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, 2008 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 #include "framedial.h"
  69 #include "toggleducksdial.h"
  70
  71 #include "duckmatic.h"
  72 #include <gtkmm/scale.h>
  73
  74 #include <gtkmm/uimanager.h>
  75
  76 #include "smach.h"
  77
  78 #include <memory>
  79 #include <set>
  80 #include <map>
  81 #include <gtkmm/toggleaction.h>
  82 #include <gtkmm/radioaction.h>
  83 #include <synfig/rect.h>
  84
  85 #include "adjust_window.h"
  86
  87 #include <synfig/transform.h>
  88
  89 /* === M A C R O S ========================================================= */
  90
  91 #ifndef DEBUGPOINT_CLASS
  92 #if     _DEBUG
  93 #define DEBUGPOINT_CLASS(x)             struct debugpointclass_ ## x { debugpointclass_ ## x () { DEBUGPOINT(); } ~debugpointclass_ ## x () { DEBUGPOINT(); } } badfthguae_ ## x ;
  94 #else
  95 #define DEBUGPOINT_CLASS(x)
  96 #endif
  97 #endif
  98
  99 /* === T Y P E D E F S ===================================================== */
 100
 101 /* === C L A S S E S & S T R U C T S ======================================= */
 102
 103 namespace synfig {
 104         class TransformStack;
 105 }
 106
 107 namespace studio {
 108
 109 class CanvasViewUIInterface;
 110 class CanvasViewSelectionManager;
 111
 112 class CellRenderer_TimeTrack;
 113 class CellRenderer_ValueBase;
 114 class UniversalScrubber;
 115 class WorkArea;
 116
 117 class Duckmatic;
 118
 119 class Preview;
 120 struct PreviewInfo;
 121 class AudioContainer;
 122
 123 class Widget_Sound;
 124 class Widget_Timeslider;
 125 class Widget_Time;
 126
 127 class Dialog_SoundSelect;
 128 class Dialog_Preview;
 129
 130 class Dock_Layers;
 131 class Dock_Children;
 132 class Dock_Keyframes;
 133
 134 class CanvasView : public Gtk::Window, public etl::shared_object
 135 {
 136         friend class UniversalScrubber;
 137         friend class Dock_Layers;
 138         friend class Dock_Children;
 139         friend class Dock_Keyframes;
 140
 141         friend class CanvasViewUIInterface;
 142         friend class CanvasViewSelectionManager;
 143
 144         friend class Duckmatic;
 145
 146         /*
 147  -- ** -- P U B L I C   T Y P E S ---------------------------------------------
 148         */
 149
 150 public:
 151
 152         typedef etl::handle<CanvasView> Handle;
 153
 154         typedef etl::handle<const CanvasView> ConstHandle;
 155
 156         typedef etl::loose_handle<CanvasView> LooseHandle;
 157
 158         typedef LayerTreeStore::Model LayerTreeModel;
 159
 160         typedef ChildrenTreeStore::Model ChildrenTreeModel;
 161
 162         //! Create an instance of this class whenever doing a longer task.
 163         /*! Make sure that you check the bool value of this class occasionally
 164         **      to make sure the action has not been canceled. */
 165         class IsWorking
 166         {
 167                 CanvasView &canvas_view_;
 168
 169         public:
 170                 IsWorking(CanvasView &canvas_view_);
 171                 ~IsWorking();
 172                 operator bool()const;
 173         };
 174         friend class IsWorking;
 175
 176         typedef synfigapp::CanvasInterface::Mode Mode;
 177
 178         void set_grid_snap_toggle(bool flag) { grid_snap_toggle->set_active(flag); }
 179         void set_grid_show_toggle(bool flag) { grid_show_toggle->set_active(flag); }
 180
 181         /*
 182  -- ** -- P R I V A T E   D A T A ---------------------------------------------
 183         */
 184
 185 public:
 186         std::auto_ptr<WorkArea> work_area;
 187
 188         WorkArea* get_work_area() { return work_area.get(); }
 189 private:
 190
 191         synfig::TransformStack curr_transform_stack;
 192         bool curr_transform_stack_set;
 193
 194         synfig::Rect bbox;
 195
 196         // DEBUGPOINT_CLASS(1);
 197
 198         //! State Machine
 199         Smach smach_;
 200
 201         // DEBUGPOINT_CLASS(2);
 202
 203         etl::loose_handle<Instance> instance_;
 204         etl::handle<synfigapp::CanvasInterface> canvas_interface_;
 205
 206         // DEBUGPOINT_CLASS(3);
 207
 208         //! Sound and information to play it
 209         etl::handle<AudioContainer>             audio;
 210         studio::Widget_Sound                    *disp_audio; //should this be put into thing too?
 211
 212         sigc::connection                                playcon;
 213         sigc::connection                                stopcon;
 214
 215         std::auto_ptr<UniversalScrubber> universal_scrubber;
 216
 217         //! Tooltip controller
 218         Gtk::Tooltips tooltips;
 219
 220         // DEBUGPOINT_CLASS(4);
 221
 222         //! TreeModel for the layers
 223         LayerTreeModel layer_tree_model;
 224
 225         //! TreeModel for the the children
 226         ChildrenTreeModel children_tree_model;
 227
 228         //Glib::RefPtr<LayerTreeStore> layer_tree_store_;
 229
 230         //Glib::RefPtr<ChildrenTreeStore> children_tree_store_;
 231
 232         //Glib::RefPtr<KeyframeTreeStore> keyframe_tree_store_;
 233
 234         // DEBUGPOINT_CLASS(5);
 235
 236         //std::map<synfig::String,Glib::RefPtr<Gtk::TreeModel> > tree_model_book_;
 237         std::map<synfig::String,Glib::RefPtr<Glib::ObjectBase> > ref_obj_book_;
 238         std::map<synfig::String,Gtk::Widget*> ext_widget_book_;
 239
 240         //! The time adjustment's scope is defined by the time_window adjustment
 241         Gtk::Adjustment time_adjustment_;
 242
 243         //! The time_window adjustment governs the position of the time window on the whole time line
 244         //Gtk::Adjustment time_window_adjustment_;
 245         studio::Adjust_Window time_window_adjustment_;
 246
 247         LayerTree *layer_tree;
 248
 249         ChildrenTree *children_tree;
 250
 251         KeyframeTree *keyframe_tree;
 252
 253         Gtk::Widget *keyframe_tab_child;
 254
 255         Gtk::ProgressBar *progressbar;
 256         Gtk::Statusbar *statusbar;
 257
 258         Gtk::TreeRow children_canvas_row;
 259         Gtk::TreeRow children_valuenode_row;
 260
 261         Gtk::Button *stopbutton;
 262         Gtk::Button *refreshbutton;
 263         Gtk::Button *treetogglebutton;  // not used
 264         Gtk::Notebook *notebook; // not used
 265         Gtk::Table *timebar;
 266         Gtk::Button *animatebutton;
 267         Gtk::Button *keyframebutton;
 268         FrameDial *framedial;
 269         ToggleDucksDial *toggleducksdial;
 270
 271
 272         //! Shows current time and allows edition
 273         Widget_Time *current_time_widget;
 274         void on_current_time_widget_changed();
 275
 276         //! Time slider class. Same than the Time track panel
 277         std::auto_ptr<Widget_Timeslider> timeslider;
 278
 279         std::list<sigc::connection> duck_changed_connections;
 280
 281 /*      DEBUGPOINT_CLASS(8);
 282
 283         Gtk::Menu duckmaskmenu;
 284         DEBUGPOINT_CLASS(77);
 285         Gtk::Menu qualitymenu;
 286         DEBUGPOINT_CLASS(6);
 287
 288         Gtk::Menu filemenu;
 289         DEBUGPOINT_CLASS(777);
 290         Gtk::Menu editmenu;
 291         DEBUGPOINT_CLASS(71);
 292         Gtk::Menu canvasmenu;
 293         DEBUGPOINT_CLASS(73);
 294 public:
 295         Gtk::Menu layermenu;
 296 private:
 297         DEBUGPOINT_CLASS(74);
 298         Gtk::Menu newlayermenu;
 299         DEBUGPOINT_CLASS(76);
 300         Gtk::Menu viewmenu;
 301
 302         DEBUGPOINT_CLASS(99);
 303         Gtk::Menu keyframemenu;
 304
 305         Gtk::Menu parammenu;
 306         DEBUGPOINT_CLASS(9);
 307         Gtk::Menu trackmenu;
 308         DEBUGPOINT_CLASS(7);
 309
 310         Gtk::CheckMenuItem* duck_mask_position;
 311         Gtk::CheckMenuItem* duck_mask_vertex;
 312         Gtk::CheckMenuItem* duck_mask_tangent;
 313         Gtk::CheckMenuItem* duck_mask_radius;
 314         Gtk::CheckMenuItem* duck_mask_width;
 315         Gtk::CheckMenuItem* duck_mask_angle;
 316 */
 317         //! Menu members
 318         Gtk::Menu parammenu;
 319
 320         Glib::RefPtr<Gtk::ToggleAction> grid_snap_toggle;
 321         Glib::RefPtr<Gtk::ToggleAction> grid_show_toggle;
 322
 323         Gtk::RadioButtonGroup quality_group;
 324         Gtk::RadioButtonGroup low_res_pixel_size_group;
 325
 326         Glib::RefPtr<Gtk::ActionGroup> action_group;
 327
 328         etl::handle<synfigapp::UIInterface> ui_interface_;
 329         etl::handle<synfigapp::SelectionManager> selection_manager_;
 330
 331         bool is_playing_;
 332
 333         sigc::signal<void> signal_deleted_;
 334
 335         bool rebuild_ducks_queued;
 336         sigc::connection queue_rebuild_ducks_connection;
 337
 338         /*
 339  -- ** -- P U B L I C   D A T A -----------------------------------------------
 340         */
 341
 342 public:
 343         void queue_rebuild_ducks();
 344         sigc::signal<void>& signal_deleted() { return signal_deleted_; }
 345
 346         Gtk::Menu mainmenu;
 347
 348         bool duck_refresh_flag;
 349         bool duck_refresh_needed;
 350
 351         //! This is for the IsWorking class.
 352         int working_depth;
 353
 354         bool cancel;
 355
 356         /*
 357  -- ** -- D I A L O G S -------------------------------------------------------
 358         */
 359
 360 public:
 361
 362         CanvasProperties canvas_properties;
 363         CanvasOptions canvas_options;
 364         RenderSettings render_settings;
 365         Dialog_Waypoint waypoint_dialog;
 366         Dialog_Keyframe keyframe_dialog;
 367
 368         std::auto_ptr<Dialog_Preview>                   preview_dialog;
 369         //std::auto_ptr<Dialog_PreviewOptions>  previewoption_dialog;
 370         std::auto_ptr<Dialog_SoundSelect>               sound_dialog;
 371
 372         /*
 373  -- ** -- P R I V A T E   M E T H O D S ---------------------------------------
 374         */
 375
 376 private:
 377
 378         // Constructor is private to force the use of the "create()" constructor
 379         CanvasView(etl::loose_handle<Instance> instance,etl::handle<synfigapp::CanvasInterface> canvas_interface);
 380
 381         //! Constructor Helper
 382         // Gtk::Widget* create_layer_tree();
 383
 384         //! Constructor Helper
 385         // Gtk::Widget* create_children_tree();
 386
 387         //! Constructor Helper
 388         // Gtk::Widget* create_keyframe_tree();
 389
 390         //! Constructor Helper
 391         Gtk::Widget* create_status_bar();
 392
 393         //! Constructor Helper - Initializes all of the menus
 394         void init_menus();
 395
 396         bool duck_change_param(const synfig::Point &value,synfig::Layer::Handle layer, synfig::String param_name);
 397
 398         void refresh_time_window();
 399
 400         void time_was_changed();
 401
 402         void refresh_rend_desc();
 403
 404         void toggle_duck_mask(Duckmatic::Type type);
 405
 406         Gtk::Widget *create_work_area();
 407
 408         Gtk::Widget *create_time_bar();
 409
 410         //! Pop up menu for the bezier (bline, draw) tool (?)
 411         void popup_param_menu_bezier(float location, synfigapp::ValueDesc value_desc)
 412         { popup_param_menu(value_desc,location,true); }
 413
 414         //! Pop up menu for the tools but not the bezier ones.
 415         void popup_param_menu(synfigapp::ValueDesc value_desc, float location=0, bool bezier=false);
 416
 417         void workarea_layer_selected(synfig::Layer::Handle layer);
 418
 419         void selected_layer_color_set(synfig::Color color);
 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         void decrease_low_res_pixel_size();
 429         void increase_low_res_pixel_size();
 430
 431         /*
 432  -- ** -- P U B L I C   M E T H O D S -----------------------------------------
 433         */
 434
 435 public:
 436         const synfig::TransformStack& get_curr_transform_stack()const { return curr_transform_stack; }
 437
 438         const synfig::Rect& get_bbox()const { return bbox; }
 439
 440         Glib::RefPtr<Glib::ObjectBase> get_ref_obj(const synfig::String& x);
 441         Glib::RefPtr<const Glib::ObjectBase> get_ref_obj(const synfig::String& x)const;
 442         void set_ref_obj(const synfig::String& x, Glib::RefPtr<Glib::ObjectBase> y);
 443
 444         Glib::RefPtr<Gtk::TreeModel> get_tree_model(const synfig::String& x);
 445         Glib::RefPtr<const Gtk::TreeModel> get_tree_model(const synfig::String& x)const;
 446         void set_tree_model(const synfig::String& x, Glib::RefPtr<Gtk::TreeModel> y);
 447
 448         Gtk::Widget* get_ext_widget(const synfig::String& x);
 449         void set_ext_widget(const synfig::String& x, Gtk::Widget* y);
 450
 451         //std::map<synfig::String,Gtk::Widget*>& tree_view_book() { return tree_view_book_; }
 452         //std::map<synfig::String,Gtk::Widget*>& ext_widget_book() { return tree_view_book_; }
 453
 454         void popup_main_menu();
 455
 456         Smach& get_smach() { return smach_; }
 457
 458         const Smach& get_smach()const { return smach_; }
 459
 460         Smach::event_result process_event_key(EventKey x);
 461
 462         void popup_layer_menu(synfig::Layer::Handle layer);
 463
 464         virtual ~CanvasView();
 465
 466         void set_mode(Mode x) { canvas_interface()->set_mode(x); }
 467
 468         Mode get_mode()const { return canvas_interface()->get_mode(); }
 469
 470         Gtk::Adjustment &time_adjustment() { return time_adjustment_; }
 471
 472         const Gtk::Adjustment &time_adjustment()const { return time_adjustment_; }
 473
 474         studio::Adjust_Window &time_window_adjustment() { return time_window_adjustment_; }
 475
 476         const studio::Adjust_Window &time_window_adjustment()const { return time_window_adjustment_; }
 477
 478         etl::handle<synfigapp::UIInterface> get_ui_interface() { return ui_interface_;}
 479
 480         etl::handle<synfigapp::SelectionManager> get_selection_manager() { return selection_manager_; }
 481
 482         Glib::RefPtr<Gtk::TreeModel> layer_tree_store() { return get_tree_model("layers"); }
 483
 484         Glib::RefPtr<const Gtk::TreeModel> layer_tree_store()const { return get_tree_model("layers"); }
 485
 486         Glib::RefPtr<Gtk::TreeModel> children_tree_store() { return get_tree_model("children"); }
 487
 488         Glib::RefPtr<const Gtk::TreeModel> children_tree_store()const { return get_tree_model("children"); }
 489
 490         Glib::RefPtr<Gtk::TreeModel> keyframe_tree_store() { return get_tree_model("keyframes"); }
 491
 492         Glib::RefPtr<const Gtk::TreeModel> keyframe_tree_store()const { return get_tree_model("keyframes"); }
 493
 494         void set_time(synfig::Time t) { canvas_interface_->set_time(t); }
 495
 496         synfig::Time get_time() { return canvas_interface_->get_time(); }
 497
 498         etl::handle<synfig::Canvas> get_canvas()const { return canvas_interface_->get_canvas(); }
 499
 500         etl::handle<Instance> get_instance()const { return instance_; }
 501
 502         etl::handle<synfigapp::CanvasInterface> canvas_interface() { return canvas_interface_; }
 503
 504         etl::handle<const synfigapp::CanvasInterface> canvas_interface()const { return canvas_interface_; }
 505
 506         void add_actions_to_menu(Gtk::Menu *menu,   const synfigapp::Action::ParamList &param_list, synfigapp::Action::Category category=synfigapp::Action::CATEGORY_ALL)const;
 507
 508         //! Updates the title of the window
 509         void update_title();
 510
 511         //! Closes this document
 512         bool close_instance();
 513
 514         //! Closes this canvas view
 515         bool close_view();
 516
 517         //!     Stops the currently executing action
 518         /*! \see get_cancel_status(), reset_cancel_status(), IsWorking */
 519         void stop() { cancel=true; }
 520
 521         //! Returns the cancel status
 522         /*! \see stop(), reset_cancel_status(), IsWorking */
 523         bool get_cancel_status()const { return cancel; }
 524
 525         //! Resets the cancel status
 526         /*! \see stop(), get_cancel_status(), IsWorking */
 527         void reset_cancel_status() { cancel=false; }
 528
 529         void new_child_canvas();
 530
 531         //! Rebuilds layer_tree_store_ from the Canvas. Maintains selected items.
 532         void rebuild_tables();
 533
 534         //! Builds layer_tree_store_ from the Canvas. Does not maintain selected items.
 535         void build_tables();
 536
 537         //! Refreshes the data for the tables
 538         void refresh_tables();
 539
 540         //void rebuild_layer_table();
 541         //void build_layer_table();
 542         //void refresh_layer_table();
 543
 544 //      void rebuild_canvas_table();
 545 //      void build_canvas_table();
 546 //      void refresh_canvas_table();
 547
 548 //      void rebuild_valuenode_table();
 549 //      void build_valuenode_table();
 550 //      void refresh_valuenode_table();
 551
 552         //! \writeme
 553         void rebuild_ducks();
 554
 555         //bool add_to_ducks(synfigapp::ValueDesc value_desc, synfig::ParamDesc *param_desc=NULL);
 556
 557         //! Starts "playing" the animation in real-time
 558         void play();
 559
 560         //! Shows the tables (Layer/Children)
 561         void show_tables();
 562
 563         //! Hides the tables (Layer/Children)
 564         void hide_tables();
 565
 566         //! Toggles the tables
 567         void toggle_tables();
 568
 569         //! Gets the table status
 570         bool tables_are_visible();
 571
 572         //! Shows the time bar
 573         void show_timebar();
 574
 575         //! Hides the time bar
 576         void hide_timebar();
 577
 578         //t Enables or disables interaction with the timebar
 579         void set_sensitive_timebar(bool sensitive);
 580
 581         void time_zoom_in();
 582         void time_zoom_out();
 583
 584         void add_layer(synfig::String x);
 585
 586         void show_keyframe_dialog();
 587
 588         void play_audio(float t);
 589         void stop_audio();
 590
 591         void image_import();
 592
 593         void on_waypoint_clicked_canvasview(synfigapp::ValueDesc,std::set<synfig::Waypoint,std::less<synfig::UniqueID> >, int button);
 594
 595         void preview_option() {on_preview_option();}
 596
 597         void present();
 598
 599         bool is_playing() { return is_playing_; }
 600
 601         /*
 602  -- ** -- S I G N A L   T E R M I N A L S -------------------------------------
 603         */
 604
 605 private:
 606
 607         void on_select_layers();
 608         void on_unselect_layers();
 609
 610         void on_input_device_changed(GdkDevice*);
 611
 612         virtual void on_hide();
 613
 614         virtual bool on_focus_in_event(GdkEventFocus*);
 615         virtual bool on_focus_out_event(GdkEventFocus*);
 616
 617         //bool on_children_tree_event(GdkEvent *event);
 618
 619         bool on_keyframe_tree_event(GdkEvent *event);
 620
 621         //void on_children_edited_value(const Glib::ustring&path_string,synfig::ValueBase value);
 622
 623         void on_dirty_preview();
 624
 625         bool on_children_user_click(int, Gtk::TreeRow, ChildrenTree::ColumnID);
 626
 627         bool on_layer_user_click(int, Gtk::TreeRow, LayerTree::ColumnID);
 628
 629 //      void on_layer_toggle(const Glib::ustring& path_string, Gtk::TreeModelColumn<bool> column);
 630
 631         void on_mode_changed(synfigapp::CanvasInterface::Mode mode);
 632
 633 //      void on_layer_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 634
 635         //void on_children_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 636
 637         void on_waypoint_changed();
 638
 639         void on_waypoint_delete();
 640
 641         void on_refresh_pressed();
 642
 643         void on_id_changed();
 644
 645         void on_time_changed();
 646
 647         /*
 648         void on_layer_raise_pressed();
 649         void on_layer_lower_pressed();
 650         void on_layer_duplicate_pressed();
 651         void on_layer_delete_pressed();
 652         */
 653
 654         void on_keyframe_add_pressed();
 655
 656         void on_keyframe_duplicate_pressed();
 657
 658         void on_keyframe_remove_pressed();
 659
 660         void on_animate_button_pressed();
 661
 662         void on_keyframe_button_pressed();
 663
 664         void on_preview_option();
 665         void on_preview_create(const PreviewInfo &);
 666
 667         void on_audio_option();
 668         void on_audio_file_change(const std::string &f);
 669         void on_audio_offset_change(const synfig::Time &t);
 670
 671         void on_audio_file_notify();
 672         void on_audio_offset_notify();
 673
 674         bool on_duck_changed(const synfig::Point &value,const synfigapp::ValueDesc& value_desc);
 675         bool on_duck_angle_changed(const synfig::Angle &rotation,const synfigapp::ValueDesc& value_desc);
 676
 677         void on_layer_toggle(synfig::Layer::Handle);
 678
 679         void on_edited_value(synfigapp::ValueDesc,synfig::ValueBase);
 680
 681         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);
 682
 683         //void on_audio_play();
 684         bool on_audio_scrub();
 685
 686         void on_play_stop_pressed();
 687
 688 protected:
 689         bool close_instance_when_safe();
 690         bool on_delete_event(GdkEventAny* event);
 691
 692         /*
 693  -- ** -- S T A T I C   P U B L I C   M E T H O D S ---------------------------
 694         */
 695
 696 public:
 697
 698         static etl::handle<studio::CanvasView> create(etl::loose_handle<Instance> instance,etl::handle<synfig::Canvas> canvas);
 699         static std::list<int>& get_pixel_sizes();
 700
 701 }; // END of class CanvasView
 702
 703 }; // END of namespace studio
 704
 705 /* === E N D =============================================================== */
 706
 707 #endif