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         bool toggling_ducks_;
 271
 272
 273         //! Shows current time and allows edition
 274         Widget_Time *current_time_widget;
 275         void on_current_time_widget_changed();
 276
 277         //! Time slider class. Same than the Time track panel
 278         std::auto_ptr<Widget_Timeslider> timeslider;
 279
 280         std::list<sigc::connection> duck_changed_connections;
 281
 282 /*      DEBUGPOINT_CLASS(8);
 283
 284         Gtk::Menu duckmaskmenu;
 285         DEBUGPOINT_CLASS(77);
 286         Gtk::Menu qualitymenu;
 287         DEBUGPOINT_CLASS(6);
 288
 289         Gtk::Menu filemenu;
 290         DEBUGPOINT_CLASS(777);
 291         Gtk::Menu editmenu;
 292         DEBUGPOINT_CLASS(71);
 293         Gtk::Menu canvasmenu;
 294         DEBUGPOINT_CLASS(73);
 295 public:
 296         Gtk::Menu layermenu;
 297 private:
 298         DEBUGPOINT_CLASS(74);
 299         Gtk::Menu newlayermenu;
 300         DEBUGPOINT_CLASS(76);
 301         Gtk::Menu viewmenu;
 302
 303         DEBUGPOINT_CLASS(99);
 304         Gtk::Menu keyframemenu;
 305
 306         Gtk::Menu parammenu;
 307         DEBUGPOINT_CLASS(9);
 308         Gtk::Menu trackmenu;
 309         DEBUGPOINT_CLASS(7);
 310
 311         Gtk::CheckMenuItem* duck_mask_position;
 312         Gtk::CheckMenuItem* duck_mask_vertex;
 313         Gtk::CheckMenuItem* duck_mask_tangent;
 314         Gtk::CheckMenuItem* duck_mask_radius;
 315         Gtk::CheckMenuItem* duck_mask_width;
 316         Gtk::CheckMenuItem* duck_mask_angle;
 317 */
 318         //! Menu members
 319         Gtk::Menu parammenu;
 320
 321         Glib::RefPtr<Gtk::ToggleAction> grid_snap_toggle;
 322         Glib::RefPtr<Gtk::ToggleAction> grid_show_toggle;
 323
 324         Gtk::RadioButtonGroup quality_group;
 325         Gtk::RadioButtonGroup low_res_pixel_size_group;
 326
 327         Glib::RefPtr<Gtk::ActionGroup> action_group;
 328
 329         etl::handle<synfigapp::UIInterface> ui_interface_;
 330         etl::handle<synfigapp::SelectionManager> selection_manager_;
 331
 332         bool is_playing_;
 333
 334         sigc::signal<void> signal_deleted_;
 335
 336         bool rebuild_ducks_queued;
 337         sigc::connection queue_rebuild_ducks_connection;
 338
 339         /*
 340  -- ** -- P U B L I C   D A T A -----------------------------------------------
 341         */
 342
 343 public:
 344         void queue_rebuild_ducks();
 345         sigc::signal<void>& signal_deleted() { return signal_deleted_; }
 346
 347         Gtk::Menu mainmenu;
 348
 349         bool duck_refresh_flag;
 350         bool duck_refresh_needed;
 351
 352         //! This is for the IsWorking class.
 353         int working_depth;
 354
 355         bool cancel;
 356
 357         /*
 358  -- ** -- D I A L O G S -------------------------------------------------------
 359         */
 360
 361 public:
 362
 363         CanvasProperties canvas_properties;
 364         CanvasOptions canvas_options;
 365         RenderSettings render_settings;
 366         Dialog_Waypoint waypoint_dialog;
 367         Dialog_Keyframe keyframe_dialog;
 368
 369         std::auto_ptr<Dialog_Preview>                   preview_dialog;
 370         //std::auto_ptr<Dialog_PreviewOptions>  previewoption_dialog;
 371         std::auto_ptr<Dialog_SoundSelect>               sound_dialog;
 372
 373         /*
 374  -- ** -- P R I V A T E   M E T H O D S ---------------------------------------
 375         */
 376
 377 private:
 378
 379         // Constructor is private to force the use of the "create()" constructor
 380         CanvasView(etl::loose_handle<Instance> instance,etl::handle<synfigapp::CanvasInterface> canvas_interface);
 381
 382         //! Constructor Helper
 383         // Gtk::Widget* create_layer_tree();
 384
 385         //! Constructor Helper
 386         // Gtk::Widget* create_children_tree();
 387
 388         //! Constructor Helper
 389         // Gtk::Widget* create_keyframe_tree();
 390
 391         //! Constructor Helper
 392         Gtk::Widget* create_status_bar();
 393
 394         //! Constructor Helper - Initializes all of the menus
 395         void init_menus();
 396
 397         bool duck_change_param(const synfig::Point &value,synfig::Layer::Handle layer, synfig::String param_name);
 398
 399         void refresh_time_window();
 400
 401         void time_was_changed();
 402
 403         void refresh_rend_desc();
 404
 405         void toggle_duck_mask(Duckmatic::Type type);
 406
 407         Gtk::Widget *create_work_area();
 408
 409         Gtk::Widget *create_time_bar();
 410
 411         //! Pop up menu for the bezier (bline, draw) tool (?)
 412         void popup_param_menu_bezier(float location, synfigapp::ValueDesc value_desc)
 413         { popup_param_menu(value_desc,location,true); }
 414
 415         //! Pop up menu for the tools but not the bezier ones.
 416         void popup_param_menu(synfigapp::ValueDesc value_desc, float location=0, bool bezier=false);
 417
 418         void workarea_layer_selected(synfig::Layer::Handle layer);
 419
 420         void selected_layer_color_set(synfig::Color color);
 421
 422         void register_layer_type(synfig::Layer::Book::value_type &lyr,std::map<synfig::String,Gtk::Menu*>*);
 423
 424         //! Rebuilds the "new layer" menu
 425         void build_new_layer_menu(Gtk::Menu &menu);
 426
 427         void rebuild_ducks_layer_(synfig::TransformStack& transform_stack, synfig::Canvas::Handle canvas, std::set<synfig::Layer::Handle>& selected_list);
 428
 429         void decrease_low_res_pixel_size();
 430         void increase_low_res_pixel_size();
 431
 432         /*
 433  -- ** -- P U B L I C   M E T H O D S -----------------------------------------
 434         */
 435
 436 public:
 437         const synfig::TransformStack& get_curr_transform_stack()const { return curr_transform_stack; }
 438
 439         const synfig::Rect& get_bbox()const { return bbox; }
 440
 441         Glib::RefPtr<Glib::ObjectBase> get_ref_obj(const synfig::String& x);
 442         Glib::RefPtr<const Glib::ObjectBase> get_ref_obj(const synfig::String& x)const;
 443         void set_ref_obj(const synfig::String& x, Glib::RefPtr<Glib::ObjectBase> y);
 444
 445         Glib::RefPtr<Gtk::TreeModel> get_tree_model(const synfig::String& x);
 446         Glib::RefPtr<const Gtk::TreeModel> get_tree_model(const synfig::String& x)const;
 447         void set_tree_model(const synfig::String& x, Glib::RefPtr<Gtk::TreeModel> y);
 448
 449         Gtk::Widget* get_ext_widget(const synfig::String& x);
 450         void set_ext_widget(const synfig::String& x, Gtk::Widget* y);
 451
 452         //std::map<synfig::String,Gtk::Widget*>& tree_view_book() { return tree_view_book_; }
 453         //std::map<synfig::String,Gtk::Widget*>& ext_widget_book() { return tree_view_book_; }
 454
 455         void popup_main_menu();
 456
 457         Smach& get_smach() { return smach_; }
 458
 459         const Smach& get_smach()const { return smach_; }
 460
 461         Smach::event_result process_event_key(EventKey x);
 462
 463         void popup_layer_menu(synfig::Layer::Handle layer);
 464
 465         virtual ~CanvasView();
 466
 467         void set_mode(Mode x) { canvas_interface()->set_mode(x); }
 468
 469         Mode get_mode()const { return canvas_interface()->get_mode(); }
 470
 471         Gtk::Adjustment &time_adjustment() { return time_adjustment_; }
 472
 473         const Gtk::Adjustment &time_adjustment()const { return time_adjustment_; }
 474
 475         studio::Adjust_Window &time_window_adjustment() { return time_window_adjustment_; }
 476
 477         const studio::Adjust_Window &time_window_adjustment()const { return time_window_adjustment_; }
 478
 479         etl::handle<synfigapp::UIInterface> get_ui_interface() { return ui_interface_;}
 480
 481         etl::handle<synfigapp::SelectionManager> get_selection_manager() { return selection_manager_; }
 482
 483         Glib::RefPtr<Gtk::TreeModel> layer_tree_store() { return get_tree_model("layers"); }
 484
 485         Glib::RefPtr<const Gtk::TreeModel> layer_tree_store()const { return get_tree_model("layers"); }
 486
 487         Glib::RefPtr<Gtk::TreeModel> children_tree_store() { return get_tree_model("children"); }
 488
 489         Glib::RefPtr<const Gtk::TreeModel> children_tree_store()const { return get_tree_model("children"); }
 490
 491         Glib::RefPtr<Gtk::TreeModel> keyframe_tree_store() { return get_tree_model("keyframes"); }
 492
 493         Glib::RefPtr<const Gtk::TreeModel> keyframe_tree_store()const { return get_tree_model("keyframes"); }
 494
 495         void set_time(synfig::Time t) { canvas_interface_->set_time(t); }
 496
 497         synfig::Time get_time() { return canvas_interface_->get_time(); }
 498
 499         etl::handle<synfig::Canvas> get_canvas()const { return canvas_interface_->get_canvas(); }
 500
 501         etl::handle<Instance> get_instance()const { return instance_; }
 502
 503         etl::handle<synfigapp::CanvasInterface> canvas_interface() { return canvas_interface_; }
 504
 505         etl::handle<const synfigapp::CanvasInterface> canvas_interface()const { return canvas_interface_; }
 506
 507         void add_actions_to_menu(Gtk::Menu *menu,   const synfigapp::Action::ParamList &param_list, synfigapp::Action::Category category=synfigapp::Action::CATEGORY_ALL)const;
 508
 509         //! Updates the title of the window
 510         void update_title();
 511
 512         //! Closes this document
 513         bool close_instance();
 514
 515         //! Closes this canvas view
 516         bool close_view();
 517
 518         //!     Stops the currently executing action
 519         /*! \see get_cancel_status(), reset_cancel_status(), IsWorking */
 520         void stop() { cancel=true; }
 521
 522         //! Returns the cancel status
 523         /*! \see stop(), reset_cancel_status(), IsWorking */
 524         bool get_cancel_status()const { return cancel; }
 525
 526         //! Resets the cancel status
 527         /*! \see stop(), get_cancel_status(), IsWorking */
 528         void reset_cancel_status() { cancel=false; }
 529
 530         void new_child_canvas();
 531
 532         //! Rebuilds layer_tree_store_ from the Canvas. Maintains selected items.
 533         void rebuild_tables();
 534
 535         //! Builds layer_tree_store_ from the Canvas. Does not maintain selected items.
 536         void build_tables();
 537
 538         //! Refreshes the data for the tables
 539         void refresh_tables();
 540
 541         //void rebuild_layer_table();
 542         //void build_layer_table();
 543         //void refresh_layer_table();
 544
 545 //      void rebuild_canvas_table();
 546 //      void build_canvas_table();
 547 //      void refresh_canvas_table();
 548
 549 //      void rebuild_valuenode_table();
 550 //      void build_valuenode_table();
 551 //      void refresh_valuenode_table();
 552
 553         //! \writeme
 554         void rebuild_ducks();
 555
 556         //bool add_to_ducks(synfigapp::ValueDesc value_desc, synfig::ParamDesc *param_desc=NULL);
 557
 558         //! Starts "playing" the animation in real-time
 559         void play();
 560
 561         //! Shows the tables (Layer/Children)
 562         void show_tables();
 563
 564         //! Hides the tables (Layer/Children)
 565         void hide_tables();
 566
 567         //! Toggles the tables
 568         void toggle_tables();
 569
 570         //! Gets the table status
 571         bool tables_are_visible();
 572
 573         //! Shows the time bar
 574         void show_timebar();
 575
 576         //! Hides the time bar
 577         void hide_timebar();
 578
 579         //t Enables or disables interaction with the timebar
 580         void set_sensitive_timebar(bool sensitive);
 581
 582         void time_zoom_in();
 583         void time_zoom_out();
 584
 585         void add_layer(synfig::String x);
 586
 587         void show_keyframe_dialog();
 588
 589         void play_audio(float t);
 590         void stop_audio();
 591
 592         void image_import();
 593
 594         void on_waypoint_clicked_canvasview(synfigapp::ValueDesc,std::set<synfig::Waypoint,std::less<synfig::UniqueID> >, int button);
 595
 596         void preview_option() {on_preview_option();}
 597
 598         void present();
 599
 600         bool is_playing() { return is_playing_; }
 601
 602         /*
 603  -- ** -- S I G N A L   T E R M I N A L S -------------------------------------
 604         */
 605
 606 private:
 607
 608         void on_select_layers();
 609         void on_unselect_layers();
 610
 611         void on_input_device_changed(GdkDevice*);
 612
 613         virtual void on_hide();
 614
 615         virtual bool on_focus_in_event(GdkEventFocus*);
 616         virtual bool on_focus_out_event(GdkEventFocus*);
 617
 618         //bool on_children_tree_event(GdkEvent *event);
 619
 620         bool on_keyframe_tree_event(GdkEvent *event);
 621
 622         //void on_children_edited_value(const Glib::ustring&path_string,synfig::ValueBase value);
 623
 624         void on_dirty_preview();
 625
 626         bool on_children_user_click(int, Gtk::TreeRow, ChildrenTree::ColumnID);
 627
 628         bool on_layer_user_click(int, Gtk::TreeRow, LayerTree::ColumnID);
 629
 630 //      void on_layer_toggle(const Glib::ustring& path_string, Gtk::TreeModelColumn<bool> column);
 631
 632         void on_mode_changed(synfigapp::CanvasInterface::Mode mode);
 633
 634 //      void on_layer_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 635
 636         //void on_children_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 637
 638         void on_waypoint_changed();
 639
 640         void on_waypoint_delete();
 641
 642         void on_refresh_pressed();
 643
 644         void on_id_changed();
 645
 646         void on_time_changed();
 647
 648         /*
 649         void on_layer_raise_pressed();
 650         void on_layer_lower_pressed();
 651         void on_layer_duplicate_pressed();
 652         void on_layer_delete_pressed();
 653         */
 654
 655         void on_keyframe_add_pressed();
 656
 657         void on_keyframe_duplicate_pressed();
 658
 659         void on_keyframe_remove_pressed();
 660
 661         void on_animate_button_pressed();
 662
 663         void on_keyframe_button_pressed();
 664
 665         void on_preview_option();
 666         void on_preview_create(const PreviewInfo &);
 667
 668         void on_audio_option();
 669         void on_audio_file_change(const std::string &f);
 670         void on_audio_offset_change(const synfig::Time &t);
 671
 672         void on_audio_file_notify();
 673         void on_audio_offset_notify();
 674
 675         bool on_duck_changed(const synfig::Point &value,const synfigapp::ValueDesc& value_desc);
 676         bool on_duck_angle_changed(const synfig::Angle &rotation,const synfigapp::ValueDesc& value_desc);
 677
 678         void on_layer_toggle(synfig::Layer::Handle);
 679
 680         void on_edited_value(synfigapp::ValueDesc,synfig::ValueBase);
 681
 682         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);
 683
 684         //void on_audio_play();
 685         bool on_audio_scrub();
 686
 687         void on_play_stop_pressed();
 688
 689 protected:
 690         bool close_instance_when_safe();
 691         bool on_delete_event(GdkEventAny* event);
 692
 693         /*
 694  -- ** -- S T A T I C   P U B L I C   M E T H O D S ---------------------------
 695         */
 696
 697 public:
 698
 699         static etl::handle<studio::CanvasView> create(etl::loose_handle<Instance> instance,etl::handle<synfig::Canvas> canvas);
 700         static std::list<int>& get_pixel_sizes();
 701
 702 }; // END of class CanvasView
 703
 704 }; // END of namespace studio
 705
 706 /* === E N D =============================================================== */
 707
 708 #endif