 566         void show_timebar();
 567
 568         //! Hides the time bar
 569         void hide_timebar();
 570
 571         void do_rotoscope_bline();
 572
 573         void do_rotoscope();
 574
 575         void do_rotoscope_poly();
 576
 577         void do_eyedrop();
 578
 579         void time_zoom_in();
 580         void time_zoom_out();
 581
 582         void add_layer(synfig::String x);
 583
 584         void show_keyframe_dialog();
 585
 586         void play_audio(float t);
 587         void stop_audio();
 588
 589         void image_import();
 590
 591         void on_waypoint_clicked(synfigapp::ValueDesc,synfig::Waypoint, int button);
 592
 593         void preview_option() {on_preview_option();}
 594
 595         void present();
 596
 597         /*
 598  -- ** -- S I G N A L   T E R M I N A L S -------------------------------------
 599         */
 600
 601 private:
 602
 603         void on_unselect_layers();
 604
 605         void on_input_device_changed(GdkDevice*);
 606
 607         virtual void on_hide();
 608
 609         virtual bool on_focus_in_event(GdkEventFocus*);
 610         virtual bool on_focus_out_event(GdkEventFocus*);
 611
 612         //bool on_children_tree_event(GdkEvent *event);
 613
 614         bool on_keyframe_tree_event(GdkEvent *event);
 615
 616         //void on_children_edited_value(const Glib::ustring&path_string,synfig::ValueBase value);
 617
 618         void on_dirty_preview();
 619
 620         bool on_children_user_click(int, Gtk::TreeRow, ChildrenTree::ColumnID);
 621
 622         bool on_layer_user_click(int, Gtk::TreeRow, LayerTree::ColumnID);
 623
 624 //      void on_layer_toggle(const Glib::ustring& path_string, Gtk::TreeModelColumn<bool> column);
 625
 626         void on_mode_changed(synfigapp::CanvasInterface::Mode mode);
 627
 628 //      void on_layer_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 629
 630         //void on_children_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 631
 632         void on_waypoint_changed();
 633
 634         void on_waypoint_delete();
 635
 636         void on_refresh_pressed();
 637
 638         void on_id_changed();
 639
 640         void on_time_changed();
 641
 642         /*
 643         void on_layer_raise_pressed();
 644         void on_layer_lower_pressed();
 645         void on_layer_duplicate_pressed();
 646         void on_layer_delete_pressed();
 647         */
 648
 649         void on_keyframe_add_pressed();
 650
 651         void on_keyframe_duplicate_pressed();
 652
 653         void on_keyframe_remove_pressed();
 654
 655         void on_animate_button_pressed();
 656
 657         void on_keyframe_button_pressed();
 658
 659         void on_preview_option();
 660         void on_preview_create(const PreviewInfo &);
 661
 662         void on_audio_option();
 663         void on_audio_file_change(const std::string &f);
 664         void on_audio_offset_change(const synfig::Time &t);
 665
 666         void on_audio_file_notify();
 667         void on_audio_offset_notify();
 668
 669         bool on_duck_changed(const synfig::Point &value,const synfigapp::ValueDesc& value_desc);
 670
 671         void on_layer_toggle(synfig::Layer::Handle);
 672
 673         void on_edited_value(synfigapp::ValueDesc,synfig::ValueBase);
 674
 675         //void on_waypoint_clicked(synfigapp::ValueDesc,synfig::ValueNode_Animated::WaypointList::iterator, int button);
 676
 677         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);
 678
 679         //void on_audio_play();
 680         bool on_audio_scrub();
 681
 682 protected:
 683         bool on_delete_event(GdkEventAny* event);
 684
 685         /*
 686  -- ** -- S T A T I C   P U B L I C   M E T H O D S ---------------------------
 687         */
 688
 689 public:
 690
 691         static etl::handle<studio::CanvasView> create(etl::loose_handle<Instance> instance,etl::handle<synfig::Canvas> canvas);
 692 }; // END of class CanvasView
 693
 694 }; // END of namespace studio
 695
 696 /* === E N D =============================================================== */
 697
 698 #endif