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
  70 #include "duckmatic.h"
  71 #include <gtkmm/scale.h>
  72
  73 #include <gtkmm/uimanager.h>
  74
  75 #include "smach.h"
  76
  77 #include <memory>
  78 #include <set>
  79 #include <map>
  80 #include <gtkmm/toggleaction.h>
  81 #include <gtkmm/radioaction.h>
  82 #include <synfig/rect.h>
  83
  84 #include "adjust_window.h"
  85
  86 #include <synfig/transform.h>
  87
  88 /* === M A C R O S ========================================================= */
  89
  90 #ifndef DEBUGPOINT_CLASS
  91 #if     _DEBUG
  92 #define DEBUGPOINT_CLASS(x)             struct debugpointclass_ ## x { debugpointclass_ ## x () { DEBUGPOINT(); } ~debugpointclass_ ## x () { DEBUGPOINT(); } } badfthguae_ ## x ;
  93 #else
  94 #define DEBUGPOINT_CLASS(x)
  95 #endif
  96 #endif
  97
  98 /* === T Y P E D E F S ===================================================== */
  99
 100 /* === C L A S S E S & S T R U C T S ======================================= */
 101
 102 namespace synfig {
 103         class TransformStack;
 104 }
 105
 106 namespace studio {
 107
 108 class CanvasViewUIInterface;
 109 class CanvasViewSelectionManager;
 110
 111 class CellRenderer_TimeTrack;
 112 class CellRenderer_ValueBase;
 113 class UniversalScrubber;
 114 class WorkArea;
 115
 116 class Duckmatic;
 117
 118 class Preview;
 119 struct PreviewInfo;
 120 class AudioContainer;
 121
 122 class Widget_Sound;
 123 class Widget_Timeslider;
 124 class Widget_Time;
 125
 126 class Dialog_SoundSelect;
 127 class Dialog_Preview;
 128
 129 class Dock_Layers;
 130 class Dock_Children;
 131 class Dock_Keyframes;
 132
 133 class CanvasView : public Gtk::Window, public etl::shared_object
 134 {
 135         friend class UniversalScrubber;
 136         friend class Dock_Layers;
 137         friend class Dock_Children;
 138         friend class Dock_Keyframes;
 139
 140         friend class CanvasViewUIInterface;
 141         friend class CanvasViewSelectionManager;
 142
 143         friend class Duckmatic;
 144
 145         /*
 146  -- ** -- P U B L I C   T Y P E S ---------------------------------------------
 147         */
 148
 149 public:
 150
 151         typedef etl::handle<CanvasView> Handle;
 152
 153         typedef etl::handle<const CanvasView> ConstHandle;
 154
 155         typedef etl::loose_handle<CanvasView> LooseHandle;
 156
 157         typedef LayerTreeStore::Model LayerTreeModel;
 158
 159         typedef ChildrenTreeStore::Model ChildrenTreeModel;
 160
 161         //! Create an instance of this class whenever doing a longer task.
 162         /*! Make sure that you check the bool value of this class occasionally
 163         **      to make sure the action has not been canceled. */
 164         class IsWorking
 165         {
 166                 CanvasView &canvas_view_;
 167
 168         public:
 169                 IsWorking(CanvasView &canvas_view_);
 170                 ~IsWorking();
 171                 operator bool()const;
 172         };
 173         friend class IsWorking;
 174
 175         typedef synfigapp::CanvasInterface::Mode Mode;
 176
 177         void set_grid_snap_toggle(bool flag) { grid_snap_toggle->set_active(flag); }
 178         void set_grid_show_toggle(bool flag) { grid_show_toggle->set_active(flag); }
 179
 180         /*
 181  -- ** -- P R I V A T E   D A T A ---------------------------------------------
 182         */
 183
 184 public:
 185         std::auto_ptr<WorkArea> work_area;
 186
 187         WorkArea* get_work_area() { return work_area.get(); }
 188 private:
 189
 190         synfig::TransformStack curr_transform_stack;
 191         bool curr_transform_stack_set;
 192
 193         synfig::Rect bbox;
 194
 195         // DEBUGPOINT_CLASS(1);
 196
 197         //! State Machine
 198         Smach smach_;
 199
 200         // DEBUGPOINT_CLASS(2);
 201
 202         etl::loose_handle<Instance> instance_;
 203         etl::handle<synfigapp::CanvasInterface> canvas_interface_;
 204
 205         // DEBUGPOINT_CLASS(3);
 206
 207         //! Sound and information to play it
 208         etl::handle<AudioContainer>             audio;
 209         studio::Widget_Sound                    *disp_audio; //should this be put into thing too?
 210
 211         sigc::connection                                playcon;
 212         sigc::connection                                stopcon;
 213
 214         std::auto_ptr<UniversalScrubber> universal_scrubber;
 215
 216         //! Tooltip controller
 217         Gtk::Tooltips tooltips;
 218
 219         // DEBUGPOINT_CLASS(4);
 220
 221         //! TreeModel for the layers
 222         LayerTreeModel layer_tree_model;
 223
 224         //! TreeModel for the the children
 225         ChildrenTreeModel children_tree_model;
 226
 227         //Glib::RefPtr<LayerTreeStore> layer_tree_store_;
 228
 229         //Glib::RefPtr<ChildrenTreeStore> children_tree_store_;
 230
 231         //Glib::RefPtr<KeyframeTreeStore> keyframe_tree_store_;
 232
 233         // DEBUGPOINT_CLASS(5);
 234
 235         //std::map<synfig::String,Glib::RefPtr<Gtk::TreeModel> > tree_model_book_;
 236         std::map<synfig::String,Glib::RefPtr<Glib::ObjectBase> > ref_obj_book_;
 237         std::map<synfig::String,Gtk::Widget*> ext_widget_book_;
 238
 239         //! The time adjustment's scope is defined by the time_window adjustment
 240         Gtk::Adjustment time_adjustment_;
 241
 242         //! The time_window adjustment governs the position of the time window on the whole time line
 243         //Gtk::Adjustment time_window_adjustment_;
 244         studio::Adjust_Window time_window_adjustment_;
 245
 246         LayerTree *layer_tree;
 247
 248         ChildrenTree *children_tree;
 249
 250         KeyframeTree *keyframe_tree;
 251
 252         Gtk::Widget *keyframe_tab_child;
 253
 254         Gtk::ProgressBar *progressbar;
 255         Gtk::Statusbar *statusbar;
 256
 257         Gtk::TreeRow children_canvas_row;
 258         Gtk::TreeRow children_valuenode_row;
 259
 260         Gtk::Button *stopbutton;
 261         Gtk::Button *refreshbutton;
 262         Gtk::Button *treetogglebutton;  // not used
 263         Gtk::Notebook *notebook; // not used
 264         Gtk::Table *timebar;
 265         Gtk::Button *animatebutton;
 266         Gtk::Button *keyframebutton;
 267         FrameDial *framedial;
 268
 269
 270         //! Shows current time and allows edition
 271         Widget_Time *current_time_widget;
 272         void on_current_time_widget_changed();
 273
 274         //! Time slider class. Same than the Time track panel
 275         std::auto_ptr<Widget_Timeslider> timeslider;
 276
 277         std::list<sigc::connection> duck_changed_connections;
 278
 279 /*      DEBUGPOINT_CLASS(8);
 280
 281         Gtk::Menu duckmaskmenu;
 282         DEBUGPOINT_CLASS(77);
 283         Gtk::Menu qualitymenu;
 284         DEBUGPOINT_CLASS(6);
 285
 286         Gtk::Menu filemenu;
 287         DEBUGPOINT_CLASS(777);
 288         Gtk::Menu editmenu;
 289         DEBUGPOINT_CLASS(71);
 290         Gtk::Menu canvasmenu;
 291         DEBUGPOINT_CLASS(73);
 292 public:
 293         Gtk::Menu layermenu;
 294 private:
 295         DEBUGPOINT_CLASS(74);
 296         Gtk::Menu newlayermenu;
 297         DEBUGPOINT_CLASS(76);
 298         Gtk::Menu viewmenu;
 299
 300         DEBUGPOINT_CLASS(99);
 301         Gtk::Menu keyframemenu;
 302
 303         Gtk::Menu parammenu;
 304         DEBUGPOINT_CLASS(9);
 305         Gtk::Menu trackmenu;
 306         DEBUGPOINT_CLASS(7);
 307
 308         Gtk::CheckMenuItem* duck_mask_position;
 309         Gtk::CheckMenuItem* duck_mask_vertex;
 310         Gtk::CheckMenuItem* duck_mask_tangent;
 311         Gtk::CheckMenuItem* duck_mask_radius;
 312         Gtk::CheckMenuItem* duck_mask_width;
 313         Gtk::CheckMenuItem* duck_mask_angle;
 314 */
 315         //! Menu members
 316         Gtk::Menu parammenu;
 317
 318         Glib::RefPtr<Gtk::ToggleAction> grid_snap_toggle;
 319         Glib::RefPtr<Gtk::ToggleAction> grid_show_toggle;
 320
 321         Gtk::RadioButtonGroup quality_group;
 322         Gtk::RadioButtonGroup low_res_pixel_size_group;
 323
 324         Glib::RefPtr<Gtk::ActionGroup> action_group;
 325
 326         etl::handle<synfigapp::UIInterface> ui_interface_;
 327         etl::handle<synfigapp::SelectionManager> selection_manager_;
 328
 329         bool is_playing_;
 330
 331         sigc::signal<void> signal_deleted_;
 332
 333         bool rebuild_ducks_queued;
 334         sigc::connection queue_rebuild_ducks_connection;
 335
 336         /*
 337  -- ** -- P U B L I C   D A T A -----------------------------------------------
 338         */
 339
 340 public:
 341         void queue_rebuild_ducks();
 342         sigc::signal<void>& signal_deleted() { return signal_deleted_; }
 343
 344         Gtk::Menu mainmenu;
 345
 346         bool duck_refresh_flag;
 347         bool duck_refresh_needed;
 348
 349         //! This is for the IsWorking class.
 350         int working_depth;
 351
 352         bool cancel;
 353
 354         /*
 355  -- ** -- D I A L O G S -------------------------------------------------------
 356         */
 357
 358 public:
 359
 360         CanvasProperties canvas_properties;
 361         CanvasOptions canvas_options;
 362         RenderSettings render_settings;
 363         Dialog_Waypoint waypoint_dialog;
 364         Dialog_Keyframe keyframe_dialog;
 365
 366         std::auto_ptr<Dialog_Preview>                   preview_dialog;
 367         //std::auto_ptr<Dialog_PreviewOptions>  previewoption_dialog;
 368         std::auto_ptr<Dialog_SoundSelect>               sound_dialog;
 369
 370         /*
 371  -- ** -- P R I V A T E   M E T H O D S ---------------------------------------
 372         */
 373
 374 private:
 375
 376         // Constructor is private to force the use of the "create()" constructor
 377         CanvasView(etl::loose_handle<Instance> instance,etl::handle<synfigapp::CanvasInterface> canvas_interface);
 378
 379         //! Constructor Helper
 380         // Gtk::Widget* create_layer_tree();
 381
 382         //! Constructor Helper
 383         // Gtk::Widget* create_children_tree();
 384
 385         //! Constructor Helper
 386         // Gtk::Widget* create_keyframe_tree();
 387
 388         //! Constructor Helper
 389         Gtk::Widget* create_status_bar();
 390
 391         //! Constructor Helper - Initializes all of the menus
 392         void init_menus();
 393
 394         bool duck_change_param(const synfig::Point &value,synfig::Layer::Handle layer, synfig::String param_name);
 395
 396         void refresh_time_window();
 397
 398         void time_was_changed();
 399
 400         void refresh_rend_desc();
 401
 402         void toggle_duck_mask(Duckmatic::Type type);
 403
 404         Gtk::Widget *create_work_area();
 405
 406         Gtk::Widget *create_time_bar();
 407
 408         //! Pop up menu for the bezier (bline, draw) tool (?)
 409         void popup_param_menu_bezier(float location, synfigapp::ValueDesc value_desc)
 410         { popup_param_menu(value_desc,location,true); }
 411
 412         //! Pop up menu for the tools but not the bezier ones.
 413         void popup_param_menu(synfigapp::ValueDesc value_desc, float location=0, bool bezier=false);
 414
 415         void workarea_layer_selected(synfig::Layer::Handle layer);
 416
 417         void selected_layer_color_set(synfig::Color color);
 418
 419         void register_layer_type(synfig::Layer::Book::value_type &lyr,std::map<synfig::String,Gtk::Menu*>*);
 420
 421         //! Rebuilds the "new layer" menu
 422         void build_new_layer_menu(Gtk::Menu &menu);
 423
 424         void rebuild_ducks_layer_(synfig::TransformStack& transform_stack, synfig::Canvas::Handle canvas, std::set<synfig::Layer::Handle>& selected_list);
 425
 426         void decrease_low_res_pixel_size();
 427         void increase_low_res_pixel_size();
 428
 429         /*
 430  -- ** -- P U B L I C   M E T H O D S -----------------------------------------
 431         */
 432
 433 public:
 434         const synfig::TransformStack& get_curr_transform_stack()const { return curr_transform_stack; }
 435
 436         const synfig::Rect& get_bbox()const { return bbox; }
 437
 438         Glib::RefPtr<Glib::ObjectBase> get_ref_obj(const synfig::String& x);
 439         Glib::RefPtr<const Glib::ObjectBase> get_ref_obj(const synfig::String& x)const;
 440         void set_ref_obj(const synfig::String& x, Glib::RefPtr<Glib::ObjectBase> y);
 441
 442         Glib::RefPtr<Gtk::TreeModel> get_tree_model(const synfig::String& x);
 443         Glib::RefPtr<const Gtk::TreeModel> get_tree_model(const synfig::String& x)const;
 444         void set_tree_model(const synfig::String& x, Glib::RefPtr<Gtk::TreeModel> y);
 445
 446         Gtk::Widget* get_ext_widget(const synfig::String& x);
 447         void set_ext_widget(const synfig::String& x, Gtk::Widget* y);
 448
 449         //std::map<synfig::String,Gtk::Widget*>& tree_view_book() { return tree_view_book_; }
 450         //std::map<synfig::String,Gtk::Widget*>& ext_widget_book() { return tree_view_book_; }
 451
 452         void popup_main_menu();
 453
 454         Smach& get_smach() { return smach_; }
 455
 456         const Smach& get_smach()const { return smach_; }
 457
 458         Smach::event_result process_event_key(EventKey x);
 459
 460         void popup_layer_menu(synfig::Layer::Handle layer);
 461
 462         virtual ~CanvasView();
 463
 464         void set_mode(Mode x) { canvas_interface()->set_mode(x); }
 465
 466         Mode get_mode()const { return canvas_interface()->get_mode(); }
 467
 468         Gtk::Adjustment &time_adjustment() { return time_adjustment_; }
 469
 470         const Gtk::Adjustment &time_adjustment()const { return time_adjustment_; }
 471
 472         studio::Adjust_Window &time_window_adjustment() { return time_window_adjustment_; }
 473
 474         const studio::Adjust_Window &time_window_adjustment()const { return time_window_adjustment_; }
 475
 476         etl::handle<synfigapp::UIInterface> get_ui_interface() { return ui_interface_;}
 477
 478         etl::handle<synfigapp::SelectionManager> get_selection_manager() { return selection_manager_; }
 479
 480         Glib::RefPtr<Gtk::TreeModel> layer_tree_store() { return get_tree_model("layers"); }
 481
 482         Glib::RefPtr<const Gtk::TreeModel> layer_tree_store()const { return get_tree_model("layers"); }
 483
 484         Glib::RefPtr<Gtk::TreeModel> children_tree_store() { return get_tree_model("children"); }
 485
 486         Glib::RefPtr<const Gtk::TreeModel> children_tree_store()const { return get_tree_model("children"); }
 487
 488         Glib::RefPtr<Gtk::TreeModel> keyframe_tree_store() { return get_tree_model("keyframes"); }
 489
 490         Glib::RefPtr<const Gtk::TreeModel> keyframe_tree_store()const { return get_tree_model("keyframes"); }
 491
 492         void set_time(synfig::Time t) { canvas_interface_->set_time(t); }
 493
 494         synfig::Time get_time() { return canvas_interface_->get_time(); }
 495
 496         etl::handle<synfig::Canvas> get_canvas()const { return canvas_interface_->get_canvas(); }
 497
 498         etl::handle<Instance> get_instance()const { return instance_; }
 499
 500         etl::handle<synfigapp::CanvasInterface> canvas_interface() { return canvas_interface_; }
 501
 502         etl::handle<const synfigapp::CanvasInterface> canvas_interface()const { return canvas_interface_; }
 503
 504         void add_actions_to_menu(Gtk::Menu *menu,   const synfigapp::Action::ParamList &param_list, synfigapp::Action::Category category=synfigapp::Action::CATEGORY_ALL)const;
 505
 506         //! Updates the title of the window
 507         void update_title();
 508
 509         //! Closes this document
 510         bool close_instance();
 511
 512         //! Closes this canvas view
 513         bool close_view();
 514
 515         //!     Stops the currently executing action
 516         /*! \see get_cancel_status(), reset_cancel_status(), IsWorking */
 517         void stop() { cancel=true; }
 518
 519         //! Returns the cancel status
 520         /*! \see stop(), reset_cancel_status(), IsWorking */
 521         bool get_cancel_status()const { return cancel; }
 522
 523         //! Resets the cancel status
 524         /*! \see stop(), get_cancel_status(), IsWorking */
 525         void reset_cancel_status() { cancel=false; }
 526
 527         void new_child_canvas();
 528
 529         //! Rebuilds layer_tree_store_ from the Canvas. Maintains selected items.
 530         void rebuild_tables();
 531
 532         //! Builds layer_tree_store_ from the Canvas. Does not maintain selected items.
 533         void build_tables();
 534
 535         //! Refreshes the data for the tables
 536         void refresh_tables();
 537
 538         //void rebuild_layer_table();
 539         //void build_layer_table();
 540         //void refresh_layer_table();
 541
 542 //      void rebuild_canvas_table();
 543 //      void build_canvas_table();
 544 //      void refresh_canvas_table();
 545
 546 //      void rebuild_valuenode_table();
 547 //      void build_valuenode_table();
 548 //      void refresh_valuenode_table();
 549
 550         //! \writeme
 551         void rebuild_ducks();
 552
 553         //bool add_to_ducks(synfigapp::ValueDesc value_desc, synfig::ParamDesc *param_desc=NULL);
 554
 555         //! Starts "playing" the animation in real-time
 556         void play();
 557
 558         //! Shows the tables (Layer/Children)
 559         void show_tables();
 560
 561         //! Hides the tables (Layer/Children)
 562         void hide_tables();
 563
 564         //! Toggles the tables
 565         void toggle_tables();
 566
 567         //! Gets the table status
 568         bool tables_are_visible();
 569
 570         //! Shows the time bar
 571         void show_timebar();
 572
 573         //! Hides the time bar
 574         void hide_timebar();
 575
 576         //t Enables or disables interaction with the timebar
 577         void set_sensitive_timebar(bool sensitive);
 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_canvasview(synfigapp::ValueDesc,std::set<synfig::Waypoint,std::less<synfig::UniqueID> >, int button);
 592
 593         void preview_option() {on_preview_option();}
 594
 595         void present();
 596
 597         bool is_playing() { return is_playing_; }
 598
 599         /*
 600  -- ** -- S I G N A L   T E R M I N A L S -------------------------------------
 601         */
 602
 603 private:
 604
 605         void on_select_layers();
 606         void on_unselect_layers();
 607
 608         void on_input_device_changed(GdkDevice*);
 609
 610         virtual void on_hide();
 611
 612         virtual bool on_focus_in_event(GdkEventFocus*);
 613         virtual bool on_focus_out_event(GdkEventFocus*);
 614
 615         //bool on_children_tree_event(GdkEvent *event);
 616
 617         bool on_keyframe_tree_event(GdkEvent *event);
 618
 619         //void on_children_edited_value(const Glib::ustring&path_string,synfig::ValueBase value);
 620
 621         void on_dirty_preview();
 622
 623         bool on_children_user_click(int, Gtk::TreeRow, ChildrenTree::ColumnID);
 624
 625         bool on_layer_user_click(int, Gtk::TreeRow, LayerTree::ColumnID);
 626
 627 //      void on_layer_toggle(const Glib::ustring& path_string, Gtk::TreeModelColumn<bool> column);
 628
 629         void on_mode_changed(synfigapp::CanvasInterface::Mode mode);
 630
 631 //      void on_layer_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 632
 633         //void on_children_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 634
 635         void on_waypoint_changed();
 636
 637         void on_waypoint_delete();
 638
 639         void on_refresh_pressed();
 640
 641         void on_id_changed();
 642
 643         void on_time_changed();
 644
 645         /*
 646         void on_layer_raise_pressed();
 647         void on_layer_lower_pressed();
 648         void on_layer_duplicate_pressed();
 649         void on_layer_delete_pressed();
 650         */
 651
 652         void on_keyframe_add_pressed();
 653
 654         void on_keyframe_duplicate_pressed();
 655
 656         void on_keyframe_remove_pressed();
 657
 658         void on_animate_button_pressed();
 659
 660         void on_keyframe_button_pressed();
 661
 662         void on_preview_option();
 663         void on_preview_create(const PreviewInfo &);
 664
 665         void on_audio_option();
 666         void on_audio_file_change(const std::string &f);
 667         void on_audio_offset_change(const synfig::Time &t);
 668
 669         void on_audio_file_notify();
 670         void on_audio_offset_notify();
 671
 672         bool on_duck_changed(const synfig::Point &value,const synfigapp::ValueDesc& value_desc);
 673         bool on_duck_angle_changed(const synfig::Angle &rotation,const synfigapp::ValueDesc& value_desc);
 674
 675         void on_layer_toggle(synfig::Layer::Handle);
 676
 677         void on_edited_value(synfigapp::ValueDesc,synfig::ValueBase);
 678
 679         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);
 680
 681         //void on_audio_play();
 682         bool on_audio_scrub();
 683
 684         void on_play_stop_pressed();
 685
 686 protected:
 687         bool close_instance_when_safe();
 688         bool on_delete_event(GdkEventAny* event);
 689
 690         /*
 691  -- ** -- S T A T I C   P U B L I C   M E T H O D S ---------------------------
 692         */
 693
 694 public:
 695
 696         static etl::handle<studio::CanvasView> create(etl::loose_handle<Instance> instance,etl::handle<synfig::Canvas> canvas);
 697         static std::list<int>& get_pixel_sizes();
 698
 699 }; // END of class CanvasView
 700
 701 }; // END of namespace studio
 702
 703 /* === E N D =============================================================== */
 704
 705 #endif