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 #include "resolutiondial.h"
  71
  72 #include "duckmatic.h"
  73 #include <gtkmm/scale.h>
  74
  75 #include <gtkmm/uimanager.h>
  76
  77 #include "smach.h"
  78
  79 #include <memory>
  80 #include <set>
  81 #include <map>
  82 #include <gtkmm/toggleaction.h>
  83 #include <gtkmm/radioaction.h>
  84 #include <synfig/rect.h>
  85
  86 #include "adjust_window.h"
  87
  88 #include <synfig/transform.h>
  89
  90 /* === M A C R O S ========================================================= */
  91
  92 #ifndef DEBUGPOINT_CLASS
  93 #if     _DEBUG
  94 #define DEBUGPOINT_CLASS(x)             struct debugpointclass_ ## x { debugpointclass_ ## x () { DEBUGPOINT(); } ~debugpointclass_ ## x () { DEBUGPOINT(); } } badfthguae_ ## x ;
  95 #else
  96 #define DEBUGPOINT_CLASS(x)
  97 #endif
  98 #endif
  99
 100 /* === T Y P E D E F S ===================================================== */
 101
 102 /* === C L A S S E S & S T R U C T S ======================================= */
 103
 104 namespace synfig {
 105         class TransformStack;
 106 }
 107
 108 namespace studio {
 109
 110 class CanvasViewUIInterface;
 111 class CanvasViewSelectionManager;
 112
 113 class CellRenderer_TimeTrack;
 114 class CellRenderer_ValueBase;
 115 class UniversalScrubber;
 116 class WorkArea;
 117
 118 class Duckmatic;
 119
 120 class Preview;
 121 struct PreviewInfo;
 122 class AudioContainer;
 123
 124 class Widget_Sound;
 125 class Widget_Timeslider;
 126 class Widget_Time;
 127
 128 class Dialog_SoundSelect;
 129 class Dialog_Preview;
 130
 131 class Dock_Layers;
 132 class Dock_Children;
 133 class Dock_Keyframes;
 134
 135 class CanvasView : public Gtk::Window, public etl::shared_object
 136 {
 137         friend class UniversalScrubber;
 138         friend class Dock_Layers;
 139         friend class Dock_Children;
 140         friend class Dock_Keyframes;
 141
 142         friend class CanvasViewUIInterface;
 143         friend class CanvasViewSelectionManager;
 144
 145         friend class Duckmatic;
 146
 147         /*
 148  -- ** -- P U B L I C   T Y P E S ---------------------------------------------
 149         */
 150
 151 public:
 152
 153         typedef etl::handle<CanvasView> Handle;
 154
 155         typedef etl::handle<const CanvasView> ConstHandle;
 156
 157         typedef etl::loose_handle<CanvasView> LooseHandle;
 158
 159         typedef LayerTreeStore::Model LayerTreeModel;
 160
 161         typedef ChildrenTreeStore::Model ChildrenTreeModel;
 162
 163         //! Create an instance of this class whenever doing a longer task.
 164         /*! Make sure that you check the bool value of this class occasionally
 165         **      to make sure the action has not been canceled. */
 166         class IsWorking
 167         {
 168                 CanvasView &canvas_view_;
 169
 170         public:
 171                 IsWorking(CanvasView &canvas_view_);
 172                 ~IsWorking();
 173                 operator bool()const;
 174         };
 175         friend class IsWorking;
 176
 177         typedef synfigapp::CanvasInterface::Mode Mode;
 178
 179         void set_grid_snap_toggle(bool flag) { grid_snap_toggle->set_active(flag); }
 180         void set_grid_show_toggle(bool flag) { grid_show_toggle->set_active(flag); }
 181
 182         /*
 183  -- ** -- P R I V A T E   D A T A ---------------------------------------------
 184         */
 185
 186 public:
 187         std::auto_ptr<WorkArea> work_area;
 188
 189         WorkArea* get_work_area() { return work_area.get(); }
 190 private:
 191
 192         synfig::TransformStack curr_transform_stack;
 193         bool curr_transform_stack_set;
 194
 195         synfig::Rect bbox;
 196
 197         // DEBUGPOINT_CLASS(1);
 198
 199         //! State Machine
 200         Smach smach_;
 201
 202         // DEBUGPOINT_CLASS(2);
 203
 204         etl::loose_handle<Instance> instance_;
 205         etl::handle<synfigapp::CanvasInterface> canvas_interface_;
 206
 207         // DEBUGPOINT_CLASS(3);
 208
 209         //! Sound and information to play it
 210         etl::handle<AudioContainer>             audio;
 211         studio::Widget_Sound                    *disp_audio; //should this be put into thing too?
 212
 213         sigc::connection                                playcon;
 214         sigc::connection                                stopcon;
 215
 216         std::auto_ptr<UniversalScrubber> universal_scrubber;
 217
 218         //! Tooltip controller
 219         Gtk::Tooltips tooltips;
 220
 221         // DEBUGPOINT_CLASS(4);
 222
 223         //! TreeModel for the layers
 224         LayerTreeModel layer_tree_model;
 225
 226         //! TreeModel for the the children
 227         ChildrenTreeModel children_tree_model;
 228
 229         //Glib::RefPtr<LayerTreeStore> layer_tree_store_;
 230
 231         //Glib::RefPtr<ChildrenTreeStore> children_tree_store_;
 232
 233         //Glib::RefPtr<KeyframeTreeStore> keyframe_tree_store_;
 234
 235         // DEBUGPOINT_CLASS(5);
 236
 237         //std::map<synfig::String,Glib::RefPtr<Gtk::TreeModel> > tree_model_book_;
 238         std::map<synfig::String,Glib::RefPtr<Glib::ObjectBase> > ref_obj_book_;
 239         std::map<synfig::String,Gtk::Widget*> ext_widget_book_;
 240
 241         //! The time adjustment's scope is defined by the time_window adjustment
 242         Gtk::Adjustment time_adjustment_;
 243
 244         //! The time_window adjustment governs the position of the time window on the whole time line
 245         //Gtk::Adjustment time_window_adjustment_;
 246         studio::Adjust_Window time_window_adjustment_;
 247
 248         LayerTree *layer_tree;
 249
 250         ChildrenTree *children_tree;
 251
 252         KeyframeTree *keyframe_tree;
 253
 254         Gtk::Widget *keyframe_tab_child;
 255
 256         Gtk::ProgressBar *progressbar;
 257         Gtk::Statusbar *statusbar;
 258
 259         Gtk::TreeRow children_canvas_row;
 260         Gtk::TreeRow children_valuenode_row;
 261
 262         Gtk::Button *stopbutton;
 263         Gtk::Button *refreshbutton;
 264         Gtk::Button *treetogglebutton;  // not used
 265         Gtk::Notebook *notebook; // not used
 266         Gtk::Table *timebar;
 267         Gtk::Table *displaybar;
 268         Gtk::Button *animatebutton;
 269         Gtk::Button *keyframebutton;
 270         FrameDial *framedial;
 271         ToggleDucksDial *toggleducksdial;
 272         bool toggling_ducks_;
 273         ResolutionDial *resolutiondial;
 274         bool changing_resolution_;
 275
 276
 277         //! Shows current time and allows edition
 278         Widget_Time *current_time_widget;
 279         void on_current_time_widget_changed();
 280
 281         //! Time slider class. Same than the Time track panel
 282         std::auto_ptr<Widget_Timeslider> timeslider;
 283
 284         std::list<sigc::connection> duck_changed_connections;
 285
 286 /*      DEBUGPOINT_CLASS(8);
 287
 288         Gtk::Menu duckmaskmenu;
 289         DEBUGPOINT_CLASS(77);
 290         Gtk::Menu qualitymenu;
 291         DEBUGPOINT_CLASS(6);
 292
 293         Gtk::Menu filemenu;
 294         DEBUGPOINT_CLASS(777);
 295         Gtk::Menu editmenu;
 296         DEBUGPOINT_CLASS(71);
 297         Gtk::Menu canvasmenu;
 298         DEBUGPOINT_CLASS(73);
 299 public:
 300         Gtk::Menu layermenu;
 301 private:
 302         DEBUGPOINT_CLASS(74);
 303         Gtk::Menu newlayermenu;
 304         DEBUGPOINT_CLASS(76);
 305         Gtk::Menu viewmenu;
 306
 307         DEBUGPOINT_CLASS(99);
 308         Gtk::Menu keyframemenu;
 309
 310         Gtk::Menu parammenu;
 311         DEBUGPOINT_CLASS(9);
 312         Gtk::Menu trackmenu;
 313         DEBUGPOINT_CLASS(7);
 314
 315         Gtk::CheckMenuItem* duck_mask_position;
 316         Gtk::CheckMenuItem* duck_mask_vertex;
 317         Gtk::CheckMenuItem* duck_mask_tangent;
 318         Gtk::CheckMenuItem* duck_mask_radius;
 319         Gtk::CheckMenuItem* duck_mask_width;
 320         Gtk::CheckMenuItem* duck_mask_angle;
 321 */
 322         //! Menu members
 323         Gtk::Menu parammenu;
 324
 325         Glib::RefPtr<Gtk::ToggleAction> grid_snap_toggle;
 326         Glib::RefPtr<Gtk::ToggleAction> grid_show_toggle;
 327
 328         Gtk::RadioButtonGroup quality_group;
 329         Gtk::RadioButtonGroup low_res_pixel_size_group;
 330
 331         Glib::RefPtr<Gtk::ActionGroup> action_group;
 332
 333         etl::handle<synfigapp::UIInterface> ui_interface_;
 334         etl::handle<synfigapp::SelectionManager> selection_manager_;
 335
 336         bool is_playing_;
 337
 338         sigc::signal<void> signal_deleted_;
 339
 340         bool rebuild_ducks_queued;
 341         sigc::connection queue_rebuild_ducks_connection;
 342
 343         /*
 344  -- ** -- P U B L I C   D A T A -----------------------------------------------
 345         */
 346
 347 public:
 348         void queue_rebuild_ducks();
 349         sigc::signal<void>& signal_deleted() { return signal_deleted_; }
 350
 351         Gtk::Menu mainmenu;
 352
 353         bool duck_refresh_flag;
 354         bool duck_refresh_needed;
 355
 356         //! This is for the IsWorking class.
 357         int working_depth;
 358
 359         bool cancel;
 360
 361         /*
 362  -- ** -- D I A L O G S -------------------------------------------------------
 363         */
 364
 365 public:
 366
 367         CanvasProperties canvas_properties;
 368         CanvasOptions canvas_options;
 369         RenderSettings render_settings;
 370         Dialog_Waypoint waypoint_dialog;
 371         Dialog_Keyframe keyframe_dialog;
 372
 373         std::auto_ptr<Dialog_Preview>                   preview_dialog;
 374         //std::auto_ptr<Dialog_PreviewOptions>  previewoption_dialog;
 375         std::auto_ptr<Dialog_SoundSelect>               sound_dialog;
 376
 377         /*
 378  -- ** -- P R I V A T E   M E T H O D S ---------------------------------------
 379         */
 380
 381 private:
 382
 383         // Constructor is private to force the use of the "create()" constructor
 384         CanvasView(etl::loose_handle<Instance> instance,etl::handle<synfigapp::CanvasInterface> canvas_interface);
 385
 386         //! Constructor Helper
 387         // Gtk::Widget* create_layer_tree();
 388
 389         //! Constructor Helper
 390         // Gtk::Widget* create_children_tree();
 391
 392         //! Constructor Helper
 393         // Gtk::Widget* create_keyframe_tree();
 394
 395         //! Constructor Helper
 396         Gtk::Widget* create_status_bar();
 397
 398         //! Constructor Helper - Initializes all of the menus
 399         void init_menus();
 400
 401         bool duck_change_param(const synfig::Point &value,synfig::Layer::Handle layer, synfig::String param_name);
 402
 403         void refresh_time_window();
 404
 405         void time_was_changed();
 406
 407         void refresh_rend_desc();
 408
 409         void toggle_duck_mask(Duckmatic::Type type);
 410
 411         Gtk::Widget *create_work_area();
 412
 413         Gtk::Widget *create_time_bar();
 414
 415         Gtk::Widget *create_display_bar();
 416
 417         //! Pop up menu for the bezier (bline, draw) tool (?)
 418         void popup_param_menu_bezier(float location, synfigapp::ValueDesc value_desc)
 419         { popup_param_menu(value_desc,location,true); }
 420
 421         //! Pop up menu for the tools but not the bezier ones.
 422         void popup_param_menu(synfigapp::ValueDesc value_desc, float location=0, bool bezier=false);
 423
 424         void workarea_layer_selected(synfig::Layer::Handle layer);
 425
 426         void selected_layer_color_set(synfig::Color color);
 427
 428         void register_layer_type(synfig::Layer::Book::value_type &lyr,std::map<synfig::String,Gtk::Menu*>*);
 429
 430         //! Rebuilds the "new layer" menu
 431         void build_new_layer_menu(Gtk::Menu &menu);
 432
 433         void rebuild_ducks_layer_(synfig::TransformStack& transform_stack, synfig::Canvas::Handle canvas, std::set<synfig::Layer::Handle>& selected_list);
 434
 435         void decrease_low_res_pixel_size();
 436         void increase_low_res_pixel_size();
 437         void toggle_low_res_pixel_flag();
 438
 439         /*
 440  -- ** -- P U B L I C   M E T H O D S -----------------------------------------
 441         */
 442
 443 public:
 444         const synfig::TransformStack& get_curr_transform_stack()const { return curr_transform_stack; }
 445
 446         const synfig::Rect& get_bbox()const { return bbox; }
 447
 448         Glib::RefPtr<Glib::ObjectBase> get_ref_obj(const synfig::String& x);
 449         Glib::RefPtr<const Glib::ObjectBase> get_ref_obj(const synfig::String& x)const;
 450         void set_ref_obj(const synfig::String& x, Glib::RefPtr<Glib::ObjectBase> y);
 451
 452         Glib::RefPtr<Gtk::TreeModel> get_tree_model(const synfig::String& x);
 453         Glib::RefPtr<const Gtk::TreeModel> get_tree_model(const synfig::String& x)const;
 454         void set_tree_model(const synfig::String& x, Glib::RefPtr<Gtk::TreeModel> y);
 455
 456         Gtk::Widget* get_ext_widget(const synfig::String& x);
 457         void set_ext_widget(const synfig::String& x, Gtk::Widget* y);
 458
 459         //std::map<synfig::String,Gtk::Widget*>& tree_view_book() { return tree_view_book_; }
 460         //std::map<synfig::String,Gtk::Widget*>& ext_widget_book() { return tree_view_book_; }
 461
 462         void popup_main_menu();
 463
 464         Smach& get_smach() { return smach_; }
 465
 466         const Smach& get_smach()const { return smach_; }
 467
 468         Smach::event_result process_event_key(EventKey x);
 469
 470         void popup_layer_menu(synfig::Layer::Handle layer);
 471
 472         virtual ~CanvasView();
 473
 474         void set_mode(Mode x) { canvas_interface()->set_mode(x); }
 475
 476         Mode get_mode()const { return canvas_interface()->get_mode(); }
 477
 478         Gtk::Adjustment &time_adjustment() { return time_adjustment_; }
 479
 480         const Gtk::Adjustment &time_adjustment()const { return time_adjustment_; }
 481
 482         studio::Adjust_Window &time_window_adjustment() { return time_window_adjustment_; }
 483
 484         const studio::Adjust_Window &time_window_adjustment()const { return time_window_adjustment_; }
 485
 486         etl::handle<synfigapp::UIInterface> get_ui_interface() { return ui_interface_;}
 487
 488         etl::handle<synfigapp::SelectionManager> get_selection_manager() { return selection_manager_; }
 489
 490         Glib::RefPtr<Gtk::TreeModel> layer_tree_store() { return get_tree_model("layers"); }
 491
 492         Glib::RefPtr<const Gtk::TreeModel> layer_tree_store()const { return get_tree_model("layers"); }
 493
 494         Glib::RefPtr<Gtk::TreeModel> children_tree_store() { return get_tree_model("children"); }
 495
 496         Glib::RefPtr<const Gtk::TreeModel> children_tree_store()const { return get_tree_model("children"); }
 497
 498         Glib::RefPtr<Gtk::TreeModel> keyframe_tree_store() { return get_tree_model("keyframes"); }
 499
 500         Glib::RefPtr<const Gtk::TreeModel> keyframe_tree_store()const { return get_tree_model("keyframes"); }
 501
 502         void set_time(synfig::Time t) { canvas_interface_->set_time(t); }
 503
 504         synfig::Time get_time() { return canvas_interface_->get_time(); }
 505
 506         etl::handle<synfig::Canvas> get_canvas()const { return canvas_interface_->get_canvas(); }
 507
 508         etl::handle<Instance> get_instance()const { return instance_; }
 509
 510         etl::handle<synfigapp::CanvasInterface> canvas_interface() { return canvas_interface_; }
 511
 512         etl::handle<const synfigapp::CanvasInterface> canvas_interface()const { return canvas_interface_; }
 513
 514         void add_actions_to_menu(Gtk::Menu *menu,   const synfigapp::Action::ParamList &param_list, synfigapp::Action::Category category=synfigapp::Action::CATEGORY_ALL)const;
 515
 516         //! Updates the title of the window
 517         void update_title();
 518
 519         //! Closes this document
 520         bool close_instance();
 521
 522         //! Closes this canvas view
 523         bool close_view();
 524
 525         //!     Stops the currently executing action
 526         /*! \see get_cancel_status(), reset_cancel_status(), IsWorking */
 527         void stop() { cancel=true; }
 528
 529         //! Returns the cancel status
 530         /*! \see stop(), reset_cancel_status(), IsWorking */
 531         bool get_cancel_status()const { return cancel; }
 532
 533         //! Resets the cancel status
 534         /*! \see stop(), get_cancel_status(), IsWorking */
 535         void reset_cancel_status() { cancel=false; }
 536
 537         void new_child_canvas();
 538
 539         //! Rebuilds layer_tree_store_ from the Canvas. Maintains selected items.
 540         void rebuild_tables();
 541
 542         //! Builds layer_tree_store_ from the Canvas. Does not maintain selected items.
 543         void build_tables();
 544
 545         //! Refreshes the data for the tables
 546         void refresh_tables();
 547
 548         //void rebuild_layer_table();
 549         //void build_layer_table();
 550         //void refresh_layer_table();
 551
 552 //      void rebuild_canvas_table();
 553 //      void build_canvas_table();
 554 //      void refresh_canvas_table();
 555
 556 //      void rebuild_valuenode_table();
 557 //      void build_valuenode_table();
 558 //      void refresh_valuenode_table();
 559
 560         //! \writeme
 561         void rebuild_ducks();
 562
 563         //bool add_to_ducks(synfigapp::ValueDesc value_desc, synfig::ParamDesc *param_desc=NULL);
 564
 565         //! Starts "playing" the animation in real-time
 566         void play();
 567
 568         //! Shows the tables (Layer/Children)
 569         void show_tables();
 570
 571         //! Hides the tables (Layer/Children)
 572         void hide_tables();
 573
 574         //! Toggles the tables
 575         void toggle_tables();
 576
 577         //! Gets the table status
 578         bool tables_are_visible();
 579
 580         //! Shows the time bar
 581         void show_timebar();
 582
 583         //! Hides the time bar
 584         void hide_timebar();
 585
 586         //t Enables or disables interaction with the timebar
 587         void set_sensitive_timebar(bool sensitive);
 588
 589         void time_zoom_in();
 590         void time_zoom_out();
 591
 592         void add_layer(synfig::String x);
 593
 594         void show_keyframe_dialog();
 595
 596         void play_audio(float t);
 597         void stop_audio();
 598
 599         void image_import();
 600
 601         void on_waypoint_clicked_canvasview(synfigapp::ValueDesc,std::set<synfig::Waypoint,std::less<synfig::UniqueID> >, int button);
 602
 603         void preview_option() {on_preview_option();}
 604
 605         void present();
 606
 607         bool is_playing() { return is_playing_; }
 608
 609         /*
 610  -- ** -- S I G N A L   T E R M I N A L S -------------------------------------
 611         */
 612
 613 private:
 614
 615         void on_select_layers();
 616         void on_unselect_layers();
 617
 618         void on_input_device_changed(GdkDevice*);
 619
 620         virtual void on_hide();
 621
 622         virtual bool on_focus_in_event(GdkEventFocus*);
 623         virtual bool on_focus_out_event(GdkEventFocus*);
 624
 625         //bool on_children_tree_event(GdkEvent *event);
 626
 627         bool on_keyframe_tree_event(GdkEvent *event);
 628
 629         //void on_children_edited_value(const Glib::ustring&path_string,synfig::ValueBase value);
 630
 631         void on_dirty_preview();
 632
 633         bool on_children_user_click(int, Gtk::TreeRow, ChildrenTree::ColumnID);
 634
 635         bool on_layer_user_click(int, Gtk::TreeRow, LayerTree::ColumnID);
 636
 637 //      void on_layer_toggle(const Glib::ustring& path_string, Gtk::TreeModelColumn<bool> column);
 638
 639         void on_mode_changed(synfigapp::CanvasInterface::Mode mode);
 640
 641 //      void on_layer_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 642
 643         //void on_children_waypoint_clicked(const Glib::ustring &, synfig::ValueNode_Animated::WaypointList::iterator);
 644
 645         void on_waypoint_changed();
 646
 647         void on_waypoint_delete();
 648
 649         void on_refresh_pressed();
 650
 651         void on_id_changed();
 652
 653         void on_time_changed();
 654
 655         /*
 656         void on_layer_raise_pressed();
 657         void on_layer_lower_pressed();
 658         void on_layer_duplicate_pressed();
 659         void on_layer_delete_pressed();
 660         */
 661
 662         void on_keyframe_add_pressed();
 663
 664         void on_keyframe_duplicate_pressed();
 665
 666         void on_keyframe_remove_pressed();
 667
 668         void on_animate_button_pressed();
 669
 670         void on_keyframe_button_pressed();
 671
 672         void on_preview_option();
 673         void on_preview_create(const PreviewInfo &);
 674
 675         void on_audio_option();
 676         void on_audio_file_change(const std::string &f);
 677         void on_audio_offset_change(const synfig::Time &t);
 678
 679         void on_audio_file_notify();
 680         void on_audio_offset_notify();
 681
 682         bool on_duck_changed(const synfig::Point &value,const synfigapp::ValueDesc& value_desc);
 683         bool on_duck_angle_changed(const synfig::Angle &rotation,const synfigapp::ValueDesc& value_desc);
 684
 685         void on_layer_toggle(synfig::Layer::Handle);
 686
 687         void on_edited_value(synfigapp::ValueDesc,synfig::ValueBase);
 688
 689         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);
 690
 691         //void on_audio_play();
 692         bool on_audio_scrub();
 693
 694         void on_play_stop_pressed();
 695
 696 protected:
 697         bool close_instance_when_safe();
 698         bool on_delete_event(GdkEventAny* event);
 699
 700         /*
 701  -- ** -- S T A T I C   P U B L I C   M E T H O D S ---------------------------
 702         */
 703
 704 public:
 705
 706         static etl::handle<studio::CanvasView> create(etl::loose_handle<Instance> instance,etl::handle<synfig::Canvas> canvas);
 707         static std::list<int>& get_pixel_sizes();
 708
 709 }; // END of class CanvasView
 710
 711 }; // END of namespace studio
 712
 713 /* === E N D =============================================================== */
 714
 715 #endif